CN103075123B - A kind of electric liquid drives setting tool - Google Patents
A kind of electric liquid drives setting tool Download PDFInfo
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- CN103075123B CN103075123B CN201310024878.4A CN201310024878A CN103075123B CN 103075123 B CN103075123 B CN 103075123B CN 201310024878 A CN201310024878 A CN 201310024878A CN 103075123 B CN103075123 B CN 103075123B
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Abstract
The present invention discloses a kind of electric liquid and drives setting tool, and comprise top sub, dummy piston, cylinder barrel, pumping station system, start cylinder, inner sleeve and overcoat, described top sub is positioned at the devices such as cylinder barrel top connecting well power source; Dummy piston sliding sleeve is in cylinder barrel, and form closed cavity as system fuel tank with the start cylinder bottom cylinder barrel and cylinder barrel, pumping station system is positioned at cavity, for start cylinder exports hydraulic oil; Inner sleeve top by screw thread and start cylinder do be connected bottom moveable cylinder, inner sleeve bottom is connected with the axle of packer, overcoat sliding sleeve puts in interior, be connected by the piston rod of linkage with start cylinder, overcoat is connected with the inflatable compression section of outside packer again, and piston rod carries out setting action because hydraulic action promotes overcoat.Electric liquid of the present invention drives setting tool larger axis can be provided to thrust to inflatable packer, and recyclable recycling, end thrust can also be changed according to different well ' s conditions, be applicable to any one packer.
Description
Technical field
The present invention relates to a kind of down-hole setting tool, particularly relate to a kind of electric liquid and drive setting tool.
Background technology
At present, in oil gas field Completion Operations, especially in horizontal well, extended reach well Completion Operations, need with top packer, a part of flow string to be suspended in sleeve pipe, under the tubing string that enters completing after the setting of packer, need to put aside from packer, propose running string from well head.But for various dissimilar packer, general way adopts different releasing gadgets, and releasing gadget is often designed to one with packer, once after fulfiling assignment, releasing gadget is generally passed into disuse, and wastes resource greatly; Owing to needing that carrying is highlyer drawn, compressive load and to have the packer of multiple mode of giving up not only expensive.Mechanism is complicated.Processing and assembly and adjustment work all complicated, simultaneously versatility extreme difference, go into the well work time easily lost efficacy, limit its use.Therefore the back-off packer in practical application, for packer give up end thrust is provided mostly be explosive mode, the gases at high pressure utilizing explosive charge to produce promote packer and cut off, thus realize giving up.But under the environment of down-hole HTHP, use signal of telecommunication ignition charge, abnormally dangerous, one just likely makes oil well scrap accidentally.And the packer setting tool of this mode is easily damaged because of explosive charge, making its recycling rate of waterused low, is exactly disposable substantially; Moreover what explosive charge produced is absolute pressure, need along with the difference of packer setting depth to fill different explosive consumptions to provide different pressure.
Summary of the invention
The technical assignment of technical problem to be solved by this invention and proposition improves prior art, a kind of electric liquid is provided to drive setting tool, solve setting tool single use in current technology and cause the problem of significant wastage, and larger end thrust can be provided.
For solving above technical problem, technical scheme of the present invention is:
A kind of electric liquid drives setting tool, and comprise top sub, dummy piston, cylinder barrel, pumping station system, start cylinder, inner sleeve and overcoat, described top sub is positioned at cylinder barrel top connecting well power source and processing of circuit device; Dummy piston sliding sleeve is in cylinder barrel, and form a closed cavity as system fuel tank with cylinder barrel and the start cylinder be positioned at bottom cylinder barrel, pumping station system is positioned at cavity, for start cylinder exports hydraulic oil; Inner sleeve top is connected bottom moveable cylinder with doing in start cylinder by screw thread, and inner sleeve bottom is connected with the axle of outside packer; Overcoat sliding sleeve puts in interior, is connected by the piston rod of linkage with start cylinder, and jacket bottom is connected with the inflatable compression section of outside packer, and what due to hydraulic oil effect, piston rod produced that axially-movable promotes that overcoat carries out packer sets action.
Further, described top sub also comprises electric connector seat, electric connector and conduit, top connector external surface has screw thread for connecting outer well power source, there is axially extending bore at connector center, top, electric connector seat and electric connector are positioned at through hole top, and conduit is fixed on through hole bottom by screw thread to be passed through for cable.
Further, described dummy piston center is porose, through conduit, conduit bottom limited location nut, limiting balance piston range, top connector hoop is distributed with the little balance pipe of outer imperial palace, the extraneous sleeve pipe surrounding medium of UNICOM and dummy piston mineralization pressure balance channel.
Further, described pumping station system comprises motor, plunger displacement pump and oil path block assembly, motor is fixed by screws on the mount pad of cylinder barrel inside, and motor and plunger displacement pump carry out transmission by shaft coupling, and plunger displacement pump is put into plunger displacement pump holder housing and is screwed with mount pad.
Further, described plunger displacement pump side has plunger displacement pump oil-in, communicated with system fuel tank by hole corresponding on plunger displacement pump holder housing, plunger displacement pump high-pressure oil outlet is arranged at bottom, be connected with the overflow valve in oil path block assembly by oil passage, overflow valve is communicated with system fuel tank, regulates fluid output pressure.
Further, described oil path block assembly also comprises two-position four-way solenoid valve and reversible lock, two-position four-way solenoid valve is connected with overflow valve by oil passage, hydraulic oil, by having high pressure oil discharge passage one and high pressure oil discharge passage two after two-position four-way solenoid valve, enters oil passage one and oil passage two respectively through reversible lock.
Further, described start cylinder comprises and connects plug screw, makes moveable cylinder, mozzle and piston rod, cylinder barrel is connected with as moveable cylinder by connecting plug screw, connects in plug screw and is provided with the oil passage three and oil passage four that are communicated with respectively with oil passage one and oil passage two.
Further, described mozzle top be connected plug screw and be fixedly connected with and be communicated with oil passage four, piston rod is T-shaped, sliding sleeve is on mozzle, piston rod top contacts slidably with start inner wall of cylinder face, is divided into upper chamber and lower chambers by as moveable cylinder, upper chamber and oil passage tee joint, piston rod is provided with oil passage five at lower chambers place, and lower chambers is communicated with mozzle by oil passage five.
Further, the installing hole that all distributes bottom described inner sleeve wall is connected with outside packer mandrel by pin, and wall is also provided with strip sliding tray.
Further, described overcoat wall has the groove matched with sliding tray, in groove, contiguous block is housed, and contiguous block is installed on thrust block pad by screw, and thrust block pad is fixed on the bottom of piston rod.
Compared with prior art, the invention has the advantages that:
Electric liquid of the present invention drives setting tool can produce higher end thrust, and recyclable recycling, can according to different hole condition requirements, the end thrust of output is changed by the oil pressure relief adjusting overflow valve, be applicable to any one packer, it is simple and reliable for structure, and overall structure is relatively independent, for the packer of different series, only the top sub of interface section and a small amount of parts such as inner sleeve, overcoat need be carried out coupling corresponding to packer and change.Setting tool of the present invention, except start cylinder is carrying out needing to bear except high pressure when giving up action, is in internal and external pressure balance state at non-operating state of giving up due to the effect of dummy piston, and non-start cylinder component need not bear too high pressure reduction all the time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is top of the present invention cylinder barrel part detailed structure schematic diagram;
Fig. 3 is bottom start cylinder part detailed structure schematic diagram of the present invention;
Fig. 4 is underground work situation schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Disclosed in the embodiment of the present invention, a kind of electric liquid drives setting tool, reuses, and be applicable to for the purpose of various packer to reach recyclable.
See Fig. 1 and Fig. 2, a kind of electric liquid drives setting tool, and comprise top sub 1, dummy piston 5, cylinder barrel 7, pumping station system, start cylinder, inner sleeve 22 and overcoat 23, described top sub 1 is positioned at cylinder barrel 7 top connecting well power source and processing of circuit device; Dummy piston 5 sliding sleeve is in cylinder barrel, and form a closed cavity as system fuel tank 27 with cylinder barrel 7 and the start cylinder be positioned at bottom cylinder barrel 7, pumping station system is positioned at cavity, for start cylinder exports hydraulic oil; Inner sleeve 22 is connected bottom moveable cylinder 19 with doing in start cylinder by its top screw thread, and inner sleeve 22 bottom is connected with the axle of outside packer; Overcoat 23 sliding sleeve is in inner sleeve 22, be connected with the piston rod 21 of start cylinder by linkage, be connected with the inflatable compression section of outside packer bottom overcoat 23, piston rod 21 because hydraulic oil effect produces axial powered overcoat 23 carry out packer set action.
Top connector 1 also comprises electric connector seat 2, electric connector 3 and conduit 4, top connector 1 external surface has screw thread for connecting outer well power source, there is axially extending bore at connector center, top, electric connector seat 2 and electric connector 3 are positioned at through hole top, by aboveground power supply or signal transmission to motor and electromagnetic valve, conduit 4 is fixed on through hole bottom by screw thread to be passed through for cable.
Dummy piston 5 center is porose, through conduit 4, and conduit 4 bottom limited location nut 6, limiting balance piston range.Top connector hoop is distributed with balance pipe 26, the extraneous sleeve pipe surrounding medium of UNICOM and dummy piston 5 mineralization pressure balance channel, external environment medium and internal system fluid are kept apart by dummy piston 5, and conduct into internal system by ambient pressure, make system internal and external pressure balance; The outer imperial palace of balance pipe 26 is little, can prevent the large grains of sand from entering dummy piston inside; Macropore is threaded, and can be used as spanner empty.
Pumping station system comprises motor 8, plunger displacement pump 11 and oil path block assembly 14, motor 8 is fixed by screws on the mount pad 9 of cylinder barrel 7 inside, motor 8 and plunger displacement pump 11 carry out transmission by shaft coupling 10, and plunger displacement pump 11 is put into plunger displacement pump holder housing 12 and is screwed with mount pad 9.
Plunger displacement pump 11 side has plunger displacement pump oil-in, communicated with system fuel tank 27 by hole corresponding on plunger displacement pump holder housing 12, plunger displacement pump high-pressure oil outlet is arranged at bottom, hydraulic oil enters oil passage by oil-out and oil-out plug 13, plunger displacement pump 11 is connected with the overflow valve 15 in oil path block assembly 14 by oil passage, overflow valve 15 has oil circuit to be communicated with system fuel tank 27, and the adjustable plunger displacement pump 11 of regulation relief valve 15 exports fluid output pressure.
Oil path block assembly 14 also comprises two-position four-way solenoid valve 16 and reversible lock 17, the hydraulic oil of the output of plunger displacement pump 11 is connected with the input high-voltage oil liquid mouth of two-position four-way solenoid valve 16 by oil passage after overflow valve 15, two-position four-way solenoid valve 16 also has low pressure oil discharge passage 28 to be communicated with system fuel tank 27, hydraulic oil has high pressure oil discharge passage 1 and high pressure oil discharge passage 2 30 after two-position four-way solenoid valve 16, when electromagnetic valve dead electricity, export high-voltage oil liquid to be exported by high pressure oil discharge passage 1, otherwise when electromagnetic valve obtains electric, export high-voltage oil liquid by high pressure oil discharge passage 2 30, control the direction of action of downstream start cylinder thus, high pressure oil discharge passage 1 and high pressure oil discharge passage 2 30 enter oil passage 1 and oil passage 2 31 respectively after reversible lock 17.
See Fig. 3, start cylinder comprises and connects plug screw 18, makes moveable cylinder 19, mozzle 20 and piston rod 21, cylinder barrel 7, by connecting plug screw 18 and making moveable cylinder 19 and be connected, is provided with oil passage 3 34 in connection plug screw and is communicated with oil passage 2 31 with oil passage 1 respectively with oil passage 4 33.Mozzle 20 top be connected plug screw 18 and be fixedly connected with and be communicated with oil passage 4 33, piston rod 21 is T-shaped, sliding sleeve is on mozzle 20, piston rod 21 top with make moveable cylinder 19 internal face and contact slidably, upper chamber 35 and lower chambers 37 is divided into by making moveable cylinder 19, upper chamber 35 is communicated with oil passage 3 34, and piston rod 21 is provided with oil passage 5 36 at lower chambers 37 place, and lower chambers 37 is communicated with mozzle 20 by oil passage 5 36.When the high-voltage oil liquid of pumping station system enters into upper chamber 35 from oil passage 1 by oil passage 3 34, piston rod 21 is chamber movement downwards, the fluid of lower chambers 37 enters in mozzle 20 by oil passage 5 36, and be input to oil passage 2 31 through oil passage 4 33, now piston rod stretches out, thrust output.Otherwise when high-voltage oil liquid is input to lower chambers 37 from oil passage 2 31 by oil passage 4 33, now piston rod is regained.
The installing hole 39 that all distributes bottom inner sleeve 22 wall is connected with outside packer mandrel by pin, and wall is also provided with strip sliding tray 38.
Overcoat 23 is connected with the inflatable compression section of packer, overcoat 23 wall has the some grooves matched with sliding tray 38, the contiguous block 24 adapted with groove size is housed in groove, and contiguous block 24 is installed on thrust block pad 25 by screw, and thrust block pad 25 is fixed on the bottom of piston rod 21.When piston rod 21 moves, slide in the sliding tray 38 of contiguous block 24 in inner sleeve 22, and promote that overcoat 23 carries out packer set action, reach the object exporting end thrust.
See Fig. 4, other downhole tools 40 are arranged on electric liquid and drive setting tool 41 top, packer 42 is connected to electric liquid and drives setting tool 41 bottom, when setting tool works, motor 8 energising starts to rotate, plunger displacement pump exports hydraulic oil, by the pressure of overflow valve 15 regulation output, then after two-position four-way solenoid valve 16 and reversible lock 17, start cylinder is supplied to, the piston rod 21 that hydraulic oil promotes in start cylinder stretches out or regains, when piston rod 21 stretches out, promote overcoat 23 and realize setting of packer 42 and cut off.
Below be only the preferred embodiment of the present invention, it should be pointed out that above-mentioned preferred embodiment should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an electric liquid drives setting tool, comprise top sub (1), dummy piston (5), cylinder barrel (7), pumping station system, start cylinder, inner sleeve (22) and overcoat (23), described top sub (1) is positioned at cylinder barrel (7) top connecting well power source and processing of circuit device; Dummy piston (5) sliding sleeve is in cylinder barrel, a closed cavity is formed as system fuel tank (27) with cylinder barrel (7) and the start cylinder be positioned at bottom cylinder barrel (7), pumping station system is positioned at cavity, for start cylinder exports hydraulic oil; Inner sleeve (22) top is connected bottom moveable cylinder with doing in start cylinder by screw thread, and inner sleeve (22) bottom is connected with the axle of outside packer; Overcoat (23) sliding sleeve is in inner sleeve (22), be connected with the piston rod (21) of start cylinder by linkage, overcoat (23) bottom is connected with the inflatable compression section of outside packer, and what piston rod (21) carried out packer due to hydraulic oil effect generation axially-movable promotion overcoat (23) sets action.
2. electric liquid according to claim 1 drives setting tool, it is characterized in that, described top sub (1) also comprises electric connector seat (2), electric connector (3) and conduit (4), top connector (1) external surface has screw thread for connecting outer well power source, there is axially extending bore at top connector (1) center, electric connector seat (2) and electric connector (3) are positioned at through hole top, and conduit (4) is fixed on through hole bottom by screw thread to be passed through for cable.
3. electric liquid according to claim 2 drives setting tool, it is characterized in that, described dummy piston (5) center is porose, through conduit (4), conduit (4) bottom limited location nut (6), limiting balance piston (5) range, top connector (1) hoop is distributed with the little balance pipe of outer imperial palace (26), the extraneous sleeve pipe surrounding medium of UNICOM and dummy piston (5) mineralization pressure balance channel.
4. electric liquid according to claim 1 drives setting tool, it is characterized in that, described pumping station system comprises motor (8), plunger displacement pump (11) and oil path block assembly (14), motor (8) is fixed by screws on the inner mount pad (9) of cylinder barrel (7), motor (8) and plunger displacement pump (11) carry out transmission by shaft coupling (10), and plunger displacement pump (11) is put into plunger displacement pump holder housing (12) and is screwed with mount pad (9).
5. electric liquid according to claim 4 drives setting tool, it is characterized in that, described plunger displacement pump (11) side has plunger displacement pump oil-in, communicated with system fuel tank (27) by the upper corresponding hole of plunger displacement pump holder housing (12), plunger displacement pump high-pressure oil outlet is arranged at bottom, be connected with the overflow valve (15) in oil path block assembly (14) by oil passage, overflow valve (15) is communicated with system fuel tank (27), regulates fluid output pressure.
6. electric liquid according to claim 4 drives setting tool, it is characterized in that, described oil path block assembly (14) also comprises two-position four-way solenoid valve (16) and reversible lock (17), two-position four-way solenoid valve (16) is connected with overflow valve (15) by oil passage, hydraulic oil has high pressure oil discharge passage one (29) and high pressure oil discharge passage two (30) by after two-position four-way solenoid valve (16), enters oil passage one (32) and oil passage two (31) respectively through reversible lock.
7. electric liquid according to claim 1 drives setting tool, it is characterized in that, described start cylinder comprises and connects plug screw (18), makes moveable cylinder (19), mozzle (20) and piston rod (21), cylinder barrel (7), by connecting plug screw (18) and making moveable cylinder (19) and be connected, is provided with the oil passage three (34) and oil passage four (33) that are communicated with respectively with oil passage one (32) and oil passage two (31) in connection plug screw (18).
8. electric liquid according to claim 7 drives setting tool, it is characterized in that, described mozzle (20) top be connected plug screw (18) and be fixedly connected with and be communicated with oil passage four (33), piston rod (21) is T-shaped, sliding sleeve is on mozzle (20), piston rod (21) top with make moveable cylinder (19) internal face and contact slidably, moveable cylinder (19) will be made and be divided into upper chamber (35) and lower chambers (37), upper chamber (35) is communicated with oil passage three (34), piston rod (21) is provided with oil passage five (36) at lower chambers (37) place, lower chambers (37) is communicated with mozzle (20) by oil passage five (36).
9. electric liquid according to claim 1 drives setting tool, it is characterized in that, the installing hole (39) that all distributes bottom described inner sleeve (22) wall is connected with outside packer mandrel by pin, and wall is also provided with strip sliding tray (38).
10. electric liquid according to claim 9 drives setting tool, it is characterized in that, described overcoat (23) wall has the groove matched with sliding tray (38), contiguous block (24) is housed in groove, contiguous block (24) is installed on thrust block pad (25) by screw, and thrust block pad (25) is fixed on the bottom of piston rod (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310024878.4A CN103075123B (en) | 2013-01-23 | 2013-01-23 | A kind of electric liquid drives setting tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310024878.4A CN103075123B (en) | 2013-01-23 | 2013-01-23 | A kind of electric liquid drives setting tool |
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| CN103075123A CN103075123A (en) | 2013-05-01 |
| CN103075123B true CN103075123B (en) | 2015-09-16 |
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| CN201310024878.4A Expired - Fee Related CN103075123B (en) | 2013-01-23 | 2013-01-23 | A kind of electric liquid drives setting tool |
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| CN111764853B (en) * | 2020-07-02 | 2022-04-19 | 西安石竹能源科技有限公司 | Electro-hydraulic setting device |
| CN112145109B (en) * | 2020-09-14 | 2025-01-10 | 南通大学 | A method for using a bridge plug valveless hydraulic setting tool |
| CN113914800A (en) * | 2021-10-13 | 2022-01-11 | 重庆航天工业有限公司 | Electro-hydraulic setting tool for oil and gas well |
| CN113931885A (en) * | 2021-10-13 | 2022-01-14 | 重庆航天工业有限公司 | Electro-hydraulic setting tool for oil-gas well and stroke detection method |
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| US8336615B2 (en) * | 2006-06-02 | 2012-12-25 | Bj Tool Services Ltd. | Low pressure-set packer |
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