CN112377140A - Anti-wear core for subsea tree - Google Patents
Anti-wear core for subsea tree Download PDFInfo
- Publication number
- CN112377140A CN112377140A CN202011422403.7A CN202011422403A CN112377140A CN 112377140 A CN112377140 A CN 112377140A CN 202011422403 A CN202011422403 A CN 202011422403A CN 112377140 A CN112377140 A CN 112377140A
- Authority
- CN
- China
- Prior art keywords
- pipe body
- subsea tree
- resistant bushing
- locking ring
- wear
- 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
- 241000191291 Abies alba Species 0.000 claims abstract description 29
- 238000010008 shearing Methods 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 description 13
- 239000013589 supplement Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000561734 Celosia cristata Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
- E21B33/037—Protective housings therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses an anti-wear bushing for an underwater Christmas tree, which comprises an anti-wear bushing body, wherein the anti-wear bushing body comprises a pipe body a and a pipe body b which are vertically distributed from top to bottom and are in a sleeved connection; the pipe body a and the pipe body b are connected with a shearing pin I, a sliding groove is formed in the pipe body b, a sliding block which slides in the inner side of the sliding groove is arranged on the pipe body a, and the caliber of the pipe body a is larger than that of the pipe body b; and the outer side of the pipe body b is provided with a locking ring in a surrounding manner, and when the pipe body a is pressed downwards. The anti-wear bushing for the underwater Christmas tree is used by matching the pipe body a, the pipe body b, the shearing pin I, the sliding groove, the sliding block and the locking ring, when the anti-wear bushing body is pressed to the inner side of the central hole of the Christmas tree, the locking ring is outwards unfolded under the action of the pipe body a, and can be locked on the four-way body of the Christmas tree, so that the key surface in the central hole of the Christmas tree is protected, and the production hole of the Christmas tree is isolated.
Description
Technical Field
The invention belongs to the field of petroleum oil pipes, and particularly relates to an anti-wear core supplement of an underwater Christmas tree.
Background
A tree, which is an assembly located at the opening to the top end of a well and includes valves for measurement and maintenance, safety systems and a series of monitoring instruments, connects production tubing and production lines from downhole while acting as an important barrier to the outside environment at the top end of the well and includes a number of valves that can be used to regulate or prevent the production of crude oil vapors, natural gas and liquids from escaping the well.
Before the tubing hanger is installed, the Christmas tree is in an idle state, and a protection surface is absent in the central hole of the Christmas tree at the moment, so that the later normal use of the Christmas tree is not facilitated.
Therefore, we have designed a wear-resistant bushing for a wear-resistant core of a Christmas tree to solve the above problems.
Disclosure of Invention
In view of the above, the present invention provides an anti-wear bushing for an underwater Christmas tree, so as to solve the problem that the Christmas tree in the prior art lacks a protection surface in a central hole in an idle state.
The invention is realized by the following technical scheme:
the anti-wear bushing for the underwater Christmas tree comprises an anti-wear bushing body, wherein the anti-wear bushing body comprises a pipe body a and a pipe body b which are vertically distributed from top to bottom and are in a sleeved connection;
the pipe body a and the pipe body b are connected with a shearing pin I, a sliding groove is formed in the pipe body b, a sliding block which slides in the inner side of the sliding groove is arranged on the pipe body a, and the caliber of the pipe body a is larger than that of the pipe body b;
and the outer side of the pipe body b is provided with a locking ring in a surrounding manner, when the pipe body a is pressed downwards, the shearing pin I is broken, the sliding block slides through the sliding groove, the pipe body a is driven to be pressed downwards to the outer side of the pipe body b, and outward supporting force is applied to the locking ring to enable the locking ring to be clamped on the inner side of the central hole of the Christmas tree body.
The invention has the beneficial effects that:
the anti-wear bushing for the underwater Christmas tree is used by matching the pipe body a, the pipe body b, the shearing pin I, the sliding groove, the sliding block and the locking ring, when the anti-wear bushing body is pressed to the inner side of the central hole of the Christmas tree, the locking ring is outwards unfolded under the action of the pipe body a, and can be locked on the four-way body of the Christmas tree, so that the key surface in the central hole of the Christmas tree is protected, and the production hole of the Christmas tree is isolated.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
Fig. 1 is a schematic perspective view I of the present invention.
Fig. 2 is a schematic perspective view II of the present invention.
Fig. 3 is an elevational, partial cross-sectional view of the present invention.
In the figure: 1. a wear-resistant core body; 101. a pipe body a; 102. a pipe body b; 103. a pipe body c; 2. locking a ring; 3. a shear pin I; 4. a chute; 5. a slider; 6. a limiting groove; 7. a movable block; 8. a shear pin II; 9. a groove; 10. a raised portion.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the specific implementation: as shown in fig. 1 to 3, the wear-resistant bushing for an underwater christmas tree comprises a wear-resistant bushing body 1, wherein the wear-resistant bushing body comprises a pipe body a101 and a pipe body b102 which are vertically distributed from top to bottom and are in a sleeved shape;
the pipe body a and the pipe body b are connected with a shearing pin I3, a chute 4 is arranged on the pipe body b, a sliding block 5 sliding on the inner side of the chute is arranged on the pipe body a, and the caliber of the pipe body a is larger than that of the pipe body b;
the outer side of the pipe body b is provided with a locking ring 2 in a surrounding mode, when the pipe body a is pressed downwards, the shearing pin I is broken, the sliding block slides through the sliding groove, the pipe body a is driven to be pressed downwards to the outer side of the pipe body b, and outward supporting force is applied to the locking ring to enable the locking ring to be clamped inside the center hole of the Christmas tree body.
The technical scheme of the application has the working principle that: when the device is used, firstly, the device is connected with an external feeding device, then, under the action of external pressure, the device moves towards the inner side of a central hole of a Christmas tree body, then, a shearing pin I is broken under the action of the external pressure, a sliding block slides downwards on the inner side of a sliding groove and drives a pipe body a to move downwards in the lump, at the moment, the pipe body a can be embedded into a gap between a pipe body b and a locking ring, the locking ring can be enabled to expand outwards along with the continuous pressing of the pipe body a until the locking ring is clamped on a sawtooth-shaped groove on the inner side surface of the Christmas tree body, and therefore, the effect of protecting the central hole surface of the Christmas tree body can.
The external feeding device comprises an embedded rod embedded into the inner side of the complementary core and a connecting piece clamped and connected with the inner side of the complementary core;
the connecting piece comprises a recovery limiting ring and a recovery ring which are movably arranged outside the embedded rod, the recovery ring is of an elastic structure with annular disconnection, when the supplement core needs to be sent into the Christmas tree body, the recovery limiting ring needs to be pressed downwards firstly to enable the recovery ring to contract inwards, at the moment, the embedded rod extends into the inner side of the supplement core, then the recovery limiting ring is pulled upwards, at the moment, the recovery ring is in a spreading state due to the elasticity of the recovery ring, so that the recovery ring is tightly clamped at the zigzag depressed groove inside the supplement core, the device can be connected with the supplement core, at the moment, the supplement core can be sent into the Christmas tree body, after the sending is finished, the recovery limiting ring can be pressed downwards again to recover, at the moment, the recovery ring is in a contraction state, the recovery ring is separated from the zigzag depressed groove inside the supplement core, the device is separated from the supplement core, and when the supplement core needs to be taken out again, similarly, press down earlier and retrieve the spacing ring for retrieve the ring and contract inwards, stretch into the benefit core with the embedded rod this moment inside, drag the recovery spacing ring that draws afterwards upwards, retrieve the ring then can block in the inside cockscomb structure depressed groove department of benefit core, drag this device of drawing afterwards and can be with
In this embodiment: the top opening inboard of body a is provided with the recess of connecting the running tool, and the recess can be convenient for through here with running tool looks block, avoids running tool when driving this device motion, and the phenomenon of phase separation appears in running tool and this device.
In this embodiment: the locking ring is a broken resilient ring shape, where the configuration of the locking ring is further defined so that the locking ring can be spread apart to support the pipe body a when it is pressed down.
In this embodiment: the anti-wear bushing body further comprises a pipe body c103, the caliber of the pipe body b is larger than that of the pipe body c, the pipe body a, the pipe body b and the pipe body c are vertically distributed from top to bottom in sequence and are in a sleeved mode, and the pipe body c is further arranged here, so that when the anti-wear bushing is pulled in the Christmas tree body, the device is prevented from being clamped and cannot be pulled out.
In this embodiment: body b and body c are connected with and cut round pin II8, and when cutting round pin II fracture, body b is tensile form and is connected through the bolster with body c, and when body b upwards pulling, cut round pin II fracture, body b then does the upwards pulling of certain displacement distance under the effect of bolster to in supplementary whole the taking out of this device in the inside of production tree body.
In this embodiment: the bolster is including offering the spacing groove 6 on body c and setting up on body b in the gliding movable block 7 of spacing inslot side, and here is through the displacement of movable block on the spacing groove to reach body b and do the upwards pull of certain buffering nature, thereby reach and take this device wholly out, avoid the card to die.
In this embodiment: the inner side of the recess 9 is provided with a protrusion 10, where the protrusion is provided, further enhancing the connectivity between the device and the feeding device.
In this embodiment: the spout is provided with two, and symmetric distribution in the both sides of body b, and the slider is provided with two, and symmetric distribution in the both sides of body a, and this department is provided with two sets of spouts and slider, and its purpose is to avoid body a to break away from with body b mutually in the pulling process.
In this embodiment: the limiting grooves are arranged in two, symmetrically distributed on two sides of the pipe body c, the movable blocks are arranged in two, symmetrically distributed on two sides of the pipe body b, two groups of limiting grooves and two groups of movable blocks are arranged on the two sides of the pipe body b, and the purpose is to improve the stability of the pipe body b in the pulling process and avoid the pipe body b being separated from the pipe body c.
In this embodiment: the outer side of the pipe body a is provided with a clamping groove corresponding to the position of the locking ring, and the clamping groove is arranged at the position, so that the locking ring can be retained at the inner side of the clamping groove when in a contraction state when the locking ring is idle, and the locking ring is prevented from sliding randomly.
The above is only a preferred embodiment of the present invention, and it should be noted that several modifications and improvements made by those skilled in the art without departing from the technical solution should also be considered as falling within the scope of the claims.
Claims (10)
1. The antiwear bushing of the subsea tree is characterized in that: the wear-resistant bushing comprises a wear-resistant bushing body, wherein the wear-resistant bushing body comprises a pipe body a and a pipe body b which are vertically distributed from top to bottom and are in a sleeved connection;
the pipe body a and the pipe body b are connected with a shearing pin I, a sliding groove is formed in the pipe body b, a sliding block which slides in the inner side of the sliding groove is arranged on the pipe body a, and the caliber of the pipe body a is larger than that of the pipe body b;
and the outer side of the pipe body b is provided with a locking ring in a surrounding manner, when the pipe body a is pressed downwards, the shearing pin I is broken, the sliding block slides through the sliding groove, the pipe body a is driven to be pressed downwards to the outer side of the pipe body b, and outward supporting force is applied to the locking ring to enable the locking ring to be clamped on the inner side of the central hole of the Christmas tree body.
2. The subsea tree wear resistant bushing of claim 1, wherein: and a groove for connecting a feeding tool is arranged on the inner side of the top opening of the pipe body a.
3. The subsea tree wear resistant bushing of claim 1, wherein: the locking ring is in a disconnected elastic ring shape.
4. The subsea tree wear resistant bushing of any of claims 1-3, wherein: the wear-resistant core supplementing body further comprises a pipe body c, the caliber of the pipe body b is larger than that of the pipe body c, and the pipe body a, the pipe body b and the pipe body c are vertically distributed from top to bottom in sequence and are in a sleeved mode.
5. The subsea tree wear resistant bushing of claim 4, wherein: body b and body c are connected with shearing round pin II, work as shearing round pin II fracture, body b is tensile form and is connected through the bolster with body c.
6. The subsea tree wear resistant bushing of claim 5, wherein: the buffer piece comprises a limiting groove formed in the pipe body c and a movable block arranged on the pipe body b and sliding on the inner side of the limiting groove.
7. The subsea tree wear resistant bushing of claim 2, wherein: the inner side of the groove is provided with a convex part.
8. The subsea tree wear resistant bushing of claim 1, wherein: the spout is provided with two, and symmetric distribution in the both sides of body b, the slider is provided with two, and symmetric distribution in the both sides of body a.
9. The subsea tree wear resistant bushing of claim 6, wherein: the limiting grooves are arranged in two and symmetrically distributed on two sides of the pipe body c, and the movable blocks are arranged in two and symmetrically distributed on two sides of the pipe body b.
10. The subsea tree wear resistant bushing of claim 1, wherein: and a clamping groove is formed in the outer side of the pipe body a corresponding to the locking ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011422403.7A CN112377140A (en) | 2020-12-08 | 2020-12-08 | Anti-wear core for subsea tree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011422403.7A CN112377140A (en) | 2020-12-08 | 2020-12-08 | Anti-wear core for subsea tree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112377140A true CN112377140A (en) | 2021-02-19 |
Family
ID=74590602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011422403.7A Pending CN112377140A (en) | 2020-12-08 | 2020-12-08 | Anti-wear core for subsea tree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112377140A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718489A (en) * | 2022-04-18 | 2022-07-08 | 深圳市远东石油钻采工程有限公司 | Tool for linkage between anti-wear core-repairing feeding and BOP (blow-in preventer) pressure testing and operation method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB206626A (en) * | 1922-09-08 | 1923-11-15 | Joseph Streda | Improvements in casing-heads for oil wells |
| RU81519U1 (en) * | 2008-10-08 | 2009-03-20 | ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ Научно-конструкторский центр "Сибнефтегазпроект" | SEALER OF LONG-DIMENSIONAL COUPLING-FREE PIPES |
| CN102409992A (en) * | 2011-10-19 | 2012-04-11 | 宝鸡石油机械有限责任公司 | Integrated tubing hanger for underwater horizontal christmas tree |
| CN202483497U (en) * | 2012-03-16 | 2012-10-10 | 江汉石油钻头股份有限公司 | Ring sealing assembly of bothway metallic sealing strcuture |
| CN103277065A (en) * | 2013-05-23 | 2013-09-04 | 宝鸡石油机械有限责任公司 | Underwater Christmas tree cap |
| CN203394417U (en) * | 2013-07-12 | 2014-01-15 | 中国石油天然气股份有限公司 | Wellhead anti-contamination device |
| CN203822239U (en) * | 2014-04-22 | 2014-09-10 | 美钻能源科技(上海)有限公司 | Internal Christmas tree cap for underwater horizontal Christmas tree |
| CN104334823A (en) * | 2012-04-05 | 2015-02-04 | 国民油井华高公司 | Wellsite connector with piston driven collets and method of using same |
| CN209212165U (en) * | 2018-10-12 | 2019-08-06 | 中国石油天然气集团有限公司 | Shale gas well set becomes nose balance tool |
| CN111140194A (en) * | 2020-02-21 | 2020-05-12 | 西南石油大学 | A quick reloading device for well head preventer |
-
2020
- 2020-12-08 CN CN202011422403.7A patent/CN112377140A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB206626A (en) * | 1922-09-08 | 1923-11-15 | Joseph Streda | Improvements in casing-heads for oil wells |
| RU81519U1 (en) * | 2008-10-08 | 2009-03-20 | ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ Научно-конструкторский центр "Сибнефтегазпроект" | SEALER OF LONG-DIMENSIONAL COUPLING-FREE PIPES |
| CN102409992A (en) * | 2011-10-19 | 2012-04-11 | 宝鸡石油机械有限责任公司 | Integrated tubing hanger for underwater horizontal christmas tree |
| CN202483497U (en) * | 2012-03-16 | 2012-10-10 | 江汉石油钻头股份有限公司 | Ring sealing assembly of bothway metallic sealing strcuture |
| CN104334823A (en) * | 2012-04-05 | 2015-02-04 | 国民油井华高公司 | Wellsite connector with piston driven collets and method of using same |
| CN103277065A (en) * | 2013-05-23 | 2013-09-04 | 宝鸡石油机械有限责任公司 | Underwater Christmas tree cap |
| CN203394417U (en) * | 2013-07-12 | 2014-01-15 | 中国石油天然气股份有限公司 | Wellhead anti-contamination device |
| CN203822239U (en) * | 2014-04-22 | 2014-09-10 | 美钻能源科技(上海)有限公司 | Internal Christmas tree cap for underwater horizontal Christmas tree |
| CN209212165U (en) * | 2018-10-12 | 2019-08-06 | 中国石油天然气集团有限公司 | Shale gas well set becomes nose balance tool |
| CN111140194A (en) * | 2020-02-21 | 2020-05-12 | 西南石油大学 | A quick reloading device for well head preventer |
Non-Patent Citations (2)
| Title |
|---|
| 崔晓伟: "油管悬挂器下放工具设计与研究", 《工程科技Ⅰ辑》 * |
| 赵宏林: "4 水下采油树树体安装工具及锁紧环设计分析", 《石油矿场机械》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718489A (en) * | 2022-04-18 | 2022-07-08 | 深圳市远东石油钻采工程有限公司 | Tool for linkage between anti-wear core-repairing feeding and BOP (blow-in preventer) pressure testing and operation method |
| CN114718489B (en) * | 2022-04-18 | 2024-03-19 | 深圳市远东石油钻采工程有限公司 | Wear-resistant core supplementing feeding and BOP pressure test linkage tool and operation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7234527B2 (en) | System and method for fail-safe disconnect from a subsea well | |
| US20060254773A1 (en) | Coiled tubing cutter | |
| CN110145289A (en) | It is a kind of without differential full-bore fracturing sliding bush | |
| CN112377140A (en) | Anti-wear core for subsea tree | |
| US10161201B2 (en) | Powered slip actuation | |
| BR102013012434A2 (en) | method for using a downhole completion system, method for performing an intervention on a completion, and | |
| CN204984323U (en) | Novel compound fisher | |
| CN104612612B (en) | Hanging and tensioning device, production tubular column and tensioning and tie-back method of coiled tubing | |
| CN204851088U (en) | Novel oil -well pump on -off connector | |
| WO2017040198A1 (en) | Blowout Preventer with Shear Ram | |
| CN109555498B (en) | Shaft protection device | |
| CN210948580U (en) | Rubber cylinder protection equipment | |
| US7523786B2 (en) | Apparatus and method for freeing deployment cables stuck in a wellbore | |
| CN204597389U (en) | Offshore petroleum drilling umbilical cable jockey | |
| CN211874459U (en) | Gas well full life cycle downhole throttling production device | |
| CA2837021C (en) | Liner hanger | |
| CN201276995Y (en) | Tail pipe hanger with control lock | |
| CN1807833B (en) | Slips type down-hole instrument hanger | |
| CN114458226A (en) | Hydraulic pipeline setting type cable-passing packer and well completion string using same | |
| US10954738B2 (en) | Dual compact cutting device intervention system | |
| CN112412372B (en) | Recovery tool is sent into to production tree abrasionproof cover under water | |
| CN207568531U (en) | A kind of length adjustable breaks de- sucker-rod fishing tool | |
| CN106499356B (en) | A kind of coronal plug decentralization installation tool | |
| CN204175228U (en) | The marine thermal recovery well head device of monotubular twin-well | |
| CN205685237U (en) | A kind of Novel pipe pliers drawing oil exit pipe operation for oil well scene |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210219 |
|
| RJ01 | Rejection of invention patent application after publication |