CN113123751B - Thermal recovery wellhead assembly - Google Patents
Thermal recovery wellhead assembly Download PDFInfo
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- CN113123751B CN113123751B CN202110667901.6A CN202110667901A CN113123751B CN 113123751 B CN113123751 B CN 113123751B CN 202110667901 A CN202110667901 A CN 202110667901A CN 113123751 B CN113123751 B CN 113123751B
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- fixedly connected
- pipe
- oil
- middle position
- bottom plate
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- 238000011084 recovery Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000005086 pumping Methods 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 239000000110 cooling liquid Substances 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 57
- 239000002826 coolant Substances 0.000 description 9
- 239000010779 crude oil Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/16—Control means therefor being outside the borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a thermal recovery wellhead device, and relates to the technical field of mechanical oil recovery equipment. The thermal recovery wellhead device comprises a bottom plate, wherein an oil pumping pipe is arranged at the middle position of the top of the bottom plate, an oil outlet pipe is penetrated and fixedly connected at the middle position of the top of a top cover, a cooling ring is fixedly connected to the outer wall of the periphery of the oil pumping pipe, and a pressure relief pipe is penetrated and fixedly connected at the middle position of the left side of the oil pumping pipe. Make the nut pair move on the lead screw through first motor work, drive the pneumatic cylinder and remove along the linear slide rail direction, make stop collar on the rolling disc and dead lever on the valve be in on the same water flat line, pneumatic cylinder work makes stop collar remove and the dead lever is in on the same height, electric putter work promotes the second motor and removes afterwards, make the dead lever insert in the stop collar, second motor work drives the rolling disc and rotates, thereby make the valve rotate, need not artifical the rotation, workman's working strength has been reduced, be worth wideling popularize.
Description
Technical Field
The invention relates to the technical field of mechanical oil extraction equipment, in particular to a thermal recovery wellhead device.
Background
Thermal recovery is to heat an oil reservoir which is difficult to recover under normal conditions underground by a manual heating method so that crude oil can be recovered, thereby improving the recovery ratio, and an oil well developed by thermal recovery is called a thermal recovery well.
Chinese patent 200910011615.3 discloses an injection-production-measurement multi-tubular-column thermal production wellhead device, which is composed of a casing flange, a tubing head four-way, a casing valve, a hanger, a thick flange main body, a hanging seal assembly, a tubing head reducing joint, a production tree, and a steam injection valve: the sleeve flange and the oil pipe head four-way joint, the oil pipe head four-way joint and the sleeve valve are connected through bolts, the hanger seat is arranged in the oil pipe head four-way joint, and the hanging sealing assembly seat is fixed in the thick flange main body through jackscrews. The thermal recovery well head of this patent is at the during operation, can't detect intraductal pressure, can't carry out the pressure release when oil pipe internal pressure is too big, leads to the high pressure to influence oil pipe's life to because the high temperature of crude oil also can influence oil pipe's life when thermal recovery, can't cool down oil pipe, valve on the well head needs the manual work to rotate very much the circle when closing or opening simultaneously, uses very inconveniently.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a thermal recovery wellhead device, which solves the problem that the existing thermal recovery wellhead does not release pressure and cool an oil pipe.
In order to achieve the purpose, the invention is realized by the following technical scheme: thermal recovery wellhead assembly, comprising a base plate, bottom plate top intermediate position is provided with takes out oil pipe, it is provided with the top cap to pump out oil pipe top, top cap bottom external diameter and the equal fixedly connected with top mounting flange of the equal external diameter of oil pipe bottom, pump out oil pipe top external diameter and bottom plate intermediate position run through and equal fixedly connected with bottom mounting flange, bottom mounting flange bottom fixedly connected with evenly distributed's fixation nut around, adjacent two run through and be provided with evenly distributed's fixation bolt and fixation bolt respectively with fixation nut between threaded connection between top mounting flange and the bottom mounting flange, top cap top intermediate position runs through and fixedly connected with goes out oil pipe, be provided with control flap on the play oil pipe front end intermediate position, take out oil pipe fixedly connected with cooling ring on the outer wall all around.
Preferably, bottom plate top right side intermediate position fixedly connected with coolant tank, the first water pump of fixedly connected with runs through coolant tank left side bottom, the cooling ring is run through to the delivery port fixedly connected with inlet tube and the inlet tube one end of first water pump, cooling ring front end bottom intermediate position runs through and fixedly connected with second water pump, the delivery port fixedly connected with back flow and back flow one end of second water pump run through and with coolant tank top intermediate position between fixed connection.
Preferably, the oil pumping pipe left side intermediate position runs through and fixedly connected with pressure release pipe and pressure release pipe run through the cooling ring, pressure release pipe one end runs through and fixedly connected with batch oil tank and batch oil tank fixed connection on bottom plate top left side intermediate position.
Preferably, the front end of the left side of the top of the bottom plate is fixedly connected with a first motor, the right side of the first motor is fixedly connected with a linear slide rail, the linear slide rail is fixedly connected with the top of the bottom plate, the output end of the first motor penetrates through the linear slide rail and is fixedly connected with a screw rod, the right end of the screw rod is rotatably connected on the inner wall of the right side of the linear slide rail, the screw rod is in threaded connection with a nut pair which is in sliding connection in the linear slide rail, the top of the nut pair penetrates through the linear slide rail and is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is provided with a hydraulic rod, the top end of the hydraulic rod is fixedly connected with a fixed block, the fixed block is in an inverted L shape, the rear end of the fixing block is fixedly connected with an electric push rod, the rear end of the electric push rod is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a rotating disc, and the middle position of the top of the rear end of the rotating disc is fixedly connected with a limiting sleeve.
Preferably, the bottoms of the front ends of the control valve and the pressure release valve are fixedly connected with fixing rods.
Preferably, the controller is fixedly connected to the front end of the right side of the top of the bottom plate, the pressure sensor is fixedly connected to the inner wall of the middle position of the rear end of the oil pumping pipe, the pressure sensor is electrically connected with the controller, and the temperature sensor is fixedly connected to the inner wall of the middle position of the right side of the oil pumping pipe, the temperature sensor is electrically connected with the controller.
Preferably, the controller is electrically connected with the first water pump and the second water pump respectively.
Preferably, the fixing rods are connected in a sliding manner in the limiting sleeve.
The working principle is as follows: the screw rod is driven to rotate by the work of the first motor, the nut pair is driven to move on the screw rod, the hydraulic cylinder is driven to move along the direction of the linear slide rail by the nut pair, the limit sleeve on the rotary disc and the fixed rod on the valve are positioned on the same horizontal line, the hydraulic cylinder is driven to extend by the work of the hydraulic rod to drive the limit sleeve to move, the limit sleeve and the fixed rod are positioned at the same height, then the electric push rod is driven to move by the work of the electric push rod, the fixed rod is inserted into the limit sleeve, the rotary disc is driven to rotate by the work of the second motor, the fixed rod is driven to rotate by the limit sleeve, so that the valve is rotated, the valves at different positions can be rotated by adjusting the position of the limit sleeve, the pressure inside the oil pumping pipe can be detected by the pressure sensor, when the pressure is overlarge, the pressure relief pipe is communicated by the rotation, crude oil flows into the oil storage tank through the pressure relief valve under the pressure effect to be stored, close the relief valve again after pressure recovery, avoid pumping the intraductal pressure of oil and lead to leaking excessively, through the inside temperature of temperature sensor detectable oil pipe, when the temperature is higher, in the coolant liquid of first water pump work with the coolant liquid incasement was pumped into the cooling ring through the inlet tube, cool down to pumping oil pipe through the cooling ring, avoid the high temperature influence of crude oil to take out oil pipe's life, the work of second water pump simultaneously, take out the coolant liquid in the cooling ring through the back flow and flow back entering coolant liquid incasement, realize coolant liquid recycling.
The invention provides a thermal production wellhead assembly. The method has the following beneficial effects:
1. the first motor works to drive the screw rod to rotate, so that the nut pair moves on the screw rod, the nut pair drives the hydraulic cylinder to move along the direction of the linear slide rail, the limiting sleeve on the rotary disc and the fixed rod on the valve are positioned on the same horizontal line, the hydraulic cylinder works to extend the hydraulic rod to drive the limiting sleeve to move, the limiting sleeve and the fixed rod are positioned at the same height, then the electric push rod works to push the second motor to move, the fixed rod is inserted into the limiting sleeve, the second motor works to drive the rotary disc to rotate, the fixed rod is driven to rotate through the limiting sleeve, the valve is rotated, the position of the limiting sleeve is adjusted to rotate the valves at different positions, manual rotation is not needed, the labor intensity of workers is reduced, and the use is more convenient.
2. The pressure sensor can detect the pressure inside the oil pumping pipe, when the pressure is too high, the pressure relief valve is rotated to enable the pressure relief pipe to be communicated, crude oil flows into the oil storage tank through the pressure relief pipe under the action of the pressure to be stored, and the pressure relief valve is closed after the pressure is recovered, so that the leakage caused by the too high pressure inside the oil pumping pipe is avoided, and the service life of the oil pumping pipe is prolonged.
3. The temperature sensor can detect the temperature inside the oil pipe, when the temperature is higher, the first water pump works to pump the cooling liquid in the cooling liquid tank into the cooling ring through the water inlet pipe, the oil pumping pipe is cooled through the cooling ring, the service life of the oil pumping pipe is prevented from being influenced by the high temperature of crude oil, meanwhile, the second water pump works to pump the cooling liquid in the cooling ring out through the return pipe and return the cooling liquid into the cooling liquid tank, the recycling of the cooling liquid is realized, and the waste of the cooling liquid is reduced.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a side perspective view of the present invention;
FIG. 3 is an exploded view of the sucker rod of the present invention;
FIG. 4 is an exploded view of the reservoir of the present invention;
FIG. 5 is a schematic view of the sucker rod structure of the present invention.
Wherein, 1, a bottom plate; 2. a controller; 3. a first motor; 4. a linear slide rail; 5. a cooling ring; 6. a top cover; 7. an oil outlet pipe; 8. a control valve; 9. fixing the rod; 10. a pressure relief pipe; 11. an oil storage tank; 12. a first water pump; 13. a water inlet pipe; 14. a return pipe; 15. a second water pump; 16. a nut pair; 17. a screw rod; 18. a top fixed flange; 19. a bottom fixed flange; 20. fixing the bolt; 21. an oil pumping pipe; 22. a pressure sensor; 23. a hydraulic cylinder; 24. a hydraulic lever; 25. a fixed block; 26. an electric push rod; 27. a second motor; 28. rotating the disc; 29. a limiting sleeve; 30. a pressure relief valve; 31. fixing a nut; 32. a coolant tank; 33. a temperature sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 5, an embodiment of the invention provides a thermal production wellhead device, which includes a bottom plate 1, an oil pumping pipe 21 is arranged at a middle position of a top of the bottom plate 1, a top cover 6 is arranged at a top of the oil pumping pipe 21, a top fixing flange 18 is fixedly connected to an outer diameter of a bottom of the top cover 6 and an outer diameter of a bottom of the oil pumping pipe 21, a bottom fixing flange 19 is fixedly connected to an outer diameter of a top of the oil pumping pipe 21 and a middle position of the bottom plate 1 in a penetrating manner, fixing nuts 31 are uniformly distributed and fixedly connected to a periphery of the bottom fixing flange 19, fixing bolts 20 are uniformly distributed and penetrate between two adjacent top fixing flanges 18 and bottom fixing flanges 19, the fixing bolts 20 are respectively in threaded connection with the fixing nuts 31, an oil outlet pipe 7 is fixedly connected to a middle position of a top of the top cover 6 in a penetrating manner, a control valve 8 is arranged at a middle position of a front end of the oil outlet pipe 7, and a cooling ring 5 is fixedly connected to an outer wall of a periphery of the oil pumping pipe 21.
A cooling liquid tank 32 is fixedly connected to the middle position of the right side of the top of the bottom plate 1, a first water pump 12 is fixedly connected to the bottom of the left side of the cooling liquid tank 32 in a penetrating manner, a water inlet pipe 13 is fixedly connected to a water outlet of the first water pump 12, one end of the water inlet pipe 13 penetrates through the cooling ring 5, a second water pump 15 is fixedly connected to the middle position of the bottom of the front end of the cooling ring 5 in a penetrating manner, a return pipe 14 is fixedly connected to a water outlet of the second water pump 15, one end of the return pipe 14 penetrates through and is fixedly connected with the middle position of the top of the cooling liquid tank 32, the temperature inside the oil pumping pipe 21 can be detected through a temperature sensor 33, when the temperature is high, the first water pump 12 works to pump the cooling liquid in the cooling liquid tank 32 into the cooling ring 5 through the water inlet pipe 13, the oil pumping pipe 21 is cooled through the cooling ring 5, the service life of the oil pumping pipe 21 is prevented from being affected by the high temperature of crude oil, meanwhile, the second water pump 15 works to pump the cooling liquid in the cooling ring 5 to pump out the return liquid to flow to enter the cooling liquid tank 32 through the return pipe 14, the cooling liquid is recycled, and the waste of the cooling liquid is reduced.
The middle position of oil pumping pipe 21 left side runs through and fixedly connected with pressure release pipe 10 and pressure release pipe 10 runs through cooling ring 5, pressure release pipe 10 one end runs through and fixedly connected with batch oil tank 11 and batch oil tank 11 fixed connection on 1 top left side middle position of bottom plate, through the inside pressure size of oil pumping pipe 21 of pressure sensor 22 detectable, when pressure is too big, rotation relief valve 30 makes pressure release pipe 10 link up, crude oil flows into batch oil tank 11 through pressure release pipe 10 and stores under the pressure effect, close relief valve 30 again after the pressure recovery, avoid oil pumping pipe 21 internal pressure too big to lead to leaking, oil pumping pipe 21's life has been improved.
The front end of the left side of the top of the bottom plate 1 is fixedly connected with a first motor 3, the right side of the first motor 3 is fixedly connected with a linear slide rail 4, the linear slide rail 4 is fixedly connected with the top of the bottom plate 1, the output end of the first motor 3 penetrates through the linear slide rail 4 and is fixedly connected with a lead screw 17, the right end of the lead screw 17 is rotatably connected with the inner wall of the right side of the linear slide rail 4, a nut pair 16 is connected with the lead screw 17 in a threaded manner, the nut pair 16 is slidably connected in the linear slide rail 4, the top of the nut pair 16 penetrates through the linear slide rail 4 and is fixedly connected with a hydraulic cylinder 23, the output end of the hydraulic cylinder 23 is provided with a hydraulic rod 24, the top end of the hydraulic rod 24 is fixedly connected with a fixed block 25, the fixed block 25 is inverted L-shaped, the rear end of the fixed block 25 is fixedly connected with an electric push rod 26, the rear end of the electric push rod 26 is fixedly connected with a second motor 27, the output end of the second motor 27 is fixedly connected with a rotating disc 28, and the middle position of the top of the rear end of the rotating disc 28 is fixedly connected with a limit sleeve 29, work through first motor 3 drives lead screw 17 and rotates, make nut pair 16 remove on lead screw 17, it removes along 4 directions of linear slide rail to drive pneumatic cylinder 23 through nut pair 16, make stop collar 29 on rolling disc 28 and the dead lever 9 on the valve be in on the same water flat line, pneumatic cylinder 23 work makes 24 extensions of hydraulic stem drive stop collar 29 and remove, make stop collar 29 and dead lever 9 be in on the same height, electric putter 26 work promotes second motor 27 and removes afterwards, make dead lever 9 insert in the stop collar 29, second motor 27 work drives rolling disc 28 and rotates, it rotates to drive dead lever 9 through stop collar 29, thereby make the valve rotate, the position of adjusting stop collar 29 can rotate the valve of different positions, need not artifically rotate, workman's working strength has been reduced, it is more convenient to use.
The control valve 8 and the pressure release valve 30 are fixedly connected with a fixed rod 9 at the bottom of the front ends.
The controller 2 is fixedly connected to the front end of the right side of the top of the bottom plate 1, the pressure sensor 22 is fixedly connected to the inner wall of the middle position of the rear end of the oil pumping pipe 21, the pressure sensor 22 is electrically connected with the controller 2, and the temperature sensor 33 is fixedly connected to the inner wall of the middle position of the right side of the oil pumping pipe 21, and the temperature sensor 33 is electrically connected with the controller 2.
The controller 2 is electrically connected with the first water pump 12 and the second water pump 15 respectively.
The fixing rods 9 are all connected in a sliding way in the limiting sleeve 29.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. Thermal recovery wellhead assembly, including bottom plate (1), its characterized in that: an oil pumping pipe (21) is arranged at the middle position of the top of the bottom plate (1), a top cover (6) is arranged at the top of the oil pumping pipe (21), the outer diameter of the bottom of the top cover (6) and the outer diameter of the bottom of the oil pumping pipe (21) are both fixedly connected with a top fixing flange (18), the outer diameter of the top of the oil pumping pipe (21) and the middle position of the bottom plate (1) are both fixedly connected with a bottom fixing flange (19), fixing nuts (31) which are uniformly distributed are fixedly connected to the periphery of the bottom fixing flange (19), fixing bolts (20) which are uniformly distributed penetrate through and are arranged between every two adjacent top fixing flanges (18) and the bottom fixing flanges (19), the fixing bolts (20) are respectively in threaded connection with the fixing nuts (31), an oil outlet pipe (7) penetrates through and is fixedly connected to the middle position of the top cover (6), and a control valve (8) is arranged at the middle position of the front end of the oil outlet pipe (7), the cooling ring (5) is fixedly connected to the outer wall of the periphery of the oil pumping pipe (21), the cooling liquid tank (32) is fixedly connected to the middle position of the right side of the top of the bottom plate (1), the first water pump (12) penetrates through and is fixedly connected to the bottom of the left side of the cooling liquid tank (32), the water outlet of the first water pump (12) is fixedly connected to the water inlet pipe (13) and one end of the water inlet pipe (13) penetrates through the cooling ring (5), the second water pump (15) penetrates through and is fixedly connected to the middle position of the bottom of the front end of the cooling ring (5), the water outlet of the second water pump (15) is fixedly connected to the backflow pipe (14) and one end of the backflow pipe (14) penetrates through and is fixedly connected to the middle position of the top of the cooling liquid tank (32), the pressure relief pipe (10) penetrates through and is fixedly connected to the middle position of the left side of the oil pumping pipe (21) and the pressure relief pipe (10) penetrates through the cooling ring (5), the pressure relief pipe (10) is characterized in that one end of the pressure relief pipe (10) penetrates through and is fixedly connected with an oil storage tank (11) and the oil storage tank (11) is fixedly connected with the middle position of the left side of the top of the bottom plate (1), the front end of the left side of the top of the bottom plate (1) is fixedly connected with a first motor (3), the right side of the first motor (3) is fixedly connected with a linear slide rail (4) and the linear slide rail (4) is fixedly connected with the top of the bottom plate (1), the output end of the first motor (3) penetrates through the linear slide rail (4) and is fixedly connected with a lead screw (17), the right end of the lead screw (17) is rotatably connected with the inner wall of the right side of the linear slide rail (4), a nut pair (16) and a nut pair (16) are in sliding connection in the linear slide rail (4) in the lead screw (17), the top of the nut pair (16) penetrates through the linear slide rail (4) and is fixedly connected with a hydraulic cylinder (23), the output end of the hydraulic cylinder (23) is provided with a hydraulic rod (24), the hydraulic stem (24) top fixedly connected with fixed block (25) and the shape of fixed block (25) are for falling L shape, fixed block (25) rear end fixedly connected with electric putter (26), electric putter (26) rear end fixedly connected with second motor (27), the output fixedly connected with rolling disc (28) of second motor (27), intermediate position fixedly connected with stop collar (29) in rolling disc (28) rear end top, control flap (8) and relief valve (30) front end bottom equal fixedly connected with dead lever (9), bottom plate (1) top right side front end fixedly connected with controller (2), take out on oil pipe (21) rear end intermediate position inner wall fixedly connected with pressure sensor (22) and between pressure sensor (22) and controller (2), take out on oil pipe (21) right side intermediate position inner wall fixedly connected with temperature sensor (33) and control The devices (2) are electrically connected.
2. The thermal recovery wellhead assembly of claim 1, wherein: the controller (2) is electrically connected with the first water pump (12) and the second water pump (15) respectively.
3. The thermal recovery wellhead assembly of claim 1, wherein: the fixing rods (9) are all connected in a limiting sleeve (29) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110667901.6A CN113123751B (en) | 2021-06-16 | 2021-06-16 | Thermal recovery wellhead assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110667901.6A CN113123751B (en) | 2021-06-16 | 2021-06-16 | Thermal recovery wellhead assembly |
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| CN113123751A CN113123751A (en) | 2021-07-16 |
| CN113123751B true CN113123751B (en) | 2021-09-17 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114592817B (en) * | 2022-02-23 | 2023-03-24 | 江苏腾龙石化机械有限公司 | Pressure relief type petroleum well head |
| CN114508318B (en) * | 2022-02-23 | 2022-12-02 | 江苏腾龙石化机械有限公司 | Assembled petroleum well head |
| CN117248849B (en) * | 2023-11-16 | 2024-04-16 | 江苏苏盐阀门机械有限公司 | Fracturing gas production wellhead |
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