CN218092945U - Wellhead device of electric submersible pump double-pipe hanger - Google Patents
Wellhead device of electric submersible pump double-pipe hanger Download PDFInfo
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- CN218092945U CN218092945U CN202222470524.XU CN202222470524U CN218092945U CN 218092945 U CN218092945 U CN 218092945U CN 202222470524 U CN202222470524 U CN 202222470524U CN 218092945 U CN218092945 U CN 218092945U
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Abstract
The utility model relates to an electric submersible pump double-pipe hanger well head device, the advantage lies in: the double-pipe drainage gas production of the electric submersible pump is that two times of oil pipes are put into a sleeve of a well completion, one oil pipe channel is taken into the well by the electric submersible pump, water is discharged at high lift, and the other small oil pipe channel is used for accelerating the flow rate gas production; and after the gas well is activated, accumulated water is discharged through the flat gate valves on two sides of the liquid discharge channel along the oil pipe with the diameter of 101.6mm, gas is produced by using another oil pipe with the diameter of 60.3mm, the flow rate of the small oil pipe is high, and the accumulated water can be taken out partially, so that the gas well can be independently produced for 3 days, 5 days, 10 days or more, and after the gas well is flooded, the electric submersible pump is started again for discharging and discharging water, and the service life of the electric submersible pump is prolonged.
Description
Technical Field
The utility model belongs to the technical field of oil production, a two pipe hanger well head devices of electric submersible pump is related to particularly.
Background
At present, according to the feedback information of an oil field, the natural gas in the existing old gas well is exploited for a long time, the gas layer can descend, underground water can slowly permeate into the gas layer, when water reaches a certain depth in the gas well, the pressure of the water is larger than that of the natural gas, so the water can cover the upper layer of the natural gas to prevent the natural gas from being exploited, an electric pump is used for draining and gas production, the common electric pump drainage gas production is oil pipe channel high-lift drainage, the casing gas production is insufficient in flow rate and cannot carry liquid by itself, the electric pump continuously operates, the service life is short, and the problems need to be solved by production and use units.
Disclosure of Invention
In order to solve ordinary charge pump drainage gas production, the sleeve pipe gas production velocity of flow is not enough, can not take liquid certainly, and the charge pump continuously operates, the short technical problem of life, the utility model provides an electric submersible pump double-pipe hanger well head device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an electric submersible pump dual tubing hanger wellhead assembly comprising: the device comprises a BT sealing ring, a grease injection valve, a double-layer oil pipe four-way joint, a flat valve, a screw thread flange, a pressure gauge component, a pointed top thread, a sealing gasket ring, a conversion flange, a connecting bolt, a phi 60.3mm oil pipe hanger, a round head top thread, an O-shaped sealing ring, a rectangular sealing ring, a supporting ring, a splicing cap, a control pipeline, a phi 101.6mm oil pipe hanger and a cable traversing device; the method is characterized in that: two through holes are processed on the left side and the right side of a double-layer oil pipe four-way joint, a cable penetrating hole and a control pipeline hole are processed on one side in the middle of the double-layer oil pipe four-way joint, flat valves, screw thread flanges and pressure gauge assemblies are sequentially installed on the left side and the right side of a double-layer oil pipe head four-way joint, the valves on the two sides of the upper layer play a role in drainage, the valves on the two sides of the lower layer play a role in pressure testing and fracturing, a BT sealing groove is processed on the inner side of a flange on the lower portion of the double-layer oil pipe head four-way joint and used for placing a BT sealing ring to be in contact with a sleeve, a grease injection valve is installed on the periphery of the lower flange of the double-layer oil pipe head four-way joint, sealing grease is injected into the BT sealing groove through the grease injection valve, and the BT sealing ring tightly holds the outer wall of the sleeve, and a sealing structure is formed.
As a further improvement of the utility model, the cable that the cable passes through the ware and passes through the hole through the big cross of bilayer and be connected with the electric submersible pump, pump drainage ponding in the pit, the oil pipe screw thread of two oil pipe hangers all processes with same one side off-centre, screw surface copper facing is handled, prevent the thread gluing, phi 101.6mm oil pipe hanger, phi 60.3mm oil pipe hanger are connected the back with corresponding "O" type sealing washer, rectangular seal ring, the support ring, piece cap respectively, place in proper order inside the cross of bilayer oil pipe, phi 60.3mm oil pipe hanger connects phi 60.3mm oil pipe and is used for the gas production, 101.6mm oil pipe hanger connects phi 101.6mm oil pipe and is used for the drainage, the one end of control line passes through the side opening of phi 101.6mm oil pipe hanger, go deep into the pit, the other end passes through the control line hole of the cross of bilayer oil pipe, be connected with external control valve, the manometer, be used for observing the gaseous pressure variation in the pit.
As the utility model discloses a further improvement, the intermediate position and the upper portion flange of double-deck oil pipe head cross are peripheral, processing jackscrew groove, the jackscrew is screwed up at the jackscrew inslot under the effect of external force, on the chamfer of the closed angle top tight oil pipe hanger of tip jackscrew, prevent that the oil pipe hanger from removing, the right angle inslot of the round head top tight oil pipe hanger of flat head jackscrew, fixed oil pipe hanger eccentric position, the conversion flange lower extreme links to each other with the bolt on the double-deck oil pipe cross, it is sealed with the sealing gasket ring to between, phi 60.3mm oil pipe hanger upper end conversion flange is inside to be sealed with "O" and type sealing washer, the gas production tree is connected in conversion flange upper end, carry out the gas production operation.
The utility model has the advantages that: the electric submersible pump double-pipe drainage gas production is that two times of oil pipes are put into a well completion sleeve, one oil pipe channel is taken into the electric submersible pump to enter a well, water is discharged at high lift, and the other small oil pipe channel is used for accelerating the flow speed gas production; the combined design of a phi 101.6mm + phi 60.3mm concentric tube, wherein a phi 60.3mm main channel is a gas production channel, the annular space between a phi 101.6mm oil tube and a phi 60.3mm oil tube is a liquid drainage channel, a cable channel is designed in the annular space formed by the phi 101.6mm oil tube and a sleeve, the annular space is connected with the outside through the top of a wellhead device, a special cable traversing device is designed at the lower part of the wellhead device and is connected with an electric submersible pump, and the sealing capacity is more than 35MPa; the electric submersible pump channel drains water, after a gas well is activated, accumulated water is drained through flat gate valves on two sides of the drainage channel along an oil pipe with the diameter of 101.6mm, gas is produced by using another oil pipe with the diameter of 60.3mm, the flow rate of the small oil pipe is high, and accumulated water can be brought out partially, so that the gas well can be independently produced for 3 days, 5 days, 10 days or more, and after the gas well is flooded, the electric submersible pump is started again to drain water, and the service life of the electric submersible pump is prolonged; the utility model discloses can use as new wellhead assembly, also can replace original oil pipe head when the well workover, great saving manufacturing cost, improved gas production efficiency, belong to new product new technology, can satisfy the use needs in oil field, be fit for extensively promoting.
Drawings
Figure 1 is the utility model discloses a two pipe hanger well head device structure elevation views of electric submersible pump.
Figure 2 is the utility model discloses an electric submersible pump double-barrelled hanger well head structure side view.
FIG. 3 is a schematic structural diagram of the oil pipe hanger with the diameter of 60.3mm in the attached drawing.
FIG. 4 is a schematic structural diagram of the oil pipe hanger with the diameter of 101.6mm shown in the attached drawing.
Figure 1 is the utility model relates to an electric submersible pump double-pipe hanger well head device, include: BT sealing ring 1, grease injection valve 2, double-layer oil pipe four-way joint 3, flat valve 4-1, flat valve 4-2, flat valve 4-3, flat valve 4-4, screw thread flange 5-1, screw thread flange 5-2, screw thread flange 5-3, screw thread flange 5-4, pressure gauge component 6-1, pressure gauge component 6-2, tip jackscrew 7-1, tip jackscrew 7-2, sealing backing ring 8, conversion flange 9, connecting bolt 10, phi 60.3mm oil pipe hanger 11, round jackscrew 12-1, round jackscrew 12-2, O-shaped sealing ring 13-1, O-shaped sealing ring 13-2, rectangular sealing ring 14-1, rectangular sealing ring 14-2, support ring 15-1, support ring 15-2, splicing cap 16-1, splicing cap 16-2, control pipeline 17, phi 101.6mm oil pipe hanger 18 and cable-passing device 19.
Detailed Description
Two through holes are processed on the left side and the right side of a double-layer oil pipe four-way joint 3, a cable through hole and a control pipeline hole are processed on one side in the middle, a flat valve 4-4, a screw thread flange 5-4, a right flat valve 4-3, a screw thread flange 5-3 and a pressure gauge assembly 6-2 are installed on the left side of the upper layer of the double-layer oil pipe head four-way joint 3, a flat valve 4-2, a screw thread flange 5-2, a right flat valve 4-1, a screw thread flange 5-1 and a pressure gauge assembly 6-1 are installed on the left side of the upper layer, the flat valve 4-3 and the flat valve 4-4 on the upper layer play a role in drainage role, the flat valve 4-1 and the flat valve 4-2 on the two sides of the lower layer play a role in pressure test and fracturing, a BT sealing groove is processed on the inner side of a flange on the lower portion of the double-layer oil pipe head four-way joint 3 and used for placing a BT sealing ring 1 to contact with a sleeve, a grease injection valve 2 is installed on the periphery of a lower flange of the double-layer oil pipe head four-way joint 3, and grease is injected into the BT sealing groove through a grease injection valve, so that the BT sealing ring 1 tightly holds the outer wall of the sleeve to form a sealing structure; the cable traversing device 19 is connected with an electric submersible pump through a cable traversing hole of a double-layer large four-way joint 3, accumulated water in a well is pumped and drained, oil pipe threads of two oil pipe hangers are processed to be eccentric on the same side, copper plating treatment is carried out on the surfaces of the threads, sticking is prevented, a phi 101.6mm oil pipe hanger 18 is connected with a corresponding O-shaped sealing ring 13-1, a rectangular sealing ring 14-1, a supporting ring 15-1 and a splicing cap 16-1, a phi 60.3mm oil pipe hanger 11 is connected with a corresponding O-shaped sealing ring 13-2, a rectangular sealing ring 14-2, a supporting ring 15-2 and a splicing cap 16-2, the two oil pipe hangers are sequentially placed inside the double-layer oil pipe four-way joint, the phi 60.3mm oil pipe hanger 11 is connected with a phi 60.3mm oil pipe for gas production, the phi 101.6mm oil pipe hanger 18 is connected with a phi 101.6mm oil pipe for water drainage, one end of a control pipeline 17 traverses a side hole of the phi 101.6mm oil pipe hanger 18 and penetrates into the well, the control pipe hole of the double-layer oil pipe 3, the control valve is connected with a gas pressure gauge for observing pressure change outside the four-way joint; a jackscrew groove is processed at the middle position of a double-layer tubing head four-way joint 3 and the periphery of an upper flange, a jackscrew is screwed in the jackscrew groove under the action of external force, a sharp corner of a pointed jackscrew 12-2 tightly props a chamfer of a phi 101.6mm tubing hanger 18 to prevent the phi 101.6mm tubing hanger 18 from moving, a round head of a flat-head jackscrew 7-1 tightly props the right-angle groove of the phi 101.6mm tubing hanger 18 to fix the eccentric position of the phi 101.6mm tubing hanger 18, a sharp corner of the pointed jackscrew 12-1 tightly props the chamfer of the phi 60.3mm tubing hanger 11 to prevent the phi 60.3mm tubing hanger 11 from moving, a round head of the flat-head jackscrew 7-2 tightly props the right-angle groove of the phi 60.3mm tubing hanger 11 to fix the eccentric position of the phi 60.3mm tubing hanger 11, the lower end of a conversion flange 9 is connected with the upper end of the double-layer tubing head 3 through a bolt 10 and is sealed by a sealing gasket ring 8, a conversion sealing ring 9-O-type flange 9-O sealing ring can be connected with the upper end of the phi 60.3mm tubing hanger 11 to perform conversion operation, and a gas production tree flange 12-3 sealing ring to perform the operation.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. An electrical submersible pump dual tubing hanger wellhead assembly comprising: the device comprises a BT sealing ring, a grease injection valve, a double-layer oil pipe four-way joint, a flat valve, a screw thread flange, a pressure gauge component, a pointed top thread, a sealing gasket ring, a conversion flange, a connecting bolt, a phi 60.3mm oil pipe hanger, a round head top thread, an O-shaped sealing ring, a rectangular sealing ring, a supporting ring, a splicing cap, a control pipeline, a phi 101.6mm oil pipe hanger and a cable traversing device; the method is characterized in that: two through holes are processed on the left side and the right side of a double-layer oil pipe four-way joint, a cable penetrating hole and a control pipeline hole are processed on one side in the middle of the double-layer oil pipe four-way joint, flat valves, screw thread flanges and pressure gauge assemblies are sequentially installed on the left side and the right side of a double-layer oil pipe head four-way joint, the valves on the two sides of the upper layer play a role in drainage, the valves on the two sides of the lower layer play a role in pressure testing and fracturing, a BT sealing groove is processed on the inner side of a flange on the lower portion of the double-layer oil pipe head four-way joint and used for placing a BT sealing ring to be in contact with a sleeve, a grease injection valve is installed on the periphery of the lower flange of the double-layer oil pipe head four-way joint, sealing grease is injected into the BT sealing groove through the grease injection valve, and the BT sealing ring tightly holds the outer wall of the sleeve, and a sealing structure is formed.
2. The electrical submersible pump dual tubing hanger wellhead assembly of claim 1, wherein: the cable traversing device is connected with an electric submersible pump through a cable traversing hole of the double-layer large four-way, accumulated water in the well is pumped and drained, oil pipe threads of two oil pipe hangers are processed to be eccentric on the same side, the thread surfaces are plated with copper to prevent sticking, after being connected with an O-shaped sealing ring, a rectangular sealing ring, a supporting ring and a splicing cap, the oil pipe hangers with the diameter of 101.6mm and the oil pipe hangers with the diameter of 60.3mm are sequentially placed in the double-layer oil pipe four-way, the oil pipe hangers with the diameter of 60.3mm are connected with an oil pipe with the diameter of 60.3mm for gas production, the oil pipe hangers with the diameter of 101.6mm are connected with an oil pipe with the diameter of 101.6mm for water drainage, one end of a control pipeline penetrates through a side hole of the oil pipe hanger with the diameter of 101.6mm and extends into the well, and the other end of the control pipeline hole of the double-layer oil pipe four-way is connected with an external control valve and a pressure gauge for observing pressure change of gas in the well.
3. The electrical submersible pump dual tubing hanger wellhead assembly of claim 1, wherein: the middle position and the upper flange periphery of the double-layer tubing head four-way joint are processed with a jackscrew groove, a jackscrew is screwed in the jackscrew groove under the action of external force, the sharp corner of the sharp-end jackscrew tightly pushes against the chamfer of the tubing hanger to prevent the tubing hanger from moving, the round head of the flat-end jackscrew tightly pushes against the right-angle groove of the tubing hanger to fix the eccentric position of the tubing hanger, the lower end of a conversion flange is connected with the upper end of the double-layer tubing four-way joint through a bolt and is sealed by a sealing gasket ring, the inside of the conversion flange at the upper end of the phi 60.3mm tubing hanger is sealed by an O-shaped sealing ring, and a gas production tree is connected to the upper end of the conversion flange to carry out gas production operation.
4. The electrical submersible pump dual tubing hanger wellhead assembly of claim 1, wherein: the double-tube drainage gas production of the electric submersible pump is that two times of oil tubes are put into a sleeve of a well completion, one oil tube channel is taken into the well by the electric submersible pump, water is discharged at high lift, and the other small oil tube channel is used for accelerating the flow rate gas production.
5. The electrical submersible pump dual tubing hanger wellhead assembly of claim 1, wherein: the phi 101.6mm + phi 60.3mm concentric pipes are combined, a phi 60.3mm main channel is a gas production channel, the annular space between a phi 101.6mm oil pipe and a phi 60.3mm oil pipe is a liquid drainage channel, a cable channel is designed in the annular space formed by the phi 101.6mm oil pipe and a sleeve, the annular space is connected with the outside through the top of a wellhead device, a special cable penetrating device is designed at the lower part of the wellhead device and is connected with an electric submersible pump, and the sealing capacity is larger than 35MPa.
6. The electrical submersible pump dual tubing hanger wellhead assembly of claim 1, wherein: the electric submersible pump channel drains water, after a gas well is activated, accumulated water is drained through flat gate valves on two sides of the drainage channel along an oil pipe with the diameter of 101.6mm, gas is produced by using another oil pipe with the diameter of 60.3mm, the flow rate of the small oil pipe is high, accumulated water can be brought out partially, therefore, the gas well can be independently produced for 3 days, 5 days, 10 days or more, and after the gas well is flooded, the electric submersible pump is started again to drain water, so that the service life of the electric submersible pump is prolonged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222470524.XU CN218092945U (en) | 2022-09-11 | 2022-09-11 | Wellhead device of electric submersible pump double-pipe hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222470524.XU CN218092945U (en) | 2022-09-11 | 2022-09-11 | Wellhead device of electric submersible pump double-pipe hanger |
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| Publication Number | Publication Date |
|---|---|
| CN218092945U true CN218092945U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222470524.XU Active CN218092945U (en) | 2022-09-11 | 2022-09-11 | Wellhead device of electric submersible pump double-pipe hanger |
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| Country | Link |
|---|---|
| CN (1) | CN218092945U (en) |
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- 2022-09-11 CN CN202222470524.XU patent/CN218092945U/en active Active
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