Electrical through connector for underwater containers

FIELD: electricity.

SUBSTANCE: through connector (100) extends partially or completely through the hole in a wall (202) of underwater containers (200). The connector contains a conductive rod (102), with a conic part (104) with an external diameter increasing in a longitudinal direction (108), and also electrical insulator (136), with a conic part (138) with an internal surface (140), directed towards the conic part (104) of the rod, and with an external surface (142), opposing the internal surface (140), directed towards the conic part (104) of the rod. The outer diameter (144) of the surface (142) of the conic part (138) of the insulator is increased in a longitudinal direction (108), which passes from internal space (204) of the container towards external space (206).

EFFECT: improvement of leakproofness of connection and prevention of the connector destruction as a result of significant pressure drops between external and internal spaces of the container.

19 cl, 4 dwg

 



 

Same patents:

Electric connector // 2306645

FIELD: electrical engineering.

SUBSTANCE: proposed electric connector has corrugated shielding member in the form of flexible bellows tightly closed on both ends with shrouds provided with through holes forming common space with inner cavity of bellows filled with mixture of neutrally reduced gases wherein electric conductor in the form of stranded wire is disposed to protect it against oxidation in chemically active medium at enhanced temperature, its conservative length being placed within bellows varying its length and shape when contact members are moving. Stranded wire ends are compressed to form washers with holes which are tightly secured by means of contact members within shrouds. Both ends of stranded wire are passed through shroud holes and secured therein by molding to allow for gas passage through space between wire strands.

EFFECT: enhanced resistance of connector to electric loads in chemically active media at enhanced temperature.

3 cl, 3 dwg

FIELD: electrical engineering; connectors for cable including those used in explosive and gas-laden areas.

SUBSTANCE: proposed explosion-proof connector has plug section shroud and socket section shroud accommodating plugs and sockets, respectively. Cable conductors are soldered to plug pins and socket jacks and sealed in shrouds by means of sealing compound. Shrouds of plug and socket sections are joined together by threaded bracing bushing provided with lock nut to prevent their spontaneous turn-out. Translational movement of bracing bushing along connector axis is limited on one end by projection provided on socket section shroud and on other end, by lock ring. Socket section shroud has groove to receive packing.

EFFECT: simplified design, enhanced reliability of explosion protection due to reliable sealing.

1 cl, 1 dwg

Plug connection // 2231184
The invention relates to a plug connection for connecting a cable in underground mining

FIELD: machine building.

SUBSTANCE: proposed joint comprises union and coupling with triangular taper thread made at their ends on inner and outer surfaces, thread taper equal to 1:8 and pitch equal to 8.4670.05 mm. Union and coupling thread turn profile features thrust face inclination angle of 20-30 degrees and set face inclination angle of 35-44 degrees. Socket of thread turn profile is composed of ellipse arc described by equation x2a2+y2b2=1, where a is larger axis of ellipse and b is smaller axis. Said larger axis is parallel with thread taper axis while ellipse is tangential to said thrust and set faces of thread turn. Thread turn profile top is cut with respect to thread initial triangle, cut width being equal to 2.3 mm. Said joint comprises inner and outer thrust assemblies, thrust ends of union and coupling being equal in length.

EFFECT: possibility to transmit high torque, fatigue and wear resistance.

2 cl, 3 dwg

FIELD: machine building.

SUBSTANCE: connection includes male and female elements, on the ends of which there are thrust trapezoid-shaped threads on outer and inner surfaces respectively, which have obliquity of 1:16, an inclination angle of a support edge of turn profile of 2-4 to the normal of an axial thread line and an inclination angle of a captivating edge of turn profile of 9-11 to the normal of the thread axial line. The connection has an internal sealing assembly formed with thrust end surfaces contacting to each other and located perpendicular to the thread axial line. Length of the thrust end of the male element is 6.9-100.3 mm. A version of a connection configuration is described.

EFFECT: tightness of the connection at interaction of considerable differently directed loads, and wear resistance of the connection.

2 cl, 2 dwg, 1 tbl

The rotator // 2186934
The invention relates to a turning device for installation on the well for underwater oil or gas, suited for connection with a mining ship on the sea surface, containing the main turning device or rotator for the passage of fluid, having at least two channels for the fluid, and an auxiliary rotary device for an electric/hydraulic connections used to transfer signals and power

Underwater well // 2186933
The invention relates to a device for underwater well for the extraction of oil or gas in the open sea, which contains the wellhead, x-Mas tree valves installed at the wellhead and at least one ascending pipe for connection with a mining ship on the sea surface

Underwater module // 2186932
The invention relates to an underwater module or station for oil or gas in the open sea, which contains at least two wellhead with related surface valves and manifold on fundametnal frame (base plate)

The invention relates to the oil industry and can be used in other sectors of the economy

FIELD: machine building.

SUBSTANCE: connection includes male and female elements, on the ends of which there are thrust trapezoid-shaped threads on outer and inner surfaces respectively, which have obliquity of 1:16, an inclination angle of a support edge of turn profile of 2-4 to the normal of an axial thread line and an inclination angle of a captivating edge of turn profile of 9-11 to the normal of the thread axial line. The connection has an internal sealing assembly formed with thrust end surfaces contacting to each other and located perpendicular to the thread axial line. Length of the thrust end of the male element is 6.9-100.3 mm. A version of a connection configuration is described.

EFFECT: tightness of the connection at interaction of considerable differently directed loads, and wear resistance of the connection.

2 cl, 2 dwg, 1 tbl

FIELD: machine building.

SUBSTANCE: proposed joint comprises union and coupling with triangular taper thread made at their ends on inner and outer surfaces, thread taper equal to 1:8 and pitch equal to 8.4670.05 mm. Union and coupling thread turn profile features thrust face inclination angle of 20-30 degrees and set face inclination angle of 35-44 degrees. Socket of thread turn profile is composed of ellipse arc described by equation x2a2+y2b2=1, where a is larger axis of ellipse and b is smaller axis. Said larger axis is parallel with thread taper axis while ellipse is tangential to said thrust and set faces of thread turn. Thread turn profile top is cut with respect to thread initial triangle, cut width being equal to 2.3 mm. Said joint comprises inner and outer thrust assemblies, thrust ends of union and coupling being equal in length.

EFFECT: possibility to transmit high torque, fatigue and wear resistance.

2 cl, 3 dwg

FIELD: electricity.

SUBSTANCE: through connector (100) extends partially or completely through the hole in a wall (202) of underwater containers (200). The connector contains a conductive rod (102), with a conic part (104) with an external diameter increasing in a longitudinal direction (108), and also electrical insulator (136), with a conic part (138) with an internal surface (140), directed towards the conic part (104) of the rod, and with an external surface (142), opposing the internal surface (140), directed towards the conic part (104) of the rod. The outer diameter (144) of the surface (142) of the conic part (138) of the insulator is increased in a longitudinal direction (108), which passes from internal space (204) of the container towards external space (206).

EFFECT: improvement of leakproofness of connection and prevention of the connector destruction as a result of significant pressure drops between external and internal spaces of the container.

19 cl, 4 dwg

Valve assembly // 2553675

FIELD: machine building.

SUBSTANCE: invention relates to mining, namely to valve devices. The valve assembly contains fixed part (2; 6) and bushing (3; 7). The bushing (3; 7) is designed with possibility of hole (33; 72) rotation until its alignment with the channel to ensure liquid passage through the channel and hole (33; 72), when bushing (3; 7) is in opened position. The bushing (3; 7) is designed with possibility of hole (33; 72) rotation from the channel to ensure liquid passage through the channel, when bushing (3; 7) is in closed position. Fixed part (2; 6) and bushing (3; 7) create a ring space between the fixed part and bushing (3; 7). The ring space is limited in axial direction by two sealing elements in axial directions of the bushing (3; 7) and fixed part (2; 6). One of two sealing elements is located at one side of the channel, and second of two sealing elements is located at opposite side of the channel. The ring space has connection by liquid with channel of the fixed part (2; 6).

EFFECT: prevention of undesirable environment pollution during connection and disconnection of quick-release nipple and connecting unit.

12 cl, 15 dwg

FIELD: oil and gas industry.

SUBSTANCE: present invention relates to the method and the protection device for protection of at least one barrier (5) of the well against excessive bending moments from the riser (2). The protection device according to the present invention is implemented with a possibility of determination of the critical bending loadings in or between the barrier (5) of the well and/or the riser (2) and may contain the device for determination of changes of curvature between the load bearing pipe of the riser (2) and the non-bearing rigid housing (18) attached to the riser pipe (2) or near the pipe, the device implemented with a possibility of measurement of relative distance (d) between the load bearing pipe of the riser (2) and the non-bearing rigid housing (18) and device for starting of detachment of the demountable connector (6) of the riser when the distance (d) between the load bearing pipe of the riser (2) and the non-bearing rigid housing (18) achieves the value of pre-set critical distance (dc).

EFFECT: design improvement.

10 cl, 13 dwg

FIELD: oil and gas industry.

SUBSTANCE: device comprises connection disconnected in riser column or hose. At that releasable connection is made so that it may be released or disconnected at occurrence of preset conditions for protection of the borehole barrier or another interfacing construction. At that safety device comprises at least one sensor to monitor tensile loads, flexural loads, loads in result of inner pressure and temperature. At that the above sensor may be installed at the riser or hose section, it is designed to collect measurement data related to tensile load, flexural load, load in result of inner pressure and temperature. Besides, the device comprises electronic unit for data collecting and processing capable to receive and interpret measurement data of at least one sensor and electronic or hydraulic or mechanical actuator or switch capable to receive signal from the above electronic unit for data collecting and processing and to initiate release or to disconnect releasable connection.

EFFECT: improved safety due to ensured protection of the borehole barrier integrity or another critical interfacing construction by on-line detection and response to emergency.

18 cl, 16 dwg

FIELD: manufacturing technology.

SUBSTANCE: invention relates to wellhead equipment, particularly to means for emergency disconnection between components connected to underwater well. Disclosed is connector (100) containing retainers (107) distributed along peripheral part of connector (100) on its connecting side. At that, said retainers (107) pass, in fact, in axial direction and can be engaged with connector (100) with its first end and engaged with connecting piece (201) opposite locking end equipped with fixing profile (109). At that, in fact, radial fixing movement of fixing end is provided by axial movement of actuating coupling (113) sliding relative to actuating surface (107b) holder (107), and retainers (107) can turn, in fact, radially around engagement section with connector (100) for inlet and outlet of locking position. Besides, connector (100) additionally contains guide plates (111), located between retainers (107) in area of their fixing ends and having protective faces (111a) passing inside in radial direction more than fixing profile (109) fixtures (107), when latter are turned outside position.

EFFECT: providing reliable connection under varying load due to prevention of play between components.

7 cl, 14 dwg

FIELD: electricity.

SUBSTANCE: invention relates to a multichannel rotating electric connector and can include multiple first contacts, which are located radially from each other, and multiple second contacts that enter into electric contact with respective first contacts, wherein there is relative rotation between first and second contacts. Second contacts can be radially spaced from each other. Downhole tool includes one section, which rotates relative to other section of downhole tool, and a multichannel rotary electric connector, which includes multiple contacts of annular shape, which rotate relative to each other. Method of operating downhole tool in underground well includes generation of relative rotation between sections of downhole tool and maintaining multichannel communication by electrical signals between sections, wherein there is relative rotation between sections.

EFFECT: improved equipment for reception and transmission of electric signal.

18 cl, 10 dwg

FIELD: electrical engineering; connectors for cable including those used in explosive and gas-laden areas.

SUBSTANCE: proposed explosion-proof connector has plug section shroud and socket section shroud accommodating plugs and sockets, respectively. Cable conductors are soldered to plug pins and socket jacks and sealed in shrouds by means of sealing compound. Shrouds of plug and socket sections are joined together by threaded bracing bushing provided with lock nut to prevent their spontaneous turn-out. Translational movement of bracing bushing along connector axis is limited on one end by projection provided on socket section shroud and on other end, by lock ring. Socket section shroud has groove to receive packing.

EFFECT: simplified design, enhanced reliability of explosion protection due to reliable sealing.

1 cl, 1 dwg

Electric connector // 2306645

FIELD: electrical engineering.

SUBSTANCE: proposed electric connector has corrugated shielding member in the form of flexible bellows tightly closed on both ends with shrouds provided with through holes forming common space with inner cavity of bellows filled with mixture of neutrally reduced gases wherein electric conductor in the form of stranded wire is disposed to protect it against oxidation in chemically active medium at enhanced temperature, its conservative length being placed within bellows varying its length and shape when contact members are moving. Stranded wire ends are compressed to form washers with holes which are tightly secured by means of contact members within shrouds. Both ends of stranded wire are passed through shroud holes and secured therein by molding to allow for gas passage through space between wire strands.

EFFECT: enhanced resistance of connector to electric loads in chemically active media at enhanced temperature.

3 cl, 3 dwg

FIELD: electricity.

SUBSTANCE: through connector (100) extends partially or completely through the hole in a wall (202) of underwater containers (200). The connector contains a conductive rod (102), with a conic part (104) with an external diameter increasing in a longitudinal direction (108), and also electrical insulator (136), with a conic part (138) with an internal surface (140), directed towards the conic part (104) of the rod, and with an external surface (142), opposing the internal surface (140), directed towards the conic part (104) of the rod. The outer diameter (144) of the surface (142) of the conic part (138) of the insulator is increased in a longitudinal direction (108), which passes from internal space (204) of the container towards external space (206).

EFFECT: improvement of leakproofness of connection and prevention of the connector destruction as a result of significant pressure drops between external and internal spaces of the container.

19 cl, 4 dwg

FIELD: machine engineering.

SUBSTANCE: invention relates to the mobile sealing system with movable action which is a mechanism enabling sealing of conductive elements (of electric or other type) when moving them from the volume under high pressure, to atmosphere, or between volumes of different pressures, using movable coupling units (3) and assembled mechanically by connecting an upper connecting element (1) to the increased pressure chamber (8). The sealing of the conducting elements is carried out by means of sealing elements made of elastic polymer (5) with formation of bidirectional seal acting in a movable fashion in accordance with applied pressure force in the direction of the higher-pressure action. The proposed sealing system can be used in oil and gas wells for isolation of vessels with different pressures or volume with increased pressure and atmosphere.

EFFECT: providing constant seal pressure corresponding to external pressure acting thereon.

7 cl, 10 dwg

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