CN201778748U - Expanding open-hole packer - Google Patents
Expanding open-hole packer Download PDFInfo
- Publication number
- CN201778748U CN201778748U CN2010205126253U CN201020512625U CN201778748U CN 201778748 U CN201778748 U CN 201778748U CN 2010205126253 U CN2010205126253 U CN 2010205126253U CN 201020512625 U CN201020512625 U CN 201020512625U CN 201778748 U CN201778748 U CN 201778748U
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- China
- Prior art keywords
- joint
- cylinder
- rubber cylinder
- packing element
- piston
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- Expired - Fee Related
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Abstract
Disclosed is an expanding open-hole packer. An upper joint is connected with the upper portion of an inner tube. An upper rubber cylinder joint, an outer rubber cylinder, a lower rubber cylinder joint are vulcanized into a whole to be sleeved outside the inner tube. An upper rubber cylinder sheath is connected with the upper rubber cylinder joint. A lower rubber cylinder sheath is connected with the lower rubber cylinder joint. Expansion rubber is filled into the outer rubber cylinder. The inner tube, an inner tube joint and a lower joint are sequentially connected. The lower portion of a seal sleeve is connected with the upper portion of a cylinder. The cylinder is sleeved outside the inner tube joint and the lower joint and is fixed onto the lower by the aid of a connection dowel. An upper piston and a lower piston are installed between the cylinder and the inner tube joint. A check valve is mounted at the upper end of the cylinder. The lower piston is fixed onto the inner tube joint by the aid of a shearing dowel. An upper communicating hole and a lower communicating hole are arranged on the inner tube joint. A locking ring is installed on the outer wall of the upper piston. A locking ring groove is arranged on the cylinder. The expansion rubber expands when meeting water so that the outer rubber cylinder expands to seal a shaft bottom of an open-hole completion, and the check valve and the locking ring enable the outer cylinder to stay in an expansion state permanently. Therefore, the expanding open-hole packer meets requirements on permanently packing shaft bottoms of open-hole wells of oil fields.
Description
Technical field
The utility model is the packer of using at the bottom of the permanent plugged well in oil field, 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 at the bottom of the permanent plugged well in oil field, the inflatable packer that has is provided with unidirectional 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 at the bottom of the permanent plugged well in oil field.
Summary of the invention
The purpose of this utility model provides a kind of expanding open hole packer, is applicable to the requirement at the bottom of the permanent plugged well in oil field.
The purpose of this utility model is achieved in that by top connection, last packing element sheath, gluing socket joint head, interior pipe, outer packing element, expanded rubber, 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 interior pipe top, gluing socket joint head, outer packing element, the lower rubber cylinder joint is sulfided into one, last packing element sheath is connected with gluing socket joint head, last packing element sheath covers 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, expanded rubber is packed in the outer packing element, last packing element sheath, gluing socket joint head, outer packing element, expanded rubber, the lower rubber cylinder sheath, the lower rubber cylinder joint is sleeved on outside the interior pipe after being assembled into one, inner pipe joint top is connected with interior pipe 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, last linked hole and following linked hole are arranged on the inner pipe joint, lower piston is on the following 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 beneficial effects of the utility model are: expanded rubber expands after meeting water, make the shaft bottom of outer packing element expansion sealing barefoot completion, one way valve and lock ring make outer packing element forever be in expansion state, and therefore, the utility model is applicable to the requirement at the bottom of the permanent plugged well of oil field open hole well.
Description of drawings
Accompanying drawing 1 is a structure assembling drawing of the present utility model.
The specific embodiment
1 couple of embodiment of the present utility model describes below in conjunction with accompanying drawing.
As shown in the figure, embodiment of the present utility model is by top connection 1, last packing element sheath 2, gluing socket joint head 3, interior pipe 4, outer packing element 5, expanded rubber 6, 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 interior pipe 4 tops, gluing socket joint head 3, outer packing element 5, lower rubber cylinder joint 8 is sulfided into one, last packing element sheath 2 is connected with gluing socket joint head 3, last 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, expanded rubber 6 is packed in the outer packing element 5, last packing element sheath 2, gluing socket joint head 3, outer packing element 5, expanded rubber 6, lower rubber cylinder sheath 7, lower rubber cylinder joint 8 is sleeved on outside the interior pipe 4 after being assembled into one, inner pipe joint 10 tops are connected with interior pipe 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, last linked hole 20 and following linked hole 21 are arranged on the inner pipe joint 10, lower piston 15 is on the following 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.
The utility model seals behind the position to open hole well down, inwardly water filling, injecting water flow in the cylinder body 14 from last linked hole 20 earlier, again outside one way valve 11 enters in the packing element 5, expand after expanded rubber 6 is met water, make the shaft bottom of outer packing element 5 expansion sealing barefoot completions, one way valve 11 can not flow out expanded rubber 6, outer packing element 5 keeps expansion state, continue to boost, pressure imports into from following 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, and linked hole 20 is gone up in upper piston 12 sealings, upper piston 12 and by the lock ring locking, expanded rubber 6 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), last packing element sheath (2), gluing socket joint head (3), interior pipe (4), outer packing element (5), expanded rubber (6), 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 interior pipe (4) top, gluing socket joint head (3), outer packing element (5), lower rubber cylinder joint (8) is sulfided into one, last packing element sheath (2) is connected with gluing socket joint head (3), last 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, expanded rubber (6) is packed in the outer packing element (5), last packing element sheath (2), gluing socket joint head (3), outer packing element (5), expanded rubber (6), lower rubber cylinder sheath (7), lower rubber cylinder joint (8) is sleeved on outside the interior pipe (4) after being assembled into one, inner pipe joint (10) top is connected with interior pipe (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), last linked hole (20) and following linked hole (21) are arranged on the inner pipe joint (10), lower piston (15) is on the following 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), and lock ring groove (19) can cooperate with lock ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205126253U CN201778748U (en) | 2010-08-23 | 2010-08-23 | Expanding open-hole packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205126253U CN201778748U (en) | 2010-08-23 | 2010-08-23 | Expanding open-hole packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201778748U true CN201778748U (en) | 2011-03-30 |
Family
ID=43791961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205126253U Expired - Fee Related CN201778748U (en) | 2010-08-23 | 2010-08-23 | Expanding open-hole packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201778748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915070A (en) * | 2010-08-23 | 2010-12-15 | 东营市兆鑫工贸有限责任公司 | Expanding open hole packer |
| CN111791457A (en) * | 2020-09-09 | 2020-10-20 | 东营鑫华莲石油机械有限公司 | External packer for casing |
-
2010
- 2010-08-23 CN CN2010205126253U patent/CN201778748U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915070A (en) * | 2010-08-23 | 2010-12-15 | 东营市兆鑫工贸有限责任公司 | Expanding open hole packer |
| CN101915070B (en) * | 2010-08-23 | 2013-01-23 | 东营市兆鑫工贸有限责任公司 | Expanding open hole packer |
| CN111791457A (en) * | 2020-09-09 | 2020-10-20 | 东营鑫华莲石油机械有限公司 | External packer for casing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110330 Termination date: 20130823 |