CN112227999B - Be used for high-power throttle oil recovery wellhead assembly - Google Patents

Be used for high-power throttle oil recovery wellhead assembly Download PDF

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Publication number
CN112227999B
CN112227999B CN202011461315.8A CN202011461315A CN112227999B CN 112227999 B CN112227999 B CN 112227999B CN 202011461315 A CN202011461315 A CN 202011461315A CN 112227999 B CN112227999 B CN 112227999B
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sleeve
pipe
butt joint
rotating
rotating sleeve
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CN112227999A (en
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刘志波
赵约翰
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Dongying Huachen Petroleum Equipment Co ltd
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Dongying Huachen Petroleum Equipment Co ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00Valve arrangements for boreholes or wells
    • E21B34/02Valve arrangements for boreholes or wells in well heads

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)

Abstract

The invention belongs to the technical field of oil production well heads, and particularly relates to a high-power throttling oil production well head device which comprises a connecting pipe, a first rotating sleeve, a second rotating sleeve and a flow guide pipe, wherein the second rotating sleeve is movably arranged above the connecting pipe, the first rotating sleeve is movably arranged on the outer surface of the upper end of the second rotating sleeve, a rotating sleeve is movably connected between the first rotating sleeve and the second rotating sleeve in a sleeved mode, positioning baffle rings are fixedly arranged on the outer surfaces of two ends of the rotating sleeve, a first sleeve is fixedly arranged on one side of the first rotating sleeve, a second sleeve is fixedly arranged on one side of the second rotating sleeve, butt joint pipe grooves are formed in the outer surfaces of the side edges of the first rotating sleeve and the second rotating sleeve, and the flow guide pipe is fixedly arranged on the outer surfaces of one ends of the first sleeve and the second sleeve; the high-power throttling oil production wellhead device is provided with the material conveying angle adjusting structure, the flexibility of the high-power throttling oil production wellhead device during use is improved, meanwhile, the high-power throttling oil production wellhead device is provided with the splicing type combined fixing structure, the high-power throttling oil production wellhead device can be suitable for pipelines with different calibers, and the application range of the high-power throttling oil production wellhead device is improved.

Description

Be used for high-power throttle oil recovery wellhead assembly
Technical Field
The invention belongs to the technical field of oil extraction well head devices, and particularly relates to a high-power throttling oil extraction well head device.
Background
The wellhead device is installed at the wellhead position of an oil well and has the functions of shunting and controlling the flow of oil in the oil well, the components of the wellhead device comprise a pipe head, a blowout preventer group and the like, and the wellhead device is used for controlling the pressure and the direction of gas and liquid fluids and comprises a Christmas tree and a gas production tree.
A contrast file CN207739978U discloses an theftproof wellhead assembly relates to oil development technical field. The anti-theft wellhead device comprises a wellhead device body, wherein a first oil outlet pipe and a second oil outlet pipe are respectively and fixedly communicated with the inner left wall of the wellhead device body, the first oil outlet pipe is positioned above the second oil outlet pipe, a guide box is fixedly communicated with the lower surface of the wellhead device body, an oil pumping pipe is fixedly communicated with the inner bottom wall of the guide box, a fixed plate is fixedly connected with the inner wall of the wellhead device body, and a first small hole is formed in the center of the upper surface of the fixed plate.
The conventional high-power throttling oil production wellhead device has certain defects in the using process, and the conventional high-power throttling oil production wellhead device does not have a rotation angle adjusting structure, so that when a user performs flow control operation on the high-power throttling oil production wellhead device, the user cannot lock the angle during the flow control operation, so that the high-power throttling oil production wellhead device is easy to generate the phenomenon of mistaken touch in the using process, and the safety of the high-power throttling oil production wellhead device in the using process is reduced; secondly, the traditional high-power throttling oil production wellhead device adopts a fixed structural design, so that a user cannot perform rotary adjustment of any angle on the high-power throttling oil production wellhead device according to the position of an oil pipeline, and the flexibility of the high-power throttling oil production wellhead device during use is reduced; secondly the tradition is used for high-power throttle oil recovery wellhead assembly and does not have concatenation formula combination fixed knot to make this be used for high-power throttle oil recovery wellhead assembly can't be suitable for the pipeline structure of different bores, reduced this be used for high-power throttle oil recovery wellhead assembly's application scope, bring certain adverse effect for the user.
Disclosure of Invention
In order to overcome the defect that the traditional high-power throttling oil extraction wellhead device does not have a rotating angle adjusting structure, when a user carries out flow control operation on the high-power throttling oil extraction wellhead device, the user cannot lock the angle during the flow control operation, so that the high-power throttling oil extraction wellhead device is easy to generate error touch in the use process, and the safety of the high-power throttling oil extraction wellhead device in use is reduced; secondly, the traditional high-power throttling oil production wellhead device adopts a fixed structural design, so that a user cannot perform rotary adjustment of any angle on the high-power throttling oil production wellhead device according to the position of an oil pipeline, and the flexibility of the high-power throttling oil production wellhead device during use is reduced; secondly, the traditional high-power throttling oil extraction wellhead device does not have a splicing type combined fixed structure, so that the high-power throttling oil extraction wellhead device cannot be suitable for pipeline structures with different calibers, the application range of the high-power throttling oil extraction wellhead device is reduced, and the high-power throttling oil extraction wellhead device is provided.
The purpose of the invention is realized by the following technical scheme:
a wellhead device for high-power throttling oil production comprises a connecting pipe, a first rotating sleeve, a second rotating sleeve and a guide pipe, wherein the second rotating sleeve is movably arranged above the connecting pipe, the first rotating sleeve is movably arranged on the outer surface of the upper end of the second rotating sleeve, a rotating sleeve movable connection is sleeved between the first rotating sleeve and the second rotating sleeve, the outer surfaces of the two ends of the rotating sleeve are respectively and fixedly provided with a positioning baffle ring, one side of the first rotating sleeve is respectively and fixedly provided with a first sleeve, one side of the second rotating sleeve is respectively and fixedly provided with a second sleeve, the outer surfaces of the side edges of the first rotating sleeve and the second rotating sleeve are respectively provided with a butt pipe groove, the outer surfaces of one ends of the first sleeve and the second sleeve are respectively and fixedly provided with a guide pipe, the middle position of the upper end of the guide pipe is fixedly provided with a positioning fluted disc, and the middle position of the inner side of the positioning, the utility model discloses a stopper, including dwang and rotatory fender dish, the inboard middle part fixed mounting that keeps off the dish has the adapter sleeve, through adapter sleeve fixed connection between dwang and the rotatory fender dish, the side surface upper portion fixed mounting of dwang has fixed handle, the below movable mounting of fixed handle has the stiction pole, and fixed handle and sticiss and be provided with the elasticity cassette between the pole.
As a further technical scheme of the present invention, the fixed grip and the pressing rod are movably connected through an elastic clamping seat, the outer surface of one end of the fixed grip is fixedly provided with a tapered rod head, the outer surface of the side edge of the positioning fluted disc is provided with a plurality of sets of limiting tooth grooves, the tapered rod head and the positioning fluted disc are fixed in a butt joint manner through the limiting tooth grooves, the outer surface of one end of the flow guide pipe is fixedly provided with an upper chuck, the outer surface of the other end of the flow guide pipe is fixedly provided with a lower chuck, and the inner sides of the upper chuck and the lower chuck are both provided with.
As a further technical scheme, the middle positions of the outer surfaces of the two sides of the flow guide pipe are fixedly provided with the discharging pipe heads, one end of the first sleeve and the flow guide pipe are fixedly butted through the discharging pipe heads, and the other end of the first sleeve and the first rotating sleeve are fixedly butted through the butting pipe groove.
As a further technical scheme of the present invention, a butt joint pipe head is fixedly installed at a lower end of the connecting pipe, a circular cutting sleeve is fixedly installed at a middle position of an upper end of the butt joint pipe head, the connecting pipe and the butt joint pipe head are butt-jointed and fixed through the circular cutting sleeve, a butt joint clamping seat is fixedly installed at a lower portion of the butt joint pipe head, an inner sleeve clamping pipe is fixedly installed at a middle position of an upper end of the butt joint clamping seat, and a limit clamping groove is formed in an inner surface of a side edge of the inner sleeve.
As a further technical scheme of the present invention, the butt joint clamping seat and the butt joint pipe joint are fixed in a butt joint manner through an inner sleeve clamping pipe, a plurality of groups of circular notches are formed in the inner sides of the butt joint clamping seat and the butt joint pipe joint in a penetrating manner, a flow dividing pipe is fixedly installed on the lower portion of the butt joint clamping seat, communication side pipes are fixedly installed on the outer surfaces of the two ends of the flow dividing pipe, and a flow control valve is fixedly installed on the outer surface of the side edge of each communication side pipe.
As a further technical scheme of the invention, the outer surfaces of the two ends of the connecting pipe are fixedly provided with butt joint chucks, and the outer surface of the side edge of the connecting pipe is fixedly sleeved with two groups of shutoff valves.
As a further technical scheme, a pressure gauge is fixedly installed above the first rotating sleeve, the outer surface of the side edge of the rotating blocking disc is of an inclined plane structure, sealing rings are arranged on the outer surfaces of the upper chuck and the lower chuck, and a fixed top cover is installed at the lower end of the pressure gauge.
As a further technical scheme of the invention, the integral structure of the connecting sleeve is a cylindrical hollow structure, and the connecting sleeve is butted with the rotating rod through a clamping groove.
As a further technical scheme of the invention, a sealing ring is movably sleeved between the first rotating sleeve and the second rotating sleeve, the whole structure of the connecting pipe is a cylindrical two-section structure, and a connecting disc is arranged in the middle of the connecting pipe.
As a further technical scheme of the invention, the device comprises the following specific using and operating steps:
the method comprises the following steps that firstly, a butt joint sleeve of a fixed chassis is butted with a well mouth of an oil well, a butt joint pipe head of a circular clamping sleeve is aligned with an inner sleeve clamping pipe, the butt joint pipe head is pressed downwards, the butt joint pipe head is clamped at the upper end of a butt joint clamping seat by utilizing a limiting clamping groove of the inner sleeve clamping pipe, the inner sleeve clamping pipe is sleeved in the butt joint pipe head, the butt joint clamping seat is aligned with a circular groove mouth of the butt joint pipe head, a bolt is inserted into the circular groove mouth, and the butt joint clamping seat and the butt joint pipe head after butt joint are fixed;
opening two groups of shutoff valves on the connecting pipe to lead oil bodies in the oil well into a first sleeve and a second sleeve on a first rotating sleeve and a second rotating sleeve through the connecting pipe, and rotating the first rotating sleeve and the second rotating sleeve by utilizing the rotating sleeve to be matched with a sealing ring so as to adjust the oil conveying angle of the first sleeve and the second sleeve;
and step three, holding the fixed handle, pressing one end of the compression rod to separate the conical rod head on the compression rod from the limiting tooth groove of the positioning fluted disc, rotating the fixed handle to enable the fixed handle to be matched with the connecting sleeve through the rotating rod to drive the rotary baffle disc to rotate, controlling the flow rate of the flow guide pipe by utilizing the rotation of the rotary baffle disc, loosening one end of the compression rod to enable the compression rod to be matched with the elastic clamping seat to elastically reset, enabling the conical rod head on the compression rod to be clamped on the limiting tooth groove of the positioning fluted disc again, and locking the angle of the rotary baffle disc after rotation.
The invention has the beneficial effects that:
1. by arranging the positioning fluted disc and the conical rod head, when a user carries out flow control operation on the wellhead device for high-power throttling oil extraction, the user can hold the fixed handle, press one end of the compression rod to separate the conical rod head on the compression rod from the limit tooth socket of the positioning fluted disc, so that the rotation rod can carry out rotation operation, and the fixed handle is rotated to be matched with the connecting sleeve through the rotation rod to drive the rotary baffle disc to rotate, so that the flow rate of the guide pipe is controlled by utilizing the rotation of the rotary baffle disc, after the rotary baffle disc finishes the flow rate regulation operation, the user can loosen one end of the compression rod to enable the compression rod to be matched with the elastic clamping seat to elastically reset, so that the conical rod head on the compression rod is clamped on the limit tooth socket of the positioning fluted disc again, the rotary baffle disc after rotation is angularly locked, and the secondary rotation, by means of the positioning fluted disc and the conical rod head, angle locking operation can be carried out on the high-power throttling oil extraction wellhead device when the high-power throttling oil extraction wellhead device is used for flow rate adjusting operation, and therefore safety of the high-power throttling oil extraction wellhead device during use is effectively improved.
2. By arranging the sealing ring and the rotary sleeve, when a user carries out pipeline butt joint operation on the high-power throttling oil production wellhead device, the user can open two groups of shutoff valves on the connecting pipe according to the butt joint angle of the pipeline during installation, so that an oil body in an oil well is led into the first sleeve and the second sleeve on the first rotating sleeve and the second rotating sleeve through the connecting pipe, the first rotating sleeve and the second rotating sleeve are rotated by utilizing the rotary sleeve to be matched with the sealing ring, the oil transportation angle of the first sleeve and the second sleeve is adjusted, a rotary adjusting structure is formed between the first rotating sleeve and the second rotating sleeve by utilizing the arrangement of the rotary sleeve, the use angle of the first sleeve and the second sleeve is adjusted by rotating the first rotating sleeve and the second rotating sleeve, the rotated first sleeve and the rotated second sleeve can be suitable for oil transportation pipelines with different angles, and the high-power throttling oil production wellhead device is provided with an angle adjusting structure, under the condition of not replacing parts, the oil pipeline connector can be suitable for oil pipelines at different angles, and the flexibility of the oil pipeline connector in use is improved.
3. Through setting up butt joint pipe head and butt joint cassette, when the user carries out the pipeline butt joint operation to this a device for high-power throttle oil recovery well head, the user can dock the butt joint sleeve pipe on fixed chassis with the well head of oil well, align the butt joint pipe head of circular cutting ferrule with interior sleeve pipe, press down the butt joint pipe head, utilize the spacing draw-in groove of interior sleeve pipe, with the butt joint pipe head card in the upper end of butt joint cassette, make interior sleeve pipe box cover in the butt joint pipe head, make the round notch of butt joint cassette and butt joint pipe head align, insert the bolt in round notch, fixed butt joint cassette and butt joint pipe head after the butt joint, utilize the concatenation formula combination number structure that forms between butt joint pipe head and the butt joint cassette, can make this a device for high-power throttle oil recovery well head can be suitable for the connecting pipe of different bores, promote its application scope, high durability and convenient use.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the overall structure of a high-power throttling oil production wellhead device.
Fig. 2 is an overall structure diagram of a flow guide pipe used in a high-power throttling oil production wellhead device.
Fig. 3 is an overall structural view of a rotating rod used in a high power throttling oil recovery wellhead assembly according to the present invention.
Fig. 4 is an internal structural view of a first swivel and a second swivel for use in a high power throttling production wellhead assembly in accordance with the present invention.
Fig. 5 is an overall structural view of a docking head and a docking cartridge for use in a high power choke oil recovery wellhead assembly in accordance with the present invention.
In the figure: 1. butting a sleeve; 2. fixing the chassis; 3. a flow control valve; 4. a side pipe is communicated; 5. a butt joint head; 6. a connecting pipe; 7. butting the chucks; 8. fixing the top cover; 9. a flow guide pipe; 10. a first sleeve; 11. a pressure gauge; 12. a first rotating sleeve; 13. a second sleeve; 14. a shut-off valve; 15. butting the card seats; 16. a shunt tube; 17. a discharge pipe head; 18. fixing the grip; 19. a limiting tooth socket; 20. positioning a fluted disc; 21. a compression bar; 22. an elastic card holder; 23. a tapered head; 24. an upper chuck; 25. rotating the rod; 26. a lower chuck; 27. rotating the catch disc; 28. connecting sleeves; 29. a seal ring; 30. a second rotating sleeve; 31. positioning a baffle ring; 32. rotating the sleeve; 33. butting pipe grooves; 34. the pipe is clamped in an inner sleeve; 35. a circular notch; 36. a circular cutting sleeve; 37. limiting clamping grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
As shown in fig. 1-5, a wellhead device for high-power throttling oil production comprises a connecting pipe 6, a first rotating sleeve 12, a second rotating sleeve 30 and a diversion pipe 9, wherein the second rotating sleeve 30 is movably arranged above the connecting pipe 6, the first rotating sleeve 12 is movably arranged on the outer surface of the upper end of the second rotating sleeve 30, a rotating sleeve 32 is sleeved between the first rotating sleeve 12 and the second rotating sleeve 30 for movable connection, the first rotating sleeve 12 and the second rotating sleeve 30 can be rotatably adjusted by the arrangement of the rotating sleeve 32, so that the flexibility of butt joint operation of the first rotating sleeve 12 and the second rotating sleeve 30 is improved, positioning retaining rings 31 are fixedly arranged on the outer surfaces of both ends of the rotating sleeve 32, the positioning retaining rings 31 play an auxiliary fixing role in mounting the rotating sleeve 32, so that the phenomenon that the rotating sleeve 32 falls off after mounting is avoided, a first sleeve 10 is fixedly arranged on one side of the first rotating sleeve 12, a second sleeve 13 is fixedly arranged on one side of a second rotating sleeve 30, butt joint pipe grooves 33 are respectively arranged on the outer surfaces of the side edges of the first rotating sleeve 12 and the second rotating sleeve 30, a guide pipe 9 is fixedly arranged on the outer surfaces of one end of the first sleeve 10 and one end of the second sleeve 13, a positioning fluted disc 20 is fixedly arranged on the middle position of the upper end of the guide pipe 9, the rotation angle of the rotary baffle disc 27 can be controlled by the positioning fluted disc 20, a rotating rod 25 is movably arranged on the middle position of the inner side of the positioning fluted disc 20, the rotary baffle disc 27 is fixedly arranged on the outer surface of the side edge of the rotating rod 25, a connecting sleeve 28 is fixedly arranged on the middle position of the inner side of the rotary baffle disc 27, the rotating rod 25 is fixedly connected with the rotary baffle disc 27 through the connecting sleeve 28, a fixed handle 18 is fixedly arranged on the upper position of the outer surface of the side, the elastic clamping seat 22 can be used for elastic resetting operation after the pressing rod 21 is installed.
Through elasticity cassette 22 swing joint between fixed handle 18 and the depression bar 21, the one end external fixed surface of fixed handle 18 installs tapered rod head 23, the spacing tooth's socket 19 of a plurality of groups has been seted up to the side surface of location fluted disc 20, it is fixed to dock through spacing tooth's socket 19 between tapered rod head 23 and the location fluted disc 20, the one end external fixed surface of honeycomb duct 9 installs chuck 24, and the other end external fixed surface of honeycomb duct 9 installs lower chuck 26, go up chuck 24 and lower chuck 26's inboard and all run through and seted up a plurality of groups circular slots, setting through the circular slot, can conveniently carry out the bolt fastening operation to lower chuck 26 and upper chuck 24.
The equal fixed mounting in both sides surface middle part position of honeycomb duct 9 has ejection of compact tube head 17, opens honeycomb duct 9 back, and the oil body passes through ejection of compact tube head 17 and discharges, and it is fixed to dock through ejection of compact tube head 17 between the one end of first sleeve 10 and the honeycomb duct 9, and docks fixedly through butt joint pipe groove 33 between the other end of first sleeve 10 and the first runner 12.
Lower extreme fixed mounting of connecting pipe 6 has butt joint pipe head 5, the upper end middle part position fixed mounting of butt joint pipe head 5 has circular cutting ferrule 36, utilize circular cutting ferrule 36 to play the fixed action to the butt joint of connecting pipe 6, circular cutting ferrule 36 that has different bores through the change, can make butt joint pipe head 5 be suitable for the connecting pipe 6 of different diameters, it is fixed to dock through circular cutting ferrule 36 between connecting pipe 6 and the butt joint pipe head 5, butt joint pipe head 5's lower part fixed mounting has butt joint cassette 15, and butt joint cassette 15's upper end middle part position fixed mounting has interior sleeve card pipe 34, spacing draw-in groove 37 has been seted up to the side internal surface of interior sleeve card pipe 34, utilize spacing draw-in groove 37 can restrict butt joint pipe head 5's butt joint angle, thereby avoid butt joint cassette 15 and the circular notch 35 on.
Butt joint cassette 15 and butt joint between the coupling 5 through endotheca card pipe 34 butt joint fixed, butt joint cassette 15 all runs through the inboard of coupling 5 and has seted up the circular notch 35 of a plurality of groups, butt joint cassette 15's lower part fixed mounting has shunt tubes 16, and the equal fixed mounting in both ends surface of shunt tubes 16 has intercommunication side pipe 4, utilize intercommunication side pipe 4 can carry out the reposition of redundant personnel operation to the oil body in the shunt tubes 16, the side fixed surface of intercommunication side pipe 4 installs accuse flow valve 3, can play the accuse through accuse flow valve 3 and flow the effect to the oil body in the intercommunication side pipe 4.
The outer surfaces of the two ends of the connecting pipe 6 are fixedly provided with the butt joint chucks 7, the outer surface of the side edge of the connecting pipe 6 is fixedly sleeved with the two groups of shutoff valves 14, and the connecting pipe 6 is subjected to dual flow control by the arrangement of the two groups of shutoff valves 14, so that the use safety of the connecting pipe 6 is improved.
The top fixed mounting of first commentaries on classics cover 12 has manometer 11, the side surface of rotatory fender dish 27 is the inclined plane structure, utilize manometer 11 can observe the oil pressure in the connecting pipe 6, the surface of going up chuck 24 and lower chuck 26 all is equipped with the sealing washer, can promote the leakproofness when going up chuck 24 and lower chuck 26 butt joint through the sealing washer, the weeping phenomenon appears in chuck 24 and lower chuck 26 on avoiding, make the butt joint operation of going up chuck 24 and lower chuck 26 more firm, fixed top cap 8 is installed to manometer 11's lower extreme.
The whole structure of the connecting sleeve 28 is a cylindrical hollow structure, the connecting sleeve 28 and the rotating rod 25 are butted through a clamping groove, and the connecting sleeve 28 plays a role in fixing the installation of the rotating baffle disc 27, so that the rotating baffle disc 27 is installed on the rotating rod 25.
The sealing ring 29 is movably sleeved between the first rotating sleeve 12 and the second rotating sleeve 30, the whole structure of the connecting pipe 6 is a cylindrical two-section structure, the middle position of the connecting pipe 6 is provided with a connecting disc, and the connecting pipe 6 with the two-section structure can be connected and fixed by the connecting disc.
The device comprises the following specific using operation steps:
firstly, butting a butting sleeve 1 of a fixed chassis 2 with a well mouth of an oil well, aligning a butting pipe joint 5 of a circular clamping sleeve 36 with an inner sleeve clamping pipe 34, pressing the butting pipe joint 5 downwards, clamping the butting pipe joint 5 at the upper end of a butting clamping seat 15 by utilizing a limiting clamping groove 37 of the inner sleeve clamping pipe 34, enabling the inner sleeve clamping pipe 34 to be sleeved in the butting pipe joint 5, aligning the butting clamping seat 15 with a circular notch 35 of the butting pipe joint 5, inserting a bolt into the circular notch 35, and fixing the butted butting clamping seat 15 and the butting pipe joint 5;
step two, opening two groups of cut-off valves 14 on the connecting pipe 6, leading oil bodies in the oil well into the first sleeve 10 and the second sleeve 13 on the first rotating sleeve 12 and the second rotating sleeve 30 through the connecting pipe 6, and rotating the first rotating sleeve 12 and the second rotating sleeve 30 by utilizing the rotating sleeve 32 to be matched with the sealing ring 29 so as to adjust the oil conveying angle of the first sleeve 10 and the second sleeve 13;
and step three, holding the fixed handle 18, pressing one end of the pressing rod 21 to separate the tapered rod head 23 on the pressing rod 21 from the limiting tooth groove 19 of the positioning fluted disc 20, rotating the fixed handle 18 to enable the fixed handle 18 to be matched with the connecting sleeve 28 through the rotating rod 25 to drive the rotating baffle disc 27 to rotate, controlling the flow rate of the guide pipe 9 by utilizing the rotation of the rotating baffle disc 27, loosening one end of the pressing rod 21 to enable the pressing rod 21 to be matched with the elastic clamping seat 22 to elastically reset, enabling the tapered rod head 23 on the pressing rod 21 to be clamped on the limiting tooth groove 19 of the positioning fluted disc 20 again, and locking the angle of the rotating baffle disc 27.
The invention aims to provide a wellhead device for high-power throttling oil extraction, when in use, through arranging a positioning fluted disc 20 and a conical rod head 23, when a user carries out flow control operation on the wellhead device for high-power throttling oil extraction, the user can hold a fixed handle 18 and press one end of a compression pressure rod 21 to separate the conical rod head 23 on the compression pressure rod 21 from a limit tooth groove 19 of the positioning fluted disc 20, so that a rotating rod 25 can carry out rotating operation, through rotating the fixed handle 18, the fixed handle 18 is matched with a connecting sleeve 28 through the rotating rod 25 to drive a rotary baffle disc 27 to rotate, so that the flow rate of a draft tube 9 is controlled by the rotation of the rotary baffle disc 27, after the rotary baffle disc 27 finishes the flow rate adjusting operation, the user can loosen one end of the compression rod 21 to enable the compression pressure rod 21 to be matched with an elastic clamping seat 22 to elastically reset, so that the conical rod head 23 on the compression pressure rod 21 is clamped on the limit tooth, the angle of the rotating blocking disc 27 is locked, so that the secondary rotation of the rotating blocking disc 27 is avoided, and the angle locking operation can be performed on the high-power throttling oil extraction wellhead device when the high-power throttling oil extraction wellhead device is used for flow rate adjustment operation by using the positioning fluted disc 20 and the conical rod head 23, so that the safety of the high-power throttling oil extraction wellhead device in use is effectively improved;
by arranging the sealing ring 29 and the rotary sleeve 32, when a user performs a pipeline butt joint operation on the wellhead device for high-power throttling oil production, the user can open two groups of shutoff valves 14 on the connecting pipe 6 according to the butt joint angle of the pipeline during installation, so that an oil body in the oil well is led into the first sleeve 10 and the second sleeve 13 on the first rotating sleeve 12 and the second rotating sleeve 30 through the connecting pipe 6, the rotary sleeve 32 is matched with the sealing ring 29 to rotate the first rotating sleeve 12 and the second rotating sleeve 30, thereby adjusting the oil delivery angle of the first sleeve 10 and the second sleeve 13, a rotary adjusting structure is formed between the first rotating sleeve 12 and the second rotating sleeve 30 by the arrangement of the rotary sleeve 32, the use angle of the first sleeve 10 and the second sleeve 13 is adjusted by the rotary adjustment of the first rotating sleeve 12 and the second rotating sleeve 30, so that the rotated first sleeve 10 and second sleeve 13 can be suitable for oil delivery pipelines with different angles, the device for the high-power throttling oil production wellhead is provided with an angle adjusting structure, so that the device can be suitable for oil pipelines with different angles under the condition of not replacing parts, and the flexibility of the device in use is improved;
by arranging the butt joint pipe head 5 and the butt joint clamping seat 15, when a user carries out pipeline butt joint operation on the device for the high-power throttling oil extraction wellhead, the user can butt joint the butt joint sleeve 1 of the fixed chassis 2 with the wellhead of an oil well, align the butt joint pipe head 5 of the circular clamping sleeve 36 with the inner clamping pipe 34, press the butt joint pipe head 5 downwards, clamp the butt joint pipe head 5 at the upper end of the butt joint clamping seat 15 by using the limiting clamping groove 37 of the inner clamping pipe 34, enable the inner clamping pipe 34 to be sleeved in the butt joint pipe head 5, enable the butt joint clamping seat 15 to be aligned with the circular notch 35 of the butt joint pipe head 5, insert bolts into the circular notch 35, fix the butt joint clamping seat 15 and the butt joint pipe head 5 after butt joint, and enable the device for the high-power throttling oil extraction wellhead to be suitable for connecting pipes 6 with different calibers by using a splicing type combination number structure formed between the butt joint pipe, the application range is improved, and the use is convenient.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. Preferred embodiments are not exhaustive of all the details of the embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (4)

1. The using method for the high-power throttling oil production wellhead device is characterized by comprising a connecting pipe (6), a first rotating sleeve (12), a second rotating sleeve (30) and a guide pipe (9), wherein the second rotating sleeve (30) is movably arranged above the connecting pipe (6), the first rotating sleeve (12) is movably arranged on the outer surface of the upper end of the second rotating sleeve (30), a rotating sleeve (32) is sleeved between the first rotating sleeve (12) and the second rotating sleeve (30) in a movable connection mode, positioning baffle rings (31) are fixedly arranged on the outer surfaces of two ends of the rotating sleeve (32), a first sleeve (10) is fixedly arranged on one side of the first rotating sleeve (12), a second sleeve (13) is fixedly arranged on one side of the second rotating sleeve (30), and butt joint pipe grooves (33) are formed in the outer surfaces of the side edges of the first rotating sleeve (12) and the second rotating sleeve (30), the outer surfaces of one ends of the first sleeve (10) and the second sleeve (13) are fixedly provided with a guide pipe (9), a positioning fluted disc (20) is fixedly arranged at the middle position of the upper end of the draft tube (9), a rotating rod (25) is movably arranged at the middle position of the inner side of the positioning fluted disc (20), a rotary baffle disc (27) is fixedly arranged on the outer surface of the side edge of the rotating rod (25), a connecting sleeve (28) is fixedly arranged at the middle position of the inner side of the rotary blocking disc (27), the rotating rod (25) and the rotating baffle disc (27) are fixedly connected through a connecting sleeve (28), a fixed grip (18) is fixedly arranged at the upper part of the outer surface of the side edge of the rotating rod (25), a compression bar (21) is movably arranged below the fixed grip (18), an elastic clamping seat (22) is arranged between the fixed grip (18) and the pressing rod (21);
the fixed handle (18) and the pressing rod (21) are movably connected through an elastic clamping seat (22), a conical rod head (23) is fixedly installed on the outer surface of one end of the fixed handle (18), a plurality of groups of limiting tooth grooves (19) are formed in the outer surface of the side edge of the positioning tooth disc (20), the conical rod head (23) and the positioning tooth disc (20) are fixedly connected in a butt joint mode through the limiting tooth grooves (19), an upper chuck (24) is fixedly installed on the outer surface of one end of the flow guide pipe (9), a lower chuck (26) is fixedly installed on the outer surface of the other end of the flow guide pipe (9), and a plurality of groups of circular grooves are formed in the inner sides of the upper chuck (24) and the;
a butt joint pipe head (5) is fixedly installed at the lower end of the connecting pipe (6), a circular clamping sleeve (36) is fixedly installed at the middle position of the upper end of the butt joint pipe head (5), the connecting pipe (6) and the butt joint pipe head (5) are fixedly butted and fixed through the circular clamping sleeve (36), a butt joint clamping seat (15) is fixedly installed at the lower portion of the butt joint pipe head (5), an inner sleeve clamping pipe (34) is fixedly installed at the middle position of the upper end of the butt joint clamping seat (15), and a limiting clamping groove (37) is formed in the inner surface of the side edge of the inner sleeve clamping pipe (34);
the butt joint clamping seat (15) and the butt joint pipe joint (5) are fixed in a butt joint mode through an inner sleeve clamping pipe (34), a plurality of groups of circular notches (35) are formed in the inner sides of the butt joint clamping seat (15) and the butt joint pipe joint (5) in a penetrating mode, a flow dividing pipe (16) is fixedly installed on the lower portion of the butt joint clamping seat (15), communicating side pipes (4) are fixedly installed on the outer surfaces of the two ends of the flow dividing pipe (16), and a flow control valve (3) is fixedly installed on the outer surface of the side edge of each communicating side pipe (4);
the outer surfaces of the two ends of the connecting pipe (6) are fixedly provided with butt chucks (7), and the outer surface of the side edge of the connecting pipe (6) is fixedly sleeved with two groups of shutoff valves (14);
a sealing ring (29) is movably sleeved between the first rotating sleeve (12) and the second rotating sleeve (30), the whole structure of the connecting pipe (6) is a cylindrical two-section structure, and a connecting disc is arranged in the middle of the connecting pipe (6);
the device comprises the following specific using operation steps:
the method comprises the following steps that firstly, a butt joint sleeve (1) of a fixed chassis (2) is in butt joint with a well mouth of an oil well, a butt joint pipe head (5) of a circular clamping sleeve (36) is aligned with an inner sleeve clamping pipe (34), the butt joint pipe head (5) is pressed downwards, the butt joint pipe head (5) is clamped at the upper end of a butt joint clamping seat (15) by utilizing a limiting clamping groove (37) of the inner sleeve clamping pipe (34), the inner sleeve clamping pipe (34) is sleeved in the butt joint pipe head (5), the butt joint clamping seat (15) is aligned with a circular notch (35) of the butt joint pipe head (5), a bolt is inserted into the circular notch (35), and the butt joint clamping seat (15) and the butt joint pipe head (5) after butt joint are fixed;
opening two groups of cut-off valves (14) on the connecting pipe (6) to lead oil bodies in the oil well into a first sleeve (10) and a second sleeve (13) on a first rotating sleeve (12) and a second rotating sleeve (30) through the connecting pipe (6), and rotating the first rotating sleeve (12) and the second rotating sleeve (30) by utilizing a rotating sleeve (32) to be matched with a sealing ring (29), so that the oil conveying angle of the first sleeve (10) and the second sleeve (13) is adjusted;
and step three, holding the fixed handle (18), pressing one end of the pressing rod (21) to separate the conical rod head (23) on the pressing rod (21) from the limiting tooth groove (19) of the positioning tooth disc (20), rotating the fixed handle (18), enabling the fixed handle (18) to be matched with the connecting sleeve (28) through the rotating rod (25) to drive the rotary blocking disc (27) to rotate, controlling the flow rate of the guide pipe (9) by utilizing the rotation of the rotary blocking disc (27), loosening one end of the pressing rod (21), enabling the pressing rod (21) to be matched with the elastic clamping seat (22) to elastically reset, enabling the conical rod head (23) on the pressing rod (21) to be clamped on the limiting tooth groove (19) of the positioning tooth disc (20) again, and locking the angle of the rotated rotary blocking disc (27).
2. The use method of the high-power throttling oil production wellhead device according to claim 1, characterized in that the middle positions of the outer surfaces of the two sides of the guide pipe (9) are fixedly provided with the discharging pipe heads (17), one end of the first sleeve (10) is fixedly butted with the guide pipe (9) through the discharging pipe heads (17), and the other end of the first sleeve (10) is fixedly butted with the first rotating sleeve (12) through the butting pipe groove (33).
3. The use method of the high-power throttling oil production wellhead device according to claim 1, characterized in that a pressure gauge (11) is fixedly mounted above the first rotating sleeve (12), the outer surface of the side edge of the rotating baffle disc (27) is of an inclined surface structure, the outer surfaces of the upper chuck (24) and the lower chuck (26) are respectively provided with a sealing ring, and the lower end of the pressure gauge (11) is provided with a fixed top cover (8).
4. The use method of the high-power throttling oil production wellhead device according to the claim 1, characterized in that the whole structure of the connecting sleeve (28) is a cylindrical hollow structure, and the connecting sleeve (28) and the rotating rod (25) are butted through a clamping groove.
CN202011461315.8A 2020-12-14 2020-12-14 Be used for high-power throttle oil recovery wellhead assembly Active CN112227999B (en)

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Publication number Priority date Publication date Assignee Title
CN113931595B (en) * 2021-09-03 2023-12-12 江苏雄越石油机械设备制造有限公司 Ultrahigh pressure fracturing wellhead device convenient to assemble and assembling device thereof

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CN209943774U (en) * 2019-05-07 2020-01-14 河南中州铝业高科有限公司 Flexible sealing water rotary joint
CN111473121A (en) * 2020-04-21 2020-07-31 济南科泰科技有限公司 High-stability self-operated regulating valve with valve rod protection structure and working mode
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US8056936B2 (en) * 2009-03-19 2011-11-15 I-Sin Peng Telescopic pipe structure for a marine light
CN203395454U (en) * 2013-08-13 2014-01-15 青岛迪玛尔海洋工程有限公司 Two-path four-way rotary joint of single-point mooring system
CN203585653U (en) * 2013-11-15 2014-05-07 诸暨市和久机械有限公司 Universal three-way water pipe connector
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Denomination of invention: A wellhead device for high-power throttling oil production

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