CN104989316A - Integrated horizontal well water location and shutoff pipe column - Google Patents
Integrated horizontal well water location and shutoff pipe column Download PDFInfo
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- CN104989316A CN104989316A CN201510363236.6A CN201510363236A CN104989316A CN 104989316 A CN104989316 A CN 104989316A CN 201510363236 A CN201510363236 A CN 201510363236A CN 104989316 A CN104989316 A CN 104989316A
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- center tube
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- packer
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Abstract
Disclosed is an integrated horizontal well water location and shutoff pipe column. The problems that an existing water location and shutoff pipe column is complex to operate, data are obscure and fishing is difficult are mainly solved. The integrated horizontal well water location and shutoff pipe column is characterized in that a water injection pipe column is sequentially connected with a large-drift-diameter upper packer (2), a concentrically-integrated water location and shutoff packer (3), a lower packer (4) and a switch in series from top to bottom. A rod pump (1) is arranged inside the upper portion of the pipe column. The integrated horizontal well water location and shutoff pipe column has the advantages of being easy to operate, clear in data and reliable in fishing.
Description
Technical field
The present invention relates to the down-hole string that field of oil field oil extraction horizontal well is used, especially integrated water horizontal well water detecting and plugging pipe column.
Background technology
In field of oil field oil extraction, along with day by day improving of horizontal well technology increases severely to the demand of petroleum resources with China's expanding economy, the proportion of horizontal well quantity and horizontal well oil and gas production all will in very fast ascendant trend.At present, after there is water breakthrough in horizontal well development process, fast, the produce oil of moisture rising declines fast problem, and as accurately do not judged water exit interval, adopt an effective measure and carry out water blockoff, its moisture content will rise always, even lose reserves.And existing water detecting and plugging pipe column exists complicated operation due to reasons in structure, data are fuzzy, the problem of pulling difficulty, affect oil recovery efficiency.
Summary of the invention
In order to solve existing water detecting and plugging pipe column complicated operation, data are fuzzy, the problem of pulling difficulty.The invention provides a kind of integrated water horizontal well water detecting and plugging pipe column.This integrated water horizontal well water detecting and plugging pipe column has simple to operate, clear data, the reliable feature of pulling.
Technical scheme of the present invention is: this integrated water horizontal well water detecting and plugging pipe column comprises derailing switch, lower packet, concentric integral water detecting and plugging packer, upper packer and insert pump.Water detecting and plugging pipe column is connected with big orifice upper packer, concentric integral water detecting and plugging packer, lower packet, derailing switch from top to bottom successively, and insert pump is placed in tubing string top.Described concentric integral water detecting and plugging packer comprises top connection, upper center tube, shear pin of giving up, separate big envelope, deblocking pin, dummy piston, packed-piston, upper press ring, packing element axle, umbrella, packing element, lower pressure ring, upper locking piece, locking cover, middle lock dog, snap, lower cylinder sleeve, lower center tube, main piston, set pin, lower lock dog, auxiliary piston, lower contact, guide head, lower inlet opening, rope socket, middle inlet opening, upper inlet opening, cam.Under upper center tube upper end is connected to top connection by screw thread and shear pin of giving up, under lower center tube upper end is connected to upper center tube, under lower contact is connected to lower center tube, separating big envelope is connected to outside upper center tube top by deblocking pin, separate in the closed chamber between big envelope and upper center tube and be equipped with dummy piston from top to bottom, packed-piston, upper press ring and umbrella, packing element axle is placed in outside in the middle part of upper center tube, upper locking piece is had between packing element axle and upper center tube, packing element is placed in outside packing element axle, lower cylinder sleeve is placed in outside upper center tube and lower center tube, there is main piston lower cylinder sleeve lower end, umbrella is equipped with from top to bottom in lower cylinder sleeve and the closed chamber between upper center tube and lower center tube, lower pressure ring and locking cover, packing element axle and locking have middle lock dog between overlapping, locking cover external annular groove is built-in with snap, by screw thread with set pin and be connected with lower outer pipe outside lower cylinder sleeve lower end, closed chamber between lower outer pipe and lower center tube is built-in with auxiliary piston, corresponding lower lower center tube wall between cylinder sleeve lower end and auxiliary piston there is feed pathway, the built-in lower lock dog of feed pathway, upper center tube is built-in with integrated core retainer plate, upper inlet opening is had in integrated core retainer plate, middle inlet opening and lower inlet opening, there are cam and rope socket in integrated core retainer plate upper end, guide head is had under integrated core retainer plate, the upper center tube of inlet opening in correspondence, packed-piston and deblocking jacket wall there is upper feed pathway, the upper center tube of middle inlet opening, locking cover and lower cylinder bore wall there is middle feed pathway, the passageway bridge of the integrated core retainer plate inside of corresponding lower inlet opening, bottom oil pipe and derailing switch are lower feed pathway.Described derailing switch comprises outer working tube, card, spring, ball seat, pin, stifled cover, stifled cover is connected in outer working tube lower end, ball seat is connected in the middle part of outer working tube by pin, ball seat is built-in with valve ball, card is connected in the outer working tube on ball seat top, spring is placed between card and valve ball, ball seat and stifled overlap between outer working tube wall on have feed pathway.
The present invention has following beneficial effect: this integrated water horizontal well water detecting and plugging pipe column is first owing to adopting water injection string to be connected with big orifice upper packer 2, concentric integral water detecting and plugging packer 3, lower packet 4, derailing switch from top to bottom successively, and insert pump 1 is placed in the structure in tubing string top.Utilize pulling integrated form blanking plug, just accurately can judge the moisture situation of the production fluid of interval, reduce lower tubular column workload, can realize blocking arbitrarily distance and interval is looked for, water blockoff, simple to operate; The bailing of integrated form blanking plug being carried out interval to ground adjusts stifled, adjusts layer clear and definite, reliable, clear data; Design of string pipe guiding mechanism can ensure to enter smoothly, trip out, and pulling is reliable.This integrated water horizontal well water detecting and plugging pipe column has simple to operate thus, clear data, the reliable feature of pulling.
accompanying drawing illustrates:
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is concentric integral water detecting and plugging packer construction schematic diagrames of the present invention;
Accompanying drawing 3 is derailing switch structural representations of the present invention.
1-insert pump in figure, 2-upper packer, 3-concentric integral water detecting and plugging packer, 4-lower packet, 5-top connection, 6-upper center tube, 7-gives up shear pin, 8-separates big envelope, 9-deblocking pin, 10-dummy piston, 11-packed-piston, 12-upper press ring, 13-packing element axle, 14-umbrella, 15-packing element, pressure ring under 16-, 17-upper locking piece, 18-locks cover, lock dog in 19-, 20-snap, cylinder sleeve under 21-, 22-lower center tube, 23-main piston, 24-sets pin, lock dog under 25-, 26-auxiliary piston, 27-lower contact, 28-guide head, inlet opening under 29-, 30-rope socket, inlet opening in 31-, the upper inlet opening of 32-, 33-cam, 34 outer working tubes-, 35 cards-, 36-spring, 37-ball seat, 38-pin, the stifled cover of 39-.
detailed description of the invention:
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, this integrated water horizontal well water detecting and plugging pipe column comprises derailing switch, lower packet 4, concentric integral water detecting and plugging packer 3, upper packer 2 and insert pump 1.Water detecting and plugging pipe column is connected with big orifice upper packer 2, concentric integral water detecting and plugging packer 3, lower packet 4, derailing switch from top to bottom successively, and insert pump 1 is placed in tubing string top.This integrated water horizontal well water detecting and plugging pipe column enters down derailing switch, lower packet 4, concentric integral water detecting and plugging packer 3 from bottom to top, integrated blanking plug top, middle part inlet opening are closed, bottom inlet opening is opened, packer setting suppressed by oil pipe, switch open, under enter insert pump 1 pump and take out tubing string, monitor the first interval liquid measure.By insert pump pump barrel propose, lower sucker rod pulling roofbolt, salvage blanking plug, by integrated core retainer plate top, bottom inlet opening close, middle part inlet opening is opened, under enter integrated core retainer plate and insert pump pump barrel, detect the second interval liquid measure.Third layer section liquid measure is detected according to same method.Analyze the liquid measure situation of three sections, determine water exit and next step water-blocking layer position, adjust inlet switch as required, exploit.Concentric integral water detecting and plugging packer 3 adopts Hydrodynamic compression setting, on put forward deblocking mode, there is integrated core retainer plate inside, its upper end is the standard fishing head that slips fisher is corresponding, can trip out smoothly at horizontal segment, lower end is sphere guiding mechanism, and this structure can pass through horizontal segment smoothly when delivering, concentric integral water detecting and plugging packer 3 inner chamber upper end is provided with bell guide, smoothly integrated core retainer plate can be introduced packer inner chamber.The inlet opening of three intervals becomes one by integrated core retainer plate, and the on off state of replaceable three the different layers positions of a pulling, operating efficiency is high, handling safety is reliable.Upper packer 2 is big orifice packer, ensures the smooth pulling of integrated core retainer plate, adopt simultaneously carry, lower instrument two kinds of deblocking modes, realize deblocking reliable, lower packet 4 adopts Hydrodynamic compression setting, above carries deblocking packer.Derailing switch provides pressure space for packer setting, and provides the feed pathway of first paragraph.This tubing string adopts insert pump, for the integrated core retainer plate of sucker rod pulling provides operation path.Enter the seperated layer water injection of constant flow blanking plug energy under this integrated water horizontal well water detecting and plugging pipe column, take out constant flow blanking plug and can look for water blockoff, realize a tubing string multi-functional.
Described concentric integral water detecting and plugging packer 3 comprises top connection 5, upper center tube 6, to give up shear pin 7, separate big envelope 8, deblocking pin 9, dummy piston 10, packed-piston 11, upper press ring 12, packing element axle 13, umbrella 14, packing element 15, lower pressure ring 16, upper locking piece 17, locking cover 18, middle lock dog 19, snap 20, lower cylinder sleeve 21, lower center tube 22, main piston 23, set pin 24, lower lock dog 25, auxiliary piston 26, lower contact 27, guide head 28, lower inlet opening 29, rope socket 30, middle inlet opening 31, upper inlet opening 32, cam 33.Upper center tube 6 upper end is connected to top connection 5 times by screw thread and shear pin 7 of giving up, lower center tube 22 upper end is connected to upper center tube 6 times, lower contact 27 is connected to lower center tube 22 times, separating big envelope 8 is connected to outside upper center tube 6 top by deblocking pin 9, separate in the closed chamber between big envelope 8 and upper center tube 6 and be equipped with dummy piston 10 from top to bottom, packed-piston 11, upper press ring 12 and umbrella 14, packing element axle 13 is placed in outside in the middle part of upper center tube 6, upper locking piece 17 is had between packing element axle 13 and upper center tube 6, packing element 15 is placed in outside packing element axle 13, lower cylinder sleeve 21 is placed in outside upper center tube 6 and lower center tube 22, there is main piston 23 lower cylinder sleeve 21 lower end, umbrella 14 is equipped with from top to bottom in lower cylinder sleeve 21 and the closed chamber between upper center tube 6 and lower center tube 22, lower pressure ring 16 and locking cover 18, middle lock dog 19 is had between packing element axle 13 and locking cover 18, locking cover 18 external annular groove is built-in with snap 20, by screw thread with set pin 24 and be connected with lower outer pipe outside lower cylinder sleeve 21 lower end, closed chamber between lower outer pipe and lower center tube 22 is built-in with auxiliary piston 26, corresponding lower lower center tube 22 wall between cylinder sleeve 21 lower end and auxiliary piston 26 there is feed pathway, the built-in lower lock dog 25 of feed pathway, upper center tube 6 is built-in with integrated core retainer plate, upper inlet opening (32) is had in integrated core retainer plate, middle inlet opening (31) and lower inlet opening (29), there are cam (33) and rope socket (30) in integrated core retainer plate upper end, guide head (28) is had under integrated core retainer plate, the upper center tube (6) of inlet opening (32) in correspondence, packed-piston (11) and solution big envelope (8) wall there is upper feed pathway, the upper center tube (6) of middle inlet opening (31), locking cover (18) and lower cylinder sleeve (21) wall there is middle feed pathway, the passageway bridge of the integrated core retainer plate inside of corresponding lower inlet opening (29), bottom oil pipe and derailing switch are lower feed pathway.
Concentric integral water detecting and plugging packer 2 operating principle:
Set: pressure liquid enters the space of main piston 23 and auxiliary piston 26 through the side mouth of lower center tube 22, set pin 24 to be cut off when pressure rises to starting pressure, lock dog 25 under the descending release of auxiliary piston 23, instantly under lock dog 25 is released the up promotion of rear master piston 23, the up compression packing element 15 of pressure ring 16 makes packer set, and main piston 23 is made packer form sealed-for-life by snap 20 locking simultaneously;
Deblocking: upper lifting pipe post, top connection 5 power passes to upper center tube 6, power is passed to upper center tube by upper center tube 6, upper center tube is up cuts off deblocking shear pin 9, continue up 10mm upper center tube to be separated with lower center tube 22, pawl spring loses support, simultaneously, lock dog 19 is released and packing element axle 13 is overlapped with snap 20 be separated, upper center tube continues that up drive packed-piston 11 is up collides with dummy piston 10, big envelope 8 is separated in the up drive of dummy piston 10, upper press ring 12, packing element axle 13 is exercised packing element 15 deblocking, continue up packing element axle 13 and upper lifting force is passed to lower pressure ring 16, lower pressure ring 16 drives main piston 23 is about to power and passes to lower center tube 22, finally upper lifting force is passed to the top connection of lower contact 27 to next stage packer by lower center tube 22.
Give up: shear pin 7 of giving up during upper lifting force overburden can be cut off, separately, above mention top connection 5, lower Special fishing tool drags for for top connection 5 and upper center tube 6, salvages upper center tube 6 packer.
Looking for the switch adjusting three grades of liquid passages in water blockoff process respectively, what realize three intervals looks for water blockoff.
Described derailing switch comprises outer working tube 34, card 35, spring 36, ball seat 37, pin 38, stifled cover 39.Stifled cover 39 is connected in outer working tube 34 lower end, ball seat 37 is connected in the middle part of outer working tube 34 by pin 38, ball seat 37 is built-in with valve ball, card 35 is connected in the outer working tube 34 on ball seat 37 top, spring 36 is placed between card 35 and valve ball, and outer working tube 34 wall between ball seat 37 and stifled cover 39 has feed pathway.Operating principle: oil pipe is suppressed, fluid pressure promotes ball seat 37 by card 35 and moves down, and cuts off pin 38, opens feed pathway.
Claims (1)
1. an integrated water horizontal well water detecting and plugging pipe column, comprise derailing switch, lower packet (4), concentric integral water detecting and plugging packer (3), upper packer (2) and insert pump (1), it is characterized in that: water injection string is connected with big orifice upper packer (2), concentric integral water detecting and plugging packer (3), lower packet (4), derailing switch from top to bottom successively, and insert pump (1) is placed in tubing string top;
Described concentric integral water detecting and plugging packer (3) comprises top connection (5), upper center tube (6), to give up shear pin (7), separate big envelope (8), deblocking pin (9), dummy piston (10), packed-piston (11), upper press ring (12), packing element axle (13), umbrella (14), packing element (15), lower pressure ring (16), upper locking piece (17), locking cover (18), middle lock dog (19), snap (20), lower cylinder sleeve (21), lower center tube (22), main piston (23), set pin (24), lower lock dog (25), auxiliary piston (26), lower contact (27), guide head (28), lower inlet opening (29), rope socket (30), middle inlet opening (31), upper inlet opening (32), cam (33), under upper center tube (6) upper end is connected to top connection (5) by screw thread and shear pin (7) of giving up, under lower center tube (22) upper end is connected to upper center tube (6), under lower contact (27) is connected to lower center tube (22), separating big envelope (8) is connected to outside upper center tube (6) top by deblocking pin (9), separates in the closed chamber between big envelope (8) and upper center tube (6) and is equipped with dummy piston (10) from top to bottom, packed-piston (11), upper press ring (12) and umbrella (14), packing element axle (13) is placed in outside upper center tube (6) middle part, upper locking piece (17) is had between packing element axle (13) and upper center tube (6), packing element (15) is placed in packing element axle (13) outward, lower cylinder sleeve (21) is placed in upper center tube (6) and lower center tube (22) outward, there is main piston (23) lower cylinder sleeve (21) lower end, is equipped with umbrella (14) from top to bottom in lower cylinder sleeve (21) and the closed chamber between upper center tube (6) and lower center tube (22), lower pressure ring (16) and locking cover (18), packing element axle (13) and locking are overlapped between (18) and are had middle lock dog (19), locking cover (18) external annular groove is built-in with snap (20), by screw thread with set pin (24) and be connected with lower outer pipe outside lower cylinder sleeve (21) lower end, closed chamber between lower outer pipe and lower center tube (22) is built-in with auxiliary piston (26), corresponding lower lower center tube (22) wall between cylinder sleeve (21) lower end and auxiliary piston (26) there is feed pathway, the built-in lower lock dog (25) of feed pathway, upper center tube (6) is built-in with integrated core retainer plate, has upper inlet opening (32) in integrated core retainer plate, middle inlet opening (31) and lower inlet opening (29), there are cam (33) and rope socket (30) in integrated core retainer plate upper end, guide head (28) is had, the upper center tube (6) of inlet opening (32) in correspondence under integrated core retainer plate, packed-piston (11) and solution big envelope (8) wall there is upper feed pathway, the upper center tube (6) of middle inlet opening (31), locking cover (18) and lower cylinder sleeve (21) wall there is middle feed pathway, the passageway bridge of the integrated core retainer plate inside of corresponding lower inlet opening (29), bottom oil pipe and derailing switch are lower feed pathway,
Described derailing switch comprises outer working tube (34), card (35), spring (36), ball seat (37), pin (38), stifled cover (39), stifled cover (39) is connected in outer working tube (34) lower end, ball seat (37) is connected in outer working tube (34) middle part by pin (38), ball seat (37) is built-in with valve ball, card (35) is connected in the outer working tube (34) on ball seat (37) top, spring (36) is placed between card (35) and valve ball, ball seat (37) and stifled outer working tube (34) wall overlapped between (39) there is feed pathway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510363236.6A CN104989316A (en) | 2015-06-26 | 2015-06-26 | Integrated horizontal well water location and shutoff pipe column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510363236.6A CN104989316A (en) | 2015-06-26 | 2015-06-26 | Integrated horizontal well water location and shutoff pipe column |
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| CN104989316A true CN104989316A (en) | 2015-10-21 |
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| CN201510363236.6A Pending CN104989316A (en) | 2015-06-26 | 2015-06-26 | Integrated horizontal well water location and shutoff pipe column |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422085A (en) * | 2015-12-29 | 2016-03-23 | 中国石油天然气股份有限公司 | Sliding sleeve switch type water exploration tube column for horizontal wells |
| CN107100587A (en) * | 2017-06-01 | 2017-08-29 | 大庆市天德忠石油科技有限公司 | For the channeling test of cement sheath in Petroleum Production, water blockoff, test inside back cover unification process pipe string |
| CN108019191A (en) * | 2016-11-01 | 2018-05-11 | 中国石油化工股份有限公司 | A kind of tubing string and completion method |
| CN111997563A (en) * | 2020-08-04 | 2020-11-27 | 中国石油化工股份有限公司 | Pump-sealing integrated water finding and blocking pipe column and moving bottom block thereof |
| CN112855098A (en) * | 2021-02-19 | 2021-05-28 | 大庆市天德忠石油科技有限公司 | Water plugging pipe column |
| CN112943152A (en) * | 2021-01-11 | 2021-06-11 | 中国石油天然气股份有限公司 | Water finding and water plugging integrated tubular column for oil field horizontal well and water finding and water plugging method thereof |
| CN113914813A (en) * | 2021-09-28 | 2022-01-11 | 四川省威沃敦化工有限公司 | Small-diameter water plugging tool |
| CN113982524A (en) * | 2021-11-05 | 2022-01-28 | 徐国枝 | Packer for preventing packer rubber sleeve from being damaged and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108019191A (en) * | 2016-11-01 | 2018-05-11 | 中国石油化工股份有限公司 | A kind of tubing string and completion method |
| CN108019191B (en) * | 2016-11-01 | 2020-02-18 | 中国石油化工股份有限公司 | Tubular column and well completion method |
| CN107100587A (en) * | 2017-06-01 | 2017-08-29 | 大庆市天德忠石油科技有限公司 | For the channeling test of cement sheath in Petroleum Production, water blockoff, test inside back cover unification process pipe string |
| CN107100587B (en) * | 2017-06-01 | 2023-02-07 | 大庆市天德忠石油科技有限公司 | Three-in-one process pipe column for string inspection, water plugging and seal inspection in petroleum production |
| CN111997563B (en) * | 2020-08-04 | 2022-06-24 | 中国石油化工股份有限公司 | Pump-sealing integrated water finding and blocking pipe column and moving bottom block thereof |
| CN111997563A (en) * | 2020-08-04 | 2020-11-27 | 中国石油化工股份有限公司 | Pump-sealing integrated water finding and blocking pipe column and moving bottom block thereof |
| CN112943152A (en) * | 2021-01-11 | 2021-06-11 | 中国石油天然气股份有限公司 | Water finding and water plugging integrated tubular column for oil field horizontal well and water finding and water plugging method thereof |
| CN112855098B (en) * | 2021-02-19 | 2021-10-29 | 大庆市天德忠石油科技有限公司 | Water plugging pipe column |
| CN112855098A (en) * | 2021-02-19 | 2021-05-28 | 大庆市天德忠石油科技有限公司 | Water plugging pipe column |
| CN113914813A (en) * | 2021-09-28 | 2022-01-11 | 四川省威沃敦化工有限公司 | Small-diameter water plugging tool |
| CN113982524A (en) * | 2021-11-05 | 2022-01-28 | 徐国枝 | Packer for preventing packer rubber sleeve from being damaged and using method thereof |
| CN113982524B (en) * | 2021-11-05 | 2022-08-09 | 招远金河石油设备技术开发有限公司 | Packer for preventing packer rubber sleeve from being damaged and using method thereof |
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Application publication date: 20151021 |