CN201883995U - Compressed type test seal tool for directional well - Google Patents
Compressed type test seal tool for directional well Download PDFInfo
- Publication number
- CN201883995U CN201883995U CN2010206237130U CN201020623713U CN201883995U CN 201883995 U CN201883995 U CN 201883995U CN 2010206237130 U CN2010206237130 U CN 2010206237130U CN 201020623713 U CN201020623713 U CN 201020623713U CN 201883995 U CN201883995 U CN 201883995U
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- rubber cylinder
- fluid
- guide hole
- positioning body
- packing element
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- Expired - Lifetime
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Abstract
A compressed type test seal tool for a directional well is applied to petroleum underground test and construction. An annular ejector sleeve is suspended on a step in a central hole of an upper joint, the upper end of a fluid passage is connected to the lower end of the annular ejector sleeve, a transverse formation pressure guide hole is arranged in the middle of the fluid passage, an upper rubber tube and an upper rubber tube gland are sleeved on the wall of the fluid passage and above the formation pressure guide hole, and a lower rubber tube and a lower rubber tube gland are sleeved on the wall of the fluid passage and below the formation pressure guide hole. A central hole at the upper end of a positioner is sleeved to the lower end of the fluid passage. Two symmetrical positioning jaws are fixed inside a transverse channel of the positioner via pins. A positioning jaw limiting-locking sleeve is arranged in a central hole on the lower portion of the positioner. An unlocking compression spring is arranged in the positioning jaw limiting-locking sleeve. A cam is fixed in an elongated window of the positioner 12 via a pin. A guide part is connected to the lower portion of the positioner. The compressed type test seal tool has the advantages that a test section can be packed, and layered pressure testing can be carried out for the directional wells and highly deviated water injection wells.
Description
Technical field
The utility model relates to technical field of measurement and test under the oil well, particularly water injection well zonal pressure test, flow rate test, packer test envelope, be a kind of directional well compression test sealing tool.Be applicable to that directional well and big gradient water injection well individual layer flow are directly surveyed, zonal pressure is tested, testing seal about packer test construction.
Background technology
In recent years, along with going deep into of oil field development, directional well and big gradient increase year by year, conventionally test cartridge external diameter is greater than the rigid body external diameter, the last packing element of instrument, seal and rigid body interference fit, during rountrip, packing element and sealing part abrasion are serious in directional well, can not effectively seal, can't satisfy the technical requirements of the directly survey of water injection well individual layer flow, stratified flow rate test, testing seal about packer test construction.
The utility model content
The purpose of this utility model is: a kind of directional well compression test sealing tool is provided, when satisfying, can carry out test constructions such as directional well and the flow measurement of big gradient water injection well individual layer, zonal pressure test, testing seal about packer to the requirement of water injection well stratified injection water technology.
The technical solution adopted in the utility model is: directional well compression test sealing tool, directional well compression test sealing tool, mainly by top connection, circular top cover, go up packing element, go up rubber cylinder pressing cap, cross fluid, lower rubber cylinder pressure cap, lower rubber cylinder, stop screw, positioning body, locating detent open spring, locating detent, the spacing lock tube of locating detent, release spring stop screw, release spring, cam return spring, cam and guide way and form.It is characterized in that: be hung with a circular top cover in the top connection centre bore on the step, circular top cover lower end outer wall has screw thread, crosses the fluid upper end by being threadedly connected to the lower end of circular top cover.Crossing fluid is that centre bore is arranged at cylinder bodily form top; In the middle part of crossing fluid, horizontal stratum pressure guide hole is arranged.
On the top of stratum pressure guide hole and crossing on the fluid walls and be with packing element and last rubber cylinder pressing cap; The upper surface of last packing element contacts with the top connection lower surface and is fixing, and the lower end of last packing element is fixed by last rubber cylinder pressing cap, and last rubber cylinder pressing cap screw thread was fixed on the outer wall of fluid; Packing element pressure guide hole on having on the mistake fluid walls, the position of last packing element pressure guide hole is relative with last packing element, the centre bore of last packing element pressure guide hole UNICOM's gluing tube inner chamber and mistake fluid.
In the bottom of stratum pressure guide hole and crossing on the fluid walls and be with lower rubber cylinder and lower rubber cylinder pressure cap, lower rubber cylinder pressure cap screw thread was fixed on the outer wall of fluid; The upper end of lower rubber cylinder is fixed on the bottom of lower rubber cylinder pressure cap; On the fluid walls lower rubber cylinder pressure guide hole is being arranged excessively, the position of lower rubber cylinder pressure guide hole is relative with lower rubber cylinder, the centre bore of lower rubber cylinder pressure guide hole UNICOM lower rubber cylinder inner chamber and mistake fluid.
There is centre bore cylindrical positioning body upper end, and positioning body upper end centre bore was enclosed within the lower end of fluid, and the slotted hole that stop screw passes positioning body upper end outer wall was fixed on the lower end of fluid.When pressing joint downwards, can compress packing element and packing element is outwards expanded; Press the circular top cover downwards and cross fluid, can compress lower rubber cylinder and lower rubber cylinder is outwards expanded.
At the positioning body middle part transverse groove is arranged, in transverse groove, be fixed with two locating detents of symmetry, have the located lateral pawl to open spring between two locating detents by bearing pin.In the positioning body bottom centre bore is arranged, there is a spacing lock tube of locating detent the upper end in the positioning body lower central hole; On the spacing sleeve wall of locating detent axial bar hole is arranged, release spring stop screw passes the axial bar hole of positioning body transverse holes and the spacing lock tube of locating detent; A release compression spring is arranged in the spacing lock tube of locating detent, and the upper end of release compression spring withstands on the bottom of release spring stop screw, and the lower end of release compression spring is pressed on the interior baseplane of the spacing lock tube of locating detent; Two marking shape windows of symmetry are arranged on the body wall of location, in the positioning body marking shape window, be fixed with a cam by bearing pin; By dowel fixes a cam return spring is arranged on cam, the cam return spring is a torsionspring; The upper end of cam is against the bottom of the spacing lock tube of locating detent; Be connected with guide way in the positioning body bottom.
Locating detent is by the spacing lock tube locking of locating detent, and the spacing lock tube of locating detent opens locating detent by being installed in the release spring release of inboard, its underpart, and the spring of release is simultaneously fixed by release spring stop screw.The release spring is started by cam, and cam resets by the effect of cam return spring.When testing seal section was gone into the well, guide way play the guiding role.
During testing seal section work is the wire Launching and Bailing operation, and flow meter is pressed on top connection top during flow rate test, and top connection top connects pressure gauge during pressure test.For increasing the sealing reliability of directional well compression test sealing tool, tester top generally connects weighted lever.
Directional well compression test sealing tool operating principle: when directional well compression test sealing tool carries out the seat envelope, directional well compression test sealing tool is thrown in guide way by steel wire and is drawn to target zone, carried injection well downhole flow regulator on throwing in behind the injection well downhole flow regulator of water filling target zone again, cam starts makes the spacing lock tube release of locating detent, and locating detent opens.Transfer directional well compression test sealing tool location, locating detent is positioned on the injection well downhole flow regulator.By gravity and the annular space of transferring packing element and lower rubber cylinder Expansion sealing injection well downhole flow regulator and seal section on the impact force action directional well compression test sealing tool, stratum and oil pipe are separated, side by side stressor layer enters packing element by last packing element pressure guide hole and lower rubber cylinder pressure guide hole hole, strengthens sealing performance.The individual layer fluid enters the stratum by flow meter through fluid during measurement of discharge, realizes that the individual layer of water filling laminar flow amount is directly surveyed; Strata pressure conducts to pressure gauge by crossing fluid during measuring pressure, realizes the pressure zonal testing.
Carry on the steel wire behind the EOT, be subjected to tension, last packing element and lower rubber cylinder reclaim automatically, and its external diameter is still less than the steel body diameter, have avoided the friction with oil pipe, reduce steel wire pulling force, reduce operating risk.
Main feature: packing element adopts compression to expand; the packing element external diameter is less than the rigid body external diameter simultaneously; in directional well and high angle hole, can effectively protect packing element rountrip the time; prevent the packing element wearing and tearing; realize effectively sealing; that satisfies the test of water injection well zonal pressure, flow rate test, packer tests function such as envelope, has the advantages that test is reliable, method is simple, simplifies working process.
The beneficial effects of the utility model: the utility model directional well compression test sealing tool, can carry out zonal pressure test, water injection well flow rate test, testing seal about packer to directional well and big gradient water injection well.Adopt weighted lever that last packing element and lower rubber cylinder are exerted pressure, can reach the test section packing; Carry directional well compression test sealing tool in the employing to the test layer deblocking.Realized that the flow individual layer is directly surveyed and the zonal pressure test in directional well and the inclined shaft.
Description of drawings
Fig. 1 is the utility model directional well compression test sealing tool structural profile schematic diagram.
Fig. 2 is the A-A sectional view of Fig. 1.
Among the figure, 1. top connection, 2. the circular top cover, 3. go up packing element, 4. go up the packing element pressure guide hole, 5. go up rubber cylinder pressing cap, 6. cross fluid, 7. the stratum pressure guide hole, 8. the lower rubber cylinder pressure cap, 9. lower rubber cylinder, 10. lower rubber cylinder pressure guide hole, 11. stop screws, 12. positioning bodies, 13. locating detents are opened spring, 14. locating detents, the spacing lock tube 16. release spring stop screws of 15. locating detents 17. releases compression spring, 18. cam return springs, 19. cams, 20. guide waies.
The specific embodiment
Embodiment 1: with a directional well compression test sealing tool is example, and the utility model is described in further detail.
Consult Fig. 1.The utility model directional well compression test sealing tool, mainly by top connection 1, circular top cover 2, go up packing element 3, go up rubber cylinder pressing cap 5, cross fluid 6, lower rubber cylinder pressure cap 8, lower rubber cylinder 9, stop screw 11, positioning body 12, locating detent open spring 13, locating detent 14, the spacing lock tube 15 of locating detent, release spring stop screw 16, release spring 17, cam return spring 18, cam 19 and guide way 20 and form.
Be hung with a circular top cover 2 in top connection 1 centre bore on the step, circular top is overlapped 2 lower end outer walls screw thread, crosses fluid 6 upper ends by being threadedly connected to the lower end of circular top cover 2.Cross fluid 6 and centre bore is arranged for cylinder bodily form top; Be evenly distributed with four horizontal stratum pressure guide holes 7 at mistake fluid 6 middle parts.
On the top of stratum pressure guide hole 7 and crossing be with on fluid 6 walls packing element 3 and an annular on the annular on rubber cylinder pressing cap 5; The upper surface of last packing element 3 contacts with top connection 1 lower surface and is fixing, and the lower end of last packing element 3 is fixed by last rubber cylinder pressing cap 5, and last rubber cylinder pressing cap 5 screw threads were fixed on the outer wall of fluid 6.Packing element pressure guide hole 4 on four is being arranged crossing on fluid 6 walls, the position of last packing element pressure guide hole 4 is relative with last packing element 3, packing element 4 inner chambers and the centre bore of fluid 6 excessively in last packing element pressure guide hole 4 UNICOMs.
In the bottom of stratum pressure guide hole 7 and crossing the lower rubber cylinder pressure cap 8 that is with an annular lower rubber cylinder 9 and an annular on fluid 6 walls, lower rubber cylinder pressure cap 8 screw threads were fixed on the outer wall of fluid 6.The upper end of lower rubber cylinder 9 is fixed on the bottom of lower rubber cylinder pressure cap 8.On fluid 6 walls four equally distributed lower rubber cylinder pressure guide holes 10 are being arranged excessively.The position of lower rubber cylinder pressure guide hole 10 is relative with lower rubber cylinder 9, lower rubber cylinder pressure guide hole 10 UNICOM's lower rubber cylinders 9 inner chambers and the centre bore of crossing fluid 6.
There is centre bore cylindrical positioning body 12 upper ends, and positioning body 12 upper end centre bores were enclosed within the lower end of fluid 6, and stop screw 11 passes the lower end that axial slotted hole was fixed on fluid 6 of prolonging of positioning body 12 upper end outer walls.
At positioning body 12 middle parts a transverse groove is arranged, in transverse groove by two bearing pins be fixed with the symmetry 14, two locating detents 14 of two locating detents between have a located lateral pawl to open spring 13.In positioning body 12 bottoms centre bore is arranged, there is a spacing lock tube 15 of locating detent the upper end in the positioning body 12 lower central holes; The axial bar hole of symmetry is arranged on spacing lock tube 15 walls of locating detent, and release spring stop screw 16 passes the axial bar hole of positioning body 12 transverse holes and the spacing lock tube 15 of locating detent.A release compression spring 17 is arranged in the spacing lock tube 15 of locating detent, and the upper end of release compression spring 17 withstands on the bottom of release spring stop screw 16, and the lower end of release compression spring 17 is pressed on the spacing lock tube of the locating detent 15 interior baseplanes.Two marking shape windows of symmetry are arranged on positioning body 12 walls, in positioning body 12 marking shape windows, be fixed with a cam 19 by bearing pin; By dowel fixes a cam return spring 18 is arranged on cam 19, cam return spring 18 is torsionsprings.The upper end of cam 19 is against the bottom of the spacing lock tube 15 of locating detent.Be connected with a conical guide way 20 in positioning body 12 lower thread.
Claims (1)
1. directional well compression test sealing tool, mainly by top connection (1), circular top cover (2), go up packing element (3), go up rubber cylinder pressing cap (5), cross fluid (6), lower rubber cylinder pressure cap (8), lower rubber cylinder (9), stop screw (11), positioning body (12), locating detent open spring (13), locating detent (14), the spacing lock tube of locating detent (15), release spring stop screw (16), release spring (17), cam return spring (18), cam (19) and guide way (20) and form; It is characterized in that: in top connection (1) centre bore, be hung with a circular top cover (2) on the step, circular top cover (2) lower end outer wall has screw thread, cross fluid (6) upper end by being threadedly connected to the lower end of circular top cover (2), crossing fluid (6) has centre bore for cylinder bodily form top; In the middle part of crossing fluid (6), horizontal stratum pressure guide hole (7) is arranged;
On the top of stratum pressure guide hole (7) and crossing on fluid (6) wall and be with packing element (3) and last rubber cylinder pressing cap (5); The upper surface of last packing element (3) contacts with top connection (1) lower surface and is fixing, and the lower end of last packing element (3) is fixing by last rubber cylinder pressing cap (5), and last rubber cylinder pressing cap (5) screw thread was fixed on the outer wall of fluid (6); On fluid (6) wall last packing element pressure guide hole (4) is being arranged excessively, the position of last packing element pressure guide hole (4) is relative with last packing element (3), the centre bore of packing element (4) inner chamber and mistake fluid (6) in last packing element pressure guide hole (4) UNICOM;
In the bottom of stratum pressure guide hole (7) and crossing on fluid (6) wall and be with lower rubber cylinder (9) and lower rubber cylinder pressure cap (8), lower rubber cylinder pressure cap (8) screw thread was fixed on the outer wall of fluid (6); The upper end of lower rubber cylinder (9) is fixed on the bottom of lower rubber cylinder pressure cap (8); On fluid (6) wall lower rubber cylinder pressure guide hole (10) is being arranged excessively, the position of lower rubber cylinder pressure guide hole (10) is relative with lower rubber cylinder (9), the centre bore of lower rubber cylinder pressure guide hole (10) UNICOM's lower rubber cylinder (9) inner chamber and mistake fluid (6);
There is centre bore cylindrical positioning body (12) upper end, and positioning body (12) upper end centre bore was enclosed within the lower end of fluid (6), and the slotted hole that stop screw (11) passes positioning body (12) upper end outer wall was fixed on the lower end of fluid (6);
At positioning body (12) middle part transverse groove is arranged, in transverse groove, be fixed with two locating detents (14) of symmetry, have the located lateral pawl to open spring (13) between two locating detents (14) by bearing pin; In positioning body (12) bottom centre bore is arranged, there is a spacing lock tube of locating detent (15) upper end in positioning body (12) the lower central hole; On the spacing lock tube of locating detent (15) wall axial bar hole is arranged, release spring stop screw (16) passes the axial bar hole of positioning body (12) transverse holes and the spacing lock tube of locating detent (15); A release compression spring (17) is arranged in the spacing lock tube of locating detent (15), the upper end of release compression spring (17) withstands on the bottom of release spring stop screw (16), and the lower end of release compression spring (17) is pressed on the interior baseplane of the spacing lock tube of locating detent (15); Two marking shape windows of symmetry are arranged on positioning body (12) wall, in positioning body (12) marking shape window, be fixed with a cam (19) by bearing pin; Upward by dowel fixes a cam return spring (18) is arranged at cam (19), cam return spring (18) is a torsionspring; The upper end of cam (19) is against the bottom of the spacing lock tube of locating detent (15); Be connected with guide way (20) in positioning body (12) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206237130U CN201883995U (en) | 2010-11-23 | 2010-11-23 | Compressed type test seal tool for directional well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206237130U CN201883995U (en) | 2010-11-23 | 2010-11-23 | Compressed type test seal tool for directional well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201883995U true CN201883995U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206237130U Expired - Lifetime CN201883995U (en) | 2010-11-23 | 2010-11-23 | Compressed type test seal tool for directional well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201883995U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852477A (en) * | 2012-09-28 | 2013-01-02 | 牡丹江市新翔石油机械有限责任公司 | Electric salvage device |
| CN105089641A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Working condition monitored underground wireless data transmission instrument and transmission method |
| CN105649611A (en) * | 2016-02-26 | 2016-06-08 | 中国石油天然气股份有限公司 | Concentric electric layered pressure drop test instrument and test method thereof |
| CN105888650A (en) * | 2016-04-15 | 2016-08-24 | 中国石油天然气股份有限公司 | Gas well storage type integrated layered production allocation pressure gauge |
| CN107355195A (en) * | 2017-04-28 | 2017-11-17 | 北京捷威思特科技有限公司 | Formation testing samples twin packer |
| CN108252705A (en) * | 2018-01-17 | 2018-07-06 | 西南石油大学 | Oil well segment flow detection tool |
| CN109899014A (en) * | 2019-01-31 | 2019-06-18 | 张化庆 | Pulling device, control method and control device in a kind of water injection well |
| CN112081581A (en) * | 2020-08-25 | 2020-12-15 | 西安洛科电子科技股份有限公司 | Electric layered pressure measuring tool for concentric water distributor |
-
2010
- 2010-11-23 CN CN2010206237130U patent/CN201883995U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852477A (en) * | 2012-09-28 | 2013-01-02 | 牡丹江市新翔石油机械有限责任公司 | Electric salvage device |
| CN105089641A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Working condition monitored underground wireless data transmission instrument and transmission method |
| CN105649611A (en) * | 2016-02-26 | 2016-06-08 | 中国石油天然气股份有限公司 | Concentric electric layered pressure drop test instrument and test method thereof |
| CN105888650A (en) * | 2016-04-15 | 2016-08-24 | 中国石油天然气股份有限公司 | Gas well storage type integrated layered production allocation pressure gauge |
| CN105888650B (en) * | 2016-04-15 | 2019-10-29 | 中国石油天然气股份有限公司 | A kind of gas well memory-type integration regulating multi-zone production rate measuring cell |
| CN107355195A (en) * | 2017-04-28 | 2017-11-17 | 北京捷威思特科技有限公司 | Formation testing samples twin packer |
| CN108252705A (en) * | 2018-01-17 | 2018-07-06 | 西南石油大学 | Oil well segment flow detection tool |
| CN108252705B (en) * | 2018-01-17 | 2021-05-14 | 西南石油大学 | Oil well small segment flow detection tool |
| CN109899014A (en) * | 2019-01-31 | 2019-06-18 | 张化庆 | Pulling device, control method and control device in a kind of water injection well |
| CN109899014B (en) * | 2019-01-31 | 2021-05-11 | 张化庆 | Dropping and fishing device in water injection well, control method and control device |
| CN112081581A (en) * | 2020-08-25 | 2020-12-15 | 西安洛科电子科技股份有限公司 | Electric layered pressure measuring tool for concentric water distributor |
| CN112081581B (en) * | 2020-08-25 | 2023-06-09 | 西安洛科电子科技股份有限公司 | Electric layering pressure measuring tool for concentric water distributor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |
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| CX01 | Expiry of patent term |