CN204060608U - A kind of underwater horizontal type production tree BOP testing tool - Google Patents
A kind of underwater horizontal type production tree BOP testing tool Download PDFInfo
- Publication number
- CN204060608U CN204060608U CN201420471882.5U CN201420471882U CN204060608U CN 204060608 U CN204060608 U CN 204060608U CN 201420471882 U CN201420471882 U CN 201420471882U CN 204060608 U CN204060608 U CN 204060608U
- Authority
- CN
- China
- Prior art keywords
- urceolus
- sleeve
- seat
- blocking
- mandrel
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of underwater horizontal type production tree BOP testing tool, comprise and sit the seat being placed on underwater horizontal type production tree inner chamber step and put sleeve, seat is put sleeve upper surface and is provided with sealing I, seals I upper surface, sits and to put on sleeve lining inclined-plane and step one common seat and be placed with urceolus; Outer tube inner wall epimere inclined-plane is sat and is placed with mandrel, between mandrel middle-end outside and urceolus, be provided with sealing II, have drill rod thread at mandrel upper/lower terminal, be set with blocking assembly in the inwall of mandrel upper end, mandrel lower end outer wall is connected with lower sleeve inwall; Under original state, outer tube inner wall hypomere is sat by step two down and is placed on lower sleeve upper surface, and be provided with bearing pins I between urceolus and lower sleeve, urceolus and seat are put between sleeve and be provided with bearing pins II; In the exterior groove of urceolus lower end, be provided with back-up ring, seat is put sleeve lower surface seat and is placed on back-up ring.Device of the present utility model, structure is simple, easy to operate.
Description
Technical field
The utility model belongs to sea oil drilling and production equipment technology field, relates to a kind of underwater horizontal type production tree BOP testing tool.
Background technology
In offshore oil exploration and exploitation process, underwater horizontal type production tree is one of critical equipment.When BOP (english abbreviation of subsea blowout preventer) is arranged on after on underwater horizontal type production tree, need to carry out pressure test to the connection sealing between BOP and production tree.Underwater horizontal type production tree is then that one is arranged on underwater horizontal type production tree inside carrying step with BOP testing tool, carries out the device of pressure test for the connection sealing between BOP and production tree.
Existing BOP testing tool sets up sealing surface between BOP testing tool and underwater horizontal type production tree mainly through compressing its contained spring, because amount of spring compression is wayward, the reliability of sealing surface between BOP testing tool and underwater horizontal type production tree can not be guaranteed, cause and easily produce leakage when carrying out pressure test to the connection sealing between BOP and production tree, this will cause the failure of pressure test, add the cost of underwater operation.
Utility model content
The purpose of this utility model is to provide a kind of underwater horizontal type production tree BOP testing tool, solves the location existed in prior art inaccurate, seals insecure problem.
The technical scheme that the utility model adopts is, a kind of underwater horizontal type production tree BOP testing tool, comprise and sit the seat being placed on underwater horizontal type production tree inner chamber step and put sleeve, seat is put sleeve upper surface and is provided with sealing I, seals I upper surface, sits and to put on sleeve lining inclined-plane and step one common seat and be placed with urceolus;
Outer tube inner wall epimere inclined-plane is sat and is placed with mandrel, between mandrel middle-end outside and urceolus, be provided with sealing II, have drill rod thread at mandrel upper/lower terminal, be set with blocking assembly in the inwall of mandrel upper end, mandrel lower end outer wall is connected with lower sleeve inwall;
Under original state, outer tube inner wall hypomere is sat by step two down and is placed on lower sleeve upper surface, and be provided with bearing pins I between urceolus and lower sleeve, urceolus and seat are put between sleeve and be provided with bearing pins II; In the exterior groove of urceolus lower end, be provided with back-up ring, seat is put sleeve lower surface seat and is placed on back-up ring.
Underwater horizontal type production tree BOP testing tool of the present utility model, its feature is also:
Blocking assembly structure is, comprise blocking urceolus, blocking pin, blocking steel ball and plug for seal, blocking urceolus is wherein arranged on mandrel upper end inner chamber by external screw-thread, blocking steel ball is arranged on the outer tube inner chamber lower neck position of blocking, and blocking pin is arranged in the through hole of blocking urceolus top setting; Plug for seal is arranged in the seal groove of blocking urceolus lower end.
Back-up ring is C type back-up ring.
Urceolus and seat are put in the groove between sleeve and are provided with sealing I, in mandrel middle-end exterior groove, be provided with sealing II.
The beneficial effects of the utility model are, by cutting off the bearing pins on BOP testing tool, the location of BOP testing tool can be realized very accurately, ensure that the reliability of sealing surface between BOP testing tool and underwater horizontal type production tree, its structure is simple, easy to operate, the requirement of the connection sealing load test jobs between BOP and production tree can be met completely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model underwater horizontal type production tree BOP testing tool before bearing pins is cut off;
Fig. 2 is the structural representation of the utility model underwater horizontal type production tree BOP testing tool after bearing pins is cut off;
Fig. 3 is the structural representation of the utility model underwater horizontal type production tree BOP testing tool blocking assembly 2.
In figure, 1. mandrel, 2. blocks assembly, 3. urceolus, 4. seals I, 5. sits and puts sleeve, 6. back-up ring, 7. lower sleeve, 8. underwater horizontal type production tree, 9. bearing pins I, 10. bearing pins II, 11. sealing II, 12. blocking urceolus, 13. blocking pins, 14. blocking steel balls, 15. plugs for seal.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
With reference to Fig. 1, Fig. 2, structure of the present utility model is, comprise and sit the seat being placed on underwater horizontal type production tree 8 inner chamber step and put sleeve 5, sit and put sleeve 5 upper surface and be provided with sealing I 4, sealing I 4 upper surfaces, sit and put common seat on sleeve 5 inwall inclined-plane and step one and be placed with urceolus 3;
Urceolus 3 inwall epimere inclined-plane is sat and is placed with mandrel 1, sealing II 11 is provided with between mandrel 1 middle-end outside and urceolus 3, drill rod thread is had at mandrel 1 upper/lower terminal, for jointed rod post, be set with blocking assembly 2 (being threaded) in the inwall of mandrel 1 upper end, mandrel 1 lower end outer wall is connected (being threaded) with lower sleeve 7 inwall;
Under original state, urceolus 3 inwall hypomere is sat by step two down and is placed on lower sleeve 7 upper surface, and be provided with bearing pins I 9 between urceolus 3 and lower sleeve 7, urceolus 3 and seat are put between sleeve 5 and be provided with bearing pins II 10; In the exterior groove of urceolus 3 lower end, be provided with back-up ring 6, seat is put sleeve 5 lower surface seat and is placed on back-up ring 6;
Bearing pins I 9 is arranged in lower sleeve 7 upper grooves by the uniform through hole that urceolus 3 lower end is arranged; Bearing pins II 10 is arranged in urceolus 3 by sitting the uniform through hole putting the setting of sleeve 5 middle-end.Urceolus 3 and sit put between sleeve 5 groove in sealing I 4 is installed, for sealing with underwater horizontal type production tree 8.In mandrel 1 middle-end exterior groove, sealing II 11 is installed, for the sealing between mandrel 1 and urceolus 3.
With reference to Fig. 3, blocking assembly 2 structure is, comprise blocking urceolus 12, blocking pin 13, blocking steel ball 14 and plug for seal 15, blocking urceolus 12 is wherein arranged on mandrel 1 upper end inner chamber by external screw-thread, blocking steel ball 14 is arranged on blocking urceolus 12 inner chamber lower neck position, blocking pin 13 is arranged in the through hole of blocking urceolus 12 top setting, skids off blocking urceolus 12 for preventing blocking steel ball 14; Plug for seal 15 be arranged on blocking urceolus 12 lower end seal groove in, for mandrel 1 top bore seal.
The bearing pins I 9 that described BOP testing tool is arranged and bearing pins II 10, achieve the location of instrument very well, ensure that the validity of sealing surface, improve the safety and reliability of subsea blowout preventer pressure test.
Back-up ring 6 is C type back-up ring or other form.
Described sealing I 4, sealing II 11 are metal sealing, nonmetal sealing or combination sealing respectively or all.
Operating principle of the present utility model is:
After subsea blowout preventer is arranged on underwater horizontal type production tree 8, when needing to carry out pressure test to the connection sealing between BOP and production tree, underwater horizontal type production tree BOP testing tool passes through the drill rod thread jointed rod post on mandrel 1, and transfers together.When about 10 meters, subsea blowout preventer top transferred to by BOP testing tool, open heave compensation system, make BOP testing tool slow transit through subsea blowout preventer.
Putting sleeve 5 when the seat of BOP testing tool sits after the seat being placed on underwater horizontal type production tree 8 puts step, as shown in Figure 1, close heave compensation system, cut off bearing pins I 9 on BOP testing tool on urceolus 3 and lower sleeve 7 by discharging the weight of drill string, mandrel 1 is moved down until sit be placed on inside, urceolus 3 upper end carrying step on.Now, sealing II 11 and urceolus 3 top inner headed face are fitted very well, form sealing.Then, continue release drill string weight, cut off urceolus 3 and sit the bearing pins II 10 of putting between sleeve 5, urceolus 3 is moved down, and crush seal I 4 deforms.Now, sealing I 4 is fitted very well with the inner chamber of underwater horizontal type production tree 8, forms sealing, as shown in Figure 2.
Close the upper shutter of subsea blowout preventer, suppressed to by the annular seal space formed between subsea blowout preventer upper shutter and BOP testing tool by drilling well kill manifold, pressure test is carried out to the connection sealing between BOP and production tree.
Carry out pressure test as requested, after completing, open heave compensation system, slowly propose BOP testing tool and be recovered on platform.
This instrument both can be used for carrying out pressure test to the connection sealing between BOP and production tree, also may be used for carrying out pressure test to BOP.
Claims (3)
1. a underwater horizontal type production tree BOP testing tool, its feature is: comprise the seat that seat is placed on underwater horizontal type production tree (8) inner chamber step and put sleeve (5), seat is put sleeve (5) upper surface and is provided with sealing I (4), and sealing I (4) upper surface, seat are put common seat on sleeve (5) inwall inclined-plane and step one and be placed with urceolus (3);
Urceolus (3) inwall epimere inclined-plane is sat and is placed with mandrel (1), sealing II (11) is provided with between mandrel (1) middle-end outside and urceolus (3), drill rod thread is had at mandrel (1) upper/lower terminal, be set with blocking assembly (2) in the inwall of mandrel (1) upper end, mandrel (1) lower end outer wall is connected with lower sleeve (7) inwall;
Under original state, urceolus (3) inwall hypomere is sat by step two down and is placed on lower sleeve (7) upper surface, be provided with bearing pins I (9) between urceolus (3) and lower sleeve (7), urceolus (3) and seat are put between sleeve (5) and are provided with bearing pins II (10); In the exterior groove of urceolus (3) lower end, be provided with back-up ring (6), seat is put sleeve (5) lower surface seat and is placed on back-up ring (6);
Bearing pins I (9) is arranged in lower sleeve (7) upper grooves by the uniform through hole that urceolus (3) lower end is arranged; The uniform through hole that bearing pins II (10) puts the setting of sleeve (5) middle-end by seat is arranged in urceolus (3).
2. underwater horizontal type production tree BOP testing tool according to claim 1, its feature is: blocking assembly (2) structure is, comprise blocking urceolus (12), blocking pin (13), blocking steel ball (14) and plug for seal (15), blocking urceolus (12) is wherein arranged on mandrel (1) upper end inner chamber by external screw-thread, blocking steel ball (14) is arranged on blocking urceolus (12) inner chamber lower neck position, and blocking pin (13) is arranged in the through hole of blocking urceolus (12) top setting; Plug for seal (15) is arranged in the seal groove of blocking urceolus (12) lower end.
3. underwater horizontal type production tree BOP testing tool according to claim 1, its feature is: described back-up ring (6) is C type back-up ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471882.5U CN204060608U (en) | 2014-08-20 | 2014-08-20 | A kind of underwater horizontal type production tree BOP testing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471882.5U CN204060608U (en) | 2014-08-20 | 2014-08-20 | A kind of underwater horizontal type production tree BOP testing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204060608U true CN204060608U (en) | 2014-12-31 |
Family
ID=52202146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420471882.5U Active CN204060608U (en) | 2014-08-20 | 2014-08-20 | A kind of underwater horizontal type production tree BOP testing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204060608U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768979A (en) * | 2017-01-19 | 2017-05-31 | 中国石油大学(北京) | Instrument is prized in test for subsea production tree |
| CN113272517A (en) * | 2018-11-28 | 2021-08-17 | 阿布扎比国家石油公司 | Blowout preventer testing barrel shaft system |
-
2014
- 2014-08-20 CN CN201420471882.5U patent/CN204060608U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768979A (en) * | 2017-01-19 | 2017-05-31 | 中国石油大学(北京) | Instrument is prized in test for subsea production tree |
| CN113272517A (en) * | 2018-11-28 | 2021-08-17 | 阿布扎比国家石油公司 | Blowout preventer testing barrel shaft system |
| US11840922B2 (en) | 2018-11-28 | 2023-12-12 | Abu Dhabi National Oil Company | Blow-out preventer test spool system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206693997U (en) | A kind of oil field is every excavating technology tubing string | |
| CN205858333U (en) | A kind of three plug hydraulic fracturing detecting earth stress systems | |
| CN204060645U (en) | Can repeatedly ball-throwing type screen casing | |
| CN204060608U (en) | A kind of underwater horizontal type production tree BOP testing tool | |
| CN201428415Y (en) | Quick pressure testing device of well mouth blowout preventer | |
| CN101839117B (en) | Annulus safety valve | |
| CN201843567U (en) | Tubing plug capable of passing small hole | |
| CN103850662B (en) | One is annular preventer under water | |
| CN206144513U (en) | Hydraulic packer | |
| CN104563956A (en) | Two-way anchored well plugging device | |
| CN204571854U (en) | Middle matter oil leakage loses well test string | |
| CN201778733U (en) | Hydraulic penetration device between subsea production tree and tubing hanger | |
| CN208380521U (en) | A kind of shoe of Offshore Drilling Riser | |
| CN202970598U (en) | High-pressure casing head component | |
| CN202866701U (en) | Releasing tool used for releasing tubular column | |
| CN202946106U (en) | Grouting-free forcing type float collar | |
| CN202325402U (en) | Blowout-preventing plug valve | |
| CN201635703U (en) | Sleeve pipe pressure test plugging device | |
| CN108049829A (en) | A kind of drilling rod ejection escape hanging tool | |
| CN206144509U (en) | Bidirectional bearing packer | |
| CN206376833U (en) | A kind of bridging plug is sat and tests integral process tubing string | |
| CN211038563U (en) | Flange male cone | |
| CN205025419U (en) | Horizontal well bridging plug is sat and is sealed, is tested and scurry integrated technology tubular column | |
| CN203271660U (en) | Emergency release suspension tool for marine operation oil tube | |
| CN205025426U (en) | Horizontal well bridging plug is sat and is tested integrated technology tubular column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |