CN109458153A - A kind of oil recovery tree device suitable for setting suspension coiled tubing production forever - Google Patents
A kind of oil recovery tree device suitable for setting suspension coiled tubing production forever Download PDFInfo
- Publication number
- CN109458153A CN109458153A CN201811453971.6A CN201811453971A CN109458153A CN 109458153 A CN109458153 A CN 109458153A CN 201811453971 A CN201811453971 A CN 201811453971A CN 109458153 A CN109458153 A CN 109458153A
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- China
- Prior art keywords
- hole
- hanger
- wall
- tubing
- coiled tubing
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 70
- 239000000725 suspension Substances 0.000 title claims abstract description 21
- 238000011084 recovery Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims description 38
- 229910052751 metal Inorganic materials 0.000 claims description 38
- 210000000078 claw Anatomy 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 14
- 238000012856 packing Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 210000000664 rectum Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 description 10
- 238000007689 inspection Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 244000147058 Derris elliptica Species 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002595 cold damage Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
-
- 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
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
- E21B33/0422—Casing heads; Suspending casings or tubings in well heads a suspended tubing or casing being gripped by a slip or an internally serrated member
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)
- Earth Drilling (AREA)
Abstract
The oil recovery tree device that the invention discloses a kind of suitable for setting suspension coiled tubing production forever, including production tree ontology, side opening is equipped among ontology, main valve and flutter valve combination unit are connected outside side opening, big orifice tubing hanger is hung in ontology, big orifice tubing hanger side opening is communicated with ontology side opening, crown plug is arranged in ontology middle upper portion, crown plug is locked by closing piece, crown plug lower part connects coiled tubing suspension sealing device, production tree bodies top is equipped with tree cap and guarantees that top sealing and protection, coiled tubing are pierced by by tree cap mesoporous.Production tree ontology and big orifice tubing hanger side opening ensure that the normal production after suspension coiled tubing, multi-layer sealing structure ensure that the seal request of production process, coiled tubing suspension sealing device ensure that coiled tubing suspension stability and sealing reliability inside and outside crown plug.
Description
Technical field
The present invention relates to a kind of oil recovery tree device more particularly to a kind of oil recoveries suitable for setting suspension coiled tubing production forever
Tree device.
Background technique
Coiled tubing is as the important tool in the production of oil field, the techniques such as sidetracking, test, well workover, oil recovery gas production in oil field
Direction is widely applied, wherein setting tool de-plugging, minor diameter pipe liquid discharging gas producing forever, without well workover machine platform company in downhole ultrasonic
Continuous oil pipe pulling electric pump etc. requires to set suspension coiled tubing forever in well head.
The key operation means of no well workover machine platform are moved using workover barge, drill ship or workover rig to implement to repair
Well, no well workover machine platform inspection pump is high using workover barge, drill ship and workover rig resettlement operating risk, and frequent workover rig resettlement is made
Industry time is long, costly, and equipment loss is big, tubing string remove often cause outer sand tubing string seal operation cylinder, casing,
The performance decline of the tools such as hanger is even failed, and is washed in Well Killing Process and often be will appear foreign solid particle contamination oil
The problems such as layer, cold damage, fouling, reservoir pollution.
It may be implemented efficiently be rapidly completed without using workover rig and operation ship using coiled tubing pulling electric pump operation
Pump detection and workover, operation process is simple, safe, reduces and tears production tree open, plays flow string, lower flow string, dress production tree and seat
Cable-passing packer is sealed, tubing string is avoided and removes sand control pipe performance is caused to decline, reduces oil layer pollution and injury,
Simplify pump detection and workover program.
Set tool de-plugging, minor diameter pipe liquid discharging gas producing and coiled tubing pulling electric pump operation forever for downhole ultrasonic,
It needs to hang coiled tubing production for a long time in well head, coiled tubing passes through oil-producing channel and hinders conventional production tree in production process
The function of main valve and paraffin valve is realized, and there are coiled tubing suspension well heads to hang and seal for a long time insecure problem.
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, provides a kind of oil recovery of suspension coiled tubing production
Tree device, the production tree vary without four-way junction of casing, and coiled tubing may be implemented and want in the suspension of ground well head and normal production
It asks, while guaranteeing that production tree normal function is realized, guarantee that well head equipment safety in ground is reliable.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of oil recovery tree device suitable for setting suspension coiled tubing production forever of the invention, including centre are provided with ladder and lead to
The production tree ontology in hole, the described ladder hole tool there are two step, including set gradually from top to bottom upper through-hole, middle part
The diameter of through-hole and lower through-hole, the upper through-hole, middle through-hole and lower through-hole is sequentially reduced, and is adopted in described
It has been bolted tree cap at the top of oil tree ontology, has been provided with mounting hole among the tree cap；
One longitudinal section is the crown plug upper body bottom wall supports of U-shaped on the annular bottom wall of upper through-hole, and top is stifled
It fills in close by blanking plug elastic packing and blanking plug metal setting up and down between device upper body lower part outer wall and upper through-hole inner wall
Seal block sealing, be provided with areole on the side wall of crown plug upper body, closing piece be installed in the areole, with institute
It is provided with card slot on the production tree ontology for the areole corresponding position stated, is equipped in the cavity of the crown plug upper body
Locking tool, the closing piece are pushed down into the card slot of production tree ontology in the promotion of locking tool, the crown plug
Upper body bottom and top blanking plug lower body is bolted, and lower hanger claw is mounted under crown plug in intracoelomic cavity,
It is had and the mounting hole in the crown plug upper body, crown plug lower body and lower hanger claw
The hanger mounting hole being coaxially set, a coiled tubing pass through the mounting hole and hanger installation along the vertical direction
Hole is arranged, and is equipped with upper press ring and upper metal from top to bottom between the mounting hole among the coiled tubing and tree cap
Sealing block；
Hanger mounting hole on crown plug at body position is stepped hole, and upper hanger claw is mounted on stepped hole
In upper hole and the setting of clamping coiled tubing, hanger housing is cased with outside the upper hanger claw, outside the hanger
The bottom of set is supported on the step of stepped hole, from upper between the upper hole of the stepped hole above coiled tubing and hanger housing
Pressure cap and top elastic packing are sequentially installed under, the body position under the lower opening inner wall, crown plug of the stepped hole
The inner wall of hanger mounting hole at the inner wall of the hanger mounting hole at place and lower hanger jaw position and coiled tubing
It is sequentially installed with outside metal sealing block, metal sealing compression ring, retaining mechanism and lower hanger between outer wall and from top to bottom
Set, the top peace between the inner wall of hanger mounting hole and the outer wall of coiled tubing at the lower hanger jaw position
Equipped with lower metal sealing block；
Big orifice tubing hanger is mounted in the middle through-hole and lower through-hole and by under big orifice tubing hanger
Shoulder on portion's outer wall is supported on the annular bottom wall of middle through-hole, the big orifice tubing hanger outer wall and middle through-hole inner wall
Between be tightly connected by multiple tracks tubing hanger elastic packing and big orifice tubing hanger bottom outer wall and middle through-hole inner wall it
Between be installed on tubing hanger metal sealing block, the tubing hanger metal sealing block is locked by jackscrew in the production tree
On ontology；
In production tree, this body side surface is installed on main valve and flutter valve combination unit, sets oil discharge passage in the middle part of production tree ontology, institute
The oil discharge passage stated and main valve and flutter valve combination unit are connected, and set side opening among big orifice tubing hanger, the side opening with adopt
The oil discharge passage connection of oil tree ontology, big orifice tubing hanger outer wall top set groove, and the jackscrew by being inserted into groove is realized big logical
The positioning and locking of diameter tubing hanger and production tree ontology is provided with outlet and big orifice oil pipe on the side wall of the production tree ontology
It hangs the tubing hanger that outer wall is oppositely arranged and tests envelope channel and first liquid controling pipe line channel, at the bottom of the big orifice tubing hanger
Article 2 liquid controling pipe line channel is provided on wall, the hydraulic control lines of underground access Article 2 liquid controling pipe line channel, production tree sheet
Body bottom is fixedly connected by bolt hole with well head four-way.
Advantages of the present invention:
The present invention is suitable for sea without the quick pump detection and workover of well workover machine platform, simplifies inspection pump process, examines pump relative to conventional
Operating efficiency significantly improves, and deep set safety valve can realize snubbing serving inspection pump under the invention surge well, reduces well workover to stratum
Pollution realizes that oil well quickly reproduces, and can be realized quick, simple inspection pump and dismounting wellhead equipment.
Detailed description of the invention
Fig. 1 is a kind of production tree apparatus structure schematic diagram suitable for setting suspension coiled tubing production forever of the invention.
Fig. 2 is production tree body construction schematic diagram.
Specific embodiment
In order to be more clear technical solution of the present invention, present invention will be described in further detail below with reference to the accompanying drawings.
A specific embodiment of the invention is as follows.
Suspension coiled tubing of the invention produces oil recovery tree device as shown in drawings, is provided with ladder hole including centre
Production tree ontology 5, the described ladder hole tool are logical including the upper through-hole that sets gradually from top to bottom, middle part there are two step
The diameter of hole and lower through-hole, the upper through-hole, middle through-hole and lower through-hole is sequentially reduced.In the oil recovery
The top of tree ontology 5 has been bolted tree cap 3, is provided with mounting hole among the tree cap 3.
One longitudinal section is the crown plug upper body 12-1 bottom wall supports of U-shaped on the annular bottom wall of upper through-hole, top
Pass through blanking plug elastic packing 8-2 setting up and down between the portion blanking plug upper body lower part 12-1 outer wall and upper through-hole inner wall and blocks up
Fill in device metal sealing block 11-1 sealing.It is provided with areole on the side wall of crown plug upper body 12-1, in the areole
Closing piece 6 is inside installed, be provided with card slot on the production tree ontology 5 of the areole corresponding position, it is stifled at the top
It fills in the cavity of device upper body 12-1 and locking tool 4 is installed, the closing piece 6 is pushed down into production tree in the promotion of locking tool 4
In the card slot of ontology 5, the crown plug upper body bottom and top the 12-1 blanking plug lower body 12-2 is bolted, under
Hanger claw 22 be mounted on it is intracavitary in crown plug lower body 12-2, it is stifled at the crown plug upper body 12-1, top
The hanger installation being coaxially set with the mounting hole is had in plug device lower body 12-2 and lower hanger claw 22
Hole.
A piece coiled tubing 1 passes through the mounting hole along the vertical direction and hanger mounting hole is arranged.The company
Upper press ring 2 and upper metal sealing block 11-5 are installed from top to bottom between mounting hole among continuous oil pipe 1 and tree cap 3.
Hanger mounting hole at the position 12-1 of crown plug upper body is stepped hole, and upper hanger claw 9 is mounted on rank
In the upper hole in terraced hole and clamping coiled tubing 1 is arranged, and is cased with hanger housing 10 outside the upper hanger claw 9, described
The bottom of hanger housing 10 be supported on the step of stepped hole, the ladder above coiled tubing 1 and hanger housing 10
Pressure cap 7 and top elastic packing 8-1 are sequentially installed between the upper hole in hole from top to bottom.In the lower opening of the stepped hole
The inner wall of hanger mounting hole at wall, the position crown plug lower body 12-2 and the suspension at lower 22 position of hanger claw
It is sequentially installed between the inner wall of device mounting hole and the outer wall of coiled tubing 1 and from top to bottom metal sealing block 11-2, metal
Seal compression ring 19, retaining mechanism 20 and lower hanger housing 21.Hanger at lower 22 position of hanger claw
Top between the inner wall of mounting hole and the outer wall of coiled tubing 1 is equipped with lower metal sealing block 11-4.
Lower hanger claw 22, upper hanger claw 9, hanger housing 10, retaining mechanism 20 and the lower hanger
Housing 21 is all made of existing structure, can be referring specifically to application No. is structures disclosed in 201420667736.X.
Crown plug upper body 12-1 and crown plug lower body 12-2 are bolted, to the upper metal of coiled tubing
Sealing block 11-2, metal sealing compression ring 19, retaining mechanism 20, lower hanger housing 21 and lower hanger claw 22 are determined
Position.
The suspension to coiled tubing 1 is realized by upper hanger claw 9, and lower hanger claw 22 prevents coiled tubing 1
The upper top play of coiled tubing in process of production passes through elastic packing 8-1, upper metal sealing block 11-2, lower metal sealing block
11-4 and metal sealing compression ring 23 realize the sealing of coiled tubing 1 and crown plug 12.
Big orifice tubing hanger 25 is mounted in the middle through-hole and lower through-hole and by big orifice tubing hanger
Shoulder on the outer wall of lower part is supported on the annular bottom wall of middle through-hole, 25 outer wall of big orifice tubing hanger and middle through-hole
It is tightly connected between inner wall by multiple tracks tubing hanger elastic packing 8-3 and is led in 25 bottom outer wall of big orifice tubing hanger and middle part
Tubing hanger metal sealing block 11-3 is installed between the inner wall of hole, the tubing hanger metal sealing block 11-3 locks solid by jackscrew
It is scheduled on the production tree ontology 5, realizes the metal sealing between production tree ontology, realized by multiple tracks elastic packing 8 auxiliary
Help sealing and oil discharge passage communication seals.The bottom inside pipe wall of the big orifice tubing hanger 25 passes through internal screw thread and an oil pipe
The external screw thread at 18 top is threadedly coupled.
5 mesoporous of production tree ontology is not provided with main valve and flutter valve, guarantees that production tree ontology mesoporous latus rectum is without hindrance, in production tree
5 side of ontology is installed on main valve 15 and flutter valve 16 combines the unit, and oil discharge passage 17 is set in the middle part of production tree ontology, and described is fuel-displaced logical
Road 17 is connected with main valve 15 and the combination unit of flutter valve 16, realizes production tree production switch by switch main valve 15 and flutter valve 16.
Side opening is set among big orifice tubing hanger 25, the side opening is connected to the oil discharge passage 17 of production tree ontology 5, big orifice tubing hanger
Groove is set above 25 outer walls, the jackscrew 14 by being inserted into groove realizes the positioning lock of big orifice tubing hanger 25 and production tree ontology 5
Tightly, the tubing hanger that outlet is oppositely arranged with 25 outer wall of big orifice tubing hanger is provided on the side wall of the production tree ontology 5 to test
Channel 24 and first liquid controling pipe line channel 26 are sealed, it is close to the suspension of big orifice tubing hanger 25 to test envelope channel 24 by tubing hanger
Envelope situation, which suppress, tests envelope.Article 2 liquid controling pipe line channel, underground are provided on the bottom wall of the big orifice tubing hanger 25
Hydraulic control lines access Article 2 liquid controling pipe line channel 26, by liquid controling pipe line channel 26 realize to the hydraulic of downhole tool
Control.The hydraulic control lines cut-in method and structure use existing method and structure.
5 bottom of production tree ontology is fixedly connected by bolt hole 27-2 with well head four-way.
The installation of the present apparatus and application method are as follows:
It is a kind of to be mounted on suitable for setting the production tree ontology 5 that suspension coiled tubing produces forever as shown in attached drawing 1 and attached drawing 2
Former well in word, inside tripping in big orifice tubing hanger 25 to production tree ontology 5, is realized big logical by tubing hanger metal sealing 11-3
The sealing of diameter tubing hanger 25 and production tree ontology 5, liquid controling pipe line realize hydraulic control, big orifice oil by liquid controling pipe line channel 26
Through-hole on 25 side wall of pipe hanger is connected with the channel of main valve 15 and the combination unit of flutter valve 16 on production tree ontology 5, realizes well
The output of lower fluid, multiple tracks elastic packing are realized the sealing of big orifice tubing hanger 25 and each sealing surface of production tree ontology 5, are passed through
Tubing hanger tests envelope channel 24 and carries out testing envelope to above-mentioned sealing situation, is locked big orifice tubing hanger 25 by jackscrew 14.
On ground by 1 integrated installation of coiled tubing to crown plug, the specific operation method is as follows: according to shown in attached drawing 1
In order by crown plug lower body 12-2, metal sealing compression ring 23, lower metal sealing block 11-4, lower hanger claw 22,
Lower hanger housing 21, retaining mechanism 20, metal sealing compression ring 19, upper metal sealing block 11-2, crown plug upper body 12-
1, upper hanger claw 9, upper hanger housing 10, top elastic packing 8-1, pressure cap 7 are inserted in coiled tubing from top to bottom respectively
1, metal sealing block 11-2 is locked by retaining mechanism 20 and metal sealing compression ring 19, divides it by crown plug top and the bottom
Between bolt realize the connections of top and the bottom, pass through the locking of pressure cap 7 top elastic packing 8-1 and compress upper hanger housing 10,
The suspension and upper sealing for realizing coiled tubing 1 compress 23 by metal sealing and lock the lower continuous oil of metal sealing block 11-4 realization
The lower sealing of pipe 1.
By inside the crown plug tripping in production tree ontology 5 for carrying coiled tubing 1, crown plug tripping in is in place
Afterwards, closing piece 6 is caught in 5 inner sidewall of production tree ontology by tripping in locking tool 4, and is locked blanking plug metal sealing block 11-1 and realized top
The locking of portion's blanking plug and production tree ontology 5 seals.
Tree cap 3 passes through coiled tubing 1 and is connected and fixed by bolt and production tree ontology, is inserted in top gold from top to bottom
Belong to sealing block and upper press ring 2, passes through the upper metal sealing block of 2 lock sealing of upper press ring.
The above content is to the further description done of the present invention, and it cannot be said that a specific embodiment of the invention only
It is limited to this, for those of ordinary skill in the art to which the present invention belongs, without departing from the inventive concept of the premise, also
Several simple deduction or replace can be made.
Claims (1)
1. a kind of oil recovery tree device suitable for setting suspension coiled tubing production forever, it is characterised in that: be provided with ladder including centre
The production tree ontology (5) of through-hole, for the ladder hole tool there are two step, the top including setting gradually from top to bottom is logical
The diameter of hole, middle through-hole and lower through-hole, the upper through-hole, middle through-hole and lower through-hole is sequentially reduced,
It has been bolted tree cap (3) at the top of the production tree ontology, installation is provided among the tree cap
Hole；
One longitudinal section is crown plug upper body (12-1) bottom wall supports of U-shaped on the annular bottom wall of upper through-hole, top
Pass through blanking plug elastic packing (8-2) and blanking plug setting up and down between blanking plug upper body lower part outer wall and upper through-hole inner wall
Metal sealing block (11-1) sealing, is provided with areole on the side wall of crown plug upper body, installs in the areole
Have closing piece (6), be provided with card slot on the production tree ontology of the areole corresponding position, on the crown plug
It is equipped in the cavity of body locking tool (4), the closing piece is pushed down into the card of production tree ontology in the promotion of locking tool (4)
In slot, the crown plug upper body bottom and top blanking plug lower body (12-2) is bolted, lower hanger claw
(22) it is mounted under crown plug in intracoelomic cavity, in the crown plug upper body, crown plug lower body and lower outstanding
The hanger mounting hole being coaxially set with the mounting hole is had in hanging device claw, a coiled tubing (1) is along perpendicular
Histogram is arranged to across the mounting hole and hanger mounting hole, among the coiled tubing and tree cap (3)
Upper press ring (2) and upper metal sealing block (11-5) are installed from top to bottom between mounting hole；
Hanger mounting hole on crown plug at body position is stepped hole, and upper hanger claw (9) is mounted on stepped hole
In upper hole and the setting of clamping coiled tubing, hanger housing is cased with outside the upper hanger claw, outside the hanger
The bottom of set is supported on the step of stepped hole, from upper between the upper hole of the stepped hole above coiled tubing and hanger housing
Pressure cap (7) and top elastic packing (8-1) are sequentially installed under, in lower opening inner wall, the crown plug of the stepped hole
The inner wall of hanger mounting hole at the inner wall of hanger mounting hole at lower body position and lower hanger jaw position and company
It is sequentially installed between the outer wall of continuous oil pipe and from top to bottom metal sealing block (11-2), metal sealing compression ring (19), lock
Tight mechanism (20) and lower hanger housing (21), the inner wall of the hanger mounting hole at the lower hanger jaw position with
Top between the outer wall of coiled tubing is equipped with lower metal sealing block (11-4)；
Big orifice tubing hanger (25) is mounted in the middle through-hole and lower through-hole and by under big orifice tubing hanger
Shoulder on portion's outer wall is supported on the annular bottom wall of middle through-hole, the big orifice tubing hanger outer wall and middle through-hole inner wall
Between by multiple tracks tubing hanger elastic packing (8-3) be tightly connected and in big orifice tubing hanger bottom outer wall and middle through-hole
Tubing hanger metal sealing block (11-3) is installed between wall, the tubing hanger metal sealing block is locked by jackscrew in institute
On the production tree ontology stated；
In production tree, this body side surface is installed on main valve (15) and flutter valve (16) combination unit, sets oil discharge passage in the middle part of production tree ontology
(17), the oil discharge passage is connected with main valve and flutter valve combination unit, and side opening, the side are set among big orifice tubing hanger
Hole is connected to the oil discharge passage of production tree ontology, sets groove above big orifice tubing hanger outer wall, real by the jackscrew for being inserted into groove
The positioning and locking of existing big orifice tubing hanger and production tree ontology is provided with outlet on the side wall of the production tree ontology and leads to big
The tubing hanger that diameter tubing hanger outer wall is oppositely arranged tests envelope channel (24) and first liquid controling pipe line channel (26), described big
Article 2 liquid controling pipe line channel is provided on the bottom wall of latus rectum tubing hanger, the hydraulic control lines of underground access Article 2 liquid controling pipe line
Channel, production tree body bottom portion are fixedly connected by bolt hole with well head four-way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811453971.6A CN109458153B (en) | 2018-11-30 | 2018-11-30 | Christmas tree device suitable for permanently placing and hanging coiled tubing production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811453971.6A CN109458153B (en) | 2018-11-30 | 2018-11-30 | Christmas tree device suitable for permanently placing and hanging coiled tubing production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109458153A true CN109458153A (en) | 2019-03-12 |
| CN109458153B CN109458153B (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811453971.6A Active CN109458153B (en) | 2018-11-30 | 2018-11-30 | Christmas tree device suitable for permanently placing and hanging coiled tubing production |
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| Country | Link |
|---|---|
| CN (1) | CN109458153B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927374A (en) * | 2020-09-09 | 2020-11-13 | 中国石油天然气集团有限公司 | Continuous oil pipe wellhead suspension sealing device |
| CN113898310A (en) * | 2021-10-18 | 2022-01-07 | 北京中海沃邦能源投资有限公司石楼分公司 | Suspension device for coiled tubing |
| CN115142809A (en) * | 2021-03-31 | 2022-10-04 | 派格水下技术(广州)有限公司 | Multi-well interconnected low pressure wellhead system for drilling template |
| CN116446817A (en) * | 2023-06-20 | 2023-07-18 | 什邡慧丰采油机械有限责任公司 | Single-cylinder double-well wellhead device for efficiently producing oil and gas and working method thereof |
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| CN202745789U (en) * | 2012-07-12 | 2013-02-20 | 中国石油天然气股份有限公司 | Wellhead dual-seal coiled tubing hanging device |
| US20140048277A1 (en) * | 2012-08-17 | 2014-02-20 | Cameron International Corporation | Subsea production system with downhole equipment suspension system |
| CN202990942U (en) * | 2012-12-26 | 2013-06-12 | 江苏宏泰石化机械有限公司 | Double-seal Christmas tree for conveniently mounting coiled tubing |
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| CN207795130U (en) * | 2017-12-01 | 2018-08-31 | 中国石油集团渤海钻探工程有限公司 | Coiled tubing hanging tool |
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| CN111927374A (en) * | 2020-09-09 | 2020-11-13 | 中国石油天然气集团有限公司 | Continuous oil pipe wellhead suspension sealing device |
| CN111927374B (en) * | 2020-09-09 | 2022-11-29 | 中国石油天然气集团有限公司 | Continuous oil pipe wellhead suspension sealing device |
| CN115142809A (en) * | 2021-03-31 | 2022-10-04 | 派格水下技术(广州)有限公司 | Multi-well interconnected low pressure wellhead system for drilling template |
| CN115142809B (en) * | 2021-03-31 | 2024-06-11 | 派格水下技术(广州)有限公司 | Multi-well interconnected low pressure wellhead system for drilling base plate |
| CN113898310A (en) * | 2021-10-18 | 2022-01-07 | 北京中海沃邦能源投资有限公司石楼分公司 | Suspension device for coiled tubing |
| CN116446817A (en) * | 2023-06-20 | 2023-07-18 | 什邡慧丰采油机械有限责任公司 | Single-cylinder double-well wellhead device for efficiently producing oil and gas and working method thereof |
| CN116446817B (en) * | 2023-06-20 | 2023-08-25 | 什邡慧丰采油机械有限责任公司 | Single-cylinder double-well wellhead device for efficiently producing oil and gas and working method thereof |
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