CN114645684B - Device is robbed to christmas tree jackscrew thorn leakage - Google Patents
Device is robbed to christmas tree jackscrew thorn leakage Download PDFInfo
- Publication number
- CN114645684B CN114645684B CN202210272351.2A CN202210272351A CN114645684B CN 114645684 B CN114645684 B CN 114645684B CN 202210272351 A CN202210272351 A CN 202210272351A CN 114645684 B CN114645684 B CN 114645684B
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- CN
- China
- Prior art keywords
- plunger body
- bar block
- sleeve
- sides
- driving
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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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
Abstract
The invention is suitable for the technical field of oilfield exploitation, and provides a device for preventing a plug thread of a christmas tree from being pricked and blown out, which comprises a bar block, supporting legs rotatably connected to two sides of the bar block, a compressing unit and a sleeve joint piece; the compression unit comprises a plunger body which is in sliding clamping connection with the bar block, the plunger body slides along the length direction of the bar block, one end of the plunger body, which is positioned outside the bar block, is fixedly connected with a sealing plug, and a driving piece is arranged on the other side of the bar block and is used for driving the plunger body to move in the bar block; the socket joint piece rotates and connects the one end that keeps away from the stick on the stabilizer blade, and the socket joint piece cup joints on the jackscrew of flange both sides. The beneficial effects are as follows: the device does not need to adopt a conventional anchor ear fixing mode, realizes the whole fixing work of the device by moving the sleeve joint piece and the plunger body on the supporting legs at two sides, and can greatly reduce the fixing time of the device, thereby improving the efficiency of the blowout control work.
Description
Technical Field
The invention belongs to the technical field of oilfield exploitation, and particularly relates to a device for preventing a jet from being blown out by a jet of a top thread of a christmas tree.
Background
Christmas trees are wellhead devices used to recover oil. The device is main equipment for controlling and regulating oil and gas production at the uppermost part of an oil and gas well, and mainly comprises three parts, namely a casing head, a tubing head and an oil (gas) production tree body.
The jackscrew is evenly screwed on the circumference of well head cross upper portion flange for the inside oil pipe of fixed suspension flange, because liquid in the oil-water well has very strong corrosivity with gaseous such as carbon dioxide, hydrogen sulfide, consequently the jackscrew can be corroded often, leads to the condition that the jackscrew hole position takes place to thorn and leak, in actual conditions because the existence of christmas tree internal pressure can not directly change new jackscrew, so need special rob spray device for will thorn leak shutoff temporarily, avoid dangerous condition to take place.
The existing jackscrew thorn leaks to rob spouts device generally adopts the structure of staple bolt to fix the device on the flange, then blocks the jackscrew hole through pushing structure, and the device is fixed at first on the christmas tree flange structure more loaded down with trivial details, need screw up many bolts and just can realize stable fixed, leads to having wasted time when robbing spouts.
Disclosure of Invention
The embodiment of the invention aims to provide a device for preventing a jet from being pricked by a top thread of a christmas tree, and aims to solve the problems in the background art.
The embodiment of the invention is realized in such a way that the device for preventing the blowout of the top thread of the christmas tree from being pricked comprises a bar block, supporting legs which are rotatably connected to two sides of the bar block, a compressing unit and a sleeving piece;
the compression unit comprises a plunger body which is in sliding clamping connection with the bar block, the plunger body slides along the length direction of the bar block, one end of the plunger body, which is positioned outside the bar block, is fixedly connected with a sealing plug, and a driving piece is arranged on the other side of the bar block and is used for driving the plunger body to move in the bar block;
the socket joint piece rotates the one end of connecting keeping away from the stick on the stabilizer blade, and the socket joint piece cup joints on the jackscrew of flange both sides, and the one side of keeping away from the socket joint piece on the stabilizer blade opens the empty slot position, and the width of empty slot position is greater than the external diameter of jackscrew.
Preferably, the support leg adopts telescopic structure, and the one end that is close to the strip piece on the support leg is provided with the regulating part, and the regulating part is used for driving the support leg and stretches out and draws back.
Preferably, the support frame is fixedly connected with on both sides of the bar, the support leg comprises a sleeve which is rotationally connected with the support frame, a straight rod is inserted in the sleeve in a sliding manner, the sleeve is rotationally connected with the other end of the straight rod, the empty slot is formed in the straight rod, the adjusting piece is used for driving the straight rod to move, and when the straight rod moves in the sleeve, the rotation of the straight rod is limited.
Preferably, the clamping pieces are fixedly connected to two sides of the bar block and used for fixing the sleeve.
Preferably, the bar block is internally provided with a mounting hole, the plunger body is positioned in the mounting hole, two sides of the mounting hole are provided with sliding grooves, and two sides of the plunger body are fixedly connected with clamping blocks which are in sliding clamping connection with the sliding grooves.
Preferably, the sealing plug is of a hollow structure, a channel is formed in the plunger body, and a telescopic piece and a filling head are arranged in the channel and used for driving the filling head to move towards the sealing plug.
Preferably, the telescopic member is including rotating the control rod of connecting in the fixture block and one end is located the passageway to and rotate the transmission shaft of connecting in the passageway and setting up along passageway length direction, the control rod is used for driving the transmission shaft and rotates, the one end fixedly connected with screw rod of axis of rotation, the cooperation has cup jointed the movable block on the screw rod, fill first and movable block fixed connection.
Preferably, the channel and the moving block are both polygonal.
Preferably, the plunger body is fixedly connected with a sealing ring positioned at the outer side of the sealing plug.
The device for spraying the tree jackscrew in a thorn, leakage and robbery way provided by the embodiment of the invention has the beneficial effects that: when the device is used, the sleeving parts on the supporting legs on the two sides are sleeved on the jackscrews on the flanges, the driving parts drive the plunger bodies to move in the jackscrew holes, the sealing top at the end heads of the plunger bodies can block and seal the jackscrew holes, so that the spraying work is completed.
Drawings
FIG. 1 is a schematic diagram of installation and use of a device for blowout prevention by a plug of a christmas tree according to an embodiment of the present invention;
FIG. 2 is a front view of a device for preventing a blowout of a jack screw of a christmas tree according to an embodiment of the present invention;
FIG. 3 is a cross-sectional structure diagram of a device for preventing a blowout of a jack screw of a christmas tree according to the embodiment of the present invention;
FIG. 4 is a cross-sectional view at A-A in FIG. 2;
FIG. 5 is a partial enlarged view at B in FIG. 3;
fig. 6 is a perspective view of a plunger body according to an embodiment of the present invention;
in the accompanying drawings: 1-bar blocks; 2-supporting legs; 201-an adjusting member; 202-a sleeve; 203-a straight rod; 3-a compacting unit; 301-a plunger body; 302-sealing the plug; 303-a driver; 4-socket; 5-flanges; 6-jackscrews; 7-empty slot positions; 8-supporting frames; 9-clamping pieces; 10-mounting hole sites; 11-a chute; 12-clamping blocks; 13-channel; 14-telescoping pieces; 1401-a joystick; 1402-a drive shaft; 1403-screw; 1404-moving the block; 15-a filling head; 16-sealing ring.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1, fig. 2 and fig. 3, the structure diagram of the tree top thread piercing, leakage and blowout preventing device provided by an embodiment of the present invention includes:
comprises a bar block 1, supporting legs 2 rotatably connected to two sides of the bar block 1, a compressing unit 3 and a sleeving piece 4.
The compressing unit 3 comprises a plunger body 301 which is slidably clamped in the bar block 1, the plunger body 301 slides along the length direction of the bar block 1, one end of the plunger body 301, which is positioned outside the bar block 1, is fixedly connected with a sealing plug 302, a driving piece 303 is arranged on the other side of the bar block 1, and the driving piece 303 is used for driving the plunger body 301 to move in the bar block 1.
The socket joint piece 4 rotates and connects the one end that keeps away from strip piece 1 on stabilizer blade 2, and socket joint piece 4 cup joints on jackscrew 6 of flange 5 both sides, and the one side that keeps away from socket joint piece 4 on the stabilizer blade 2 opens the empty slot 7 that has, and the width of empty slot 7 is greater than the external diameter of jackscrew 6.
In one embodiment of the invention, when the device is used, the sleeve-joint parts 4 on the supporting legs 2 at two sides are sleeved on the jackscrews 6 with two intact sides on the flange 5, then the driving part 303 drives the plunger body 301 to move towards the jackscrew holes, the sealing top 302 at the end of the plunger body 301 can block and seal the jackscrew holes, so that the blowout rush is completed.
In one embodiment of the present invention, the driving member 303 may be a threaded rod screwed on the bar 1, one end of the threaded rod located outside the bar 1 is fixedly connected with a handle, and the other end of the threaded rod is rotatably connected with the plunger body 301, so that when the threaded rod is rotated by the handle, the threaded rod can move itself, the threaded rod pushes the plunger body 301 to move forward, although the driving member 303 may also be a threaded rod rotatably connected on the bar 1, and the threaded rod is screwed in the plunger body 301, and can also drive the plunger body 301 to move, and the sealing plug 302 may be a rubber head, where the rubber head has a conical shape. The effect of the empty slots 7 is to avoid interference of the legs 2 with the rest of the jackscrews 6.
As shown in fig. 3, as a preferred embodiment of the present invention, the support leg 2 adopts a telescopic structure, and an adjusting member 201 is disposed on one end of the support leg 2 near the bar 1, where the adjusting member 201 is used to drive the support leg 2 to stretch and retract.
In one case of this embodiment, the support frame 8 is fixedly connected to two sides of the bar block 1, the supporting leg 2 includes a sleeve 202 rotationally connected to the support frame, a straight rod 203 is slidably inserted into the sleeve 202, the sleeve 4 is rotationally connected to the other end of the straight rod 203, the empty slot 7 is opened on the straight rod 203, the adjusting member 201 is used for driving the straight rod 203 to move, when the straight rod 203 moves in the sleeve 202, the rotation of the straight rod 203 is limited, the straight rod 203 can adopt a rod member with a polygonal cross section, the empty slot 7 can be conveniently opened on the straight rod 203, and the straight rod 203 can not rotate in a hole slot during the movement, so that the rest jackscrews 6 outside the flange 5 can be located in the empty slot 7, the adjusting member 201 can adopt a structural form of a threaded rod, one end of the threaded rod can be rotationally connected to the end of the sleeve 202, of course, the threaded rod can also be rotationally connected to one end of the sleeve 202, and correspondingly the threaded rod needs to be matched and inserted into the straight rod 203, and both the implementation forms can drive the straight rod 203 to move in the sleeve 202, so that the supporting leg 2 can be adjusted in a situation that the supporting leg 4 is not suitable for the situation that the supporting leg is in a situation that the supporting leg is fixed in the length of the supporting leg 2, and the supporting leg is in a situation of being adjusted.
As shown in fig. 2 and 3, the above embodiment is supplemented, and two sides of the bar block 1 are fixedly connected with clamping pieces 9, and the clamping pieces 9 are used for fixing the sleeve 202.
In the case of this embodiment, because stabilizer blade 2 is the nimble state of rotating for stick 1, therefore accomodate inconvenient when the device is not used, and set up joint spare 9 in the side of stick 1 and can fix stabilizer blade 2 to can accomodate stabilizer blade 2 of device, make the whole occupation space of device less, conveniently put and accomodate, joint spare 9 can adopt the structural style of buckle, of course also can adopt the magnetism to inhale the mode and fix stabilizer blade 2.
As shown in fig. 2, 4 and 6, as a preferred embodiment of the present invention, the bar 1 is provided with a mounting hole 10, the plunger 301 is located in the mounting hole 10, two sides of the mounting hole 10 are provided with sliding grooves 11, and two sides of the plunger 301 are fixedly connected with clamping blocks 12 that are slidably clamped in the sliding grooves 11.
In one case of this embodiment, since the implementation manner in which the driving member 303 drives the plunger body 301 to move is described above, the plunger body 301 itself will rotate, so that the sealing plug 302 rotates to enter the jack, so that the sealing plug 302 will generate rotational friction with the inner wall of the jack, and wear will be aggravated, and the plunger body 301 can not rotate by itself when the driving member 303 adopts any implementation manner under the cooperation of the clamping block 12 and the sliding groove 11, so that the sealing plug 302 moves along a straight line to be inserted into the jack, thereby effectively reducing wear.
As shown in fig. 3, fig. 4, and fig. 5, the above embodiment is used for supplementing the description, the sealing plug 302 is of a hollow structure, the plunger 301 is internally provided with a channel 13, the channel 13 is internally provided with a telescopic member 14 and a filling head 15, and the telescopic member 14 is used for driving the filling head 15 to move into the sealing plug 302.
In one case of this embodiment, the replacement of the sealing plug 302 is troublesome in the actual situation, and the size of the plug hole on different christmas tree flanges 5 is different, therefore, when the sealing plug 302 carries out in the plug hole, it may not be able to effectively seal, therefore, it can drive the filling head 15 through the telescopic piece 14 to move, thereby make the sealing plug 302 expand, make the plug hole that originally can not seal can carry out effective shutoff, mainly, can adjust the volume size of the sealing plug 302, make the device not only seal the plug hole of multiple size specification, and during conventional shutoff, the supporting role of the plug that the filling head 15 moves also can improve, make the sealing plug 302 and plug hole inner wall laminating more, the telescopic piece 14 includes the actuating lever 1401 that rotates to connect in the fixture block 12 and one end is located in the passageway 13, and the transmission shaft 1402 that rotates to connect in the passageway 13 and set up along the length direction of the passageway 1402, one end fixedly connected with screw 1403 of the transmission shaft 1402, it has a movable block to cup joint on the screw rod 1403, the movable block 1404, of course, the movable block 15 also can be moved with the telescopic piece 1404, can take place the form of course, the expansion joint with the movable plug 15, the movable plug 15 can not take place in the form of the shape of the telescopic piece 15, and the movable plug 15 is filled with the movable plug 15, when the movable plug 15 is made in the shape of the movable plug 15.
As shown in fig. 5, as a preferred embodiment of the present invention, the sealing ring 16 located outside the sealing plug 302 is fixedly connected to the plunger body 301.
In one case of this embodiment, due to the plugging manner of the sealing plug 302, the gap between the sealing plug 302 and the jack may leak, and the sealing ring 16 may perform an additional plugging function, so as to ensure the device to perform the blowout-robbing plugging effect on the jack.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The device is characterized by also comprising a compression unit and a sleeve joint piece;
the compression unit comprises a plunger body which is in sliding clamping connection with the bar block, the plunger body slides along the length direction of the bar block, one end of the plunger body, which is positioned outside the bar block, is fixedly connected with a sealing plug, and a driving piece is arranged on the other side of the bar block and is used for driving the plunger body to move in the bar block;
the sleeve joint piece is rotatably connected to one end, far away from the bar block, of the support leg, the sleeve joint piece is sleeved on jackscrews on two sides of the flange, and one side, far away from the sleeve joint piece, of the support leg is provided with an empty slot, and the width of the empty slot is larger than the outer diameter of the jackscrews;
the support leg adopts a telescopic structure, one end, close to the bar, of the support leg is provided with an adjusting piece, the adjusting piece is used for driving the support leg to stretch and retract, two sides of the bar are fixedly connected with a supporting frame, the support leg comprises a sleeve which is rotationally connected to the supporting frame, a straight rod is in sliding insertion connection in the sleeve, the sleeve is rotationally connected to the other end of the straight rod, the empty slot is formed in the straight rod, the adjusting piece is used for driving the straight rod to move, and when the straight rod moves in the sleeve, the rotation of the straight rod is limited;
the sealing plug is characterized in that an installation hole site is formed in the bar block, the plunger body is positioned in the installation hole site, sliding grooves are formed in two sides of the installation hole site, clamping blocks which are in sliding clamping connection with the sliding grooves are fixedly connected to two sides of the plunger body, the sealing plug is of a hollow structure, a channel is formed in the plunger body, and a telescopic piece and a filling head are arranged in the channel and used for driving the filling head to move towards the sealing plug; the telescopic member is including rotating the control rod of connecting in the fixture block and one end is located the passageway to and rotate the transmission shaft of connecting in the passageway and setting up along passageway length direction, the control rod is used for driving the transmission shaft and rotates, the one end fixedly connected with screw rod of axis of rotation, the movable block has been cup jointed in the cooperation on the screw rod, fill head and movable block fixed connection.
2. The device for preventing the blowout of the jack screw of the christmas tree according to claim 1, wherein the clamping pieces are fixedly connected to two sides of the bar block and used for fixing the sleeve.
3. The tree jack-screw blowout preventer of claim 1, wherein the channel and the moving block are polygonal.
4. The device for preventing the blowout of the jack screw of the christmas tree according to claim 1, wherein the sealing ring positioned at the outer side of the sealing plug is fixedly connected to the plunger body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210272351.2A CN114645684B (en) | 2022-03-18 | 2022-03-18 | Device is robbed to christmas tree jackscrew thorn leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210272351.2A CN114645684B (en) | 2022-03-18 | 2022-03-18 | Device is robbed to christmas tree jackscrew thorn leakage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114645684A CN114645684A (en) | 2022-06-21 |
| CN114645684B true CN114645684B (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210272351.2A Active CN114645684B (en) | 2022-03-18 | 2022-03-18 | Device is robbed to christmas tree jackscrew thorn leakage |
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| Country | Link |
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| CN (1) | CN114645684B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2559776Y (en) * | 2002-07-12 | 2003-07-09 | 杨立国 | Suspended well head for petroleum pilot production |
| CN201087708Y (en) * | 2007-09-13 | 2008-07-16 | 中国石化集团胜利石油管理局井下作业三公司 | Mounting tools for incontrollable well blowout spraying device |
| CN202531061U (en) * | 2012-05-07 | 2012-11-14 | 长沙矿山研究院有限责任公司 | Fixture mechanism of rod replacing mechanism of deep sea drilling machine |
| CN203171503U (en) * | 2013-01-30 | 2013-09-04 | 中国石油天然气股份有限公司 | Christmas tree fastening screw fast pushing spanner |
| CN103306630A (en) * | 2013-05-29 | 2013-09-18 | 中国石油化工股份有限公司 | Rapid oil well blowout preventer |
| CN203808908U (en) * | 2014-04-17 | 2014-09-03 | 中国石油化工股份有限公司 | Anti-piercing-leakage device for well mouth packing box |
| CN105781469A (en) * | 2016-03-30 | 2016-07-20 | 天津大港油田石油工程研究院钻采技术开发公司 | Gravity self-sealed blowout rescue device |
| CN108119089A (en) * | 2017-11-24 | 2018-06-05 | 中国石油天然气集团公司 | Prevent the devices and methods therefor of tubing string play |
| CN110094178A (en) * | 2019-05-31 | 2019-08-06 | 中国石油集团川庆钻探工程有限公司 | Suitable for having the well head reset apparatus and remapping method of bottom flange |
| CN212399391U (en) * | 2020-06-11 | 2021-01-26 | 乔富宝 | Oil recovery well head flange and clamp bolt extracting tool |
| CN215804450U (en) * | 2021-10-14 | 2022-02-11 | 中国石油化工股份有限公司 | Christmas tree top thread puncture blowout control device |
-
2022
- 2022-03-18 CN CN202210272351.2A patent/CN114645684B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2559776Y (en) * | 2002-07-12 | 2003-07-09 | 杨立国 | Suspended well head for petroleum pilot production |
| CN201087708Y (en) * | 2007-09-13 | 2008-07-16 | 中国石化集团胜利石油管理局井下作业三公司 | Mounting tools for incontrollable well blowout spraying device |
| CN202531061U (en) * | 2012-05-07 | 2012-11-14 | 长沙矿山研究院有限责任公司 | Fixture mechanism of rod replacing mechanism of deep sea drilling machine |
| CN203171503U (en) * | 2013-01-30 | 2013-09-04 | 中国石油天然气股份有限公司 | Christmas tree fastening screw fast pushing spanner |
| CN103306630A (en) * | 2013-05-29 | 2013-09-18 | 中国石油化工股份有限公司 | Rapid oil well blowout preventer |
| CN203808908U (en) * | 2014-04-17 | 2014-09-03 | 中国石油化工股份有限公司 | Anti-piercing-leakage device for well mouth packing box |
| CN105781469A (en) * | 2016-03-30 | 2016-07-20 | 天津大港油田石油工程研究院钻采技术开发公司 | Gravity self-sealed blowout rescue device |
| CN108119089A (en) * | 2017-11-24 | 2018-06-05 | 中国石油天然气集团公司 | Prevent the devices and methods therefor of tubing string play |
| CN110094178A (en) * | 2019-05-31 | 2019-08-06 | 中国石油集团川庆钻探工程有限公司 | Suitable for having the well head reset apparatus and remapping method of bottom flange |
| CN212399391U (en) * | 2020-06-11 | 2021-01-26 | 乔富宝 | Oil recovery well head flange and clamp bolt extracting tool |
| CN215804450U (en) * | 2021-10-14 | 2022-02-11 | 中国石油化工股份有限公司 | Christmas tree top thread puncture blowout control device |
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| Publication number | Publication date |
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| CN114645684A (en) | 2022-06-21 |
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