Method and device to provide communication between pipe assembly ends

FIELD: earth and rock drilling, particularly means for transmitting measuring-signals from the well to the surface.

SUBSTANCE: method involves spooling communication element on a reel; connecting the first end of the communication element to the first user at the first end of the pipe assembly; moving the communication element inside the pipe and connecting the second end of communication element to the second user arranged at the second end of the pipe assembly. The communication element is moved in several stages simultaneously with pipe assembly enlarging or disassembling by displacing the reel inside a pipe under force applied to the reel from the second pipe end and with simultaneous winding or unwinding of the communication element for length equal to reel displacement distance without communication breakage. Continuous communication is provided by linking of the second end of communication element to the second user through traction member during reel displacement or through parallel channel to be temporarily linked up during traction member movement without the reel, which is fastened to pipe assembly at the second end thereof. During pipe assembly enlargement communication element having length exceeding pipe assembly length is provided. The communication element is spooled on the reel. Traction member is inserted in the pipe to be connected and the reel is moved from the first pipe end to the second end thereof. During pipe assembly disassembling the reel is pushed in reverse direction. Device for above method realization includes lifting mechanism and reel. The reel comprises body in which frame with communication element wound on the frame is installed so that the first end of the communication element is provided with means to connect thereof to the first pipe assembly and the first connector to link thereof to the first user. The second end of the communication element is fastened to the reel frame and has the second connector to link thereof with the second user. The device is provided with traction member having length exceeding length of each separate pipe and having members to connect thereof with lifting mechanism from one side and with the reel from another traction member side. The device also has additional branch of communication member to connect the second reel connector to the second user through lifting mechanism. The reel has sealed body and fastening members to secure the reel to the pipe. Outer transversal dimension of the reel body does not exceed inner diameters of pipes included in the assembly. The lifting mechanism has control unit connected with reel body by above communication element branch through traction member.

EFFECT: provision of continuous communication between well head and well bottom during drilling string assembling or disassembling.

17 cl, 2 dwg

 

The invention relates to methods and means of communication and can be used while working on boreholes for transmitting signals measurement on the surface. The invention may also find application for laying communication lines inside as well as outside, in the case of pipe connections for installations inside their lines.

It is known [1]that geophysical investigations in the drilling process requires as part of the rig communication channel with means for measuring geophysical parameters. For this purpose, hydraulic, acoustic, including sonar, conductive (wireless) and wired communication channels. Perhaps the use of combined communication channels.

According to [1] wired communication systems have a significant advantage over the others in the bandwidth and noise immunity.

There are several possible ways of organizing wired communication channels.

1. Thus, in each drill pipe or a candle is embedded piece of wire or cable in the center or on the wall of the pipe. Screwing the pipe segments wires are automatically connected using a special contact devices. Wires to the contact devices are embedded in the tube pre and during tripping operations no additional work and particularly the time on the organization channel is not required. The disadvantages of such a communication channel: a large number of contact connections, reducing the reliability of the communication channel and the increase in the cost of drilling equipment. The method and devices based on it are equivalent.

2. Wire length exceeding the length of one pipe that descends in the column after down the whole column or a part of it. This wire when the shutter is automatically connected to its lower end to the depth of the projectile. The descent of the wires and the connection of its upper end with terrestrial reception equipment is carried out in various ways. The disadvantage of this method and devices based on it is bound to be a rise wires when building a new pipe, the unreliability of communication in place to automatically connect to a deeper shell. Difficulties arise when the cable running into the well with a large curvature. The specified methods and devices based on it are also for the similar.

A known method of forming a wired connection to the telecontrol of downhole parameters during the drilling process [2], accept for the next prototype. Known of this author's certificate method of forming a wired connection includes a descent into the well of reserve electrical power supply and the measuring unit simultaneously with the drilling tool and the delivery of the upper end of the wire line at the wellhead by it is lifting up the drill pipe due to the impact of the upward flow of drilling fluid, injected into the drilling area. Proposed by the authors has the following disadvantages:

1. The method is not applicable to horizontal wells.

2. The upper plots wired connection when lifting to the mouth of the well subject to the mechanical stress from both the upstream and the friction of the wall of the pipe, which may lead to connection failure.

3. There is no connection in the Assembly process pipes.

The aim of the invention is to provide a method of communication between the ends of an Assembly of pipes and devices based on it due to:

to create a line of communication for various types of wells, to improve the reliability of communication

to eliminate the need to break the link when building a new pipe

to improve noise immunity and shirokopolosnost line

to use the proposed method and means for the communication, carried out within the water, gas or other structures of the pipes.

This goal is achieved by the fact that to create a connection between the ends of the Assembly of tubes at their capacity and rassledovanie, including the winding coil of the coupling element, attaching the first end of the coupling element to the first user at the first end of the Assembly of the pipe, movement of the coupling element inside the tube and attaching the second end of the coupling element to the second user is located is connected at the second end of the Assembly of the pipes, the movement of the coupling element is produced in stages, simultaneously with increasing or ressidential tube Assembly, by moving inside the pipe coil thrust with the force applied to the coil from the second end of the pipe, while otmuchivanie or winding element due to the amount of movement of the coil and without interruption by connecting the second end of the coupling element to the second user through a traction element when moving coil or through the parallel channel, the plug while moving thrust without coil with the gradual consolidation of the coil in the Assembly of the tube at its second end, whereby when the extension tube Assembly carry out the procurement of the coupling element with a length exceeding the length of the tube Assembly, and wind it on the spool, wind the rod inside the connected pipe and move the coil from the first tube end to the second end, and during disassembly carry out ejection of the coil in the opposite direction.

More details when creating a connection between the ends of the Assembly of the tubes at their extensions perform the following steps:

1. Prepare the item required length.

2. Wound preparation of coupling element on the coil.

3. Attach the first end of the coupling element to the first output coil, and through him to the connecting element of the first user and the second end elem the NTA due to the second output coil. Move cravings with a plot of coupling element that is connected with it through the first pipe from its second end to the first to exit draught from the chimney.

4. Connect the rod with the reel and is connected through a plot of coupling element connected to the shaft of the second user to the second output coil.

5. Fix the coupling element of the first user with the first end of the first pipe.

6. Connect the first end of the pipe with the consumer.

7. Move the rod from the coil through the first pipe to the exit end fastened to the thrust from the second end of the pipe with the simultaneous unwinding of the element due to the length of the moving coil.

8. Fix the end of the coil mount to pull on the second end of the first pipe.

9. Attach the second user to the coil through the parallel channel.

10. Disconnect the rod from the coil and the area of the connection element connected with a thrust, from the second user.

11. Move the rod through the second pipe to the exit end mount for the coil from the second end of the second pipe.

12. Attach the rod to the coil and connect the second user communications to the second output coil through the plot of coupling element connected with a thrust.

13. Disconnect from the first pipe spool mount for rod and disconnect from the coil parallel communication channel.

14. Connect the other end of the first pipe first the m end of the second pipe.

15. Move the rod from the coil through the second pipe to the exit end fastened to the thrust from the second end of the second pipe with the simultaneous unwinding of the element due to the length of the moving coil.

16. Repeat steps 3-15 (N-2) times, where N is the number of connected pipes.

To achieve this goal in the way of creating a connection between the ends of the Assembly of the tubes at their rassledovanie perform the following steps:

1. Disconnect the coil from the second end of the N-th pipe.

2. Move the coil through the N-th pipe from its second end to the first end of the N-1 pipes including simultaneous winding of the flexible connection on the coil and the purification of the outer shell from dirt and moisture, pushing out a coil of pipe thrust.

3. Rassadina N-th and N-1-th pipe.

4. Raise the N-th pipe so as to free access to the connection rod with reel.

5. Disconnect the rod from the coil.

6. Attach the parallel communication channel located outside the N-th pipe to the coil mounted on the second end of the N-1-th pipe.

7. Disconnect the second output coil from the site of coupling element connected to the thrust.

8. Divert away from the longitudinal axis of the N-1 first tube first end of the N-th pipe with a thrust and a plot of coupling element connected to the shaft inside the pipe.

9. Lower inclined nth-pipe so that you fully release the rod from the area of the coupling element.

10. Store the N-th pipe.

11. Attach the rod to the reel.

12. Connect the second user communications to the second output coil through the plot of coupling element connected with a thrust.

13. Disconnect the parallel communication channel.

14. Repeat the steps for items 1-13 N-2 times.

In dependent clauses ways:

1. Otmuchivanie or winding of the coupling element is produced with the rotation of the coupling element around the axis of the coil.

2. The winding of coupling element on the coil when rassledovanie pipes make when moving coil in the pipe.

3. During otmuchivanie element connection on it at intervals that are multiples of the length of the pipe, set the floats, and when rassledovanie pipes take them off.

4. When moving coil connection element is fixed on the inner wall of each pipe with the possibility of sliding of the coupling element relative to the fastening element.

5. When the capacity of the pipes checks the connection by determining the absence of mechanical or electrical, or optical connection.

The coil consists of a rigid frame, having a place to install the roller bearing elements and attach it to the coil body. When implementing the method, in which otmuchivanie or winding of the coupling element is produced with the rotation of the coupling element around the axis of the coil, the latter can be made similar what about the spinning reel, equipped with fastening elements to the body. Connection coil is fixed on the cut pipe with the help of levers and springs. When moving coil inside the tube spring is decompressed and the arms do not extend beyond the inner diameter of the pipe. When the output of the second end of the coil of pipe levers presses springs. They extend beyond the outer diameter of the pipe and the coil hangs on the cut pipe. When attaching each of the next pipe after joining to pull the coil, the levers manually or automatically return to its original position and open it again in the spring. Connection element is thrust with the lifting mechanism is a releasable connection such as a threaded or type "loop-hook". Similarly connect the rod with the reel.

On the basis of the method described above the formation of ties between the ends of the Assembly of the pipes when they are growing and rassledovanie with regard to the dependent claims of the proposed device for the formation of ties between the ends of an Assembly of pipes, comprising a lifting mechanism, a coil consisting of a body, which is installed inside the frame with a wound on him by the coupling element so that the first end of the coupling element has a means of attachment to the first end of the tube Assembly and the first connector to the first user and the second end of the coupling element attached to the coil and has a second connector for connecting to veramoorevera, characterized in that the device is provided with a thrust having a length that exceeds the length of each pipe, and which has elements of connection with the lifting mechanism and the coil on the other hand, an additional cut of coupling element for connecting the second coil connector with the second user via the lifting mechanism, and the coil is equipped with a sealed enclosure and mounting elements, allowing you to secure it to the pipe, while the outer transverse dimension of the housing of the coil does not exceed the internal diameter of the pipes included in the Assembly, and a lifting mechanism includes a control unit, connected to said additional cut of coupling element through the rod with case the coils. In dependent clauses the proposed device, in which:

1. The frame is further provided with reversing means for the winding-unwinding element of communication and a mechanism for blocking inadvertent unwinding, and the tool coiling-uncoiling includes two roller placed on the frame for rotation around the axis perpendicular to the direction of unwinding or winding of the coupling element, the element rotating one of the rollers connected to the platen, the means of the winding is the winding connected to the control unit.

2. The tool coiling-uncoiling includes at least one pair of rollers, placed the and the frame for rotation around the axis, perpendicular to the direction of unwinding or winding of the coupling element and the axis of the pairs of rollers are arranged relative to each other in a plane perpendicular to the direction of unwinding, with the rollers spaced along the length of the frame.

3. The device is equipped with a cleanup tool element from moisture and impurities present on the outer surface of the coupling element.

4. The tool coiling-uncoiling includes a roller, the axis of rotation which is parallel to the direction of unwinding or winding of the coil, and a mechanism for blocking inadvertent unwinding of the coupling element.

5. The tool coiling-uncoiling includes a tool stowage of coupling element when it is wound.

6. As an element of communication, use the cable together with an electric cable with connectors on both ends or in conjunction with fiber-optic cable with optical connectors at the ends.

7. The input of the second consumer threaded connection to him two cables, one of which is connected with a thrust.

8. Along the coupling element is additionally fitted with removable floats.

9. The device is further provided with a plot of the protected line, bypass valves and gate valves piping, pipe end in connection with its valve or plug has sealed the output coupling element.

10. It is proposed to use you described the e devices for the fibre-optical communication through the elements of pipelines, water supply, Sewerage, pipelines and other devices containing pipe connections. This introduced additional area protected fiber line, bypass valves and gate valves piping and pipe end in connection with its valve or flap is sealed output optical fibers.

The proposed device is presented in figure 1 and 2, where indicated:

1 - lifting mechanism of thrust, with a plot element from the coil to the second user,

2 - the second pipe end,

3 - the first fastening element coil at the second end of the pipe,

4 - the first platen coil,

5 - coil,

6 - second cushion coil,

7 - shielding coils,

8 - element communication

9 - exit the first end of the coupling element,

10 is a connector for connecting the first end of the coupling element to the first consumer

11 - the first consumer

12 is a first connector for connecting the second end of the coupling element to the second user,

13 - second customer,

14 - rod connected with a plot element from the coil to the second user,

15 - the second element of the fastening of the coil at the second end of the pipe,

16 - the first outlet of the second end of the coupling element,

17 - the mechanism of rotation of the rollers of the coil

18 - the first trumpet,

19 the first end of the first pipe,

20 is a plot of coupling element between the first what hodom coil and the second consumer, connected with draught

21 is a plot of coupling element between the output of the first end of the coupling element and the connector for connecting the first end of the coupling element to the first consumer

22 connection of the first and second tubes,

23 is a plot of the relationship between the second user and a coil included temporarily at the time of passage of the thrust through the newly attached pipe,

24 - second connector for connecting the second end of the coupling element to the second user,

25 is a plot of the relationship between the second user and a means of lifting thrust,

26 - the direction of thrust, which is connected with the coil, while dragging her through the pipe,

27 - the second outlet of the second end of the coupling element,

28 - second trumpet,

29 - the element for attachment to the coil from the second end of the pipe.

The device includes a lifting mechanism 1, the rod 14, the coil consisting of a frame 5, a continuous coupling element 8 and the casing 7 with fasteners to pull 29 and to the pipe 3, 15. The coupling element 8 is wound on the coil 5. The first end of the coupling element 8 is terminated by a connector 9 and through it is connected to the first user 11 through the section of the coupling element between the output of the first end of the coupling element of the coil and the connector 10 of the first user 11.

The second end of the coupling element fixed to the armature coil in the slot 16, is intended is about to connect through the section of the connection element, connected to the shaft of the second user 13 to the first output to the second end of the coil. When the coupling element during movement of the coils along the pipe has the ability to get/to nakativaetsa with frame/the frame, and the outer size of the device in cross-section does not exceed the minimum internal diameter of the pipes included in the Assembly.

In the dependent claims, the device further includes:

1) a means of winding-unwinding element of communication and a mechanism for blocking inadvertent unwinding, winding means includes at least one pair of rollers placed at the ends of the frame so that there is a possibility of rotation around the axis perpendicular to the direction of unwinding-winding of the coupling element and the axis of the pairs of rollers are deployed relative to each other in a plane perpendicular to the direction of unwinding, while the rollers on both ends of the frame spaced along its length, or the winding means includes a roller, the axis of rotation which is parallel to the direction of unwinding of the coil, and the mechanism blocking spontaneous unwinding of coupling element;

2) the mechanism of rotation of rollers and a control unit connected with the mechanism of rotation of the rollers, and the rotation mechanism may be reversible, and the control unit is connected with a lifting tool;

3) the cleanup tool element from contamination, which is its outer surface;

4. the mechanism includes a tool stowage of coupling element when the unwinding and winding;

5) as an element of communication is proposed to use the cable, or power cable, or fiber-optic cable, or a combination of wire with an electric cable and/or optical cable, with both ends of the connection element provided with means for attachment to the rope;

6) removable floats;

7) the electrical connections and/or optical connectors on both end of the connection element;

8) on the second end of the coil has two connector connected with the second end of the coupling element and the input of the second user parallelized in two cables, one of which is connected with a thrust.

The proposed method and the device set forth in formulas to use when routing communication through the elements of pipelines, water pipelines, sewers, pipelines and other devices containing pipe connections, however additionally introduced the protected area of the communication line, bypass valves and gate valves pipelines, and end-of-pipe, in connection with its tap or flap is a tight output for connection of the protected line.

The device operates as follows.

The coupling element 8 having a continuous length greater than the length of the tube Assembly, is wound on the coil 5. The transverse size of the coil assembled with the coupling element, not the debtor is to exceed the minimum internal diameter of pipes. Rod 14, the length of which exceeds the length of the pipe, fasten with the lifting mechanism 1. Next rod is passed through the first pipe to its exit from the first end of the first pipe. Rod mechanically connected via the fastening element 30 to the coil body. The output of the first end of the coupling element 9 is connected with the first user 11 through the section of the coupling element between the output of the first end of the coupling element and the connector for connecting the first end of the coupling element to the first user 10. The second end of the coupling element 8 via its first output 16 is connected to the second user 13 via the section of the coupling element 20 connected to the shaft section of the coupling element 25 between the lifting mechanism 1 and the second user 13 and the connector 12. With a lever 14 and a lifting mechanism 1 the coil is moved through the first pipe to the exit from the second end 2 of the first pipe body coil 7 with elements 3,15 fastening the coil to the second end 2 of the first pipe. When this happens unwinding from the coil element due to the length of the moving coil. The relationship between consumers 11 and 13 when it is not broken. Next, disconnect rod 14 from the coil 7. Connect the second parallel output coil 7 with the second user 13 via the connector 28, the outer section of the coupling element 23 and a connector 24. The first outlet of the second end of the coupling element 16 is disconnected from the second user 13. For this adoed the following section of the coupling element 20 from the second end of coupling element 16. Next thrust with a plot of coupling element 20 is passed through the second pipe to its exit from the first end of the second pipe. Rod mechanically connected via the fastening element 30 to the coil body. The second end of the coupling element 16 is connected to the second user 13 via the section of the coupling element 20, which is connected with a thrust. Disable the second parallel output 27 of the coil with the second user 13. Raise the thrust of the coil and, pressing on the outer ends of the fastening elements 3.15, the open spring and wind the coil in the first end of the second pipe. Connect the first end of the second pipe with the second end of the first pipe. Draft 14 move the spool to its exit from the second end of the second pipe. The above action is repeated N-1 times and thereby provide a continuous connection with the extension tubes and the creation of them Assembly of N pipes.

To disconnect pipe rod mechanically connected via the fastening element 30 to the coil body. The second end of the coupling element 8 via its first output 16 is connected to the second user 13. Parallel external communications unit 23 is disconnected from the second output coil 27. With a lever 14 and a lifting mechanism 1 coil moves through the N-th pipe to the second, inclusive of the end of the N-1 pipes. Rassadina N-th and N-1 pipes. Raise the N-th pipe so that opened access to the first 16 and second 27 outputs the body coil and 7 and the fastening element 29 her to pull. Raise the coil so that it is using elements 3 and 15 installed on a section of the second end of the N-1 pipes. When moving the coil from the second end of the N-th pipe to the second end of the N-1 pipe is winding coil element due to the length of the moving coil. The relationship between consumers 11 and 13 when it is not broken. Next, disconnect rod 14 from the body coil 7. Connect the second parallel output coil 7 with the second user 13 via the connector 28, the outer section of the coupling element 23 and a connector 24. The first outlet of the second end of the coupling element 16 is disconnected from the second user 13. To do this, disconnect the plot of coupling element 20 from the second end of coupling element 16. Disconnect the N-th pipe from the lifting mechanism. Divert away from the longitudinal axis of the N-1 first tube first end of the N-th pipe with a thrust and a plot of coupling element connected to the shaft inside the pipe. Disconnect the N-th pipe from the lifting mechanism. Lower inclined N-th pipe so that cravings are completely free with a plot of the relationship. Store the N-th pipe. Next thrust with a plot of coupling element 20 is attached to the fastening element 30 and the second end of the coupling element 8 via its first output 16 is connected to the second user 13. Parallel external communications unit 23 is disconnected from the second output coil 27. With a lever 14 and a lifting mechanism 1 coil is we move through the N-1 th pipe to the second, inclusive of the end of the N-2 pipe. Repeat the above steps until complete separation of the pipes. The relationship between consumers during the above action is not disturbed. The descent of the coupling element with the coil can be performed without the use of thrust by rotating first and second rollers 4, 6 mounted in bearings located on the coil, due to the pulling effort applied to the coil body through the coupling element 21. The device provides a mechanism 17 of rotation of the rollers 4, 6, the operation of which is controlled by a control unit placed in the lifting device 1. In this case, work on pulling through the coil through the pipe and the unwinding of coupling element happen consistently and thereby eliminating inadvertent unwinding of the coupling element with the coil. With the introduction of the managed device in the mechanism of rotation of the rollers 4, 6, you can move the coil through the pipe during disassembly due to the winding on the rolls of the coupling element.

As shown by the applicants information search, the prior art is not known a method and a device for its implementation with the above set of essential features, i.e. the inventive method and device for its realization have novelty in comparison with the prototype, differing from it in the fact that in the method of establishing communication between the ends of the tube Assembly, the moving element of the connection is the application of effort on the part of the second end of the tube Assembly without interruption during the Assembly of the pipes using the continuous coupling element within the tube Assembly, collected on a spool having a transverse dimension less than the internal diameter of the tube Assembly, and plug the second end of the element due to the consumer through a traction element or through the parallel channel on the time travel element is thrust through the tube produced to the Assembly, the movement of the coupling element is made in stages, simultaneously with the connection of the pipe by moving inside the pipe coil with an item due to a combination otmuchivanie element due to the amount of movement of the coil.

In the device for implementing the method, unlike the prototype was additionally introduced into the traction device, having a length that exceeds the length of each pipe within the Assembly, and connected on one side with a lifting mechanism, and on the other hand with the coil, and with a thrust associated additional section of the connection element connecting the second end of coupling element located on the coil, with the second consumer, and the coil has a fastening elements, allowing you to install it on the cut pipe and the outer cross-sectional dimension of the enclosure does not exceed the inside diameter of the pipe segments included in the Assembly.

As noted, applicants unknown solutions with a range of listed hallmark symptoms and obtain the above result, the applicants believe that, that the claimed device, with the dependent claims correspond to each of the criteria of "novelty" and "inventive step".

The inventive device, with the dependent claims can be implemented with the use of modern equipment and technologies and may find wide application in the means of communication used in the drilling process and for laying communication lines within the gas, water and other routes that use tube Assembly, therefore, meets the criterion of "industrial applicability".

References

1. Molchanov, Eeslyamova, Wagrain. Geophysical studies of horizontal oil and gas wells, S.-Petersburg, international Academy of ecology, man and nature (MANEB), 2001, 298 S.

2. Patent SU # 1484927 A1, class E 21 In 47/12, publ. in bull. No. 21 from 07.06.89.

1. A method of creating a connection between the ends of the Assembly of the pipes in the building and rassledovanie, including the winding coil of the coupling element, attaching the first end of the coupling element to the first user at the first end of the Assembly of the pipe, movement of the coupling element inside the tube and attaching the second end of the coupling element to the second user located at the second end of the Assembly of the pipe, characterized in that the displacement of the connection element is produced in stages, simultaneously with the accumulation is the W or ressidential tube Assembly by moving inside the pipe coil thrust with force, applied to the coil from the second end of the pipe, while otmuchivanie or winding element due to the amount of movement of the coil and without interruption by connecting the second end of the coupling element to the second user through a traction element when moving coil or through the parallel channel, the plug while moving thrust without coil, securing the coil in the Assembly of the tube at its second end, whereby when the extension tube Assembly carry out the procurement of the coupling element with a length exceeding the length of the tube Assembly, and wind it on the spool, wind the rod inside the connected pipe and move the coil from the first end of the pipe to the second its end, and when rassledovanie carry out ejection of the coil in the opposite direction.

2. The method according to claim 1, characterized in that otmuchivanie or winding of the coupling element is produced with the rotation of the coupling element around the axis of the coil.

3. The method according to claim 1, characterized in that the winding of coupling element on the coil when rassledovanie pipes make when moving coil in the pipe.

4. The method according to claim 1, characterized in that during otmuchivanie element connection on it at intervals that are multiples of the length of the pipe, set the floats, and when rassledovanie pipes take them off.

5. The method according to claim 1, characterized in that the moving coil element connection C is kreplach on the inner wall of each pipe with the possibility of sliding of the coupling element relative to the fastening element.

6. The method according to claim 1, characterized in that when the capacity of the pipes checks the connection by determining the absence of mechanical, electrical or optical connection.

7. Device for the formation of ties between the ends of an Assembly of pipes, comprising a lifting mechanism, a coil consisting of a body, which is installed inside the frame with a wound on him by the coupling element so that the first end of the coupling element has a means of attachment to the first end of the tube Assembly and the first connector to the first user and the second end of the coupling element attached to the coil and has a second connector for connecting to a second consumer, wherein the device is provided with a thrust having a length that exceeds the length of each pipe, and having elements connection with lifting mechanism and reel on the other hand, an additional cut of coupling element for connecting the second coil connector with the second user via the lifting mechanism, and the coil is equipped with a sealed enclosure and mounting elements, allowing you to secure it to the pipe, and the outer transverse dimension of the housing of the coil does not exceed the internal diameter of the pipes included in the Assembly, and a lifting mechanism includes a control unit, connected to said additional cut of coupling element across the rod from the coil body.

8. The device according to p. 7, wherein the frame is further provided with reversing means for the winding-unwinding element of communication and a mechanism for blocking inadvertent unwinding, and the tool coiling-uncoiling includes two roller placed on the frame for rotation around the axis perpendicular to the direction of unwinding or winding of the coupling element, the element rotating one of the rollers connected to the platen, the means of the winding is the winding connected to the control unit.

9. The device according to claim 8, characterized in that the means of coiling-uncoiling includes at least one pair of rollers, placed on the frame for rotation around the axis perpendicular to the direction of unwinding or winding of the coupling element and the axis of the pairs of rollers are arranged relative to each other in a plane perpendicular to the direction of unwinding, with the rollers spaced along the length of the frame.

10. The device according to claim 7, characterized in that it is provided with a means of cleaning element from the impurities present on the outer surface of the coupling element.

11. The device according to claim 7, characterized in that the means of coiling-uncoiling includes a roller, the axis of rotation which is parallel to the direction of unwinding or winding of the coil, and a mechanism for blocking inadvertent unwinding of the coupling element.

2. The device according to claim 8 or 11, characterized in that the means of coiling-uncoiling includes a tool stowage of coupling element when it is wound.

13. Device according to any one of paragraphs. 7-11, characterized in that the coupling element is used the cable together with an electric cable with connectors on both ends or in conjunction with fiber-optic cable with optical connectors at the ends.

14. The device according to p. 13, characterized in that the input of the second consumer threaded connection to him two cables, one of which is connected with a thrust.

15. The device according to p. 7, characterized in that along the coupling element is additionally fitted with removable floats.

16. The device according to p. 7, wherein is further provided with a plot of the protected line, bypass valves and gate valves pipelines.

17. The device according to p. 16, characterized in that the end of the pipe in connection with its valve or plug has sealed the output coupling element.



 

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34 cl, 8 dwg, 1 ex

FIELD: oil well operation, particularly to supply power or control signal into well.

SUBSTANCE: method involves installing packer having power-operated device and pipeline structure having electroconductive part into oil well; bringing the packer into working position; electrically connecting power-operated device with electroconductive part of pipeline structure; installing inductance choke located around electroconductive part of pipeline structure and bringing thereof into working position; applying time-alternating current to pipeline structure; directing part of electric current trough power-operated device by means of inductance choke and performing oil production. Casing pipe or ground surrounding the well may be used as return circuit. Packer power-operated device has electrically controlled valve which manages fluid flow between packer sides and communication and control module electrically linked with the valve. Communication and control module comprises modem for receiving control commands coded in communication signals. Communication and control module performs decoding of control commands received with the use of modem and operates valve slide with the use of control command when the packer is installed in the working position. Power-operated device may have sensor and modem, which transmits data received by sensor in the form of electric communication signal, wherein the data demonstrates at least one physical characteristic.

EFFECT: improved oil production control due to possibility to perform real-time control of power-operated device included in packer.

20 cl, 4 dwg

FIELD: oil well operation, particularly to supply power and communication signals to downhole device.

SUBSTANCE: oil well has borehole with pipe structure arranged inside the borehole, communication system performing transmission of time-varying signal along pipe structure, as well as hydraulic system electrically linked with pipe structure and adapted to be connected to downhole device, to receive power and to control downhole device. Communication system also has impedance device arranged around pipe structure to form conductive section in which signal interference is provided, wherein the signal is current. To operate downhole device working liquid pressure is increased with the use of current. Hydraulic drive system comprises electric drive for above signal receiving, which activates pump to increase working liquid pressure. Connected to pump is drive actuated by working liquid and connected to downhole device in its working position to operate the downhole device. Signal may include communication signal to selectively operate downhole device, particularly valve.

EFFECT: decreased electric power losses during signal transmission to downhole device.

26 cl, 6 dwg

FIELD: oil industry, particularly to supply and store power necessary for downhole device and appliance operation in oil well.

SUBSTANCE: power supply system has current impedance device arranged around borehole pipeline structure and adapted for at least partial defining supply part to transfer alternate current through and along conductive pipeline structure part. System also has power storing device adapted to be electrically connected to conductive pipeline structure part, to be discharged with alternate current and to be linked with downhole device so supply power thereto. Embodiments of oil well structure including above system are also disclosed, as well as oil well operation method and power supply method with the use of the described system.

EFFECT: improved stability of power supply to downhole devices and appliances.

37 cl, 8 dwg

FIELD: oil production industry, particularly to perform fluid flow control during oil extraction process.

SUBSTANCE: well has casing pipe with a plurality of perforated sections and production string located inside casing pipe. Alternating current source electrically linked with at least one of casing pipe and production string is located on ground surface and serve to conduct alternating current from ground surface into well through casing pipe or production string. Controlled well section is also provided. Controlled well section includes communication and control unit electrically linked with at least one of casing pipe and production string and having sensing means and electrically operated valve connected thereto. Communication and control unit is adapted to regulate flow between outer and inner production string parts at least partly in accordance with sensing means measurements. To extract oil a number of controlled well sections are provided. Some controlled well sections have flow limiter retarders located around production string part to prevent fluid flow between controlled well sections. Fluid characteristic is measured in each controlled well section and fluid flow is regulated on the base of performed measurements at least in one controlled well section with the use of valves. Then oil is extracted from well through production string. Fluid injection is performed along with control fluid flow from inner production string part to outer one with the use of above method, wherein each controlled well section is provided with above flow retarder. Packer or electrically operated packer comprising electrically operated valve or expanded production string part or sleeve located around production string in perforated casing pipe section may be used as the flow retarder. Flow, pressure or fluid density transducers or acoustic signal converter may be used as the sensing means.

EFFECT: provision of dynamic oil extraction process control for optimization thereof.

32 cl, 6 dwg, 3 ex

FIELD: oil producing industry; testing facilities.

SUBSTANCE: invention relates to pumping facilities. Proposed ejector multifunctional formation tester has mechanical or hydromechanical packer installed on tubing string for fixed positioning in released state in well at preset depth, jet pump accommodating nozzle and mixing chamber with diffuser in its housing, and stepped through channel is made with possibility of fitting functional inserts, for instance, functional insert for recording pressure built up curve. Jet pump is located in casing string over well producing formations, self-contained logging complex is installed lower than packer on tubing string for measuring, for instance, specific electric resistance of rock or for action onto formation by physical fields, for instance, acoustic fields, and second additional packer is installed being made of elastic material in form of open-top cup with conical side wall. Cup bottom is hermetically secured on tubing string, and ring is arranged on rubbing string lower than additional packer for centering packer in casing string, distance between packers being not less than outer diameter of tubing string in place of mounting of additional packer. Thanks to it intensification of investigation and testing of wells with open or cased hole, primarily crooked or horizontal ones, optimization of arrangement of packers at their operation together with jet pump and self-contained logging complex are provided.

EFFECT: improved reliability of operation of well jet plant.

2 cl, 1 dwg

FIELD: oil producing industry; pump facilities.

SUBSTANCE: according to proposed method, the following devices are mounted on tubing string in turn from top to bottom: jet pump, upper mechanical packer, lower packer made of elastic material, centering ring, and, on lower end of tubing string with perforated section, self-contained logging complex is installed and said assembly is lowered into on tubing string. In process of lowering, recording of background values of rock physical fields is done and when self-contained logging complex reaches design depth, upper mechanical packer is released and functional insert is installed in stepped through channel of jet pump to record pressure built up curves and then, by delivering liquid medium into nozzle of jet pump, at least three step rising values of drawdowns are built in underpacker zone and by measuring amounts of pumped out liquid on surface during each down, yields are found, and then drawdowns are built additionally and rock physical fields are recorded by self-contained logging complex.

EFFECT: improved reliability and increased capacity at investigation and testing of formations in wells with walls not strengthened by casing string, improved accuracy of geological-field information at earlier stages of well building.

2 cl, 3 dwg

FIELD: oil producing jet units.

SUBSTANCE: proposed formation tester contains jet pump, unit for connecting and disconnecting tubing string, valve unit with seat for valve insert with check valve, packer and liner with intake funnel, all mounted on tubing string from top to bottom. Jet pump housing accommodates coaxially installed active nozzle and mixing chamber, and channels are made to deliver active medium, pumped out of well and stepped through channel with seat between steps. Possibility is provided for in-turn mounting of sealing unit and interlock insert with through channel which are arranged on flexible smooth pipe higher than tip for connecting self-contained logging complex and insert for recording pressure built-up curves I underpacker space of well under which self-contained instruments are installed for recording pressure, temperature and other physical parameters of well and forming fluids. Invention provides intensification of investigation, testing and preparation of wells, mainly, horizontal and high curvature wells, optimization of operation of jet pump used together with self-contained logging complex and other functional insets for investigation of producing formation.

EFFECT: improved reliability and increased capacity of operation.

3 cl, 3 dwg

FIELD: oil producing industry; pump facilities.

SUBSTANCE: method comes to mounting the following device onto tubing string: pump with through channel, packer and liner with intake funnel, lowering the assembly into well, releasing the packer and creating required drawdown in underpacker zone by pumping liquid medium out of underpacker zone by jet pump. Assembly is furnished additionally with unit for disconnecting and connecting tubing string, and valve unit with seat for mounting check valve, and then tubing string is assembled in definite sequence. After these operation, investigation, testing and completion of well are carried out. Then well is set in operation.

EFFECT: intensified investigation, testing and completion of horizontal crooked wells, improved reliability of formation tester.

2 cl, 3 dwg

Cable adapter sub // 2267002

FIELD: drilling equipment, particularly cable television system used to perform navigational control of directional and horizontal oil and gas well drilling from ground surface and to guide borehole cable rope from inner cavity out of drilling string.

SUBSTANCE: sub comprises threaded connection pipe with thrust end, body with straight and peripheral inclined channels, bush and annular sealing member arranged in straight body channel. Straight body channel is central and provided with cup with inner and outer longitudinal grooves. The bush is installed so that the bush may cooperate with thrust end of threaded connection pipe and has longitudinal extensions arranged in inner longitudinal cup grooves. Annular sealing member comprises extension having orifice and cut for cable introduction into the orifice. The extension is arranged in peripheral inclined channel of the body. Safety means formed as reinforcing member facing straight channel and as elastic member with orifice and cut for cable introduction and arrangement is installed at inclined channel inlet.

EFFECT: increased service life, ease of sub operation and repair.

3 cl, 4 dwg

Uniting device // 2266407

FIELD: survey device to survey wells during drilling and operation, particularly to unite modules during cooperation thereof.

SUBSTANCE: device comprises body including two parts and ball finger. The ball finger has spherical surfaces mating upper body part. The ball finger is fastened by pressing nut. Lower part of ball finger is screwed in lower body part to which sleeve performing limited axial movement is connected. The sleeve movement is limited by retaining nut. Uniting device air-tightness is provided by sealing ring and pressing nut installation.

EFFECT: increased degree of uniting device movement freedom, improved air-tightness.

1 dwg

FIELD: mining industry.

SUBSTANCE: device has post with mounting holes along circle, forks with aperture for holding fork relatively to post, roller and stopper. Upper portion of post and lower portion of fork are made in form of disc, are combined by axes and have mounting apertures along even circle along axis in a way, that angle between post apertures was different from angle between fork apertures.

EFFECT: higher durability, higher precision, higher efficiency, broader functional capabilities, higher personnel and equipment safety.

1 ex, 3 dwg

FIELD: oil industry.

SUBSTANCE: all equipment-hoisting operations are performed during underground well maintenance prior to lowering pumping equipment. Equipment is mounted in tail piece lowered into well. After extraction of pumping equipment from the well, end piece with closed end is lowered, having calculated length, dependent on depth of perforation range. Then specially made branch pipe is lowered into well with slit outlet for geophysical cable. Branch pipe with slit outlet is rigidly connected to pipe pumping filter. Then equipment is lowered into tail piece in such a way, that geophysical cable was inserted through slit outlet into behind-pipe area of well. Further, pumping equipment is lowered, including tubing string, well sucker-rod pump and bars column suspension. In such a way, equipment is effectively positioned in tail piece, and connection to secondary equipment is maintained through geophysical cable, connected to tubing string by braces.

EFFECT: higher safety.

FIELD: oil and gas industry.

SUBSTANCE: device is made with possible use in conjunction with scraper for removal of paraffin precipitations. Device includes end piece for connection to well device and metallic rod with variable cross-section. Rod is made in form of at least three serially placed truncated cones. Cones have double relation of greater diameter to lesser diameter.

EFFECT: higher efficiency.

4 cl, 2 dwg

FIELD: oil and gas extractive industry.

SUBSTANCE: method includes selection of cable of required rigidity and fixing devices on it. Transporting of devices into well is performed under effect from weight of cable and devices. Cable also contains inner hermetic pipe, which is plugged on both sides prior to lowering cable into well. Liquid is pumped into pipe under pressure through locking valve in upper plug and is kept in pipe under constant pressure during operation. After that cable is lowered with devices fixed to it. Value of pressure of liquid in pipe is determined from formula Ppipe≥ Pwell(Scable/Spipe-1)-QcablexLcable/Spipe<Ptear, where Ppipe - pressure of fluid in pipe, kg-wt/sm2; Scable - cross-section of cable with pipe, sm2; Pwell - hydrostatic pressure of well liquid column at depth of planned delivery of devices on cable, kg-wt/sm2; Spipe - cross-section area of pipe aperture and plug area equal to it in contact with liquid in pipe, sm; Qcable - weight of 1 km of cable with pipe, kg-wt; Lcable - length of cable to depth of planned delivery of devices, km; Ptear - pressure of liquid in pipe leading to tear of cable, kg-wt/sm2, determined from formula: Ptear=Ftear/Spipe, where Ftear - tear force for cable according to documentation, kg-wt.

EFFECT: higher efficiency.

3 cl, 1 dwg, 1 tbl

The invention relates to the oil industry and can find application in the operation of horizontal and inclined oil-producing and injection wells

The invention relates to measuring apparatus and can be used in the oil and gas industry and Geophysics to control the spatial position of the wellbore while drilling

The invention relates to elektrobudowa technique, namely the electrical power supply of electric drills designed for drilling oil and gas wells

The invention relates to oil, gas, vododobyvayuschih industry and can be used in devices intended for installation of various devices and mechanisms in the well

FIELD: oil and gas extractive industry.

SUBSTANCE: method includes selection of cable of required rigidity and fixing devices on it. Transporting of devices into well is performed under effect from weight of cable and devices. Cable also contains inner hermetic pipe, which is plugged on both sides prior to lowering cable into well. Liquid is pumped into pipe under pressure through locking valve in upper plug and is kept in pipe under constant pressure during operation. After that cable is lowered with devices fixed to it. Value of pressure of liquid in pipe is determined from formula Ppipe≥ Pwell(Scable/Spipe-1)-QcablexLcable/Spipe<Ptear, where Ppipe - pressure of fluid in pipe, kg-wt/sm2; Scable - cross-section of cable with pipe, sm2; Pwell - hydrostatic pressure of well liquid column at depth of planned delivery of devices on cable, kg-wt/sm2; Spipe - cross-section area of pipe aperture and plug area equal to it in contact with liquid in pipe, sm; Qcable - weight of 1 km of cable with pipe, kg-wt; Lcable - length of cable to depth of planned delivery of devices, km; Ptear - pressure of liquid in pipe leading to tear of cable, kg-wt/sm2, determined from formula: Ptear=Ftear/Spipe, where Ftear - tear force for cable according to documentation, kg-wt.

EFFECT: higher efficiency.

3 cl, 1 dwg, 1 tbl

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