CN204899855U - Blanking plug and use blowout preventer of this blanking plug - Google Patents

Blanking plug and use blowout preventer of this blanking plug Download PDF

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Publication number
CN204899855U
CN204899855U CN201520436557.XU CN201520436557U CN204899855U CN 204899855 U CN204899855 U CN 204899855U CN 201520436557 U CN201520436557 U CN 201520436557U CN 204899855 U CN204899855 U CN 204899855U
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China
Prior art keywords
blanking plug
valve rod
driver plate
block
plug body
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Application number
CN201520436557.XU
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Chinese (zh)
Inventor
赵学良
李晓峰
刘桂军
吴保恒
王文生
李协宽
戚树华
禹卿业
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China Petroleum and Chemical Corp
Sinopec Henan Oilfield Branch Co No 2 Oil Production Plant
Original Assignee
China Petroleum and Chemical Corp
Sinopec Henan Oilfield Branch Co No 2 Oil Production Plant
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Application filed by China Petroleum and Chemical Corp, Sinopec Henan Oilfield Branch Co No 2 Oil Production Plant filed Critical China Petroleum and Chemical Corp
Priority to CN201520436557.XU priority Critical patent/CN204899855U/en
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Publication of CN204899855U publication Critical patent/CN204899855U/en
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Abstract

The utility model relates to a blanking plug and use blowout preventer of this blanking plug. Wherein the blanking plug includes the blanking plug body and revolves the valve rod of dress on the blanking plug body, the front end of valve rod is equipped with the case, be equipped with on the blanking plug body with the disk seat that case cooperation was used, be equipped with on the outer peripheral face of blanking plug body be used for with the corresponding external screw thread of preventing spouting the screw hole sheathe in and being connected, on the blanking plug body around still interval ground be provided with that the dog is installed to the blanking plug and the blanking plug withdraws from the dog, be equipped with on the valve rod and be used for withdrawing from with blanking plug installation dog, blanking plug that the dog transmission is connected so that the valve rod drives the driver plate of this trunk circling of blanking plug. Above -mentioned blanking plug is the regulated flow conveniently, improves the operating efficiency.

Description

A kind of blanking plug and use the blowout hookup of this blanking plug
Technical field
The utility model relates to a kind of blanking plug and uses the blowout hookup of this blanking plug.
Background technology
In current oil exploitation industry, viscous crude often adopts thermal recovery technology, and thermal recovery technology is a kind of circulation, periodically exploitation,---the process of stewing well---oil flow production---mechanical oil recovery that steam injection is each time produced and all comprised steam injection.Getting hold of blowing production link is the key that heavy oil production is produced, and this just needs the blowing potential energy controlling oil well in real time, with the crude oil of better extraction underground.
In prior art, the blowing potential energy of producing well controls to be in original hand disassembly all the time and changes the stage, adopts the artificial mode changing oil nozzle to realize.Generally all need during each replacing to stop production, close gate, sky flow process of putting upside down, after letting out the pressure in clean pipeline, lays down the large plug in blowout prevention set of shells, changes suitable oil nozzle, then refund flow process with pipe wrench, opens gate and produces.Because the change frequency of heavy crude heat extraction is very fast, within 24 hours, change oil nozzle several times possibly, sometimes need descending, sometimes need ascending, change number of times very frequent, therefore waste time and energy, female employee or the little worker of strength unload motionless large plug at all, add that the instrument needing to use is heavier, night is changed more difficult.Further, if energy when can not change oil nozzle control blowing in time, just easily cause sand production, oil well oil conduit sand is buried, causes the accident.When shaking out serious, easily making oil well casing rub the disconnected Accident of Large-scale causing oil well to scrap with the hands, causing waste and economic loss greatly.In addition, when being changed to mechanical oil recovery by oil flow production, need passage to open completely, changes in flow rate is very large, adopts the mode changing oil nozzle in prior art to there is the problem of adjustment inconvenience equally.
Utility model content
The purpose of this utility model is to provide a kind of Flow-rate adjustment blanking plug easily, provides a kind of blowout hookup using this blanking plug simultaneously.
The technical scheme that in the utility model, a kind of blanking plug adopts is: a kind of blanking plug, comprise blanking plug body and the valve rod of spinning on blanking plug body, the front end of described valve rod is provided with spool, described blanking plug body be provided with described spool with the use of valve seat, the outer peripheral face of blanking plug body is provided with the external screw thread for being connected with the screwed hole that corresponding blowout prevention puts; Described blanking plug body is also provided with to time interval blanking plug installation block and blanking plug exits block, described valve rod is provided with for installing block with blanking plug, blanking plug exits the driver plate that block is in transmission connection to make valve rod drive blanking plug body and rotates.
Described blanking plug body is rotary structure and front portion is provided with the less ladder section of external diameter, and described valve seat is arranged in described ladder section, and described external screw thread is arranged on the outer peripheral face of valve seat.
Described driver plate comprise to install with blanking plug installation driver plate corresponding to block and with blanking plug exit block corresponding exit driver plate, described installation driver plate and being arranged on described valve rod with exiting driver plate time interval.
Described installation driver plate and/or exit driver plate and can axially movably be assemblied on described valve rod, described valve rod is provided with the axial limit structure of the shaft orientation moving range limiting corresponding driver plate.
The rear end of described valve rod is arranged with the outer block head coordinated with valve stem seal, and described outer block head has the Hermetical connecting structure for being tightly connected with blowout prevention cover.
Described blanking plug also comprises the dial being provided with spool aperture and indicating, and the rear end of described valve rod to be located in described dial and valve rod to be fixed with the graduation indication cover being used to indicate described spool aperture and indicating.
The technical scheme that in the utility model, a kind of blowout hookup adopts is: a kind of blowout hookup, comprise blowout prevention cover, also comprise the blanking plug be arranged in blowout prevention cover, described blanking plug comprises blanking plug body and the valve rod of spinning on blanking plug body, the front end of described valve rod is provided with spool, described blanking plug body be provided with described spool with the use of valve seat; The outer peripheral face of blanking plug body is provided with external screw thread, and described blowout prevention puts the screwed hole be provided with described external screw thread threaded sealing fit; Described blanking plug body is also provided with to time interval blanking plug installation block and blanking plug exits block, described valve rod is provided with for installing block with blanking plug, blanking plug exits the driver plate that block is in transmission connection to make valve rod drive blanking plug body and rotates.
Described blanking plug body is rotary structure and front portion is provided with the less ladder section of external diameter, and described valve seat is arranged in described ladder section, and described external screw thread is arranged on the outer peripheral face of valve seat.
Described driver plate comprise to install with blanking plug installation driver plate corresponding to block and with blanking plug exit block corresponding exit driver plate, described installation driver plate and being arranged on described valve rod with exiting driver plate time interval.
The radial sidewalls of described blowout prevention cover is provided with fluid inlet, described screwed hole is arranged on the front end of blowout prevention cover, the rear end of described valve rod is arranged with the outer block head coordinated with valve stem seal, and described outer block head has the Hermetical connecting structure for being connected with the back-end sealing that blowout prevention is overlapped.
The utility model adopts technique scheme, blanking plug comprises blanking plug body and the valve rod of spinning on blanking plug body, the front end of described valve rod is provided with spool, described blanking plug body be provided with described spool with the use of valve seat, therefore, rotation valve rod can be with movable valve plug to move relative to valve seat, realizes the adjustment of valve port opening, adapts to the demand for control of blowing potential energy; Further, the outer peripheral face of blanking plug body is provided with the external screw thread for being connected with the screwed hole that corresponding blowout prevention puts; Described blanking plug body is also provided with to time interval blanking plug installation block and blanking plug exits block, described valve rod is provided with driver plate, by driver plate and blanking plug, the transmission that block or blanking plug exit block is installed to coordinate, rotation valve rod can realize blanking plug body screw in blowout prevention cover screwed hole in or exit from screwed hole, coordinating of spool and valve seat can be relied on during screw-in to realize blowing potential energy and control, when exiting, whole screwed hole can be used as the large discharge demand that communication port meets mechanical oil recovery, Flow-rate adjustment is convenient, can adapt to different job requirements.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of blowout hookup in the utility model;
Fig. 2 is the structural representation of an embodiment of blanking plug in the utility model;
Fig. 3 is the overall structure outside drawing of blowout hookup in Fig. 1.
Detailed description of the invention
In the utility model, an embodiment of blowout hookup is as shown in Fig. 1 ~ Fig. 3, the blanking plug 2 comprising blowout prevention cover 1 and be inserted in blowout prevention cover 1.The front end of blowout prevention cover 1 is provided with inward flange, form blanking plug supporting bridge 11, blanking plug supporting bridge 11 is provided with screwed hole, form the outer circulation passage for being communicated with the blowout prevention cover liquid outlet 12 of 1 and the inner chamber of blanking plug body 21, this screwed hole adopts sealing thread made in Great Britain, can coordinate realize good sealing performance with corresponding external screw thread.Blanking plug 2 comprises blanking plug body 21 as valve body and corresponding valve rod 22, blanking plug body 21 is rotary structure, its front portion is provided with the less ladder section of external diameter, the outer peripheral face of ladder section is provided with the external screw thread be sealed and matched with the screwed hole on blanking plug supporting bridge 11, can screw in forward by screwed hole shutoff in screwed hole, or back-out screwed hole makes screwed hole open backward; The axle center of ladder section is provided with through hole, and through hole back segment is the pyramidal structure expanded backward, forms valve seat.Blanking plug body 21 rear end is provided with inward flange, forms valve rod supporting bridge 211, and valve rod supporting bridge 211 is provided with the screwed hole for valve rod 22 spinning; Valve rod 22 front end is fixed with spool 23, can coordinate form the valve port that shape is annular section, as interior circulation passage with valve seat; Valve rod 22 is with movable valve plug 23 to seesaw, and the aperture that can realize valve port regulates or closed by valve port.The radial sidewalls of blanking plug body 21 is also provided with for being communicated with the blowout prevention cover inlet 13 of 1 and the fluid inlet 212 of described valve port.
The open rearward end of blowout prevention cover 1, opening part is provided with internal thread.Blowout hookup also comprises outer peripheral face and is provided with externally threaded outer block head 24, and outer block head 24 and blowout prevention are overlapped the screw-internal thread fit of 1 open rearward end and spinning and be fixed on blowout prevention and overlap open rearward end place.In order to realize good sealing effectiveness, the internal thread that 1 rear end is overlapped in blowout prevention is sealing thread made in Great Britain.The anterior end surface of outer block head 24 is provided with screwed hole, is equipped with valve rod support set in screwed hole, and the inwall of valve rod support set is provided with the screw thread for coordinating with the thread segment screw-driven on valve rod 22.During assembling, the rear end of valve rod 22 is passed in valve rod support set, and the rear portion of thread segment can move forward and backward in valve rod support set.Adopt valve rod support set to coordinate with valve rod to be convenient to adopt high-abrasive material, reduce costs, increase the service life.Outer block head 24 inside is embedded with airtight and watertight padding 241, and airtight and watertight padding 241 relies on the gland 242 being fixedly installed on outer block head 24 housing rear portion to be pressed on valve rod 22 external surface realizes the sealing to valve rod 22.The outer peripheral face that described gland 242 exposes outer block head 24 housing is marked with spool aperture and indicates 243, form dial, the rear end of valve rod 22 passes dial and overlaps 245 by dial hold-down screw 244 and corresponding graduation indication and fixes, graduation indication cover 245 is simultaneously as operating grip, rotate for being with ovable valve stem 22, further, graduation indication cover 245 is provided with for indicating 243 corresponding cue marks with spool aperture, can demonstrate the aperture size of valve port intuitively.
The front and rear of the inwall of blanking plug body 21 is fixed with blanking plug installation block 213 respectively and blanking plug exits block 214, and block 213 installed by blanking plug and blanking plug exits the setting of block 214 time interval, is projection form.Valve rod 22 is provided with accordingly two driver plates of time interval, be respectively install with blanking plug installation driver plate 221 corresponding to block 213 and with blanking plug exit block 214 corresponding exit driver plate 222.Installing driver plate 221 and exiting driver plate 222 is all arranged on valve rod 22 by key transmission, and both include disc and the stop block of projection on disc side.When valve rod 22 rotates and moves to corresponding position along the longitudinal direction, driver plate 221 is installed and exit driver plate 222 respectively can with blanking plug install block 213 or blanking plug exit block 214 circumferentially block coordinate and be in transmission connection, drive blanking plug body 21 to rotate to make valve rod 22.In addition, driver plate 221 is installed and exits driver plate 222 and all can do the movable of set distance range on valve rod 22, moving range is determined by practical operation demand, and determines by valve rod 22 being arranged at respectively corresponding driver plate forward-and-rearward back-up ring, and back-up ring forms axial limit structure.Like this, if block 213 installed by driver plate and corresponding blanking plug or blanking plug exits lucky end contact when block 214 coordinates in the circumferential, driver plate can be axially movable to avoid causing clamping stagnation, make driver plate can arbitrarily angled with corresponding blanking plug install block 213 or blanking plug exit block 214 in the circumferential block coordinate and realize interlock.
For adapting to oil producing operation requirement, in the present embodiment, the critical component of blowout hookup all adopts stainless steel manufacture, has good decay resistance; In addition, the closing in place internal diameter of blanking plug body 21 front end through hole is 10mm, and the external diameter of ladder section is 32mm, can meet the traffic demand that oil flow production is different with during mechanical oil recovery.Certainly, in other embodiments, concrete size can adjust according to concrete user demand.
During use, the inlet 13 blowout prevention overlapped on 1 sidewall is communicated with oil pipe, and rotated forward by graduation indication cover 245 band ovable valve stem 22, the thread segment now on valve rod 22 coordinates with the thread helix transmission of outer block head 24 front portion and travels forward.After relative blanking plug body 21 motion of installation driver plate 221 puts in place, to start and blanking plug is installed block 213 block and coordinated and formed and link, and then drive blanking plug body 21 to rotate forward, the screwed hole that the ladder section of blanking plug body 21 is screwed on blanking plug supporting bridge 11 is interior and fixing, outer circulation passage is closed, thread segment in this process on valve rod 22 screws out from valve rod support set, coordinates to avoid thread segment with the screwed hole on valve rod support set and valve rod supporting bridge 211 simultaneously.In oil flow production process, rotate backward valve rod 22 and be with movable valve plug 23 to retreat, open valve port, namely oil sprays from liquid outlet 12 by the annular end face between fluid inlet 212, valve seat and the spool 23 on blanking plug body 21.When needing to control blowing potential energy, only need forward and reverse rotation graduation indication cover 245, namely coordinate by the thread segment of valve rod 22 and the screwed hole at blanking plug body 21 rear portion the front and back action realizing valve rod 22 and spool 23, realize the control of flow, do not need to carry out frequent and heavy replacing oil nozzle operation, and operating personnel can indicate by spool aperture the aperture that 243 understand interior circulation passage intuitively, and Adjusting accuracy is high.
When not needing carry out flow-control or need large discharge to pass through, such as, when needing to forward mechanical oil recovery to, rotated backward by graduation indication cover 245 band ovable valve stem 22, valve rod 22 is moved with coordinating of valve rod supporting bridge 211 backward by thread segment, exit driver plate 222 relatively blanking plug body 21 motion start to exit block 214 transmission with blanking plug after putting in place and coordinate, blanking plug body 21 is driven to rotate backward, blanking plug body 21 is screwed out gradually in the screwed hole blanking plug supporting bridge 11, outer circulation passage is opened.In order to prevent valve rod 22 from rocking front and back in blowout prevention cover 1, with the valve rod support set threaded engagement of outer block head 24 front portion after the screwed hole that the thread segment on valve rod 22 can screw out on blanking plug supporting bridge 11 at blanking plug body 21, realize the location of blanking plug body 21.Utilize above-mentioned blowout hookup, by blanking plug, block is installed, blanking plug exits block and the cooperation of each driver plate, valve rod can realize linking with blanking plug body, can realize not dismantling and turn major path mechanical oil recovery, can realize not dismantling metaideophone vapour in end of oil production to produce, can realize not dismantling after stewing well terminates and turn blowout prevention production, thus greatly improve operating efficiency.
Blanking plug 2 in the utility model in an embodiment of blanking plug and the embodiment of above-mentioned blowout hookup, concrete structure repeats no more herein.
In the above-described embodiments, blanking plug body 21 front portion is provided with ladder section, and is coordinated with the screwed hole that blowout prevention is overlapped on 1 by the external screw thread on ladder section outer peripheral face; And valve seat is formed by the through hole in ladder section axle center.In other embodiments of the present utility model, blanking plug body 21 also can be arranged to other forms, such as adopt the cylindrical shell of uniform external diameter, cylindrical shell front portion arranges and is used for overlapping 1 external screw thread coordinated with blowout prevention, inward flange is set in cylindrical shell simultaneously, and valve seat is set on inward flange, interior circulation passage and outer circulation passage can be formed equally.And, in above-described embodiment, driver plate is provided with two, can reduce operate time valve rod move axially length, in other embodiments, driver plate also can only arrange one, installs block 213 and blanking plug respectively exit block 214 and coordinate when moving to blanking plug body 21 front and rear with blanking plug; And at least one in two driver plates also can directly be fixed on valve rod 22, when producing blanking plug 2, note the setting angle of block on valve rod.
In addition, the fluid inlet 212 in above-described embodiment on blanking plug body 21 also can be arranged to other forms, such as, be arranged to spoke-like by valve rod supporting bridge 211, relies on the gap-forming fluid inlet 212 between spoke; And valve rod 22 rear portion also can adopt other forms of the prior art to seal, such as, adopt sealing ring sealing.Moreover the dial being used to indicate spool 23 aperture in above-mentioned enforcement is nonessential structure, also can save in other embodiments, and the screwed hole of outer block head 24 front portion also can be arranged to unthreaded hole, by action before and after operator's pull valve rod 22 during use.

Claims (10)

1. a blanking plug, it is characterized in that: comprise blanking plug body and the valve rod of spinning on blanking plug body, the front end of described valve rod is provided with spool, described blanking plug body be provided with described spool with the use of valve seat, the outer peripheral face of blanking plug body is provided with the external screw thread for being connected with the screwed hole that corresponding blowout prevention puts; Described blanking plug body is also provided with to time interval blanking plug installation block and blanking plug exits block, described valve rod is provided with for installing block with blanking plug, blanking plug exits the driver plate that block is in transmission connection to make valve rod drive blanking plug body and rotates.
2. a kind of blanking plug according to claim 1, is characterized in that: described blanking plug body is rotary structure and front portion is provided with the less ladder section of external diameter, and described valve seat is arranged in described ladder section, and described external screw thread is arranged on the outer peripheral face of valve seat.
3. a kind of blanking plug according to claim 1, it is characterized in that: described driver plate comprise to install with blanking plug installation driver plate corresponding to block and with blanking plug exit block corresponding exit driver plate, described installation driver plate and being arranged on described valve rod with exiting driver plate time interval.
4. a kind of blanking plug according to claim 3, is characterized in that: described installation driver plate and/or exit driver plate and can axially movably be assemblied on described valve rod, and described valve rod is provided with the axial limit structure of the shaft orientation moving range limiting corresponding driver plate.
5. a kind of blanking plug according to any one in claim 1-4, is characterized in that: the rear end of described valve rod is arranged with the outer block head coordinated with valve stem seal, and described outer block head has the Hermetical connecting structure for being tightly connected with blowout prevention cover.
6. a kind of blanking plug according to any one in claim 1-4, it is characterized in that: described blanking plug also comprises the dial being provided with spool aperture and indicating, the rear end of described valve rod to be located in described dial and valve rod to be fixed with the graduation indication cover being used to indicate described spool aperture and indicating.
7. a blowout hookup, comprise blowout prevention cover, it is characterized in that: also comprise the blanking plug be arranged in blowout prevention cover, described blanking plug comprises blanking plug body and the valve rod of spinning on blanking plug body, the front end of described valve rod is provided with spool, described blanking plug body be provided with described spool with the use of valve seat; The outer peripheral face of blanking plug body is provided with external screw thread, and described blowout prevention puts the screwed hole be provided with described external screw thread threaded sealing fit; Described blanking plug body is also provided with to time interval blanking plug installation block and blanking plug exits block, described valve rod is provided with for installing block with blanking plug, blanking plug exits the driver plate that block is in transmission connection to make valve rod drive blanking plug body and rotates.
8. a kind of blowout hookup according to claim 7, is characterized in that: described blanking plug body is rotary structure and front portion is provided with the less ladder section of external diameter, and described valve seat is arranged in described ladder section, and described external screw thread is arranged on the outer peripheral face of valve seat.
9. a kind of blowout hookup according to claim 7, it is characterized in that: described driver plate comprise to install with blanking plug installation driver plate corresponding to block and with blanking plug exit block corresponding exit driver plate, described installation driver plate and being arranged on described valve rod with exiting driver plate time interval.
10. a kind of blowout hookup according to any one in claim 7-9, it is characterized in that: the radial sidewalls of described blowout prevention cover is provided with fluid inlet, described screwed hole is arranged on the front end of blowout prevention cover, the rear end of described valve rod is arranged with the outer block head coordinated with valve stem seal, and described outer block head has the Hermetical connecting structure for being connected with the back-end sealing that blowout prevention is overlapped.
CN201520436557.XU 2015-06-24 2015-06-24 Blanking plug and use blowout preventer of this blanking plug Active CN204899855U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520436557.XU CN204899855U (en) 2015-06-24 2015-06-24 Blanking plug and use blowout preventer of this blanking plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520436557.XU CN204899855U (en) 2015-06-24 2015-06-24 Blanking plug and use blowout preventer of this blanking plug

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CN204899855U true CN204899855U (en) 2015-12-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105114033A (en) * 2015-06-24 2015-12-02 中国石油化工股份有限公司 Plug and blowout preventer using same
CN111594108A (en) * 2020-07-08 2020-08-28 江苏普盛石化机械有限公司 Succinct formula glib talker device of adjusting soon

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105114033A (en) * 2015-06-24 2015-12-02 中国石油化工股份有限公司 Plug and blowout preventer using same
CN105114033B (en) * 2015-06-24 2017-12-26 中国石油化工股份有限公司 Blanking plug and the blowout hookup using the blanking plug
CN111594108A (en) * 2020-07-08 2020-08-28 江苏普盛石化机械有限公司 Succinct formula glib talker device of adjusting soon
CN111594108B (en) * 2020-07-08 2024-06-11 江苏普盛石化机械有限公司 Succinct regulation glib device that revolves

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