CN204920893U - Big latus rectum sand control high temperature high pressure expanding packer - Google Patents
Big latus rectum sand control high temperature high pressure expanding packer Download PDFInfo
- Publication number
- CN204920893U CN204920893U CN201520380844.3U CN201520380844U CN204920893U CN 204920893 U CN204920893 U CN 204920893U CN 201520380844 U CN201520380844 U CN 201520380844U CN 204920893 U CN204920893 U CN 204920893U
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- seal groove
- sand control
- packer
- barrel
- screw thread
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Abstract
The utility model discloses a big latus rectum sand control high temperature high pressure expanding packer, including the packer main part, center tube and lower clutch, a pot head is equipped with the packer main part and passes through screw fixed connection on the center tube, another pot head is equipped with the lower clutch and passes through screw fixed connection, the well pot head of center tube is equipped with a high -temperature glue section of thick bamboo, be equipped with two -layer high -elastic steel wire at least in the high -temperature glue section of thick bamboo, it locates on the center tube with lower barrel cover to go up the barrel, it is equipped with connecting thread with lower barrel internal surface to go up the barrel, go up barrel one end and pass through threaded connection with the packer main part, the other end passes through threaded connection with a high -temperature glue section of thick bamboo, down barrel one end and high -temperature glue section of thick bamboo fixed connection, the other end passes through threaded connection with the lower clutch, is equipped with high density sand control net in the lower clutch, and the cover is equipped with the float head on the lower clutch, and the surface of float head is equipped with the screw thread, and the surface of float head is equipped with the internal surface screw thread looks adaptation of screw thread and lower barrel (8). The utility model has the advantages of stable in structure, the big just sand control of discharge capacity.
Description
Technical field
The utility model belongs to oil extraction in oil field instrument, relates generally to the big orifice huge discharge HTHP inflatable packer used in the pressing crack construction for heavy crude reservoir, high pour point oil reservoir.
Background technology
China's waterflooding oil field average recovery ratio is only 32%, has the oil in place of 68% to rely on conventional development technique to be difficult to extraction, needs to rely on new technology could improve oil recovery rate further.Many employings fracturing packer during current oil field compression fracture operation, because existing fracturing packer latus rectum is smaller, during pressure break, discharge capacity is inadequate, cause constructional difficulties, pressure break falls flat, and therefore, we have developed big orifice sand control HTHP inflatable packer.
Summary of the invention
The purpose of this utility model is to provide the large and HTHP inflatable packer of sand control of a kind of Stability Analysis of Structures, discharge capacity.
In order to solve the problem, the utility model discloses a kind of big orifice sand control HTHP inflatable packer, comprise packer body, central tube and lower contact, on central tube, one end is arranged with packer body and is fixedly connected with by screw thread, the other end is arranged with lower contact and is fixedly connected with by screw thread, the middle-end of central tube is arranged with high temperature packing element, at least two-layer high-elastic steel wire is provided with in high temperature packing element, upper shell and lower shell are sheathed on central tube, upper shell and lower shell inner surface are provided with connecting thread, upper shell one end and packer body are threaded connection, the other end and high temperature packing element are threaded connection, lower shell one end is fixedly connected with high temperature packing element, the other end and lower contact are threaded connection, and be provided with high density sand control screens, lower contact is arranged with air supported head in lower contact, the external surface of air supported head is provided with screw thread, and the inner surface screw thread that the external surface of air supported head is provided with screw thread and lower shell is suitable.
As further improvement of the utility model, lower shell is provided with screw hole, and anti-turn screw on screw hole, air supported head is fixedly connected with by anti-turn screw with lower shell.The junction of packer body and upper shell is provided with at least twice first seal groove, is provided with high-temperature seal ring in the first seal groove; The junction of lower contact and lower shell is provided with at least twice the 6th seal groove, is provided with high-temperature seal ring in the 6th seal groove.
As further improvement of the utility model, the junction of central tube and packer body is provided with at least twice second seal groove, is provided with high-temperature seal ring in the second seal groove; The junction of central tube and lower contact is provided with at least twice the 5th seal groove, is provided with high-temperature seal ring in the 5th seal groove.
As further improvement of the utility model, high temperature packing element and upper shell junction are provided with the 3rd seal groove, are provided with high-temperature seal ring in the 3rd seal groove, and high temperature packing element and lower shell junction are provided with the 4th seal groove, are provided with high-temperature seal ring in the 4th seal groove.
The utility model compared with prior art has the following advantages.
(1), each component of the utility model cooperatively interact, and when ensureing that flux is large and discharge capacity is large, ensure to set effect, and sealing is reliable, because the utility model is provided with high density sand control screens, can increase the service life, ensure the easy to use of instrument and continuation.
(2), the utility model central tube 4 adopts the city of alloy steel, and its case hardness is high, and have the advantage that shock-resistant, erosion and wear resistant damages, long service life, saves expenditure.
(3), high temperature packing element inside of the present utility model is provided with double-layer wire, has high resiliency, restoring force by force and the advantage of not easily explosion.
Accompanying drawing explanation
Fig. 1 is the structural representation of big orifice sand control HTHP inflatable packer of the present utility model.
In figure: 1-packer body, 2-upper shell, 3-high temperature packing element, 4-central tube, 5-lower contact, 6-high density sand control screens, 7-air supported head, 8-lower shell, 9-first seal groove, 10-second seals, 11-the 3rd seal groove, 12-the 4th seal groove, 13-the 5th seal groove, 14-the 6th seal groove, 15-anti-turn screw.
Detailed description of the invention
Below in conjunction with drawings and Examples, explanation is further explained to the utility model.
As shown in Figure 1, a kind of big orifice sand control HTHP inflatable packer, it is characterized in that: comprise packer body 1, central tube 4 and lower contact 5, on central tube 4, one end is arranged with packer body 1 and is fixedly connected with by screw thread, the other end is arranged with lower contact 5 and is fixedly connected with by screw thread, the middle-end of central tube 4 is arranged with high temperature packing element 3, at least two-layer high-elastic steel wire is provided with in high temperature packing element 3, upper shell 2 and lower shell 8 are sheathed on central tube 4, upper shell 2 and lower shell 8 inner surface are provided with connecting thread, upper shell 2 one end and packer body 1 are threaded connection, the other end and high temperature packing element 3 are threaded connection, lower shell 8 one end is fixedly connected with high temperature packing element 3, the other end and lower contact 5 are threaded connection, high density sand control screens 6 is provided with in lower contact 5, lower contact 5 is arranged with air supported head 7, the external surface of air supported head 7 is provided with screw thread, and the inner surface screw thread that the external surface of air supported head 7 is provided with screw thread and lower shell 8 is suitable.
Lower shell 8 is provided with screw hole, and anti-turn screw 15 on screw hole, air supported head 7 is fixedly connected with by anti-turn screw 15 with lower shell 8.Packer body 1 is provided with in twice first seal groove 9, first seal groove 9 with the junction of upper shell 2 and is provided with high-temperature seal ring; Lower contact 5 is provided with in twice the 6th seal groove the 14, six seal groove 14 with the junction of lower shell 8 and is provided with high-temperature seal ring.Central tube 4 is provided with in twice second seal groove 10, second seal groove 10 with the junction of packer body 1 and is provided with high-temperature seal ring; Central tube 4 is provided with in twice the 5th seal groove the 13, five seal groove 13 with the junction of lower contact 5 and is provided with high-temperature seal ring.High temperature packing element 3 and upper shell 2 junction are provided with in the 3rd seal groove the 11, three seal groove 11 and are provided with high-temperature seal ring, and high temperature packing element 3 and lower shell 8 junction are provided with in the 4th seal groove the 12, four seal groove 12 and are provided with high-temperature seal ring.
Utility model works principle is by overall for packer position, G.I.H top of oil horizon, packer master 1 and oil pipe are threaded connection, from oil pipe water filling, only need a little pressure just can set completely in packer, make it be adjacent to sleeve pipe and set, thus reach the object of Seal Oil casing annulus.
Foregoing is example of the present utility model and explanation; but do not mean that the obtainable advantage of the utility model is so limited, may to wherein one or more of the advantage realized in the simple transformation of structure and/or some embodiments all in the protection domain of the application in every the utility model practice process.
Claims (5)
1. a big orifice sand control HTHP inflatable packer, it is characterized in that: comprise packer body (1), central tube (4) and lower contact (5), the upper one end of central tube (4) is arranged with packer body (1) and is fixedly connected with by screw thread, the other end is arranged with lower contact (5) and is fixedly connected with by screw thread, the middle-end of central tube (4) is arranged with high temperature packing element (3), at least two-layer high-elastic steel wire is provided with in high temperature packing element (3), upper shell (2) and lower shell (8) are sheathed on central tube (4), upper shell (2) and lower shell (8) inner surface are provided with connecting thread, upper shell (2) one end and packer body (1) are threaded connection, the other end and high temperature packing element (3) are threaded connection, lower shell (8) one end is fixedly connected with high temperature packing element (3), the other end and lower contact (5) are threaded connection, high density sand control screens (6) is provided with in lower contact (5), lower contact (5) is arranged with air supported head (7), the external surface of air supported head (7) is provided with screw thread, and the inner surface screw thread that the external surface of air supported head (7) is provided with screw thread and lower shell (8) is suitable.
2. big orifice sand control HTHP inflatable packer according to claim 1, it is characterized in that: lower shell (8) is provided with screw hole, anti-turn screw (15) on screw hole, air supported head (7) is fixedly connected with by anti-turn screw (15) with lower shell (8).
3. big orifice sand control HTHP inflatable packer according to claim 1, it is characterized in that: packer body (1) is provided with at least twice first seal groove (9) with the junction of upper shell (2), and the first seal groove is provided with high-temperature seal ring in (9); Lower contact (5) is provided with at least twice the 6th seal groove (14) with the junction of lower shell (8), is provided with high-temperature seal ring in the 6th seal groove (14).
4. big orifice sand control HTHP inflatable packer according to claim 1, it is characterized in that: central tube (4) is provided with at least twice second seal groove (10) with the junction of packer body (1), and the second seal groove is provided with high-temperature seal ring in (10); Central tube (4) is provided with at least twice the 5th seal groove (13) with the junction of lower contact (5), is provided with high-temperature seal ring in the 5th seal groove (13).
5. big orifice sand control HTHP inflatable packer according to claim 1, it is characterized in that: high temperature packing element (3) and upper shell (2) junction are provided with the 3rd seal groove (11), high-temperature seal ring is provided with in 3rd seal groove (11), high temperature packing element (3) and lower shell (8) junction are provided with the 4th seal groove (12), are provided with high-temperature seal ring in the 4th seal groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520380844.3U CN204920893U (en) | 2015-06-05 | 2015-06-05 | Big latus rectum sand control high temperature high pressure expanding packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520380844.3U CN204920893U (en) | 2015-06-05 | 2015-06-05 | Big latus rectum sand control high temperature high pressure expanding packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204920893U true CN204920893U (en) | 2015-12-30 |
Family
ID=54970030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520380844.3U Expired - Fee Related CN204920893U (en) | 2015-06-05 | 2015-06-05 | Big latus rectum sand control high temperature high pressure expanding packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204920893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627763A (en) * | 2020-12-11 | 2021-04-09 | 中国石油集团渤海钻探工程有限公司 | Floating expansion type packer |
-
2015
- 2015-06-05 CN CN201520380844.3U patent/CN204920893U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627763A (en) * | 2020-12-11 | 2021-04-09 | 中国石油集团渤海钻探工程有限公司 | Floating expansion type packer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20190605 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |