CN203362098U - Ultrahigh-pressure coiled tubing fracture wellhead device - Google Patents
Ultrahigh-pressure coiled tubing fracture wellhead device Download PDFInfo
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- CN203362098U CN203362098U CN201320430243XU CN201320430243U CN203362098U CN 203362098 U CN203362098 U CN 203362098U CN 201320430243X U CN201320430243X U CN 201320430243XU CN 201320430243 U CN201320430243 U CN 201320430243U CN 203362098 U CN203362098 U CN 203362098U
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Abstract
The utility model discloses an ultrahigh-pressure coiled tubing fracture wellhead device. The ultrahigh-pressure coiled tubing fracture wellhead device comprises a flange adapter, a tubing cross, a Y-shaped cross and coiled tubing. The upper portion of the tubing cross is connected with a mandrel type tubing suspender, the inside of the Y-shaped cross is connected with coiler tubing protecting sleeves, and the upper portion of the main path of the Y-shaped cross is connected with a Christmas tree cap; the lower portion of the tubing cross is connected with the flange adapter, the tubing cross is connected with the main path of the Y-shaped cross through first flat gate valves, and the left path and the right path of the Y-shaped cross are respectively connected with a union flange through second flat gate valves; the coiled tubing extends under a shaft through the Y-shaped cross, and the middle portion of the coiled tubing is separated by the coiled tubing protecting sleeves. According to the ultrahigh-pressure coiled tubing fracture wellhead device, by means of the coiled tubing protecting sleeves, the impact, corrosion and wearing on the coiled tubing during high-pressure fracturing fluid injection can be reduced, so that the coiled tubing can be effectively protected.
Description
Technical field
The utility model relates to a kind of device for fracturing wellhead, particularly a kind of under hyperpressure (15000Psi and more than) condition, the wellhead assembly of coiled tubing hydraulic jetting fracturing technology.
Background technology
At present, domestic coiled tubing technology only is confined to the small-scale workshops such as well-flushing.Oil/gas Well for the bad ground environment, there are a plurality of oil reservoirs on as vertical as stratum, and part oil reservoir span is larger, adopt conventional fracturing technique to carry out operation more difficult, traditional device for fracturing wellhead also is difficult to adapt to the operating mode of high wearing and tearing under the 15000Psi hyperpressure, and the coiled tubing fracturing technique can efficient head it off.
The utility model content
The technical problem that the utility model mainly solves is to provide a kind of super-pressure coiled tubing device for fracturing wellhead, can meet the 15000Psi hyperpressure, and high wearing and tearing pressure break operating mode provides the wellhead assembly solution of coiled tubing hydraulic jetting fracturing technology; The coiled tubing protective sleeve is provided, slows down impact, burn into wearing and tearing to coiled tubing while injecting high pressure fracture liquid, effectively protect coiled tubing.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of super-pressure coiled tubing device for fracturing wellhead is provided, comprise: flange adaptor, oil pipe four-way, Y type four-way and coiled tubing, described oil pipe four-way top is connected with the mandrel type boll-weevil hanger, described Y type four-way is internally connected with the coiled tubing protective sleeve, and described Y type four-way master's latus rectum top connects tree cap; Described oil pipe four-way bottom adpting flange adapter; described oil pipe four-way is connected with the main latus rectum of Y type four-way by the first flat gate valve; the left and right sides latus rectum of described Y type four-way is connected with the union flange by the second flat gate valve respectively; described coiled tubing by Y type four-way lower going-into-well at the bottom of, the centre of coiled tubing is separated by the coiled tubing protective sleeve.
In preferred embodiment of the utility model, described oil pipe four-way side outlet is connected with for measuring the first pressure meter of annular pressure.
In preferred embodiment of the utility model, the main channel of described Y type four-way is connected with for measuring the second pressure meter of coiled tubing internal pressure.
The beneficial effects of the utility model are: the utility model Y type four-way is furnished with the coiled tubing protective sleeve, when Y type four-way both sides mouth injects high pressure fracture liquid, slows down the impact to coiled tubing, corrosion, and wearing and tearing, effectively protect coiled tubing; Oil pipe four-way top is furnished with the mandrel type boll-weevil hanger, and the mandrel type boll-weevil hanger is in order to hang the top layer oil pipe, the annular pressure of packing oil pipe and bottom; The utility model device for fracturing wellhead is rational in infrastructure, compact, easy to install, long service life.
The accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the utility model super-pressure coiled tubing device for fracturing wellhead.
In accompanying drawing, the mark of each parts is as follows: 1, flange adaptor; 2, oil pipe four-way, 3, the mandrel type boll-weevil hanger, the 4, first flat gate valve; 40, the second flat gate valve; 5, Y type four-way, 6, the coiled tubing protective sleeve, 7,8, the union flange; 9, tree cap; 10, coiled tubing, the 20, first pressure meter, the 50, second pressure meter.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
Refer to shown in Fig. 1, this device for fracturing wellhead is applicable under hyperpressure 15000Psi operating mode, the utility model embodiment comprises: a kind of super-pressure coiled tubing device for fracturing wellhead, comprise: flange adaptor 1, oil pipe four-way 2, Y type four-way 5 and coiled tubing 10, oil pipe four-way 2 tops are connected with mandrel type boll-weevil hanger 3, Y type four-way 5 is internally connected with coiled tubing protective sleeve 6, the left and right sides latus rectum of Y type four-way 5 is connected with union flange 7 by the second flat gate valve 40 respectively and 8, Y type four-way, 5 main latus rectum tops connect tree cap 9; Oil pipe four-way 2 bottom adpting flange adapters 1, described oil pipe four-way 2 is connected with the main latus rectum of Y type four-way 5 by the first flat gate valve 4, coiled tubing 10 by Y type four-way 5 lower going-into-wells at the bottom of, the centre of coiled tubing 10 is separated by coiled tubing protective sleeve 6.
Furtherly, described oil pipe four-way 2 side outlets are connected with for measuring the first pressure meter 20 of annular pressure; The main channel of described Y type four-way 5 is connected with for measuring the second pressure meter 50 of coiled tubing internal pressure.
The utility model super-pressure coiled tubing device for fracturing wellhead, when fracturing work starts, is opened tree cap 9, toward well head, is lowered to the through shaft bottom of coiled tubing 10, then toward the fracturing fluid that pumps into the large pressure of large discharge capacity in coiled tubing 10, hydraulic jetting fracturing; The union flange 7 of the left and right sides of Y type four-way 5 and 8 places pump into the fracturing fluid of the large pressure of large discharge capacity, be connected in the mandrel type boll-weevil hanger 3 on oil pipe four-way 2 tops, hang the top layer oil pipe, the annular pressure of packing oil pipe and bottom, annular space place fracturing fluid further carries out the hydraulic jetting fracturing operation.Now coiled tubing protective sleeve 6 can play the effect of the middle coiled tubing of protection, slows down the impact to coiled tubing 10, corrosion, and wearing and tearing, effectively protect coiled tubing, improves the application life of whole device for fracturing wellhead.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model manual and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (3)
1. a super-pressure coiled tubing device for fracturing wellhead, it is characterized in that, comprise: flange adaptor, oil pipe four-way, Y type four-way and coiled tubing, described oil pipe four-way top is connected with the mandrel type boll-weevil hanger, described Y type four-way is internally connected with the coiled tubing protective sleeve, and described Y type four-way master's latus rectum top connects tree cap; Described oil pipe four-way bottom adpting flange adapter; described oil pipe four-way is connected with the main latus rectum of Y type four-way by the first flat gate valve; the left and right sides latus rectum of described Y type four-way is connected with the union flange by the second flat gate valve respectively; described coiled tubing by Y type four-way lower going-into-well at the bottom of, the centre of coiled tubing is separated by the coiled tubing protective sleeve.
2. super-pressure coiled tubing device for fracturing wellhead according to claim 1, it is characterized in that: described oil pipe four-way (2) side outlet is connected with for measuring the first pressure meter of annular pressure.
3. super-pressure coiled tubing device for fracturing wellhead according to claim 1, it is characterized in that: the main channel of described Y type four-way (5) is connected with for measuring the second pressure meter of coiled tubing internal pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320430243XU CN203362098U (en) | 2013-07-19 | 2013-07-19 | Ultrahigh-pressure coiled tubing fracture wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320430243XU CN203362098U (en) | 2013-07-19 | 2013-07-19 | Ultrahigh-pressure coiled tubing fracture wellhead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203362098U true CN203362098U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320430243XU Expired - Lifetime CN203362098U (en) | 2013-07-19 | 2013-07-19 | Ultrahigh-pressure coiled tubing fracture wellhead device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203362098U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221130A (en) * | 2014-06-19 | 2016-01-06 | 姜金维 | A kind of super-pressure, large discharge, combined type fracture manifold |
| CN111894514A (en) * | 2020-08-31 | 2020-11-06 | 江苏宏泰石化机械有限公司 | Compact ultrahigh pressure oil (gas) production wellhead device |
-
2013
- 2013-07-19 CN CN201320430243XU patent/CN203362098U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221130A (en) * | 2014-06-19 | 2016-01-06 | 姜金维 | A kind of super-pressure, large discharge, combined type fracture manifold |
| CN111894514A (en) * | 2020-08-31 | 2020-11-06 | 江苏宏泰石化机械有限公司 | Compact ultrahigh pressure oil (gas) production wellhead device |
| CN111894514B (en) * | 2020-08-31 | 2024-04-02 | 江苏宏泰石化机械有限公司 | Compact ultrahigh pressure oil extraction wellhead device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230328 Address after: No. 16, Xihenggang Street, Yangchenghu Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215000 Patentee after: Suzhou Dawson Drilling and Production Equipment Co.,Ltd. Address before: 215137 Taiping Zhen Xingtai Road, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU DOUSON DRILLING & PRODUCTION EQUIPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |