CN109538153A - A kind of Concentric Coiled Tubing hanger - Google Patents
A kind of Concentric Coiled Tubing hanger Download PDFInfo
- Publication number
- CN109538153A CN109538153A CN201910053683.XA CN201910053683A CN109538153A CN 109538153 A CN109538153 A CN 109538153A CN 201910053683 A CN201910053683 A CN 201910053683A CN 109538153 A CN109538153 A CN 109538153A
- Authority
- CN
- China
- Prior art keywords
- top connection
- slips
- coiled tubing
- concentric
- tubing hanger
- 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 claims abstract description 16
- 239000007788 liquid Substances 0.000 description 6
- 239000004576 sand Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 241000254175 Anthonomus grandis Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005096 rolling process Methods 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
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 invention discloses a kind of Concentric Coiled Tubing hangers, including wing nut component, top connection, slips, sealing ring, Highpressure Tee and seal assembly, one end of the top connection is connect with wing nut component, the other end of the top connection by appointing with Highpressure Tee by being connect, the boundary of the top connection and Highpressure Tee is equipped with sealing ring, the top connection is the cylinder of inner hollow, slips is located on the inner wall of top connection, open up fluted on top connection inner wall between slips and sealing ring, seal assembly is located in groove.The utility model has the advantages that entire length is short, takes up space small, be sealed, it is good that slips grabs concentric tube inner tube stability.
Description
Technical field
The present invention relates to oil and gas exploitation equipment technology fields, and in particular to a kind of Concentric Coiled Tubing hanger.
Background technique
Concentric Coiled Tubing is exactly the coiled tubing (concentric tube outer tube and concentric tube inner tube) by two kinds of different-diameters, is covered
The features such as one cross section of composition is the coiled tubing of concentric circles together, and this coiled tubing is high, at low cost because of its operating efficiency,
It is widely used in sand washing in major diameter casing, sand washing in the serious well of leakage, low-pressure gas well sand washing, the operations such as low pressure well drain
In.
Currently, the equipment that can hang Concentric Coiled Tubing is less, urgently a kind of Concentric Coiled Tubing hanger thus.
Summary of the invention
The purpose of the present invention overcomes the deficiencies of the prior art and provide a kind of Concentric Coiled Tubing hanger, with one heart continuous oil
By saving mutual crossover sub, while saving connection by appointing connection flexible and convenient between each component of pipe hanger
The length of the tool entirety at place, the upper end of Concentric Coiled Tubing hanger pass through by appointing and wing nut component and coiled tubing rolling
Cylinder high pressure pipe joint entrance connects, and the lower end of Concentric Coiled Tubing hanger by appointing with concentric tube outer tube by being connect, by above connecing
The fixed concentric tube inner tube of the slips of head inner surface, realizes suspension.
The purpose of the present invention is what is reached by following technical measures: a kind of Concentric Coiled Tubing hanger, including aerofoil profile
Nut assembly, top connection, slips, sealing ring, Highpressure Tee and seal assembly, one end of the top connection and wing nut component
Connection, by being connect by appointing with Highpressure Tee, the boundary of the top connection and Highpressure Tee sets the other end of the top connection
There is sealing ring, the top connection is the cylinder of inner hollow, and slips is located on the inner wall of top connection, between slips and sealing ring
Top connection inner wall on open up fluted, seal assembly is located in groove.
Further, the Highpressure Tee by appointing with concentric tube outer tube by being connect.
Further, a plurality of inclined-plane, contact of the top connection with slips are offered on the slips and the contact surface of top connection
A plurality of inclined-plane is offered on face, the inclined-plane of slips and the inclined-plane of top connection fit.
Further, upper surface of the upper surface of concentric tube inner tube without departing from the top connection.
Further, the top connection and wing nut component pass through by appointing connection.
Compared with prior art, the beneficial effects of the present invention are: passing through between each component of Concentric Coiled Tubing hanger
By appointing connection flexible and convenient, mutual crossover sub is saved, while saving the length of the tool entirety of junction, connected with one heart
The upper end of continuous boll-weevil hanger is by connecting with one heart by appointing and wing nut component connects with roller of continuous oil pipe high pressure pipe joint entrance
The lower end of continuous boll-weevil hanger by appointing with concentric tube outer tube by being connect, by the fixed concentric tube of the slips of top connection inner surface
Pipe realizes suspension.2. between top connection and Highpressure Tee, between top connection and concentric tube inner tube, being equipped with sealing, guaranteeing operation
When liquid will not leak.3. the connectivity port of Highpressure Tee is standard by appointing interface, and Highpressure Tee side connector is two same
The annular circulation channel of heart coiled tubing, when liquid is from the row of returning between the inside and outside pipeline of Concentric Coiled Tubing, from Highpressure Tee
Side connector discharge, provide circulation canal for flowback liquid, ensure that going on smoothly for operation.4. the oil continuous with one heart
The entire length of pipe hanger is shorter, takes up space smaller, also applicable on minor radius roller.
It elaborates with reference to the accompanying drawings and detailed description to the present invention.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Concentric Coiled Tubing hanger.
Fig. 2 is the enlarged drawing of F in Concentric Coiled Tubing hanger structural schematic diagram.
Wherein, 1. wing nut component, 2. top connections, 3. slips, 4. sealing rings, 5. Highpressure Tees, 6. seal assemblies, 7.
By appointing, 8. inclined-planes.
Specific embodiment
As shown in Fig. 1 to 2, a kind of Concentric Coiled Tubing hanger, including wing nut component 1, top connection 2, slips 3,
One end of sealing ring 4, Highpressure Tee 5 and seal assembly 6, the top connection 2 is connect with wing nut component 1, the top connection 2
The other end by being connect by wantonly 7 with Highpressure Tee 5, the top connection 2 and the boundary of Highpressure Tee 5 are equipped with sealing ring 4, institute
State the cylinder that top connection 2 is inner hollow, slips 3 is located on the inner wall of top connection 2, between slips 3 and sealing ring 4 on connect
Open up fluted on first 2 inner wall, seal assembly 6 is located in groove.The connectivity port of Highpressure Tee 5 is standard by wantonly 7 interface,
And 5 side connector of Highpressure Tee is the annular circulation channel of two Concentric Coiled Tubings, when liquid is from the inside and outside of Concentric Coiled Tubing
Between pipeline when the row of returning, it is discharged from the side connector of Highpressure Tee 5, provides circulation canal for flowback liquid, ensure that operation
Go on smoothly.The upper end of Concentric Coiled Tubing hanger passes through by wantonly 7 and wing nut component 1 and roller of continuous oil pipe high pressure
Manifold entrance connects, and the lower end of Concentric Coiled Tubing hanger by wantonly 7 with concentric tube outer tube by being connect, (the Highpressure Tee 5
By being connect by wantonly 7 with concentric tube outer tube), by the fixed concentric tube inner tube of the slips 3 of 2 inner surface of top connection, realize suspension.It is logical
It crosses by wantonly 7 connection flexibly and easily, saves mutual crossover sub, while saving the length of the tool entirety of junction, and
It takes up space smaller, so also applicable on minor radius roller.Between top connection 2 and Highpressure Tee 5, it is equipped with sealing ring 4, on
Between connector 2 and concentric tube inner tube, it is equipped with seal assembly 6, guarantees that liquid will not leak when operation.
A plurality of inclined-plane 8 is offered on the slips 3 and the contact surface of top connection 2, on the contact surface of top connection 2 and slips 3
A plurality of inclined-plane 8 is offered, the inclined-plane 8 of slips 3 fits with the inclined-plane 8 of top connection 2.By the fitting on inclined-plane 8 each other, increase
Stability of the slips 3 in top connection 2, anti-sliding stop.
When installing top connection 2, the length of precise measurement concentric tube inner tube is needed, if Concentric Coiled Tubing is too long, is needed
Accurate cutting concentric tube inner tube, prevent the upper surface of concentric tube inner tube is from exposing the upper surface of top connection 2, and inner tube has been cut
Handle the end chamfer of concentric tube inner tube in time afterwards, in order to avoid the seal assembly 6 of damage 2 inner surface of top connection.
The word "upper" of direction is close to 1 side of wing nut component in present specification, and "lower" is far from aerofoil profile
1 side of nut assembly.
Claims (5)
1. a kind of Concentric Coiled Tubing hanger, it is characterised in that: including wing nut component, top connection, slips, sealing ring,
One end of Highpressure Tee and seal assembly, the top connection is connect with wing nut component, and the other end of the top connection passes through
It is connect by appointing with Highpressure Tee, the boundary of the top connection and Highpressure Tee is equipped with sealing ring, and the top connection is in inside
Empty cylinder, slips are located on the inner wall of top connection, opened up on the top connection inner wall between slips and sealing ring it is fluted, it is close
Sealing assembly is located in groove.
2. Concentric Coiled Tubing hanger according to claim 1, it is characterised in that: the Highpressure Tee by by appoint with
The connection of concentric tube outer tube.
3. Concentric Coiled Tubing hanger according to claim 1, it is characterised in that: contact of the slips with top connection
It offers a plurality of inclined-plane on face, offers a plurality of inclined-plane on the contact surface of top connection and slips, the inclined-plane of slips and top connection
Inclined-plane fits.
4. Concentric Coiled Tubing hanger according to claim 1, it is characterised in that: the upper surface of concentric tube inner tube does not surpass
The upper surface of the top connection out.
5. Concentric Coiled Tubing hanger according to claim 1, it is characterised in that: the top connection and wing nut group
Part passes through by appointing connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910053683.XA CN109538153A (en) | 2019-01-21 | 2019-01-21 | A kind of Concentric Coiled Tubing hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910053683.XA CN109538153A (en) | 2019-01-21 | 2019-01-21 | A kind of Concentric Coiled Tubing hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109538153A true CN109538153A (en) | 2019-03-29 |
Family
ID=65837799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910053683.XA Pending CN109538153A (en) | 2019-01-21 | 2019-01-21 | A kind of Concentric Coiled Tubing hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109538153A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202132635U (en) * | 2011-07-25 | 2012-02-01 | 烟台杰瑞石油装备技术有限公司 | Rotary joint for roller of continuous oil pipe |
| 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 |
| 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 |
| CN106437575A (en) * | 2016-10-28 | 2017-02-22 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | High-pressure fine filtering manifold and filtering method thereof |
| CN207905784U (en) * | 2017-12-28 | 2018-09-25 | 中国石油天然气集团公司 | Coiled tubing abrasive perforating filter |
| CN209654004U (en) * | 2019-01-21 | 2019-11-19 | 杰瑞能源服务有限公司 | A kind of Concentric Coiled Tubing hanger |
-
2019
- 2019-01-21 CN CN201910053683.XA patent/CN109538153A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202132635U (en) * | 2011-07-25 | 2012-02-01 | 烟台杰瑞石油装备技术有限公司 | Rotary joint for roller of continuous oil pipe |
| 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 |
| 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 |
| CN106437575A (en) * | 2016-10-28 | 2017-02-22 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | High-pressure fine filtering manifold and filtering method thereof |
| CN207905784U (en) * | 2017-12-28 | 2018-09-25 | 中国石油天然气集团公司 | Coiled tubing abrasive perforating filter |
| CN209654004U (en) * | 2019-01-21 | 2019-11-19 | 杰瑞能源服务有限公司 | A kind of Concentric Coiled Tubing hanger |
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