CN108005606A - A kind of unlimited accumulation of energy sealing device - Google Patents
A kind of unlimited accumulation of energy sealing device Download PDFInfo
- Publication number
- CN108005606A CN108005606A CN201810001387.0A CN201810001387A CN108005606A CN 108005606 A CN108005606 A CN 108005606A CN 201810001387 A CN201810001387 A CN 201810001387A CN 108005606 A CN108005606 A CN 108005606A
- Authority
- CN
- China
- Prior art keywords
- packing
- polished rod
- ratchet
- sealing device
- entrance hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 24
- 238000009825 accumulation Methods 0.000 title claims abstract description 18
- 238000012856 packing Methods 0.000 claims abstract description 64
- 230000002265 prevention Effects 0.000 claims abstract description 14
- 230000006978 adaptation Effects 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 238000012937 correction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004804 winding Methods 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1071—Wear protectors; Centralising devices, e.g. stabilisers specially adapted for pump rods, e.g. sucker rods
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
Abstract
The invention discloses a kind of unlimited accumulation of energy sealing device, including ratchet sleeve, ratchet set upper side is fixed with guiding-in cover, ratchet sleeve lower end, which is rotatably assorted, connects ratchet upper end, ratchet lower end connects taper seal, is provided with cone seal chamber in taper seal, taper seal lower end is provided with connecting ball head, connecting ball head is fixedly connected with lower connector upper end in upper connector upper end, upper connector lower end by the spiral fixed adaptation of set that is fastenedly connected of its outer circumferential side through screw thread；Guiding-in cover upper end is provided with polished rod entrance hole and packing entrance hole, packing entrance hole is spiral entrance hole, one end of polished rod enters through polished rod entrance hole and extends on the outside of lower connector, and one end of packing is directed into cone seal intracavitary around polished rod is spiral through packing entrance hole；It is provided with one end in upper connector hingedly to fix, the other end and the blowout prevention plate of the pre- close contact of polished rod elasticity.The unlimited accumulation of energy sealing device of the present invention can meet the correction of not stop sealing and polished rod, rate and work efficiency when raising drives a well.
Description
Technical field
The present invention relates to a kind of unlimited accumulation of energy sealing device, it is a key fitment of oil field production lifting means, is risen
Sealed to sucker rod, ensure that pumping unit production work is normal, the effect that well head is oil-proof, oil-tight.
Background technology
Current sealing device is primarily present following problem：
Packing materials'use wastes problem；The problem of existing packing box feed time is long and adds packing to shut down；Oil pumping
Machine polished rod offset problem；The problem of spending to buy filler (packing).
Packing materials'use wastes problem：After packing adds product, oil-extractor polish-rod is twitched all at one of abrasion up and down
Point, causes the quick consumption damage of packing, increases production cost.
The problem of existing packing box feed time is long and adds packing to shut down：Existing packing box installs packing additional
First the pressure cap of packing box is gone down, is removed with screwdriver used waste and old packing, is loaded into again new packing
Compressed and be compacted with specific purpose tool, covered pressure cap and be wrenched again, completion is just calculated in the work of this one of removable disk root.Time-consuming and laborious, increase
Labor intensity.And adding packing to shut down, the prior art can not solve.
Oil-extractor polish-rod offset problem：Existing product can only achieve the lateral shift correction to polished rod, angled to tilting
Polished rod can not rectify a deviation, if things go on like this abrasion to polished rod is very big, directly accelerates the replacement frequency of polished rod and packing, increase production
Cost.
The problem of spending to buy filler (packing)：Annual oil recovery factory can all take out a fund and remove purchase packing, invisible
In cause the increase of production cost
The content of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of unlimited accumulation of energy sealing device can meet not
The correction of stop sealing and polished rod, raising is when driving a well from the aspect of rate and work efficiency.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of unlimited accumulation of energy sealing device, including ratchet sleeve, the ratchet set upper side are fixed with guiding-in cover, the ratchet sleeve
Lower end, which is rotatably assorted, connects ratchet upper end, and the ratchet lower end is screwed by thread bush and connects taper seal upper end, institute
State and cone seal chamber is provided with taper seal, the taper seal lower end is provided with connecting ball head, the connecting ball head
The spiral fixed adaptation of set is fastenedly connected in upper connector upper end by its outer circumferential side, the upper connector lower end is fixed through screw thread to be connected
Connect lower connector upper end；
The guiding-in cover upper end is provided with polished rod entrance hole and packing entrance hole, and the packing entrance hole is spiral oblique for two
The spiral entrance hole that face is formed, one end of a polished rod enters through the polished rod entrance hole and extends to outside the lower connector
Side, one end of a packing are directed into the cone seal intracavitary around the polished rod is spiral through the packing entrance hole；
One end is provided with the upper connector hingedly to fix, the other end and the blowout prevention of the pre- close contact of polished rod elasticity
Plate, the open flow plate are used to upspringing under the action of elastic pre-stress when the polished rod comes off with by the upper connector
End sealing.
Further, the upper connector upper end is with being provided with the polytetrafluoroethylsealed sealed of annular at the cooperation of the connecting ball head
Seat.
Further, the anti-spray seat of annular is provided with the upper connector of the polytetrafluoroethylsealed sealed seat lower end, it is described anti-
Spray plate one end is hingedly fixed with the anti-spray seat lower end by axis pin, is provided with the axis pin and is provided pretension to the blowout prevention plate
The spring of elastic force, when the polished rod comes off, the blowout prevention plate is under the action of the pretension elastic force of the spring by this anti-spray seat
Lower end seals.
Further, flexible crushing block is set between the lower connector and the screw thread, and the crushing block is in ring
The convex of shape, the crushing block lower end is supported by the annular backup pad set on the lower connector inner wall, under rotation is described
Connector drives the crushing block to move up and extrudes described its adjustable leakproofness of crushing block expansion with the screw thread.
Further, the packing lid and the ratchet sleeve outer circumferential side are correspondingly arranged on the first threaded hole being adapted to, and by
First screw element sequentially passes through packing lid described in two the first threaded hole fixed-links and the ratchet sleeve.
Further, the ratchet sleeve outer circumferential side fixed handle.
Further, the ratchet sleeve outer circumferential side is provided with threaded hole, and the second screw element, institute are provided with the threaded hole
State the second screw element then ratchet coordinate it is spacing to prevent its revolution.
Further, second threaded hole is arranged in the handle.
Further, the packing can be substituted by waste and old or new V-belt.
Compared with prior art, advantageous effects of the invention：
Packing (waste and old V-belt) one end is inserted into through packing entrance hole, packing lid phase is driven by rotatable handle ratchet sleeve
Ratchet is rotated one end of packing is gradually directed into cone seal intracavitary in the shape of a spiral, when leakproofness reduces, without shutting down,
Continue through rotatable handle ratchet sleeve drive packing lid rotated with respect to ratchet packing gradually continued it is close into the reinforcement of cone seal intracavitary
Envelope property, and the packing being exposed can also import successively for a long time, reach long term seal use；Pass through connection
Bulb, adjusts the angle of taper seal and connecting ball head to realize that the angle of polished rod is rectified a deviation as needed；Even if polished rod
Come off blowout prevention plate automatic closing function can automatic plugging well head, prevent crude oil from spraying, really realize no pollution.
Brief description of the drawings
The invention will be further described for explanation below in conjunction with the accompanying drawings.
Fig. 1 is the structure diagram of the unlimited accumulation of energy sealing device of the present invention；
Fig. 2 is the dimensional structure diagram of packing lid；
Fig. 3 is the top view of packing lid；
The bottom view of Fig. 4 positions packing lid；
Fig. 5 is the overlooking the structure diagram of ratchet；
Description of reference numerals：1- ratchet sleeves；2- packing lids；201- polished rod entrance holes；202- packing entrance holes；2021- spiral shells
Revolve inclined-plane；3- ratchets；4- taper seals；401；Cone seal chamber；5- connecting ball heads；6- is fastenedly connected set；7- upper connectors；
8- screw threads；Connector under 9-；10- blowout prevention plates；The polytetrafluoroethylsealed sealed seats of 11-；The anti-spray seats of 12-；13- extruding is fast；14- handles；15- light
Bar；16- packings；The first screw elements of 17-；The second screw elements of 18-；19- annular backup pads.
Embodiment
As shown in Fig. 1 to 5, a kind of unlimited accumulation of energy sealing device, including ratchet sleeve 1,1 upper end of ratchet sleeve, which is fixed with, leads
Enter lid 2,1 lower end of ratchet sleeve is rotatably assorted 3 upper end of connection ratchet, and 3 lower end of ratchet is screwed company by thread bush
Taper seal upper end 4 is connect, cone seal chamber 401 is provided with the taper seal 4,4 lower end of taper seal is set
Connected ball 5 is equipped with, the connecting ball head 5 is fastenedly connected 6 spiral fixed adaptations of set on upper connector 7 by its outer circumferential side
End, 7 lower end of upper connector is fixedly connected with lower 9 upper end of connector through screw thread 8；
2 upper end of guiding-in cover is provided with polished rod entrance hole 201 and packing entrance hole 202, and the packing entrance hole 202 is
The spiral entrance hole that two screw inclined planes 2021 are formed, one end of a polished rod 15 enters and prolongs through the polished rod entrance hole 201
Extend the outside of the lower connector 9, one end of a packing 16 is led around the polished rod 15 is spiral through the packing entrance hole 202
Enter to the cone seal intracavitary of the taper seal 4；
One end is provided with the upper connector 7 hingedly to fix, the other end is anti-with the pre- close contact of the elasticity of polished rod 15
Spray plate 10, the open flow plate 10 is used to upspringing under the action of elastic pre-stress when the polished rod 15 comes off to connect on will be described
The upper end sealing of fitting 7.
Wherein：7 upper end of upper connector and the polytetrafluoroethylsealed sealed seat that annular is provided with the cooperation of the connecting ball head 5
11.The anti-spray seat 12 of annular, described 10 one end of blowout prevention plate are provided with the upper connector 7 of 11 lower end of polytetrafluoroethylsealed sealed seat
Hingedly fixed by axis pin with anti-12 lower end of spray seat, be provided with the axis pin and provide pretension elastic force to the blowout prevention plate
Spring, when the polished rod 15 comes off, the blowout prevention plate 10 is under the action of the pretension elastic force of the spring by this anti-spray seat 12
Lower end seals.Flexible crushing block 13 is set between the lower connector 9 and the screw thread 8, and the crushing block 13 is in a ring
Convex, 13 lower end of crushing block is supported by the annular backup pad 19 set on lower 9 inner wall of connector.Described in rotation
Screw thread 7 moves down, and the screw thread 8 is extruded the crushing block 13, makes fast 13 expansion of extruding, can adjust its sealing at any time as needed
Property, form dual-seal with above-mentioned cone seal chamber 401.
Further, the packing lid 2 is correspondingly arranged on the first threaded hole being adapted to 1 outer circumferential side of ratchet sleeve, and
Packing lid 2 and the ratchet sleeve 1 as described in the first screw element 17 sequentially passes through two the first threaded hole fixed-links.The ratchet
Cover 1 outer circumferential side fixed handle 14.1 outer circumferential side of ratchet sleeve is provided with threaded hole, and the second screw thread is provided with the threaded hole
Part 18, second screw element 18 is spacing to prevent its revolution with the then ratchet cooperation, and second threaded hole is arranged at
In the handle 14.
The packing can be substituted by waste and old or new V-belt, and cost substantially reduces.
The action process of the present invention is as follows：
(waste and old V-belt) one end of packing 16 is inserted into through packing entrance hole 202 and (ensures that it is inserted in the shape of a spiral manually at this time
Enter, while the packing for being exposed to outside is enclosed also around 15 spiral winding one of polished rod or half-turn simultaneously hand somewhat firmly pressing), pass through hand
14 rotating ratchet of handle set, 11 drive packing lid 2 is rotated relative to ratchet is gradually directed into cone seal in the shape of a spiral by one end of packing
In chamber 401, the insertion end of the second screw element 18 is adapted to spacing to prevent ratchet sleeve revolution from (ensureing ratchet sleeve 1 the with ratchet
Can only be rotated in one direction under the restriction effect of two screw elements 18 to turn round), when leakproofness reduces, without shutting down, after
Continue to rotate gradually to continue packing relative to ratchet 3 by 3 rotating ratchet of handle set, 1 drive packing lid 2 and add into cone seal chamber 401
Strong leakproofness, and the packing being exposed can also import successively for a long time, reach long term seal use；Pass through
Rotation, which is adjusted, is fastenedly connected the elastic fitness that set 6 adjusts connecting ball head 5, and connecting ball head 5 is adjusted certain angle as needed
The angle correction of polished rod 15 during solving the problems, such as wear of parts；And when polished rod 5 surprisingly comes off, blowout prevention plate 10 is in bullet
It is automatically closed under the pretension elastic force effect of spring, blocks well head, prevent crude oil from spraying, really realize no pollution.
Embodiment described above is only that the preferred embodiment of the present invention is described, and not the scope of the present invention is carried out
Limit, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art make technical scheme
Various modifications and improvement, should all fall into the protection domain that claims of the present invention determines.
Claims (9)
- A kind of 1. unlimited accumulation of energy sealing device, it is characterised in that：Including ratchet sleeve, the ratchet set upper side is fixed with guiding-in cover, The ratchet sleeve lower end, which is rotatably assorted, connects ratchet upper end, and the ratchet lower end is screwed by thread bush and connects cone seal Part upper end, is provided with cone seal chamber in the taper seal, the taper seal lower end is provided with connecting ball head, described Connecting ball head is fastenedly connected the spiral fixed adaptation of set in upper connector upper end, upper connector lower end organizine by its outer circumferential side Button is fixedly connected with lower connector upper end；The guiding-in cover upper end is provided with polished rod entrance hole and packing entrance hole, and the packing entrance hole is two screw inclined plane structures Into spiral entrance hole, one end of a polished rod enters through the polished rod entrance hole and extends on the outside of the lower connector, one One end of root packing is directed into the cone seal intracavitary around the polished rod is spiral through the packing entrance hole；One end is provided with the upper connector hingedly to fix, the other end and the blowout prevention plate of the pre- close contact of polished rod elasticity, institute Open flow plate is stated to be used to upspring so that the upper end of the upper connector is close under the action of elastic pre-stress when the polished rod comes off Envelope.
- 2. unlimited accumulation of energy sealing device according to claim 1, it is characterised in that：The upper connector upper end and the company Receive head cooperation at be provided with annular polytetrafluoroethylsealed sealed seat.
- 3. unlimited accumulation of energy sealing device according to claim 1, it is characterised in that：The polytetrafluoroethylsealed sealed seat lower end it is described The anti-spray seat of annular is provided with upper connector, described blowout prevention plate one end is hingedly fixed with the anti-spray seat lower end by axis pin, The spring that pretension elastic force is provided to the blowout prevention plate is provided with the axis pin, when the polished rod comes off, the blowout prevention plate is in institute State and seal this anti-spray seat lower end under the action of the pretension elastic force of spring.
- 4. unlimited accumulation of energy sealing device according to claim 1, it is characterised in that：The lower connector and the screw thread it Between flexible crushing block is set, the convex of the crushing block in a ring, the crushing block lower end is by the lower connector The annular backup pad support set on wall, the rotation lower connector drive the crushing block move up with described in screw thread extruding Crushing block expansion adjusts its leakproofness.
- 5. unlimited accumulation of energy sealing device according to claim 1, it is characterised in that：Outside the packing lid and the ratchet sleeve Side is correspondingly arranged on the first threaded hole of adaptation, and sequentially passes through two the first threaded hole fixed-link institutes by the first screw element State packing lid and the ratchet sleeve.
- 6. unlimited accumulation of energy sealing device according to claim 1, it is characterised in that：The ratchet sleeve outer circumferential side fixes hand Handle.
- 7. unlimited accumulation of energy sealing device according to claim 1, it is characterised in that：The ratchet sleeve outer circumferential side is provided with spiral shell Pit, is provided with the second screw element in the threaded hole, and the second screw element then ratchet coordinates spacing to prevent It is turned round.
- 8. unlimited accumulation of energy sealing device according to claim 7, it is characterised in that：Second threaded hole is arranged at described In handle.
- 9. unlimited accumulation of energy sealing device according to claim 1, it is characterised in that：The packing can be by waste and old or new three Angle band substitutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810001387.0A CN108005606A (en) | 2018-01-02 | 2018-01-02 | A kind of unlimited accumulation of energy sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810001387.0A CN108005606A (en) | 2018-01-02 | 2018-01-02 | A kind of unlimited accumulation of energy sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108005606A true CN108005606A (en) | 2018-05-08 |
Family
ID=62049976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810001387.0A Pending CN108005606A (en) | 2018-01-02 | 2018-01-02 | A kind of unlimited accumulation of energy sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108005606A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489839A (en) * | 2018-05-29 | 2018-09-04 | 辽宁众森装备制造有限公司 | Packing wear condition monitoring device |
| CN109505554A (en) * | 2019-01-15 | 2019-03-22 | 陈超 | The full seal apparatus of four ram preventer of coiled tubing |
| CN109519143A (en) * | 2019-01-15 | 2019-03-26 | 陈超 | Four flashboard coiled tubing blowout preventers |
| CN109882109A (en) * | 2019-03-11 | 2019-06-14 | 中国石油天然气股份有限公司 | A kind of limit tune just its blowout prevention box of anti-spraying mechanism and application |
| CN110454108A (en) * | 2019-08-20 | 2019-11-15 | 大庆因你美丽机械设备制造有限公司 | Unlimited continuous energy sealing device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009039739A1 (en) * | 2007-09-27 | 2009-04-02 | Banglai Mao | Wellhead assembly |
| CN201963243U (en) * | 2010-12-31 | 2011-09-07 | 檀志远 | Intellectual full-automatic sucker rod seals blowout preventer |
| CN201972645U (en) * | 2011-01-11 | 2011-09-14 | 赵江泉 | Multifunctional sealing device for polished rod at well head of oil pumping unit |
| CN204082078U (en) * | 2014-09-05 | 2015-01-07 | 程少春 | A kind of wellhead sealing device of direct accumulation of energy automatic blowout-prevention |
| CN205297440U (en) * | 2016-01-19 | 2016-06-08 | 任丘市本溪石油设备有限公司 | Optional many function combination of formula packing box |
| US20160208565A1 (en) * | 2015-01-21 | 2016-07-21 | Clarence Alvin Bolstad, JR. | Polished Rod Alignment System |
| CN205823193U (en) * | 2016-08-12 | 2016-12-21 | 赵江泉 | Well head eccentric abrasion prevention load reducer |
| CN206280034U (en) * | 2016-12-26 | 2017-06-27 | 程少春 | A kind of angle correction oil and gas wellhead sealer |
| CN207847574U (en) * | 2018-01-02 | 2018-09-11 | 陈艳来 | One kind not shutting down continuous accumulation of energy sealing device |
-
2018
- 2018-01-02 CN CN201810001387.0A patent/CN108005606A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009039739A1 (en) * | 2007-09-27 | 2009-04-02 | Banglai Mao | Wellhead assembly |
| CN201963243U (en) * | 2010-12-31 | 2011-09-07 | 檀志远 | Intellectual full-automatic sucker rod seals blowout preventer |
| CN201972645U (en) * | 2011-01-11 | 2011-09-14 | 赵江泉 | Multifunctional sealing device for polished rod at well head of oil pumping unit |
| CN204082078U (en) * | 2014-09-05 | 2015-01-07 | 程少春 | A kind of wellhead sealing device of direct accumulation of energy automatic blowout-prevention |
| US20160208565A1 (en) * | 2015-01-21 | 2016-07-21 | Clarence Alvin Bolstad, JR. | Polished Rod Alignment System |
| CN205297440U (en) * | 2016-01-19 | 2016-06-08 | 任丘市本溪石油设备有限公司 | Optional many function combination of formula packing box |
| CN205823193U (en) * | 2016-08-12 | 2016-12-21 | 赵江泉 | Well head eccentric abrasion prevention load reducer |
| CN206280034U (en) * | 2016-12-26 | 2017-06-27 | 程少春 | A kind of angle correction oil and gas wellhead sealer |
| CN207847574U (en) * | 2018-01-02 | 2018-09-11 | 陈艳来 | One kind not shutting down continuous accumulation of energy sealing device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489839A (en) * | 2018-05-29 | 2018-09-04 | 辽宁众森装备制造有限公司 | Packing wear condition monitoring device |
| CN108489839B (en) * | 2018-05-29 | 2024-04-26 | 辽宁众森装备制造有限公司 | Packing wearing state monitoring device |
| CN109505554A (en) * | 2019-01-15 | 2019-03-22 | 陈超 | The full seal apparatus of four ram preventer of coiled tubing |
| CN109519143A (en) * | 2019-01-15 | 2019-03-26 | 陈超 | Four flashboard coiled tubing blowout preventers |
| CN109519143B (en) * | 2019-01-15 | 2021-06-04 | 大庆丹枫石油技术开发有限公司 | Four-flashboard continuous oil pipe blowout preventer |
| CN109882109A (en) * | 2019-03-11 | 2019-06-14 | 中国石油天然气股份有限公司 | A kind of limit tune just its blowout prevention box of anti-spraying mechanism and application |
| CN109882109B (en) * | 2019-03-11 | 2021-05-14 | 中国石油天然气股份有限公司 | Limit deviation-adjusting blowout prevention mechanism and blowout prevention box using same |
| CN110454108A (en) * | 2019-08-20 | 2019-11-15 | 大庆因你美丽机械设备制造有限公司 | Unlimited continuous energy sealing device |
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