CN101915070B - Expanding open hole packer - Google Patents
Expanding open hole packer Download PDFInfo
- Publication number
- CN101915070B CN101915070B CN 201010269310 CN201010269310A CN101915070B CN 101915070 B CN101915070 B CN 101915070B CN 201010269310 CN201010269310 CN 201010269310 CN 201010269310 A CN201010269310 A CN 201010269310A CN 101915070 B CN101915070 B CN 101915070B
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- Prior art keywords
- packing element
- joint
- piston
- cylinder body
- inner tube
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Abstract
The invention relates to an expanding open hole packer. An upper joint is connected with the upper part of an inner tube, an upper packing element joint, an outer packing element and a lower packing element are vulcanized into a whole, so as to be sheathed outside an the inner tube, an upper packing element sleeve is connected with the upper packing element joint, a lower packing element sleeve is connected with the lower packing element joint, expanding rubber is filled into the outer packing element, the inner tube, a inner tube joint and a lower joint are sequentially connected, the lower part of a sealing sleeve is connected with the upper part of a cylinder body, the cylinder body is sheathed outside the inner tube joint and the lower joint, the cylinder body is fixed on the lower joint by a connection pin, an upper piston and a lower piston are arranged between the cylinder body and the inner tube joint, the upper end of the cylinder body is provided with a check valve, the lower piston is fixed on the inner tube joint by a shearing pin, the inner tube joint is provided with an upper communication hole and a lower communication hole, the outer wall of the upper piston is provided with a lock ring, the cylinder body is provided with a lock ring slot, the expanding rubber is expanded when meeting water, so that the outer packing element is expanded and the bottom of open hole completion, and the check valve and the lock ring cause the outer packing element to be in expanded state permanently. Thus, the invention meets the requirement that the bottom of oil field open hole well is permanently plugged.
Description
Technical field
The present invention is the packer that permanent shutoff shaft bottom, oil field is used, and is a kind of expanding open hole packer.
Background technology
The inflatable packer that oil-field flooding is used is that packing element expands outwardly when the packing element internal pressure is higher than the packing element external pressure, realization sealing oil casing annular space.Will deblocking when present inflatable packer does not have pressure in inside, be not suitable for the requirement in permanent shutoff shaft bottom, oil field, some inflatable packers are provided with one-way mechanism in inside, deblocking not in the time of can guaranteeing not have pressure reduction within a certain period of time, but keep the not limited time of deblocking, also be not suitable for the requirement in permanent shutoff shaft bottom, oil field.
Summary of the invention
The purpose of this invention is to provide a kind of expanding open hole packer, be applicable to the requirement in permanent shutoff shaft bottom, oil field.
The object of the present invention is achieved like this: by top connection, upper packing element sheath, gluing socket joint head, inner tube, outer packing element, the rubber that rises of splashing, the lower rubber cylinder sheath, the lower rubber cylinder joint, sealing shroud, inner pipe joint, one way valve, upper piston, lock ring, cylinder body, lower piston, connect pin, lower contact, cutting off pin forms, top connection is connected with inner tube top, gluing socket joint head, outer packing element, the lower rubber cylinder joint is sulfided into one, upper packing element sheath is connected with gluing socket joint head, upper packing element protecting cover is lived outer packing element top, the lower rubber cylinder sheath is connected with the lower rubber cylinder joint, the lower rubber cylinder sheath covers outer packing element bottom, the rubber that rises of splashing is packed in the outer packing element, upper packing element sheath, gluing socket joint head, outer packing element, the rubber that rises of splashing, the lower rubber cylinder sheath, the lower rubber cylinder joint is sleeved on outside the inner tube after being assembled into one, inner pipe joint top is connected with the inner tube bottom, the inner pipe joint bottom is connected with lower contact, sealing shroud is sleeved on outside the lower rubber cylinder sheath bottom, the sealing shroud bottom is connected with cylinder body top, cylinder body is sleeved on inner pipe joint, outside the lower contact, cylinder body is fixed in the lower contact by connecting pin, install piston between cylinder body and the inner pipe joint, lower piston, lower piston lower end area is greater than the upper end area, one way valve is installed in the cylinder body upper end, lower piston is fixed on the inner pipe joint by cutting off pin, upper linked hole and lower linked hole are arranged on the inner pipe joint, lower piston is on the lower linked hole, upper piston is under the linked hole, the upper piston outer wall is installed lock ring, the lock ring groove is arranged on the cylinder body, the lock ring groove is on the lock ring, and the lock ring groove can cooperate with lock ring.
The invention has the beneficial effects as follows: the rubber that rises of splashing is met to splash behind the water and is risen, and makes the shaft bottom of outer packing element expansion sealing barefoot completion, and one way valve and lock ring make outer packing element forever be in expansion state, and therefore, the present invention is applicable to the requirement in the permanent shutoff of oil field open hole well shaft bottom.
Description of drawings
Accompanying drawing 1 is Standard figure of the present invention.
The specific embodiment
Describe below in conjunction with 1 pair of embodiments of the invention of accompanying drawing.
As shown in the figure, embodiments of the invention are by top connection 1, upper packing element sheath 2, gluing socket joint head 3, inner tube 4, outer packing element 5, the rubber 6 that rises of splashing, lower rubber cylinder sheath 7, lower rubber cylinder joint 8, sealing shroud 9, inner pipe joint 10, one way valve 11, upper piston 12, lock ring 13, cylinder body 14, lower piston 15, connect pin 16, lower contact 17, cutting off pin 18 forms, top connection 1 is connected with inner tube 4 tops, gluing socket joint head 3, outer packing element 5, lower rubber cylinder joint 8 is sulfided into one, upper packing element sheath 2 is connected with gluing socket joint head 3, upper packing element sheath 2 covers outer packing element 5 tops, lower rubber cylinder sheath 7 is connected with lower rubber cylinder joint 8, lower rubber cylinder sheath 7 covers outer packing element 5 bottoms, the rubber 6 that rises of splashing is packed in the outer packing element 5, upper packing element sheath 2, gluing socket joint head 3, outer packing element 5, the rubber 6 that rises of splashing, lower rubber cylinder sheath 7, lower rubber cylinder joint 8 is sleeved on outside the inner tube 4 after being assembled into one, inner pipe joint 10 tops are connected with inner tube 4 bottoms, inner pipe joint 10 bottoms are connected with lower contact 17, sealing shroud 9 is sleeved on outside lower rubber cylinder sheath 7 bottoms, sealing shroud 9 bottoms are connected with cylinder body 14 tops, cylinder body 14 is sleeved on inner pipe joint 10, outside the lower contact 17, cylinder body 14 is fixed in the lower contact 17 by connecting pin 16, install piston 12 between cylinder body 14 and the inner pipe joint 10, lower piston 15, lower piston 15 lower end areas are greater than the upper end area, one way valve 11 is installed in cylinder body 14 upper ends, lower piston 15 is fixed on the inner pipe joint 10 by cutting off pin 18, upper linked hole 20 and lower linked hole 21 are arranged on the inner pipe joint 10, lower piston 15 is on the lower linked hole 21, upper piston 12 is under the linked hole 20, upper piston 12 outer walls are installed lock ring 13, lock ring groove 19 is arranged on the cylinder body 14, lock ring groove 19 is on the lock ring 13, and lock ring groove 19 can cooperate with lock ring 13.
Seal behind the position to open hole well under the present invention, inwardly water filling, injected water flow in the cylinder body 14 from upper linked hole 20 first, again in one way valve 11 enters outer packing element 5, the rise rubber 6 of splashing is met to splash behind the water and is risen, and makes the shaft bottom of outer packing element 5 expansion sealing barefoot completions, and one way valve 11 can not flow out the rubber 6 that rises of splashing, outer packing element 5 keeps expansion state, continue to boost, pressure imports into from lower linked hole 21, makes lower piston 15 produce upwards thrust, cut off pin 18, it is up that lower piston 15 promotes upper pistons 12, the upper linked hole 20 of upper piston 12 sealings, upper piston 12 and by the lock ring locking, the rubber 6 that rises of splashing can not flow out fully, and outer packing element 5 forever is in expansion state.
Claims (1)
1. expanding open hole packer, by top connection (1), upper packing element sheath (2), gluing socket joint head (3), inner tube (4), outer packing element (5), the rubber (6) that rises of splashing, lower rubber cylinder sheath (7), lower rubber cylinder joint (8), sealing shroud (9), inner pipe joint (10), one way valve (11), upper piston (12), lock ring (13), cylinder body (14), lower piston (15), connect pin (16), lower contact (17), cutting off pin (18) forms, it is characterized in that: top connection (1) is connected with inner tube (4) top, gluing socket joint head (3), outer packing element (5), lower rubber cylinder joint (8) is sulfided into one, upper packing element sheath (2) is connected with gluing socket joint head (3), upper packing element sheath (2) covers outer packing element (5) top, lower rubber cylinder sheath (7) is connected with lower rubber cylinder joint (8), lower rubber cylinder sheath (7) covers outer packing element (5) bottom, the rubber (6) that rises of splashing is packed in the outer packing element (5), upper packing element sheath (2), gluing socket joint head (3), outer packing element (5), the rubber (6) that rises of splashing, lower rubber cylinder sheath (7), lower rubber cylinder joint (8) is sleeved on outside the inner tube (4) after being assembled into one, inner pipe joint (10) top is connected with inner tube (4) bottom, inner pipe joint (10) bottom is connected with lower contact (17), sealing shroud (9) is sleeved on outside lower rubber cylinder sheath (7) bottom, sealing shroud (9) bottom is connected with cylinder body (14) top, cylinder body (14) is sleeved on inner pipe joint (10), outside the lower contact (17), cylinder body (14) is fixed in the lower contact (17) by connecting pin (16), install piston (12) between cylinder body (14) and the inner pipe joint (10), lower piston (15), lower piston (15) lower end area is greater than the upper end area, one way valve (11) is installed in cylinder body (14) upper end, lower piston (15) is fixed on the inner pipe joint (10) by cutting off pin (18), upper linked hole (20) and lower linked hole (21) are arranged on the inner pipe joint (10), lower piston (15) is on the lower linked hole (21), upper piston (12) is under the linked hole (20), upper piston (12) outer wall is installed lock ring (13), lock ring groove (19) is arranged on the cylinder body (14), lock ring groove (19) is on the lock ring (13), lock ring groove (19) can cooperate with lock ring (13), arrive down the open hole well sealing behind the position, inwardly water filling, injected water flow in the cylinder body (14) from upper linked hole (20) first, again in one way valve (11) enters outer packing element (5), the rubber (6) that rises of splashing is met to splash behind the water and is risen, make the shaft bottom of outer packing element (5) expansion sealing barefoot completion, one way valve (11) can not flow out the rubber (6) that rises of splashing, outer packing element (5) keeps expansion state, continue to boost, pressure imports into from lower linked hole (21), make lower piston (15) produce upwards thrust, cut off pin (18), it is up that lower piston (15) promotes upper piston (12), linked hole (20) in upper piston (12) sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010269310 CN101915070B (en) | 2010-08-23 | 2010-08-23 | Expanding open hole packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010269310 CN101915070B (en) | 2010-08-23 | 2010-08-23 | Expanding open hole packer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101915070A CN101915070A (en) | 2010-12-15 |
| CN101915070B true CN101915070B (en) | 2013-01-23 |
Family
ID=43322684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010269310 Expired - Fee Related CN101915070B (en) | 2010-08-23 | 2010-08-23 | Expanding open hole packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101915070B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094591A (en) * | 2011-03-15 | 2011-06-15 | 东营市兆鑫工贸有限责任公司 | Fracturing packer for barefoot well |
| CN102094592A (en) * | 2011-03-15 | 2011-06-15 | 东营市兆鑫工贸有限责任公司 | Open hole well packer |
| CN103670327B (en) * | 2014-01-02 | 2016-08-17 | 四川省威尔敦化工有限公司 | A kind of level Four compression packer being applicable under High Temperature High Pressure execution conditions |
| CN113338839A (en) * | 2021-06-15 | 2021-09-03 | 中石化石油工程技术服务有限公司 | Self-locking type oil and gas well open hole section packing well completion device |
| CN114320214B (en) * | 2021-12-29 | 2022-06-07 | 东营市兆鑫工贸有限责任公司 | Packer for producing and injecting steam |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2616668Y (en) * | 2003-04-18 | 2004-05-19 | 阜新市石油工具厂 | Throw-dreg-free waterflooding packer |
| CN2784580Y (en) * | 2004-12-21 | 2006-05-31 | 中国石化胜利油田有限公司采油工艺研究院 | Hydraulic locking packer |
| CN200971766Y (en) * | 2006-10-02 | 2007-11-07 | 杨东城 | Flushing packer |
| CN201159064Y (en) * | 2008-02-29 | 2008-12-03 | 大庆油田有限责任公司 | Minor diameter expanding type washable well zonal injection packer |
| CN201221335Y (en) * | 2008-07-08 | 2009-04-15 | 东营市祥生工贸有限责任公司 | Water injection packer |
| CN201778748U (en) * | 2010-08-23 | 2011-03-30 | 东营市兆鑫工贸有限责任公司 | Expanding open-hole packer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7011153B2 (en) * | 2003-12-23 | 2006-03-14 | Schlumberger Technology Corporation | Hydraulically released inflation tool for permanent bridge plug |
-
2010
- 2010-08-23 CN CN 201010269310 patent/CN101915070B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2616668Y (en) * | 2003-04-18 | 2004-05-19 | 阜新市石油工具厂 | Throw-dreg-free waterflooding packer |
| CN2784580Y (en) * | 2004-12-21 | 2006-05-31 | 中国石化胜利油田有限公司采油工艺研究院 | Hydraulic locking packer |
| CN200971766Y (en) * | 2006-10-02 | 2007-11-07 | 杨东城 | Flushing packer |
| CN201159064Y (en) * | 2008-02-29 | 2008-12-03 | 大庆油田有限责任公司 | Minor diameter expanding type washable well zonal injection packer |
| CN201221335Y (en) * | 2008-07-08 | 2009-04-15 | 东营市祥生工贸有限责任公司 | Water injection packer |
| CN201778748U (en) * | 2010-08-23 | 2011-03-30 | 东营市兆鑫工贸有限责任公司 | Expanding open-hole packer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101915070A (en) | 2010-12-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130823 |