Device for borehole

 

(57) Abstract:

The invention relates to techniques and technologies borehole in the geological structures by rock fracture energy of the compressed working medium. For sinking the most complex trajectory of wells and excavations device includes a housing and the propulsion unit, as well as rock the body, working on the principle of impact on destructible environment working medium under high pressure. The implementation of this technological problem is the device due to the fact that his body is made of separate modular parts, interconnected prohibitative corrugated elements, mainly made of steel spring class. The working body is also connected to the housing through a similar element and is shaped by the design of the nozzle with internal inserts forming its flow cross-section, and with the spherical support, allowing you to Orient the axis of the nozzle in any direction. In this part of the nozzles are oriented normal to the bottom, some at different angles to the area of the face, some in reverse from the bottom direction, and a part of the nozzles are oriented axes at an angle to the median plane of the working'or generation, that improves the performance and efficiency of penetration and be well on complex trajectories, to carry out the driving of the complex trajectory of the side wells of the cavities existing wells, the laying of communications under various obstructions: buildings, water barriers, embankments, etc., 1 C.p. f-crystals, 8 ill.

The invention relates to a process of drilling wells in geological structures and the technical means for this technology.

Currently known fundamental areas of technical solutions in this area, the most representative of which can be considered as a device for borehole containing drilling unit in the form of a rod mounted on it working body, the propulsion unit for the drive rod and the working body [1].

Significant and obvious disadvantage of this device is the equipment working body of the elongated rod connected to the surface of the earth with the power plant, which makes it possible to quickly change the direction of drilling a well, to change this trend in local areas passable wells; drilling process is associated with high energy and labor costs due to the low nature of the present invention is a device for sinking wells, comprising a housing placed in the body cavity of the power unit made in the form of the generator of a working body, rock-conical hollow body work, having in its base a reverse truncated cone associated with the housing, the walls of the working body established working nozzles that are oriented with their axes: part - normal to the face, the other part under different acute angles to the surface of the face, and the part in the direction opposite to the slaughter, and some nozzles are oriented with their axes at an angle to the median plane of the working body [2].

Having certain advantages over analogues, this device has several drawbacks, which in its basic design concept, the technical possibilities which do not allow the passage of the borehole complex trajectory, where are the transitions from one direction to another on a curve of small radius, local bending of the trajectory, performing covers for pivot device. These shortcomings do not allow us to change the principle and direction of drilling a well in a single operation.

The technical result of the present invention is to eliminate marked is the corporate governance when continuity of penetrations in a single technological cycle.

This technical result of the invention is achieved due to the fact that the device for sinking wells, comprising a housing, placed in the body cavity of the power unit made in the form of the generator of a working body, rock-conical hollow body work, having in its base a reverse truncated cone associated with the housing, the walls of the working body established working nozzles that are oriented with their axes: part - normal to the face, the other part under various acute angles to the surface of the face, and the part in the direction opposite to the slaughter, as part of the nozzles are oriented with their axes at an angle to the median plane of the working body, the said body is made of several parts connected with prohibitative corrugated elements, the base of the rock working body in the form of an inverted cone, connected to the housing through provopoulos corrugated element, and ring exoskeleton, and in the cavity of this working body is fixed eccentrically located unbalanced mass in the body, in the area specified as the pivot point, set the shutter interacting with working on what is very useful for changing the direction of orientation of their axes.

In the invention, the direction of orientation of the axes of the nozzles carried out by performing the base of the nozzle in the form of a ball mounted in a spherical socket, made in the wall of the working body, and changing the flow area of the nozzle is carried out by installing a liner in it from provopoulos material, forming a flow section of the nozzle.

This schematic structural implementation of the invention allows to simultaneously achieve several new technical and technological results: first, be well complex trajectories as continuous sinking of wells in a single technological cycle, and when a local change of the trajectory of drilling a well from the cavity of the previously completed wells; second, the device does not require reconfiguration in the process of drilling a well is a complex trajectory and does not require the use of additional tools and components for such work; and third device capable of simultaneously with a stable borehole drilling to make the expansion of its cross-section, as well as to the formation of local cavities. These advantages enhance the overall technological culture of this process.

Further, the device described with reference to the drawings where:

in Fig. 1 shows a General view of the device;

in Fig. 2 - working body of the device cross-section along the axis;

in Fig. 3 - section a-a in Fig. 2;

in Fig. 4 and 5 - the working body and the part of the working body;

in Fig. 6 is a diagram of a variant of the device on the face;

in Fig. 7 and 8 are details of the working body in Fig. 1 - the node a and the cross section along B-B in Fig. 7 to the nozzle axis.

Device for borehole complex trajectory includes a housing 1 and placed in it the propulsion unit 2; a housing connected to the rock-working body 3, equipped with nozzles 4, oriented normal to the surface of the face (in this case, is directed along the normal to the side of the face). The housing is made from a set of modular units type 1-2, interconnected prohibitative corrugated elements 5 (made for example from retornou sheet steel). The working body 3 is also using a similar provopoulos element 6 is connected to the housing 2.

This constructive embodiment of the casing and the working body allows the device to choose any of the most difficult areas of motion in borehole drilling complex trajectory, when openonline and vertical up to the surface: for the formation of two wells there and back in one closed continuous sinking.

The working body 3 also has a nozzle 7, oriented at different angles to the surface of the shaft and configured to change the flow cross-section (Fig. 7, 8) due to the installation section of the nozzle liner 8 from provopoulos material, forming a flow section of the nozzle, is fixed with the possibility of changing its direction of orientation due to the execution of the body of the nozzle in the form of a ball 9 and install it in a ball socket of a wall of the working body 3. When this fixing and changing the position of the liner 8 in the cross-section of the nozzle 7 is achieved by feeding into the cavity 10 through the opening 11 of the working fluid; and the angle of orientation of the nozzle is chosen by fixing the ball joint 9 of the nozzle in a spherical nest using a screw 12.

Power unit 2 is made in the form of the generator of the working fluid, particularly gas mixture, with each part of the body, there is the same power plant, and in the upper part of the body is placed a programmed control device 13.

The working body 3 made in the form of a conical hollow body, in the cavity of the unbalanced mass 14, above which the working body has an annular hinge 15 (Fig. 4, 5) coupled to the housing. For the functioning of the mass 14 between the hinge 15 and the body housing has a drive screw bolt 16, the rod 17 which communicates with the ring 18 when triggered, the shutter 16 of the spindle drive.

The working body 3 is made in the base (upper part in Fig. 1 and 4) in the form of a reverse (backward oriented with respect to the cone body 3) cone 19, which is connected to a conical working body and the housing through provopoulos corrugated element 6. Nozzle installed in the body of the working body, as shown above, are oriented with their axes at different angles to the surface of the face: the part of the nozzle (4) is oriented normal to the face, the other part (of the nozzles 7 are oriented at different acute angles to the surface of the face; part of the nozzle (7) is oriented normal to the axis of the device (Fig. 2), while the nozzle 7 in the median plane (Fig. 3) is oriented tangentially, i.e. tangent to the generatrix of the cone of the working body 3, which creates torque "M" working body, and the hinge node 15 does not prevent its rotation when released screw, sat rowanne in the direction reverse the nozzles 4 of the working body 3 (Fig. 1, 2). These nozzles are designed to perform work on the extension (if required by the process conditions, for example, when the diameter or transverse dimensions of the container with the fuel components (not shown) used as additional fuel blocks corps, exceed these parameters case 1) passable well, and do the work to create traction for filing device and its working body to face passable hole 21 (Fig. 6 shows a cross section of the well).

The original design of the device with its effective nodes, disclosed in Fig. 1 to 5, allows the passage bore any trajectory in vertical straight line on a sloping straight line, along a curved trajectory, up to changing the trajectory of direction down through the transition curve in the upward direction, back to the surface (which is very important, for example, coal gasification, using geometric energy sources and so on), and the presence of prohibitative corrugated elements 5, 6, the pivot point 15 and the mass 14 in the working body allows for the same working body (without shift) to produce output, EIT is paid 7 (Fig. 2, 3), in which the working body makes eccentric rotation trajectory 23 and forms the development 22 of substantial diameter, for example, as a local extension of the well 21 or for the formation of the transition curve and changes the trajectory of the strip wells (or output).

The operation of the device for borehole complex trajectory, as it is already partially described in the course descriptions of the structures of the device is as follows.

Control programmable device 13 is set to a predetermined program of drilling a well from its mouth (very well in her profile not shown), for example, vertically to a depth of 400 m For all of the nozzles on the desktop authority oriented symmetrically to its axis along its diametral planes to eliminate deflection point for the working body; flowing pressurized jets of working agent develop the slaughter and are well 21. Then make the extension section of this well-to section 22 (Fig. 6) due to the release of the shutter 17 (raise it up) of the jaws 18, due to the moment M and a mass of 14 ask eccentric rotation of the working body 3 and make this a local extension of the well. D is their more nozzles of the fluid (Fig. 8, 7), other (smaller) section of nozzles while changing, and education on the one hand the working head of large sections of the nozzle than the nozzle located on the opposite side of the working body, seeking to create a significant deflecting point to the working body, which stretches for a curve curving through the elements 6 and 5 of the device, forming a curvilinear production with the translation of its trajectory, for example, in the horizontal direction for care in the reservoir and education to the large influx of fluids; or - to change direction to the surface (if it is configured by the program of penetration).

Thus, the embodiment of the device, as shown in the description and in the drawings, allows you to quickly change the direction of penetration, to create the mobility process of transition from one direction to another and to improve the technological culture of the entire drilling process.

Sources of information

1. The great M. I. Machinery of drilling combined methods, M.: Nedra, 1977, S. 50-53.

2. U.S. patent N 3934659, CL 175/14, 1976.

1. Device for drilling wells, comprising a housing, placed in the body cavity of the power set a reverse truncated cone, associated with the housing, the walls of the working body established working nozzles that are oriented with their axes: part - normal to the face, the other part under various acute angles to the surface of the face, and the part in the direction opposite to the slaughter, and some nozzles are oriented with their axes at an angle to the median plane of the working body, characterized in that the housing is made of several parts connected with prohibitative corrugated elements, rock-a working body connected to the housing through provopoulos corrugated element, and in the cavity of this working body is fixed eccentrically located unbalance mass at the base of the working body, made in the form of an inverted cone, is made circular hinge through which the working body connected with the specified prohibitative corrugated element, in the area specified as the pivot point is set the shutter interacting with the working body and the nozzles in the walls of the working body is installed with the possibility of changing their flow area and direction of orientation of their axes.

2. The device under item 1, characterized in that changed is undertaken in a spherical socket, made in the wall of the working body, and changing the flow area of the nozzle is carried out by installing a liner in it from provopoulos material, forming a flow section of the nozzle.

 

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SUBSTANCE: device has two bodies, laced between drilling pipes and rock-destroying element, drilling assembly changing assembly, mounted between bodies. Bodies are placed at a space between each other and interconnected moveably by drill angle changing assembly, made in form of bushing, inside of which a rubber bushing is placed, passing through inner hollows of bodies. Rubber bushing is provided with compacting element and elements for excluding its deformation. Value of space is selected from condition providing for drilling along planned trajectory, providing for exit from slanting portion into horizontal. Elements for excluding deformation of rubber bushing are made in form of steel rings. Fixing elements are made in form of two pairs of coaxial stops in lower and upper bodies respectively at angle of 90 to each other.

EFFECT: higher productiveness.

2 cl, 1 ex, 1 dwg

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