CN203394450U - High-pressure throwing-in and pulling eccentric gas lift working barrel - Google Patents
High-pressure throwing-in and pulling eccentric gas lift working barrel Download PDFInfo
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- CN203394450U CN203394450U CN201320358012.2U CN201320358012U CN203394450U CN 203394450 U CN203394450 U CN 203394450U CN 201320358012 U CN201320358012 U CN 201320358012U CN 203394450 U CN203394450 U CN 203394450U
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- eccentric
- center line
- eccentric segment
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- valve bag
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Abstract
The utility model discloses a high-pressure throwing-in and pulling eccentric gas lift working barrel, which belongs to the technical field of oil and gas field gas lift production. The barrel body consists of an upper joint, an eccentric section and a lower joint; the total length of the barrel body is 2,250 mm; the upper joint and the lower joint are on the central line of a same main path; the external diameter of the upper joint and the lower joint is 95 mm; the diameter of the main path is 61 mm, and the length is 320 mm; the outer wall of the eccentric section is tangential to the outer walls of the upper joint and the lower joint; slope transitions are formed at the junction of the eccentric section and the upper joint and at the junction of the eccentric section of the lower joint; the inclination of the slope is 40 degrees; the eccentric section is arranged in the middle of the upper joint and the lower joint; the distance from the central line of the eccentric section to the central line of the main path is 16.5 mm; the external diameter of the eccentric section is 128 mm; a valve bag is welded on the eccentric section; the distance from the central line of the valve bag to the central line of the main path is 50 mm; the central line of the main path, the central line of the eccentric section and the central line of the valve bag are on a same plane; the cavity of the eccentric section is communicated with the main path; the wall of the valve bag is provided with three through holes.
Description
Technical field
The utility model relates to the eccentric gas-lift working barrel of a kind of high pressure retrievable type, belongs to oil gas field gas-lift production technical field.
Background technology
Retrievable type side-pocket mandrel is used for installing, sealing, fixing gas lift valve, it is equivalent to a special tubing nipple, by upper lower contact, be connected on tubing string, fairlead on side-pocket mandrel coordinates with the steel wire operation tool whipstock of going into the well, can guarantee the side cavity of delivery tool or the in-built valve of fishing-out tool aligning cylinder, gas lift valve drops into after side cavity, locked, sealing, gases at high pressure in oil, casing annulus enter oil pipe by the air inlet on side cavity through gas lift valve, thereby reach the object of lifting shaft bottom liquid.
Eccentric gas-lift working barrel is mainly comprised of seating nipple, gas lift valve valve bag, valve bag is used for installing, sealing, fixing gas lift valve, machined after and seating nipple integrally welded, its central axis of valve bag is parallel with eccentric part central axis and keep certain eccentric throw requirement, guarantees the input of wire Launching and Bailing operation and pulls out working properly.
Domestic conventional retrievable type gas-lift working barrel is owing to being subject to the restriction of welding procedure, whole bearing capacity is not high, can only be applied to gaslift completion, in the field operations such as conventional discharge opeing, the eccentric gas-lift working barrel of high pressure retrievable type of moulding is owing to adopting special welding procedure to process, greatly improve whole bearing capacity, broken through the low restriction of conventional retrievable type gas-lift working barrel bearing capacity, by application by original gaslift completion, gas lift liquid drainage, extend to acidifying, the operations involving high pressure fields such as pressure break, make pressure break (acidifying), discharge opeing, gaslift completion one-trip string is finally achieved, greatly expand the application of original retrievable type gas-lift working barrel.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of high pressure retrievable type eccentric gas-lift working barrel.
The purpose of this utility model is: provide a kind of high pressure retrievable type eccentric gas-lift working barrel, adopt integrate forging process to manufacture eccentric gas-lift working barrel, specially treated mode processing welding lines, bearing capacity reaches 70MPa, meet the bearing requirements to eccentric gas-lift working barrel in the operations involving high pressures such as pressure break, acidifying, greatly expanded the application of original retrievable type gas-lift working barrel.
The technical solution adopted in the utility model is: the eccentric gas-lift working barrel of a kind of high pressure retrievable type, and cylindrical shell is comprised of top connection, eccentric segment and lower contact; Cylindrical shell overall length is 2250 millimeters, and top connection and lower contact are on the main latus rectum center line of same; Top connection and lower contact external diameter are 95 millimeters, and the diameter of main latus rectum is 61 millimeters, and length is 320 millimeters; The outer wall of eccentric segment outer wall and top connection and lower contact is tangent; Eccentric segment and top connection junction and eccentric segment and lower contact junction have slope excessive; Gradient 40 degree on slope; In the middle of top connection and lower contact, have eccentric segment, the distance of eccentric segment center line and main latus rectum center line is 16.5 millimeters; The external diameter of eccentric segment is 128 millimeters; Valve bag is welded on eccentric segment; The distance of valve bag center line and main latus rectum center line is 50 millimeters; Main latus rectum center line, eccentric segment center line and valve bag center line are in same plane; Eccentric segment inner chamber communicates with main latus rectum; On valve bag wall, there are 3 through holes.
In order to reduce eccentric segment and top connection and lower contact junction stress, concentrate, also for to be lowered to smoothly in sleeve pipe, eccentric segment and top connection junction and eccentric segment and lower contact junction have slope excessive.The gradient on slope is between 30-45 degree.The external diameter of eccentric segment is between 127-130 millimeter.Top connection and lower contact external diameter are 94-96 millimeter, and the diameter of main latus rectum is 59-62 millimeter.
In order to meet the bearing requirements to eccentric gas-lift working barrel in operations involving high pressure, weld seam between valve bag and seating nipple is carried out to specially treated, make the bearing capacity of the eccentric gas-lift working barrel of high pressure retrievable type be increased to 70MPa, thereby meet the technical requirements of pressure break (acidifying), discharge opeing, gaslift completion one-trip string.When gas lift valve is when manufacturing process breaks down, can, in the situation that not changing tubing string, by steel wire operation, to gas lift valve, overhaul replacing.
For the high pressure gas physical efficiency of injecting from well head enters gas lift valve, then enter oil pipe and mix with well liquid, on valve bag wall, have through hole.
The beneficial effects of the utility model: oil gas field reaches 70MPa with the eccentric gas-lift working barrel bearing capacity of high pressure retrievable type, meets the technical requirements of pressure break (acidifying), discharge opeing, gaslift completion one-trip string.When gas lift valve is when manufacturing process breaks down, can, in the situation that not changing tubing string, by steel wire operation, to gas lift valve, overhaul replacing.
The eccentric gas-lift working barrel of high pressure retrievable type adopts integrate forging process manufacture, and undergauge section exterior contour diameter is less than eccentric segment outer dia overall size, has guaranteed cylindrical shell being lowered to smoothly in corresponding sleeve pipe; Using integral Forging Technology is manufactured, and eccentric segment center line is parallel with main latus rectum center line, has eliminated seating nipple and production tube eccentric error, improves wire Launching and Bailing success rate.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by the detailed description with reference to below, can more completely understand better the utility model and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide further understanding of the present utility model, form a part of the present utility model, schematic description and description of the present utility model is used for explaining the utility model, do not form improper restriction of the present utility model, as schemed wherein:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is A-A cross-sectional view of the present utility model.
Below in conjunction with drawings and Examples, the utility model is further illustrated.
The specific embodiment
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present utility model belong to protection domain of the present utility model.
Embodiment 1: as shown in Figure 1 and Figure 2,
The eccentric gas-lift working barrel of retrievable type, is comprised of cylindrical shell and valve bag two parts, and cylindrical shell adopts solid forging to form through multiple high temp Bar Rolling Process; There is top connection 1, eccentric segment 2, eccentric segment center line 3, valve bag 4, valve bag center line 5, lower contact 6, main latus rectum center line 7, slope 8, latus rectum 9.
Cylindrical shell is comprised of top connection 1, eccentric segment 2 and lower contact 6; Cylindrical shell overall length is 2250 millimeters, and top connection 1 and lower contact 6 are on the main latus rectum center line 7 of same; Top connection 1 and lower contact 6 external diameters are 95 millimeters, and the diameter of main latus rectum is 61 millimeters, and length is 320 millimeters; The outer wall of eccentric segment 2 outer walls and top connection 1 and lower contact 6 is tangent; Eccentric segment 2 has slope 8 excessive with top connection 1 junction and eccentric segment 2 with lower contact 6 junctions; Gradient 40 degree on slope 8; In the middle of top connection 1 and lower contact 6, have eccentric segment 2, eccentric segment center line 3 is 16.5 millimeters with the distance of main latus rectum center line 7; The external diameter of eccentric segment 2 is 128 millimeters;
As mentioned above, embodiment of the present utility model is explained, but as long as not departing from fact inventive point of the present utility model and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, within such variation is also all included in protection domain of the present utility model.
Claims (1)
1. the eccentric gas-lift working barrel of high pressure retrievable type, is characterized in that cylindrical shell is comprised of top connection, eccentric segment and lower contact; Cylindrical shell overall length is 2250 millimeters, and top connection and lower contact are on the main latus rectum center line of same; Top connection and lower contact external diameter are 95 millimeters, and the diameter of main latus rectum is 61 millimeters, and length is 320 millimeters; The outer wall of eccentric segment outer wall and top connection and lower contact is tangent; Eccentric segment and top connection junction and eccentric segment and lower contact junction have slope excessive; Gradient 40 degree on slope; In the middle of top connection and lower contact, have eccentric segment, the distance of eccentric segment center line and main latus rectum center line is 16.5 millimeters; The external diameter of eccentric segment is 128 millimeters; Valve bag is welded on eccentric segment; The distance of valve bag center line and main latus rectum center line is 50 millimeters; Main latus rectum center line, eccentric segment center line and valve bag center line are in same plane; Eccentric segment inner chamber communicates with main latus rectum; On valve bag wall, there are 3 through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320358012.2U CN203394450U (en) | 2013-06-21 | 2013-06-21 | High-pressure throwing-in and pulling eccentric gas lift working barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320358012.2U CN203394450U (en) | 2013-06-21 | 2013-06-21 | High-pressure throwing-in and pulling eccentric gas lift working barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203394450U true CN203394450U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320358012.2U Expired - Fee Related CN203394450U (en) | 2013-06-21 | 2013-06-21 | High-pressure throwing-in and pulling eccentric gas lift working barrel |
Country Status (1)
| Country | Link |
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| CN (1) | CN203394450U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111512017A (en) * | 2017-09-15 | 2020-08-07 | 因特里加斯Csm服务有限公司 | Low-pressure gas-lift type artificial lifting system and method |
| CN114060267A (en) * | 2021-11-12 | 2022-02-18 | 华旭唐山石油科技有限公司 | Throwing-fishing type submersible screw pump with wet-type electric plug and use method thereof |
| CN114562241A (en) * | 2022-03-04 | 2022-05-31 | 中海石油(中国)有限公司 | Bypass continuous pipe gas injection gas lift pipe column system |
| CN114562240A (en) * | 2022-03-04 | 2022-05-31 | 中海石油(中国)有限公司 | Bypass gas lift working barrel for oil and gas field |
-
2013
- 2013-06-21 CN CN201320358012.2U patent/CN203394450U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111512017A (en) * | 2017-09-15 | 2020-08-07 | 因特里加斯Csm服务有限公司 | Low-pressure gas-lift type artificial lifting system and method |
| CN114060267A (en) * | 2021-11-12 | 2022-02-18 | 华旭唐山石油科技有限公司 | Throwing-fishing type submersible screw pump with wet-type electric plug and use method thereof |
| CN114060267B (en) * | 2021-11-12 | 2023-04-28 | 华旭唐山石油科技有限公司 | Wet type electric plug throwing-in and fishing-out type submersible screw pump and use method thereof |
| CN114562241A (en) * | 2022-03-04 | 2022-05-31 | 中海石油(中国)有限公司 | Bypass continuous pipe gas injection gas lift pipe column system |
| CN114562240A (en) * | 2022-03-04 | 2022-05-31 | 中海石油(中国)有限公司 | Bypass gas lift working barrel for oil and gas field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |