CN1908366A - Underground three layer diverter - Google Patents
Underground three layer diverter Download PDFInfo
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- CN1908366A CN1908366A CN 200510044220 CN200510044220A CN1908366A CN 1908366 A CN1908366 A CN 1908366A CN 200510044220 CN200510044220 CN 200510044220 CN 200510044220 A CN200510044220 A CN 200510044220A CN 1908366 A CN1908366 A CN 1908366A
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Abstract
The invention relates to an under-well three-layer diverter for diverting water under well, wherein the invention comprises: a working cylinder and water distribution core integration; the water distribution core integration is mounted on the center of working cylinder; the frame wall of middle tube has internal channel along the axle; said channel is formed by two rows of holes; the outer tube is processed with upper and lower two rows of water outlet holes; the upper, middle and lower divert bases are arranged on the water distribution core; the connecting tube is mounted between the middle and lower diversion bases; the diversion base contains water ejector and compress cap. The working cylinder will enter into well with the post; the water distribution core can control water; one strike of post can adsorb the water laminated to pour water, with simple process; and it uses hydraulic method, to avoid steel wire and pump, while it can check three water ejectors at one time.
Description
Technical field the present invention relates to water injection well in oil fields current divider technology.
Background technology with the continuous minimizing of landing surface liquid supply rate, needs to give in time the stratum energize in the oil exploitation process, to replenish the energy shortage on stratum, provide support for continuing the exploitation residual petroleum, because the complexity on stratum, often to the water filling respectively of different well sections; Chinese patent " current divider ", the patent No. 92216312 are current dividers that a kind of well-flushing is used, and it adopts the pretightning force of ball valve medi-spring and the pressure in shaft bottom, makes ball valve close the well-flushing passage, when normally pumping operation, keep the unimpeded of crude oil extraction passage simultaneously; It utilizes the pressure of annular space fluid column between oil pipe and the sleeve pipe to open ball valve and finishes clean-out service when well-flushing.Chinese patent " the double-deck current divider in down-hole, oil field ", the patent No. 2003201111526 only relates to down-hole double-layer water injection situation, can not satisfy the down-hole subdivision injection, therefore how to design three layers of injector, to improve the operating efficiency of underground water-injection, alleviate because poor efficiency and the onerous toil that the water filling instrument brings that frequently hoist change particularly important.
Summary of the invention purpose of the present invention designs a kind of underground three layer diverter exactly, to solve down-hole subdivision injection problem.Underground three layer diverter of the present invention, it comprises seating nipple and water distributing core general name, the water distributing core general name is installed in seating nipple central authorities; Seating nipple is a cylindrical structural, and it comprises top connection, interior pipe, middle pipe, outer tube, packing element, outer connecting tube, middle connecting tube and lower contact; The water distributing core general name comprises fishes for head, lifting leather cup, upper pressing cap, last water nozzle, middle pressure cap, middle water nozzle, lower pressing cap, following water nozzle, last distributary base, middle distributary base, interior connecting tube and following distributary base; In seating nipple, interior pipe, middle pipe and outer tube are cylindrical structural, and middle pipe and outer tube link by screw thread, and interior Guan Yuzhong pipe also links by screw thread, is processed with inner flow passage along its axis direction in the housing of middle pipe; This runner divides inside and outside two-layer runner; Middle part at middle pipe along the circumferential direction is processed with weep hole, and this weep hole communicates with the weep hole and the last distributary base weep hole of outer tube upper end respectively.Be processed with upper and lower two at outer tube upper edge circumferencial direction and discharge the water hole, on the top of outer tube top connection is installed, the bottom is equipped with lower contact, and the middle part is equipped with outer connecting tube and middle connecting tube, in the connecting tube packing element is installed outside; Water distributing core general name upper end is for fishing for head, the lifting leather cup is sleeved on the water distributing core general name, three distributary bases in upper, middle and lower are arranged in order from top to bottom, between middle distributary base and following distributary base, inner connection tube is installed, in three distributary bases, be separately installed with water nozzle and pressure cap, on distributary base, along the circumferential direction all be processed with the inlet opening, the inlet opening of last distributary base is connected with the weep hole on outer tube top, and the outer runner on the middle tube shell is connected with the endoporus of the inner connection tube of water distributing core middle and lower part; The distributary base inlet opening is connected with the weep hole of outer tube lower end in the internal layer runner warp on the middle tube shell.Seating nipple among the present invention is gone into the well with tubing string, and water distributing core is used for controlling the water yield, can pulling.The upper strata water filling arrives and goes up injecting interval through the control of the last water nozzle upper water-out hole of flowing through by interior pipe, the middle level water filling by the interlayer of interior Guan Yuzhong pipe by interior connecting tube again through in the control of water nozzle flow through following weep hole on the outer tube arrive in injecting interval, the interlayer of lower floor's water filling by middle pipe and outer tube is through the injecting interval under the weep hole arrival of flowing through down of the control of water nozzle down.Use the present invention, one-trip string can be enrolled the layered absorbent data and be realized seperated layer water injection, and convenient test is simple, adopts fluid power to dash and drags for, need not wire rope and pump truck, and can once check three water nozzles, can be used for the inclined shaft subdivision injection.
Description of drawings Fig. 1 is a structural representation of the present invention, and pipe, 4 interior pipes, 5 are fished for connecting tube in the connecting tubes, 14,15 outer connecting tubes, 16 packing elements, 17 inlet openings, 18 distributary bases in head, 6 lifting leather cups, 7 pressure caps, 8,10 weep holes, 12 lower contacts 13 in 1 top connection among the figure, 2 outer tubes, 3.
The specific embodiment is with reference to accompanying drawing 1 underground three layer diverter of the present invention, and it comprises seating nipple and water distributing core general name, and the water distributing core general name is installed in seating nipple central authorities; Seating nipple is a cylindrical structural, and it comprises top connection (1), interior pipe (4), middle pipe (3), outer tube (2), lower contact (12), middle connecting tube (14), outer connecting tube (15), 16 packing elements (16).The water distributing core general name comprise fish for head (5), a lifting leather cup (6), upper pressing cap, go up water nozzle, middle pressure cap, middle water nozzle, lower pressing cap, down water nozzle, go up distributary base, middle distributary base, interior connecting tube (13) and following distributary base; In seating nipple, interior pipe (4), middle pipe (3), outer tube (2) are cylindrical structural, link by screw thread between middle pipe (3) and the outer tube (2), also link between interior pipe (4) and the middle pipe (3) by screw thread, its axis direction is processed with inside and outside two-layer runner in the housing upper edge of middle pipe (3), and this runner is made up of intraparietal two rounds of middle shell respectively; Along the circumferential direction be processed with upper water-out hole (8) and following weep hole (10) on outer tube (2), along the circumferential direction also be processed with weep hole at the middle part of middle pipe (3), this weep hole communicates with the weep hole (8) and the last distributary base weep hole of outer tube (2) upper end respectively.On the top of outer tube (2) top connection (1) is installed, the bottom is equipped with lower contact (12), and there are outer connecting tube (15), middle connecting tube (14) in the middle part, and packing element (16) is installed in the connecting tube outside; Water distributing core general name upper end is for fishing for head (5), and lifting leather cup (6) is sleeved on the water distributing core general name, and three distributary bases in upper, middle and lower are arranged in order from top to bottom, and distributary base central authorities are processed with trapezoidal circular hole, and water nozzle is laid wherein, and pressure cap is pressed on the water nozzle.Between middle distributary base and following distributary base, interior connecting tube (13) is installed, in three distributary bases, be separately installed with water nozzle (9) and pressure cap (7), on distributary base, along the circumferential direction be processed with the inlet opening, the inlet opening of last distributary base is connected with upper water-out hole (8) on the outer tube through the weep hole of last distributary base, the outer runner on middle pipe (3) housing through in the weep hole of distributary base be connected with the endoporus of the interior connecting tube (13) of water distributing core middle and lower part; Inlet opening in the internal layer runner warp on middle pipe (3) housing on the distributary base is connected by the following weep hole (10) of the annular space between middle connecting tube (14) and the outer connecting tube (15) with outer tube (2) lower end again.The present invention is achieved in that when giving last water layer water filling, the one tunnel respectively inlet opening (17), pressure cap (7), water nozzle (9), the outer tube upper water-out hole (8) by distributary base on interior pipe (4), the water distributing core enter upper formation.The internal layer runner of pipe during another road enters by the annular space between interior pipe (4) and the middle pipe (3), inlet opening, pressure cap (7), water nozzle (9), the outer connecting tube (15) of passing through distributary base in the water distributor core more successively arrive in the packing element with the annular space of middle connecting tube (14), the packing element packing stratum that bulges, another part enters the stratum, middle part by weep hole (10); The outer runner of pipe during the annular space between outer tube (3) and the middle pipe (2) of leading up to again enters, enter the bottom oil pipe by distributary base, lower pressing cap (7), following water nozzle (9) under interior connecting tube (13), the water distributing core successively again, the tubing string of forming by K344 packer, restriction choke, balanced type bottom ball seat injects the understratum again, has both finished three layers of water filling.When the allotment water nozzle, water filling outside oil pipe ejects the water distributing core general name, and catching at well head is adjustable water nozzle.
Claims (3)
1, a kind of underground three layer diverter, it comprises seating nipple and water distributing core general name, the water distributing core general name is installed in seating nipple central authorities; Seating nipple is a cylindrical structural, and it comprises top connection, outer tube, packing element and lower contact; The water distributing core general name comprises fishes for head, lifting leather cup, upper pressing cap, last water nozzle, last distributary base, and it also comprises interior pipe, middle pipe, outer connecting tube, middle connecting tube to it is characterized in that seating nipple; The water distributing core general name also comprises middle pressure cap, middle water nozzle, lower pressing cap, following water nozzle, goes up distributary base, middle distributary base, interior connecting tube and following distributary base; In seating nipple, interior pipe, middle pipe, outer tube are cylindrical structural, and middle pipe and outer tube link by screw thread, and interior Guan Yuzhong pipe also links by screw thread, is processed with inner flow passage along its axis direction in the housing of middle pipe, and this runner divides inside and outside two-layer runner; Middle part at middle pipe along the circumferential direction is processed with weep hole, and this weep hole communicates with the weep hole and the last distributary base weep hole of outer tube upper end respectively; Be processed with upper and lower two at outer tube upper edge circumferencial direction and discharge the water hole, the middle part is equipped with outer connecting tube and middle connecting tube, in the connecting tube packing element is installed outside; Water distributing core general name upper end is for fishing for head, the lifting leather cup is sleeved on the water distributing core general name, three distributary bases in upper, middle and lower are arranged in order from top to bottom, between middle distributary base and following distributary base, interior connecting tube is installed, in three distributary bases, be separately installed with water nozzle and pressure cap, on distributary base, along the circumferential direction all be processed with the inlet opening, the inlet opening of last distributary base is connected with the weep hole on outer tube top, and the outer runner on the middle tube shell is connected with the endoporus of the interior connecting tube of water distributing core middle and lower part; The distributary base inlet opening is connected with the weep hole of outer tube lower end in the internal layer runner warp on the middle tube shell.
2, underground three layer diverter according to claim 1 is characterized in that the inside and outside two-layer runner on middle tube shell, is made up of intraparietal two rounds of middle shell respectively.
3, underground three layer diverter according to claim 1 is characterized in that being processed with trapezoidal circular hole in distributary base central authorities, and water nozzle is laid wherein, and pressure cap is pressed on the water nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510044220 CN1908366A (en) | 2005-08-05 | 2005-08-05 | Underground three layer diverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510044220 CN1908366A (en) | 2005-08-05 | 2005-08-05 | Underground three layer diverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1908366A true CN1908366A (en) | 2007-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510044220 Pending CN1908366A (en) | 2005-08-05 | 2005-08-05 | Underground three layer diverter |
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| Country | Link |
|---|---|
| CN (1) | CN1908366A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847319A (en) * | 2015-05-26 | 2015-08-19 | 成都北方石油勘探开发技术有限公司 | Triune quantitative water injection device |
| CN104847318A (en) * | 2015-05-26 | 2015-08-19 | 成都北方石油勘探开发技术有限公司 | Rationing integrated set |
| CN106285591A (en) * | 2015-05-12 | 2017-01-04 | 中国石油化工股份有限公司 | A kind of integrated steam-matching device for selective sand control well |
| CN104453808B (en) * | 2014-11-10 | 2017-05-10 | 中国石油化工股份有限公司 | Underground separate injection method and separate injection pipe column |
| CN107165606A (en) * | 2017-06-26 | 2017-09-15 | 中国石油集团渤海钻探工程有限公司 | Upper strata high pressure negative pressure point device for picking |
| CN107420075A (en) * | 2017-06-26 | 2017-12-01 | 中国石油集团渤海钻探工程有限公司 | Upper strata low pressure negative pressure divides device for picking |
| CN107630689A (en) * | 2017-11-10 | 2018-01-26 | 中国石油化工股份有限公司 | Ground controls time-sharing layered water-filling method and cable control water dispensing apparatus and its application method |
| CN112855096A (en) * | 2021-02-03 | 2021-05-28 | 李青 | Simple separate layer water injection string |
-
2005
- 2005-08-05 CN CN 200510044220 patent/CN1908366A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453808B (en) * | 2014-11-10 | 2017-05-10 | 中国石油化工股份有限公司 | Underground separate injection method and separate injection pipe column |
| CN106285591A (en) * | 2015-05-12 | 2017-01-04 | 中国石油化工股份有限公司 | A kind of integrated steam-matching device for selective sand control well |
| CN106285591B (en) * | 2015-05-12 | 2018-10-16 | 中国石油化工股份有限公司 | A kind of integrated steam-matching device for selective sand control well |
| CN104847319A (en) * | 2015-05-26 | 2015-08-19 | 成都北方石油勘探开发技术有限公司 | Triune quantitative water injection device |
| CN104847318A (en) * | 2015-05-26 | 2015-08-19 | 成都北方石油勘探开发技术有限公司 | Rationing integrated set |
| CN107165606A (en) * | 2017-06-26 | 2017-09-15 | 中国石油集团渤海钻探工程有限公司 | Upper strata high pressure negative pressure point device for picking |
| CN107420075A (en) * | 2017-06-26 | 2017-12-01 | 中国石油集团渤海钻探工程有限公司 | Upper strata low pressure negative pressure divides device for picking |
| CN107420075B (en) * | 2017-06-26 | 2023-07-14 | 中国石油天然气集团有限公司 | Upper low-pressure negative pressure separate mining device |
| CN107165606B (en) * | 2017-06-26 | 2023-07-21 | 中国石油天然气集团有限公司 | High-pressure negative-pressure separate mining device on upper layer |
| CN107630689A (en) * | 2017-11-10 | 2018-01-26 | 中国石油化工股份有限公司 | Ground controls time-sharing layered water-filling method and cable control water dispensing apparatus and its application method |
| CN112855096A (en) * | 2021-02-03 | 2021-05-28 | 李青 | Simple separate layer water injection string |
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