CN205117260U - Prevent hydraulic pressure setting tool of premature setting - Google Patents
Prevent hydraulic pressure setting tool of premature setting Download PDFInfo
- Publication number
- CN205117260U CN205117260U CN201520859010.0U CN201520859010U CN205117260U CN 205117260 U CN205117260 U CN 205117260U CN 201520859010 U CN201520859010 U CN 201520859010U CN 205117260 U CN205117260 U CN 205117260U
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- sleeve
- shear
- piston
- central tube
- top connection
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Abstract
The utility model relates to a hydraulic pressure setting tool in the bore hole gravel pack well completion sand control discloses a prevent hydraulic pressure setting tool of premature setting, mainly includes rose joint, top connection, pressure shielding body, center tube, piston and cylinder liner, rose joint is connected on top connection upper portion, rose joint internally mounted pressure shielding body, and top connection lower part connection center pipe, installation piston in center tube outside is at piston and top connection externally mounted cylinder liner. The pressure shielding body mainly includes elasticity ball seat, ball seat hoop cover, shear sleeve, spring, jump ring and separation sleeve, elasticity ball seat and shear sleeve threaded connection, ball seat overcoat have installs the inside ball seat hoop cover in rose joint, and shear sleeve externally mounted spring and jump ring, separation sleeve are used for protecting the spring. The utility model discloses the risk of setting tool premature setting has been reduced, suppressing to press through seat sealing ball and opening center tube biography pressure hole, field operation is convenient, guaranteed that the shearing force is reliable and stable, the piston thrust transmission was stable when the seat sealed.
Description
Technical field
The utility model belongs to oil field development production field, specifically, relates to a kind of for the hydraulic setting tool in open-hole gravel pack completion and sand control.
Background technology
Sand production is one of major issue of facing of loose sand oil accumulation, various effective anti-sand process technology measure must be taked to solve run into problem, to guarantee oil field stable high yield and higher recovery ratio.
Packer is used for down-hole casing well or open hole well, plays a part to hang tubing string and sealing when sand control treatment, upper and lower oil reservoir is separated the object reaching construction in layer simultaneously.Packer, by special setting tool transmitting thrust, promotes to set sleeve and moves down, and by axial force compression packing part, make packing element distending external diameter become large, slips opens along sleeve pipe radial direction, finally make rubber cling on sleeve pipe, and slip insert is stung into sleeve pipe.Packing element serves Seal Oil, collar-shaped space, the effect of the upper and lower oil of isolation packer (gas, water) layer, thus the oil production by layer of realization oil, well, seperated layer water injection, separate zone stimulation and shutoff water layer; Slips serves the effect of hanging and fixing whole tubing string.
Set packer is one of key ensureing that sand control treatment carries out smoothly, and it generally uses supporting setting tool to set.At present, the existing form that sets comprises that machinery sets, cable sets and hydraulic setting.Machinery sets poor for applicability, and packer especially cannot be made in high angle hole and horizontal well to sit extremely completely; Cable setting tool need enter by under cable, therefore operating difficulties and construction cost is high; Easily there is the phenomenon that is hampered when hole condition is complicated in hydraulic setting tool, has the risk of premature setting when not having pressure to ensure.
Utility model content
What the utility model solved is performance and the integrity problem of current institute use setting tool, provides a kind of hydraulic setting tool for open-hole gravel pack completion and sand control, simple and compact for structure, and stable operation is reliable, effectively can prevent premature setting.
In order to solve the problems of the technologies described above, the utility model is achieved by following technical scheme:
Prevent a hydraulic setting tool for premature setting, mainly comprise ball joint (1), top connection (3), pressure shielding body, central tube (24), piston (15) and cylinder sleeve (4); Described ball joint (1) bottom is connected with described top connection (3) top, and described pressure shielding body is installed on described ball joint (1) and described top connection (3) is inner; Described top connection (3) bottom is connected with described central tube (24) top, it is outside that described piston (15) is installed on described central tube (24), and described cylinder sleeve (4) is installed on described top connection (3) and described piston (15) is outside;
Described central tube (24) is provided with pressure transmission hole (2402), and described pressure transmission hole (2402) is right against the annular space between described top connection (3) and described piston (15); Described central tube (24) is provided with spacing inclined-plane (2401), for spacing to descending shear sleeve (21) at the interior surface of revolution of described pressure transmission hole (2402) top; Described central tube (24) is provided with limited step (2403) at the outer surface of revolution of described pressure transmission hole (2402) below, for spacing to its outside described piston (15) installed; Be provided with the first shear pin (12) between described central tube (24) and described piston (15), the first shear pin (12) is sheared rear described piston (15) and is moved down;
Described pressure shielding body mainly comprises elastic base (18), ball seat cuff (16), shear sleeve (21), spring (20), jump ring (22) and separation sleeve (7); Described elastic base (18) bottom is threaded with described shear sleeve (21) top; It is outside that described ball seat cuff (16) is arranged at described elastic base (18), and be provided with the second shear pin (19) between described ball seat cuff (16) and described elastic base (18) top, rear described elastic base (18) sheared by the second shear pin (19) and described shear sleeve (21) moves down; Described ball seat cuff (16) is fixedly installed in the stepped hole of described ball joint (1); It is outside that described spring (20) is installed on described shear sleeve (21), and protected by described separation sleeve (7); Described jump ring (22) is installed on described shear sleeve (21) bottom, for described shear sleeve (21) is descending put in place after eject thus described shear sleeve (21) is locked; Described shear sleeve (21) bottom is provided with balance pipe, its described shear sleeve (21) is descending put in place after be right against the pressure transmission hole (2402) of described central tube (24).
Position on the outer surface of revolution of described shear sleeve (21) below balance pipe is provided with two O circles, these two O circles lay respectively at pressure transmission hole (2402) both sides up and down of described central tube (24) when the initial position of described shear sleeve (21), for shielding described pressure transmission hole (2402).
The beneficial effects of the utility model are:
The utility model compact conformation is short and small, and stable operation is reliable, assembling and easy to maintenance; Add pressure shielding body, reduce the risk of setting tool premature setting; Have employed the second shear pin and elastic base, built the pressure open central tube pressure transmission hole by setting ball, execute-in-place is convenient; Piston adopts the first shear pin to ensure that shearing force is reliable and stable; Optimize the contact of piston inner wall and central tube, when setting, piston thrust transmission is stablized.
Accompanying drawing explanation
Fig. 1 is the structural representation of hydraulic setting tool provided by the utility model;
Fig. 2 is the structural representation of central tube in Fig. 1;
Fig. 3 is the structural representation of pressure shielding body in Fig. 1.
In figure: 1. ball joint, 2. the first fixing pin, 3. top connection, 4. cylinder sleeve, 5. an O circle, 6. the second fixing pin, 7. separation sleeve, 8. the 2nd O circle, 9. the 3rd fixing pin, 10. the 3rd O circle, 11. the 4th fixing pins, 12. first shear pins, 13. the 4th O circles, 14. the 5th O circles, 15. pistons, 16. ball seat cuffs, 17. the 6th O circles, 18. elastic bases, 19. second shear pins, 20. springs, 21. shear sleeves, 22. jump rings, 23. the 7th O circles, 24. central tubes, 2401. spacing inclined-plane, 2402. pressure transmission hole, 2403. limited step.
Detailed description of the invention
For content of the present utility model, feature and effect can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
As shown in Figure 1, present embodiment discloses a kind of hydraulic setting tool preventing premature setting, comprise ball joint 1, first fixing pin 2, top connection 3, cylinder sleeve 4, an O encloses the 5, second fixing pin 6, separation sleeve 7, the 2nd O encloses the 8, the 3rd fixing pin 9, the 3rd O encloses the 10, the 4th fixing pin 11, first shear pin 12, the 4th O encloses the 13, the 5th O circle 14, piston 15, ball seat cuff 16, the 6th O circle 17, elastic base 18, second shear pin 19, spring 20, shear sleeve 21, jump ring 22, the 7th O circle 23, central tube 24.
The outside of ball joint 1 bottom and the inner side on top connection 3 top are threaded connection, simultaneously be connected one end of section by the first fixing pin 2 fixed ball seat joint 1 and top connection 3 to prevent from loosening at both, both install an O and enclose 5 the be connected other end of section on ball joint 1, for the contact surface of sealed ball seat joint 1 and top connection 3.
The inner side of top connection 3 bottom is connected with the outside screw on central tube 24 top, utilizes the 4th fixing pin 11 to prevent thread looseness, realizes the sealing between the inner side of top connection 3 bottom and central tube 24 by installation the 2nd O circle 8 simultaneously.
Piston 15 is installed outside central tube 24, and utilizes the 5th O to enclose the contact surface of 14 packed-pistons 15 and central tube 24.
Outside the outside of top connection 3 bottom and piston 15, cylinder sleeve 4 is installed.The inner side on cylinder sleeve 4 top is connected with the outside screw of top connection 3 bottom, and utilizes the 3rd fixing pin 9 to fix, and utilizes the 3rd O circle 10 be arranged in top connection 3 to seal the contact surface of top connection 3 and cylinder sleeve 4 simultaneously.The inside thread of cylinder sleeve 4 bottom is connected with piston 15 outside screw, and utilizes the 4th O to enclose the contact surface of 13 packed-pistons 15 and cylinder sleeve 4.
As shown in Figure 2, central tube 24 is provided with two pressure transmission holes 2402, pressure transmission hole 2402 is right against the annular space between top connection 3 and piston 15.Central tube 24 above pressure transmission hole 2402 in the surface of revolution be provided with spacing inclined-plane 2401, for spacing to descending shear sleeve 21; The outer surface of revolution of central tube 24 below pressure transmission hole 2402 is provided with limited step 2403, for spacing to its outside piston 15 installed.Being provided with between central tube 24 and piston 15 after the first uniform shear pin 12, first shear pin 12 of 8 hoops is sheared to make piston 15 move down.
Consult Fig. 1 and Fig. 2, the inside of ball joint 1 and top connection 3 is provided with pressure shielding body, and pressure shielding body comprises ball seat cuff 16, ball seat 18, second shear pin 19, second fixing pin 6, separation sleeve 7, spring 20, shear sleeve 21, jump ring 22.
Ball seat cuff 16 is the cylindrical structure of hollow, is installed in the stepped hole of ball joint 1, and utilizes the 6th O to enclose the contact surface of 17 sealed ball seat cuffs 16 and ball joint 1.Ball seat cuff 16 inside is provided with expanding.
Elastic base 18 is circumferentially equidistantly cut by process for machining by spring steel and realizes elastic shrinkage.It is inner that elastic base 18 is arranged at ball seat cuff 16, is provided with the second shear pin 19 that three hoops are uniform between elastic base 18 top and ball seat cuff 16 top.After second shear pin 19 is sheared, elastic base 18 will move down, simultaneously because elastic base 18 has elasticity, its and ball seat cuff 16 depart from be connected expansible afterwards and be seated ball seat cuff 16 expanding in.
The outside of elastic base 18 bottom is connected with the inside thread on shear sleeve 21 top.Arranged outside in the middle part of shear sleeve 21 has boss, mounting spring 20 between the bottom end face of ball seat cuff 16 and boss, and spring 20 can provide restoring force, with snubber elastomeric ball seat 18 by impact force when shearing.Spring 20 outside is installed separation sleeve 7 and is protected it, and the inner side on separation sleeve 7 top is connected with the outside screw of ball seat cuff 16 bottom, uses the second fixing pin 6 to fix both connections simultaneously.
The arranged outside of shear sleeve 21 bottom has jump-ring slot, is provided with jump ring 22 and is pushed down from outside by separation sleeve 7 in jump-ring slot, jump ring 22 shear sleeve 21 is descending put in place after eject and prop up the bottom of separation sleeve 7, thus by locked for shear sleeve 21.The outside of shear sleeve 21 bottom is provided with spacing inclined-plane being close to the position below jump ring 22, and this spacing inclined-plane is identical with the angle of inclination, spacing inclined-plane 2401 of central tube 24, thus can dock firmly with central tube 24 after making that shear sleeve 21 is descending and putting in place.Shear sleeve 21 bottom offers 2 balance pipes, shear sleeve 21 is descending put in place after this balance pipe be right against the pressure transmission hole 2402 of central tube 24, thus can transmission of pressure.Position on the outer surface of revolution of shear sleeve 21 below balance pipe is provided with two the 7th O circles 23, two the 7th O circles 23 lay respectively at pressure transmission hole about 2402 both sides of central tube 24 when the initial position of shear sleeve 21, to reach the object of the pressure transmission hole 2402 of closed shield central tube 24, therefore effectively can prevent pressure from transmitting into packer, avoid base sealed packer in advance.
The course of work that the utility model participates in is as follows:
When needs set packer, drop into setting ball to elastic base 18 upper end, along with the increase of overpressure, second shear pin 19 is cut off, elastic base 18 is opened, and makes elastic base 18 drive shear sleeve 21 to move down, open pressure transmission hole on central tube 24 and pressure is passed to piston 15 under the effect of overpressure and spring 20 restoring force, when pressure reaches design load, the first shear pin 12 is sheared, and piston 15 promotes the force transmission mechanism set packer of packer downwards.
Although be described preferred embodiment of the present utility model by reference to the accompanying drawings above; but the utility model is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that invention aim and claim protect, can also make the concrete conversion of a lot of form, these all belong within protection domain of the present utility model.
Claims (2)
1. one kind prevents the hydraulic setting tool of premature setting, it is characterized in that, mainly comprise ball joint (1), top connection (3), pressure shielding body, central tube (24), piston (15) and cylinder sleeve (4); Described ball joint (1) bottom is connected with described top connection (3) top, and described pressure shielding body is installed on described ball joint (1) and described top connection (3) is inner; Described top connection (3) bottom is connected with described central tube (24) top, it is outside that described piston (15) is installed on described central tube (24), and described cylinder sleeve (4) is installed on described top connection (3) and described piston (15) is outside;
Described central tube (24) is provided with pressure transmission hole (2402), and described pressure transmission hole (2402) is right against the annular space between described top connection (3) and described piston (15); Described central tube (24) is provided with spacing inclined-plane (2401), for spacing to descending shear sleeve (21) at the interior surface of revolution of described pressure transmission hole (2402) top; Described central tube (24) is provided with limited step (2403) at the outer surface of revolution of described pressure transmission hole (2402) below, for spacing to its outside described piston (15) installed; Be provided with the first shear pin (12) between described central tube (24) and described piston (15), the first shear pin (12) is sheared rear described piston (15) and is moved down;
Described pressure shielding body mainly comprises elastic base (18), ball seat cuff (16), shear sleeve (21), spring (20), jump ring (22) and separation sleeve (7); Described elastic base (18) bottom is threaded with described shear sleeve (21) top; It is outside that described ball seat cuff (16) is arranged at described elastic base (18), and be provided with the second shear pin (19) between described ball seat cuff (16) and described elastic base (18) top, rear described elastic base (18) sheared by the second shear pin (19) and described shear sleeve (21) moves down; Described ball seat cuff (16) is fixedly installed in the stepped hole of described ball joint (1); It is outside that described spring (20) is installed on described shear sleeve (21), and protected by described separation sleeve (7); Described jump ring (22) is installed on described shear sleeve (21) bottom, for described shear sleeve (21) is descending put in place after eject thus described shear sleeve (21) is locked; Described shear sleeve (21) bottom is provided with balance pipe, its described shear sleeve (21) is descending put in place after be right against the pressure transmission hole (2402) of described central tube (24).
2. a kind of hydraulic setting tool preventing premature setting according to claim 1, it is characterized in that, position on the outer surface of revolution of described shear sleeve (21) below balance pipe is provided with two O circles, these two O circles lay respectively at pressure transmission hole (2402) both sides up and down of described central tube (24) when the initial position of described shear sleeve (21), for shielding described pressure transmission hole (2402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859010.0U CN205117260U (en) | 2015-10-30 | 2015-10-30 | Prevent hydraulic pressure setting tool of premature setting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859010.0U CN205117260U (en) | 2015-10-30 | 2015-10-30 | Prevent hydraulic pressure setting tool of premature setting |
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| Publication Number | Publication Date |
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| CN205117260U true CN205117260U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520859010.0U Active CN205117260U (en) | 2015-10-30 | 2015-10-30 | Prevent hydraulic pressure setting tool of premature setting |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025872A (en) * | 2018-09-20 | 2018-12-18 | 明士皓 | A kind of safe tripping in of oil production by layer packer and anti-pollution Refloatation method |
| CN109267954A (en) * | 2018-09-20 | 2019-01-25 | 明士皓 | The safe tripping in of oil production by layer packer and anti-pollution salvaging dual-purpose apparatus |
| CN109653695A (en) * | 2019-02-19 | 2019-04-19 | 中科金佳（北京）油田技术开发有限公司 | Bearing assembly and tubing string for tubing string |
| CN111852368A (en) * | 2019-04-30 | 2020-10-30 | 中国石油化工股份有限公司 | Setting device and pipe string comprising same |
| CN113846994A (en) * | 2021-09-09 | 2021-12-28 | 西南石油大学 | Ball throwing type infinite-stage full-bore fracturing sliding sleeve |
| CN114320227A (en) * | 2021-11-15 | 2022-04-12 | 中海油能源发展股份有限公司 | Full latus rectum pressure transmission ball seat after can cuting |
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2015
- 2015-10-30 CN CN201520859010.0U patent/CN205117260U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025872A (en) * | 2018-09-20 | 2018-12-18 | 明士皓 | A kind of safe tripping in of oil production by layer packer and anti-pollution Refloatation method |
| CN109267954A (en) * | 2018-09-20 | 2019-01-25 | 明士皓 | The safe tripping in of oil production by layer packer and anti-pollution salvaging dual-purpose apparatus |
| CN109025872B (en) * | 2018-09-20 | 2020-11-03 | 徐州天骋智能科技有限公司 | Packer safe running and anti-pollution salvaging method for layered oil extraction |
| CN109267954B (en) * | 2018-09-20 | 2020-11-06 | 徐州企润食品有限公司 | Packer safety running and anti-pollution salvaging dual-purpose device for layered oil extraction |
| CN109653695A (en) * | 2019-02-19 | 2019-04-19 | 中科金佳（北京）油田技术开发有限公司 | Bearing assembly and tubing string for tubing string |
| CN109653695B (en) * | 2019-02-19 | 2024-03-08 | 中科金佳（北京）油田技术开发有限公司 | Bearing assembly for tubular column and tubular column |
| CN111852368A (en) * | 2019-04-30 | 2020-10-30 | 中国石油化工股份有限公司 | Setting device and pipe string comprising same |
| CN113846994A (en) * | 2021-09-09 | 2021-12-28 | 西南石油大学 | Ball throwing type infinite-stage full-bore fracturing sliding sleeve |
| CN114320227A (en) * | 2021-11-15 | 2022-04-12 | 中海油能源发展股份有限公司 | Full latus rectum pressure transmission ball seat after can cuting |
| CN114320227B (en) * | 2021-11-15 | 2023-07-28 | 中海油能源发展股份有限公司 | Full latus rectum pressure ball seat that passes after can shearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170112 Address after: 100027 Beijing city Dongcheng District Dongzhimen Street No. 6 Patentee after: CNOOC Energy Technology Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Energy Technology Co., Ltd. |