CN117027723B - High-performance pressure control wellhead device - Google Patents
High-performance pressure control wellhead device Download PDFInfo
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- CN117027723B CN117027723B CN202311265350.6A CN202311265350A CN117027723B CN 117027723 B CN117027723 B CN 117027723B CN 202311265350 A CN202311265350 A CN 202311265350A CN 117027723 B CN117027723 B CN 117027723B
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- assembly
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims description 21
- 239000003208 petroleum Substances 0.000 claims description 20
- 230000002195 synergetic effect Effects 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 10
- 239000003129 oil well Substances 0.000 abstract description 6
- 238000007711 solidification Methods 0.000 abstract description 5
- 230000008023 solidification Effects 0.000 abstract description 5
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 241000191291 Abies alba Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007569 slipcasting Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
The invention discloses a high-performance pressure control wellhead device, which relates to the technical field of wellhead devices, and comprises a stabilizing mechanism, wherein the stabilizing mechanism is arranged above the ground, the top of the stabilizing mechanism is fixedly connected with a sliding guide cylinder, and an oil exploitation machine drives a sliding rod to slide up and down on the inner side surface of the sliding guide cylinder; the anti-deflection device comprises a stabilizing plate, wherein the bottom of the stabilizing plate is fixedly connected with the ground, the inner side surface of the stabilizing plate is fixedly connected with an oil suction cylinder, and the surface of the oil suction cylinder is fixedly connected with an anti-deflection assembly. This high performance accuse pressure formula wellhead assembly, the below position on screw rod's bottom screw in ground for firm board carries out fixed connection with ground, prevents the below position on skew subassembly embedding ground, utilizes the resistance of soil to fight the ascending impact force of oil, and the inside of synergy subassembly lets in the concrete mud, makes the structure on ground more insensible after the mud solidification, has solved the oil well wellhead and has scurry the problem that leads to oil pipe pipeline to be split and oil gas to reveal.
Description
Technical Field
The invention relates to the technical field of wellhead devices, in particular to a high-performance pressure control type wellhead device.
Background
In the petroleum exploitation process, a wellhead device of a christmas tree is often adopted for controlling and regulating the production of oil gas, wherein the sealing of the christmas tree affects the smooth progress of production work, reduces the efficiency of the oil exploitation work, the sealing mode of the wellhead sealing device is single, the phenomenon of oil leakage in the oil extraction process is easy to occur, the environment is polluted, the waste of energy is also caused, the sealing effect is reduced, great inconvenience is brought to users, the position of a supporting rod of the conventional petroleum exploitation wellhead back pressure control device is fixed when the conventional petroleum exploitation wellhead back pressure control device is used, when the ground flatness after connection does not meet the requirement of supporting, the supporting rod is required to be filled up manually, is not protected by buffering, is subjected to vibration extrusion for a long time, is easy to deform, shortens the service life of the sealing device, the connection and fixation of the wellhead device adopt flange threaded connection, a circle of bolts are troublesome to install, the operation amount is large, the working efficiency is reduced, meanwhile, the flange connectors are more, oil is easy to enter, so that cleaning is troublesome, the next connection and use are affected, the use requirements of modern people are not met, in the oilfield production process, the oil layer casing is easy to move upwards due to factors such as temperature and pressure change of stratum, incomplete well cementation and the like, and then the large four-way device, the christmas tree and other devices or parts which are connected with the upper end of the oil layer casing and are located at the wellhead are moved upwards, the oil well wellhead is moved upwards for short, the oil pipe line is pulled apart, the sealing device of the oil well wellhead is also worn, oil gas leakage is caused, and safety problems such as fire disaster and environmental pollution are further caused.
The existing high-performance pressure control type wellhead device has the problems that oil pipe lines are pulled to crack and oil gas leaks due to structural design defects when an oil well wellhead is up-fleed, and how to adjust the pressure of oil flowing out so as to prevent leakage caused by rapid oil spraying.
Disclosure of Invention
The present invention provides a high performance pressure control wellhead assembly that addresses the problems noted in the background above.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a high performance pressure control wellhead assembly comprising
The top end of the sliding rod is fixedly connected with a lifting ring, the bottom end of the sliding rod is fixedly connected with a plunger block, and the lifting ring is fixedly connected with the output end of the petroleum exploitation machine;
the oil exploitation machine drives the sliding rod to slide up and down on the inner side surface of the sliding guide cylinder; the anti-deflection device comprises a stabilizing plate, wherein the bottom of the stabilizing plate is fixedly connected with the ground, the inner side surface of the stabilizing plate is fixedly connected with an oil absorption cylinder, the surface of the oil absorption cylinder is fixedly connected with an anti-deflection assembly, the surface of the stabilizing plate is fixedly connected with a synergistic assembly, and the anti-deflection assembly extends to the position below the ground;
the adjusting mechanism is arranged above the stabilizing plate, the movement of the plunger block guides the petroleum at the position below the ground to the inside of the oil suction cylinder, the bottom of the adjusting mechanism is communicated with the inside of the oil suction cylinder, the petroleum enters the inside of the adjusting mechanism, the oil pressure is regulated by the regulating mechanism, the synergistic component is buried in the position below the ground, the anti-deflection component rotates downwards by means of external force, the anti-deflection component is tightly connected with the ground, and then the oil suction cylinder, the stabilizing plate and the inner side face of the anti-deflection component are fixedly connected.
Preferably, the upper position of the inner side surface of the oil absorption cylinder is fixedly connected with an oil guide pipe, the synergistic assembly is arranged at the lower position of the ground, and the position, close to the edge, of the surface of the stabilizing plate is fixedly connected with a threaded rod.
Preferably, the anti-deflection assembly comprises a bottom plate, the bottom plate is arranged at the lower position of the ground, the inner side surface of the bottom plate is fixedly connected with the lower position of the surface of the oil absorption cylinder, the extension pipe and the bottom plate are buried at the lower position of the ground, soil is reset, the first spiral sheet is screwed into the lower position of the ground after the soil is compacted, the bottom end of the first spiral sheet extends to the inner side surface of the connecting block to limit, and the second spiral sheet is screwed into the lower position of the ground.
Preferably, the top of bottom plate fixedly connected with connecting block, the medial surface of connecting block is fixedly connected with first flight and second flight respectively, the spiral direction of first flight and second flight is opposite.
Preferably, the synergistic assembly comprises an extension pipe, wherein the upper position of the surface of the extension pipe is fixedly connected with the position, close to the edge, of the surface of the stabilizing plate, and the bottom end of the extension pipe is fixedly connected with a buried plate.
Preferably, the cavity is offered to the inside of burying the board, the slip casting hole has been seted up to the surface of burying the board, the cavity communicates with the inside of extension pipe, and the inside of synergy subassembly lets in concrete mud, and after the mud solidification, earth ground will prevent deflection subassembly and oil absorption section of thick bamboo cladding fixedly, and the output of oil development machine drives the slide bar and reciprocates, and the plunger piece makes the inside of oil absorption section of thick bamboo produce the negative pressure.
Preferably, the adjusting mechanism comprises a lifting assembly, the bottom of the lifting assembly is fixedly connected with the upper position of the inner side surface of the oil absorption cylinder, and a connecting assembly is fixedly connected with the upper position of the surface of the lifting assembly.
Preferably, the top fixedly connected with of guide slide section of thick bamboo drives equipment, the output fixedly connected with lead screw of drive equipment, lifting unit's surface fixedly connected with ooff valve.
Preferably, the lifting assembly comprises an oil outlet pipe, the surface of the oil outlet pipe is fixedly connected with the upper position of the inner side surface of the oil suction cylinder, a spiral pipe is fixedly connected with the surface of the oil outlet pipe, the bottom end of the oil outlet pipe extends to the inner side surface of the oil suction cylinder, petroleum is guided to the inner side surface of the oil suction cylinder, the surface pressure pushes the petroleum to flush into the spiral pipe, and the petroleum flows to the inner side of the communicating pipe.
Preferably, the surface fixedly connected with metal sleeve of spiral pipe, one side that the metal sleeve kept away from the spiral pipe fixedly connected with communicating pipe, the quantity of communicating pipe is provided with a plurality of.
Preferably, the connecting assembly comprises a threaded cylinder, the internal thread has been seted up to the medial surface of threaded cylinder, the medial surface of threaded cylinder is connected with the surface of lead screw through the internal thread, the bottom of lead screw rotates and is connected with the supporting shoe, and the spiral pipe is driven when upwards moving, and the sliding block is upwards sliding at the surface of leading the smooth cylinder, and the pitch of spiral pipe increases, and oil passes through the oil outlet pipe and gets into the spiral pipe, and metal sleeve connects the position between spiral pipe and communicating pipe, effectively prevents that junction oil from washing away and causing damaged revealing.
Preferably, the surface of the threaded cylinder is fixedly connected with a sliding block, the surface of the sliding block is fixedly connected with a connecting plate, and the surface of the connecting plate is fixedly connected with the upper position of the surface of the spiral pipe.
The invention provides a high-performance pressure control wellhead device. The beneficial effects are as follows:
1. this high performance accuse pressure formula wellhead assembly, the below position on screw rod's bottom screw in ground for firm board carries out fixed connection with ground, prevents the below position on skew subassembly embedding ground, utilizes the resistance of soil to fight the ascending impact force of oil, and the inside of synergy subassembly lets in the concrete mud, makes the structure on ground more insensible after the mud solidification, has solved the oil well wellhead and has scurry the problem that leads to oil pipe pipeline to be split and oil gas to reveal.
2. This high performance accuse pressure formula wellhead assembly, dislocation set between first flight and the second flight, simultaneously, flight and earth in close contact, the inside of extension pipe lets in concrete slurry, and concrete slurry flows into the inside on ground through the slip casting hole, and the clearance between flight and the earth is filled to the slurry, and after the slurry solidification, first flight and second flight carry out firm support to the device.
3. This high performance accuse pressure formula wellhead assembly, oil are attracted to the inside of inhaling the oil drum, and oil gets into lifting unit's inside through leading oil pipe, and drive equipment drives the lead screw rotation, and the lead screw passes through screw thread lift and drives coupling assembling and move downwards or upwards to adjust lifting unit to the resistance size of oil flow, thereby solved how to adjust the pressure of oil outflow and prevent that the quick blowout of oil from causing the problem of revealing.
4. This high performance accuse pressure formula wellhead assembly, when the ooff valve open state, the oil flows out through communicating pipe and collects, and when the oil pressure was too big, the top and the connecting plate of spiral pipe carried out fixed connection, and drive equipment drives the lead screw and rotate, and the supporting shoe makes more stable when the lead screw is rotatory, and the screw thread section of thick bamboo is driven by the screw thread and moves down, and the pitch of spiral pipe reduces, and the flow resistance of oil increases to adjust the flow rate of oil.
5. This high performance accuse pressure formula wellhead assembly, extension pipe are to the inside injection mud of burying the board, and the cavity is filled to mud and flow into the inside on ground through the slip casting hole, makes the position of burying the board be difficult for changing after the mud solidification, and when oil was pushed upwards by the earth's surface pressure, the slowing down of oil velocity of flow can prevent effectively that oil blowout pressure is too big, simultaneously, buries the firm of board and also can avoid the spiral pipe to scurry impaired.
Drawings
FIG. 1 is a perspective view of the top of the high performance pressure control wellhead assembly of the present invention;
FIG. 2 is a perspective view of the entire bottom of the high performance pressure control wellhead of the present invention;
FIG. 3 is a schematic view of the stabilizing mechanism of the present invention;
FIG. 4 is a schematic view of the anti-deflection assembly of the present invention;
FIG. 5 is a schematic structural view of the synergistic assembly of the present invention;
FIG. 6 is a schematic view of the structure of the adjusting mechanism of the present invention;
FIG. 7 is a schematic view of a lifting assembly according to the present invention;
fig. 8 is a schematic structural view of the connecting assembly of the present invention.
In the figure: 1. a stabilizing mechanism; 11. a stabilizing plate; 12. a threaded rod; 13. an oil suction cylinder; 14. an oil guide pipe; 15. an anti-skew assembly; 151. a bottom plate; 152. a connecting block; 153. a first flight; 154. a second flight; 16. a synergy component; 161. an extension tube; 162. a buried plate; 163. a cavity; 164. grouting holes; 2. a slide guiding cylinder; 3. an adjusting mechanism; 31. a lifting assembly; 311. an oil outlet pipe; 312. a spiral tube; 313. a metal sleeve; 314. a communicating pipe; 32. a connection assembly; 321. a thread cylinder; 322. a sliding block; 323. a connecting plate; 33. driving equipment; 34. a screw rod; 35. a support block; 36. a switch valve; 4. a slide bar; 5. a hanging ring; 6. and a plunger block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-3, the present invention provides a technical solution: a high performance pressure control wellhead assembly comprising
The sliding rod 4, the top end of the sliding rod 4 is fixedly connected with a hanging ring 5, the bottom end of the sliding rod 4 is fixedly connected with a plunger block 6, and the hanging ring 5 is fixedly connected with the output end of the petroleum exploitation machine;
the stabilizing mechanism 1 is arranged above the ground, the top of the stabilizing mechanism 1 is fixedly connected with the guide slide cylinder 2, and the petroleum exploitation machine drives the slide rod 4 to slide up and down on the inner side surface of the guide slide cylinder 2; the anti-deflection device comprises a stabilizing plate 11, wherein the bottom of the stabilizing plate 11 is fixedly connected with the ground, the inner side surface of the stabilizing plate 11 is fixedly connected with an oil suction cylinder 13, the surface of the oil suction cylinder 13 is fixedly connected with an anti-deflection assembly 15, the surface of the stabilizing plate 11 is fixedly connected with a synergistic assembly 16, and the anti-deflection assembly 15 extends to the position below the ground;
the upper position of the inner side surface of the oil suction cylinder 13 is fixedly connected with an oil guide pipe 14, the synergistic assembly 16 is arranged below the ground, and the position, close to the edge, of the surface of the stabilizing plate 11 is fixedly connected with a threaded rod 12;
the regulating mechanism 3 is arranged above the stabilizing plate 11, the plunger block 6 moves to guide oil at the position below the ground to the inside of the oil absorption cylinder 13, the bottom of the regulating mechanism 3 is communicated with the inside of the oil absorption cylinder 13, the oil enters the inside of the regulating mechanism 3, and the regulating mechanism 3 regulates the pressure of the oil.
When in use, the synergy component 16 is buried in the lower position of the ground, the anti-deflection component 15 rotates downwards by external force, so that the anti-deflection component 15 is tightly connected with the ground, then the oil suction cylinder 13 and the stabilizing plate 11 are fixedly connected with the inner side surface of the anti-deflection component 15, the bottom end of the threaded rod 12 is screwed into the lower position of the ground, the stabilizing plate 11 is fixedly connected with the ground, the anti-deflection assembly 15 is embedded into the lower position of the ground, the upward impact force of petroleum is resisted by using the resistance of the soil, the concrete slurry is introduced into the synergistic assembly 16, the ground structure is more compact after the slurry is solidified, and the problems of oil pipe line pulling crack and oil gas leakage caused by upward channeling of an oil well wellhead are solved.
As shown in fig. 3, 4 and 5, the anti-deflection assembly 15 includes a bottom plate 151, the bottom plate 151 is disposed at a position below the ground, an inner side surface of the bottom plate 151 is fixedly connected with a position below the surface of the oil suction cylinder 13, a top of the bottom plate 151 is fixedly connected with a connecting block 152, an inner side surface of the connecting block 152 is fixedly connected with a first spiral piece 153 and a second spiral piece 154 respectively, spiral directions of the first spiral piece 153 and the second spiral piece 154 are opposite, the synergistic assembly 16 includes an extension pipe 161, a position above the surface of the extension pipe 161 is fixedly connected with a position near the edge of the surface of the stabilizing plate 11, a bottom end fixedly connected with a buried plate 162 of the extension pipe 161, a cavity 163 is formed inside the buried plate 162, a grouting hole 164 is formed in the surface of the buried plate 162, and the cavity 163 is communicated with the inside of the extension pipe 161.
When the device is used, the extension pipe 161 and the bottom plate 151 are buried at the lower position of the ground, soil is reset later, after the soil is compacted, the first spiral piece 153 is screwed into the lower position of the ground, the bottom end of the first spiral piece 153 extends to the inner side surface of the connecting block 152 to limit, the second spiral piece 154 is screwed into the lower position of the ground later, the first spiral piece 153 and the second spiral piece 154 are arranged in a staggered mode, meanwhile, the spiral piece is in close contact with the soil, concrete slurry is introduced into the extension pipe 161, the concrete slurry flows into the ground through the grouting holes 164, the slurry fills gaps between the spiral pieces and the soil, and after the slurry is solidified, the first spiral piece 153 and the second spiral piece 154 firmly support the device.
As shown in fig. 3 and 6, the adjusting mechanism 3 comprises a lifting component 31, the bottom of the lifting component 31 is fixedly connected with the upper position of the inner side surface of the oil absorption cylinder 13, a connecting component 32 is fixedly connected with the upper position of the surface of the lifting component 31, a driving device 33 is fixedly connected with the top of the sliding guide cylinder 2, a screw rod 34 is fixedly connected with the output end of the driving device 33, a switch valve 36 is fixedly connected with the surface of the lifting component 31, the bottom of the stabilizing plate 11 is fixedly connected with the ground, the inner side surface of the stabilizing plate 11 is fixedly connected with the oil absorption cylinder 13, an anti-deflection component 15 is fixedly connected with the surface of the oil absorption cylinder 13, a synergistic component 16 is fixedly connected with the surface of the stabilizing plate 11, and the anti-deflection component 15 extends to the lower position of the ground;
the upper position of the inner side surface of the oil suction cylinder 13 is fixedly connected with an oil guide pipe 14, the synergistic assembly 16 is arranged below the ground, and the position, close to the edge, of the surface of the stabilizing plate 11 is fixedly connected with a threaded rod 12.
When the oil pump is used, concrete slurry is introduced into the synergistic assembly 16, after the slurry is solidified, the soil is used for fixing the anti-deflection assembly 15 and the oil absorption barrel 13 in a coating manner, the output end of the oil exploitation machine drives the sliding rod 4 to move up and down, the plunger block 6 enables negative pressure to be generated in the oil absorption barrel 13, oil is attracted to the oil absorption barrel 13, the oil enters the lifting assembly 31 through the oil guide pipe 14, the driving device 33 drives the screw rod 34 to rotate, and the screw rod 34 drives the connecting assembly 32 to move downwards or upwards through thread lifting force, so that the resistance of the lifting assembly 31 to oil flow is adjusted, and the problem of how to adjust the pressure of oil outflow to prevent leakage caused by rapid oil ejection is solved.
As shown in fig. 6, 7 and 8, the lifting assembly 31 comprises an oil outlet pipe 311, the surface of the oil outlet pipe 311 is fixedly connected with the upper position of the inner side surface of the oil suction barrel 13, a spiral pipe 312 is fixedly connected with the surface of the oil outlet pipe 311, a metal sleeve 313 is fixedly connected with one side of the spiral pipe 312, which is far away from the spiral pipe 312, a plurality of communicating pipes 314 are arranged, the connecting assembly 32 comprises a threaded barrel 321, an internal thread is arranged on the inner side surface of the threaded barrel 321, the inner side surface of the threaded barrel 321 is connected with the surface of a screw rod 34 through the internal thread, the bottom end of the screw rod 34 is rotationally connected with a supporting block 35, the surface of the threaded barrel 321 is fixedly connected with a sliding block 322, the surface of the sliding block 322 is fixedly connected with a connecting plate 323, and the surface of the connecting plate 323 is fixedly connected with the upper position of the surface of the spiral pipe 312.
During the use, the bottom of oil pipe 311 extends to the medial surface of oil absorption section of thick bamboo 13, the oil is guided to the inside of oil absorption section of thick bamboo 13, the inside of earth's surface pressure promotion oil flushing spiral pipe 312, the oil flows to the inside of communicating pipe 314, when the ooff valve 36 is opened, the oil flows through communicating pipe 314 and collects, when the oil pressure is too big, the top and the connecting plate 323 of spiral pipe 312 carry out fixed connection, drive equipment 33 drive lead screw 34 rotation, supporting shoe 35 makes lead screw 34 rotatory time more stable, screw section of thick bamboo 321 is driven by the screw thread and moves downwards, the pitch of spiral pipe 312 reduces, the flow resistance of oil increases, thereby adjust the flow rate of oil.
As shown in fig. 4 and 7, the upper position of the surface of the extension pipe 161 is fixedly connected with the position of the surface of the stabilizing plate 11, which is close to the edge, the bottom end of the extension pipe 161 is fixedly connected with the buried plate 162, the inside of the buried plate 162 is provided with the cavity 163, the surface of the buried plate 162 is provided with the grouting holes 164, the cavity 163 is communicated with the inside of the extension pipe 161, the surface of the oil outlet pipe 311 is fixedly connected with the upper position of the inner side surface of the oil suction cylinder 13, the surface of the oil outlet pipe 311 is fixedly connected with the spiral pipe 312, the surface of the spiral pipe 312 is fixedly connected with the metal sleeve 313, one side, which is far away from the spiral pipe 312, of the metal sleeve 313 is fixedly connected with the communicating pipes 314, and the number of the communicating pipes 314 is plural.
When the spiral tube 312 is driven to move upwards, the sliding block 322 slides upwards on the surface of the guide sliding tube 2, the pitch of the spiral tube 312 is increased, petroleum enters the spiral tube 312 through the oil outlet tube 311, the metal sleeve 313 is connected at the position between the spiral tube 312 and the communicating tube 314, damage and leakage caused by petroleum scouring at the joint are effectively prevented, the extension tube 161 is used for injecting slurry into the buried plate 162, the slurry fills the cavity 163 and flows into the ground through the grouting holes 164, the position of the buried plate 162 is not easy to change after the slurry is solidified, when petroleum is pushed upwards by the surface pressure, the petroleum flow speed is slowed down, the excessive petroleum spraying pressure can be effectively prevented, and meanwhile, the buried plate 162 is stable and the spiral tube 312 can be prevented from being damaged.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The statement "comprising an element defined by … … does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Claims (6)
1. A high performance accuse pressure formula wellhead assembly, its characterized in that: comprising
The oil extraction device comprises a sliding rod (4), wherein the top end of the sliding rod (4) is fixedly connected with a lifting ring (5), the bottom end of the sliding rod (4) is fixedly connected with a plunger block (6), and the lifting ring (5) is fixedly connected with the output end of an oil extraction machine;
the stabilizing mechanism (1) is arranged above the ground, the top of the stabilizing mechanism (1) is fixedly connected with the sliding guide cylinder (2), and the oil exploitation machine drives the sliding rod (4) to slide up and down on the inner side surface of the sliding guide cylinder (2); the anti-deflection device comprises a stabilizing plate (11), wherein the bottom of the stabilizing plate (11) is fixedly connected with the ground, the inner side surface of the stabilizing plate (11) is fixedly connected with an oil absorption cylinder (13), the surface of the oil absorption cylinder (13) is fixedly connected with an anti-deflection component (15), the surface of the stabilizing plate (11) is fixedly connected with a synergistic component (16), and the anti-deflection component (15) extends to the position below the ground;
the adjusting mechanism (3) is arranged above the stabilizing plate (11), the movement of the plunger block (6) guides petroleum at a position below the ground to the inside of the oil suction cylinder (13), the bottom of the adjusting mechanism (3) is communicated with the inside of the oil suction cylinder (13), the petroleum enters the inside of the adjusting mechanism (3), and the adjusting mechanism (3) adjusts the pressure of the petroleum;
the adjusting mechanism (3) comprises a lifting assembly (31), the bottom of the lifting assembly (31) is fixedly connected with the upper position of the inner side surface of the oil absorption cylinder (13), and a connecting assembly (32) is fixedly connected with the upper position of the surface of the lifting assembly (31);
the top of the sliding guide cylinder (2) is fixedly connected with driving equipment (33), the output end of the driving equipment (33) is fixedly connected with a screw rod (34), and the surface of the lifting assembly (31) is fixedly connected with a switch valve (36);
the lifting assembly (31) comprises an oil outlet pipe (311), the surface of the oil outlet pipe (311) is fixedly connected with the upper position of the inner side surface of the oil suction cylinder (13), and a spiral pipe (312) is fixedly connected with the surface of the oil outlet pipe (311);
the surface of spiral pipe (312) is fixedly connected with metal sleeve (313), one side that spiral pipe (312) were kept away from to metal sleeve (313) is fixedly connected with communicating pipe (314), the quantity of communicating pipe (314) is provided with a plurality of.
2. A high performance pressure control wellhead as claimed in claim 1 wherein: the oil suction device is characterized in that an oil guide pipe (14) is fixedly connected to the upper position of the inner side surface of the oil suction cylinder (13), the synergistic assembly (16) is arranged below the ground, and a threaded rod (12) is fixedly connected to the position, close to the edge, of the surface of the stabilizing plate (11).
3. A high performance pressure control wellhead as claimed in claim 2 wherein: the anti-deflection assembly (15) comprises a bottom plate (151), the bottom plate (151) is arranged at the lower position of the ground, and the inner side surface of the bottom plate (151) is fixedly connected with the lower position of the surface of the oil absorption cylinder (13).
4. A high performance pressure control wellhead according to claim 3, characterised in that: the top of bottom plate (151) fixedly connected with connecting block (152), the medial surface of connecting block (152) is fixedly connected with first flight (153) and second flight (154) respectively, the spiral direction of first flight (153) and second flight (154) is opposite.
5. A high performance pressure control wellhead as claimed in claim 4 wherein: the synergistic assembly (16) comprises an extension pipe (161), wherein the upper position of the surface of the extension pipe (161) is fixedly connected with the position, close to the edge, of the surface of the stabilizing plate (11), and the bottom end of the extension pipe (161) is fixedly connected with a buried plate (162).
6. A high performance pressure control wellhead as claimed in claim 5 wherein: the inside of buried board (162) has seted up cavity (163), grouting hole (164) have been seted up to the surface of buried board (162), the inside of cavity (163) and extension pipe (161) communicates.
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CN202311265350.6A CN117027723B (en) | 2023-09-28 | 2023-09-28 | High-performance pressure control wellhead device |
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CN202311265350.6A CN117027723B (en) | 2023-09-28 | 2023-09-28 | High-performance pressure control wellhead device |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US4184504A (en) * | 1977-12-12 | 1980-01-22 | W-K-M Wellhead Systems, Inc. | Wellhead valve removal and installation tool |
CN204200168U (en) * | 2014-10-21 | 2015-03-11 | 建湖县鸿达阀门管件有限公司 | A kind of switch for fracture well head production tree and anticorrosion checkout gear |
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US4184504A (en) * | 1977-12-12 | 1980-01-22 | W-K-M Wellhead Systems, Inc. | Wellhead valve removal and installation tool |
CN204200168U (en) * | 2014-10-21 | 2015-03-11 | 建湖县鸿达阀门管件有限公司 | A kind of switch for fracture well head production tree and anticorrosion checkout gear |
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