CN204283318U - High temperature high voltage resistant tubing packer - Google Patents
High temperature high voltage resistant tubing packer Download PDFInfo
- Publication number
- CN204283318U CN204283318U CN201420695619.4U CN201420695619U CN204283318U CN 204283318 U CN204283318 U CN 204283318U CN 201420695619 U CN201420695619 U CN 201420695619U CN 204283318 U CN204283318 U CN 204283318U
- Authority
- CN
- China
- Prior art keywords
- central tube
- overcoat
- packing element
- piston
- protection block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000012856 packing Methods 0.000 claims abstract description 27
- 241000239290 Araneae Species 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009970 fire resistant effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of high temperature high voltage resistant tubing packer of one-way slip bidirectional bearing, comprising: the top connection be connected with oil pipe and lower contact, be threaded central tube between described top connection and lower contact; The middle part of top connection, lower contact and central tube is provided with the cavity be interconnected; The outer upper end of described central tube be disposed with from top to bottom protect block, upper cone, on packing element, middle packing element, lower rubber cylinder, lower cone, lower protection block; The outer middle side part of described central tube is provided with lower protection block Connection Block and upper overcoat, the outer lower portion of described central tube is provided with slip spider and lower overcoat.Advantage is: one-way slip bidirectional bearing, and structure is simple, and be convenient to deblocking, slips is not with tooth not hinder sleeve pipe, adopts novel fire resistant high pressure packing element, good sealing effect.
Description
Technical field
The utility model relates to a kind of drilling equipment, particularly relates to a kind of high temperature high voltage resistant tubing packer.
Background technology
At oil recovery process of going into the well in order to prevent the sleeve pipe oil-feed be arranged on outside oil pipe, oil pipe can connect high temperature high voltage resistant tubing packer to realize packing sealing.Existing high temperature high voltage resistant tubing packer in order to realize bidirectional bearing be all the bi-directional slip that adopts to realize bidirectional bearing, be only provided with one caulking gum cylinder, sealing effectiveness is bad, complicated structure, is difficult to separately during deblocking.
Utility model content
Technical problem to be solved in the utility model is: the high temperature high voltage resistant tubing packer providing a kind of one-way slip bidirectional bearing.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: high temperature high voltage resistant tubing packer, and it comprises: the top connection be connected with oil pipe and lower contact, and be threaded central tube between described top connection and lower contact, the middle part of top connection, lower contact and central tube is provided with the cavity be interconnected, the outer upper end of described central tube be disposed with from top to bottom protect block, upper cone, on packing element, middle packing element, lower rubber cylinder, lower cone, lower protection block, on described, be respectively arranged with spacer ring between packing element and middle packing element, between middle packing element and lower rubber cylinder, described upper protection block is connected with described top connection by the first pin, the outer middle side part of described central tube is provided with lower protection block Connection Block and upper overcoat, described central tube and described on be provided with dynamic piston and fixed piston between overcoat, between described dynamic piston and fixed piston, be provided with cavity of intaking, described central tube is provided with cavity with on to intake the upper inlet opening that cavity is connected, the outer lower portion of described central tube is provided with slip spider and lower overcoat, lower piston is provided with between described central tube and described lower overcoat, lower water inlet cavity is provided with between described lower piston and lower contact, described central tube is provided with the lower inlet opening be connected with lower water inlet cavity with cavity, spring plenum length is provided with between described lower piston and slip spider, spring is provided with in spring plenum length, thrust sleeve one and thrust sleeve two, described thrust sleeve one is arranged between thrust sleeve two and described spring, described thrust sleeve one offsets with the lower end of described slip spider, the upper end of described spring and the lower end of described slip spider offset, the lower end of described spring and the upper end of described lower piston offset, described thrust sleeve two upper end is threaded with the cone being arranged on described upper overcoat lower end, described slip spider is provided with by shear pin the slips that to cooperatively interact with described cone, the upper end of described upper overcoat is connected by the lower end of the second pin with described lower protection block Connection Block, the lower end of described lower overcoat is connected with the upper end of described lower contact by the 3rd pin, the lower end of described lower protection block is connected by the upper end of the 4th pin with described lower protection block Connection Block.
The utility model has the advantages that: above-mentioned high temperature high voltage resistant tubing packer, one-way slip bidirectional bearing, structure is simple, and be convenient to deblocking, slips is not with tooth not hinder sleeve pipe, adopts novel fire resistant high pressure packing element, good sealing effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model high temperature high voltage resistant tubing packer.
In figure: 1, top connection, 2, lower contact, 3, central tube, 4, cavity, 5, upper protection block, 6, upper cone, 7, upper packing element, 8, middle packing element, 9, lower rubber cylinder, 10, lower cone, 11, lower protection block, 12, spacer ring, 13, first pin, 14, lower protection block Connection Block, 15, upper overcoat, 16, dynamic piston, 17, fixed piston, 18, upper water inlet cavity, 19, upper inlet opening, 20, slip spider, 21, lower overcoat, 22, lower piston, 23, lower water inlet cavity, 24, lower inlet opening, 25, spring plenum length, 26, spring, 27, thrust sleeve one, 28, thrust sleeve two, 29, cone, 30, shear pin, 31, slips, 32, second pin, 33, 3rd pin, 34, 3rd pin.
Detailed description of the invention
Particular content of the present utility model is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, high temperature high voltage resistant tubing packer, comprising: the top connection 1 be connected with oil pipe and lower contact 2, and be threaded central tube 3 between described top connection 1 and lower contact 2, the middle part of top connection 1, lower contact 2 and central tube 3 is provided with the cavity 4 be interconnected, the outer upper end of described central tube 3 be disposed with from top to bottom protect block 5, upper cone 6, on packing element 7, middle packing element 8, lower rubber cylinder 9, lower cone 10, lower protection block 11, on described, be respectively arranged with spacer ring 12 between packing element 7 and middle packing element 8, between middle packing element 8 and lower rubber cylinder 9, described upper protection block 5 is connected with described top connection 1 by the first pin 13, the outer middle side part of described central tube 3 is provided with lower protection block Connection Block 14 and upper overcoat 15, described central tube 3 and described on be provided with dynamic piston 16 and fixed piston 17 between overcoat 15, between described dynamic piston 16 and fixed piston 17, be provided with cavity 18 of intaking, described central tube 3 is provided with cavity 4 with on to intake the upper inlet opening 19 that cavity 18 is connected, the outer lower portion of described central tube 3 is provided with slip spider 20 and lower overcoat 21, lower piston 22 is provided with between described central tube 3 and described lower overcoat 21, lower water inlet cavity 23 is provided with between described lower piston 22 and lower contact 2, described central tube 3 is provided with the lower inlet opening 24 be connected with lower water inlet cavity 23 with cavity 4, spring plenum length 25 is provided with between described lower piston 22 and slip spider 20, spring 26 is provided with in spring plenum length 25, thrust sleeve 1 and thrust sleeve 2 28, described thrust sleeve 1 is arranged between thrust sleeve 2 28 and described spring 26, described thrust sleeve 1 offsets with the lower end of described slip spider 20, the upper end of described spring 26 and the lower end of described slip spider 20 offset, the lower end of described spring 26 and the upper end of described lower piston 22 offset, described thrust sleeve 2 28 upper end is threaded with the cone 29 being arranged on described upper overcoat 15 lower end, described slip spider 20 is provided with by shear pin 30 slips 31 that to cooperatively interact with described cone 29, the upper end of described upper overcoat 15 is connected by the lower end of the second pin 32 with described lower protection block Connection Block 14, the lower end of described lower overcoat 21 is connected by the upper end of the 3rd pin 33 with described lower contact 2, the lower end of described lower protection block 11 is connected by the upper end of the 4th pin 34 with described lower protection block Connection Block 14.
When above-mentioned high temperature high voltage resistant tubing packer uses, water enters the upper inlet opening 19 and lower inlet opening 24 that are interconnected with it by cavity 4, water enters lower water inlet cavity 23 by lower inlet opening 24 and promotes lower piston 22 Compress Spring 26, spring 26 promotes slip spider 20, when reaching certain pressure, shear pin 30 is cut off by slip spider 20, thus promotes slips 31 and move upward and to cooperatively interact with cone 29.Water enters upper water inlet cavity 18 by upper inlet opening 19, thus promotes dynamic piston 16 and fixed piston 17, thus promotion cone 29 closely cooperates more with slip spider 20.Slips 31 promotes cone 29, upper overcoat 15, lower protection block Connection Block 14, lower protection block 11, lower cone 10 thus carry out compression-expansion to lower rubber cylinder 9, middle packing element 8, upper packing element 7, and the sleeve pipe outside itself and oil pipe is sealed mutually.
Above-mentioned high temperature high voltage resistant tubing packer, one-way slip bidirectional bearing, structure is simple, and be convenient to deblocking, slips is not with tooth not hinder sleeve pipe, and upper packing element 7, middle packing element 8 and lower rubber cylinder 9 adopt novel fire resistant high pressure packing element, good sealing effect.
Claims (1)
1. high temperature high voltage resistant tubing packer, is characterized in that: comprising: the top connection (1) be connected with oil pipe and lower contact (2), and be threaded central tube (3) between described top connection (1) and lower contact (2); The middle part of top connection (1), lower contact (2) and central tube (3) is provided with the cavity (4) be interconnected; Upper protection block (5), upper cone (6), upper packing element (7), middle packing element (8), lower rubber cylinder (9), lower cone (10), lower protection block (11) is disposed with from top to bottom in the outer upper end of described central tube (3), on described, be respectively arranged with spacer ring (12) between packing element (7) and middle packing element (8), between middle packing element (8) and lower rubber cylinder (9), described upper protection block (5) is connected with described top connection (1) by the first pin (13); The outer middle side part of described central tube (3) is provided with lower protection block Connection Block (14) and upper overcoat (15), dynamic piston (16) and fixed piston (17) is provided with between described central tube (3) and described upper overcoat (15), between described dynamic piston (16) and fixed piston (17), be provided with upper water inlet cavity (18), described central tube (3) is provided with the upper inlet opening (19) be connected with upper water inlet cavity (18) with cavity (4); the outer lower portion of described central tube (3) is provided with slip spider (20) and lower overcoat (21), lower piston (22) is provided with between described central tube (3) and described lower overcoat (21), lower water inlet cavity (23) is provided with between described lower piston (22) and lower contact (2), described central tube (3) is provided with the lower inlet opening (24) be connected with lower water inlet cavity (23) with cavity (4), spring plenum length (25) is provided with between described lower piston (22) and slip spider (20), spring (26) is provided with in spring plenum length (25), thrust sleeve one (27) and thrust sleeve two (28), described thrust sleeve one (27) is arranged between thrust sleeve two (28) and described spring (26), described thrust sleeve one (27) offsets with the lower end of described slip spider (20), the upper end of described spring (26) and the lower end of described slip spider (20) offset, the lower end of described spring (26) and the upper end of described lower piston (22) offset, described thrust sleeve two (28) upper end is threaded with the cone (29) being arranged on described upper overcoat (15) lower end, described slip spider (20) is provided with by shear pin (30) slips (31) that to cooperatively interact with described cone (29), the upper end of described upper overcoat (15) is connected by the lower end of the second pin (32) with described lower protection block Connection Block (14), the lower end of described lower overcoat (21) is connected with the upper end of described lower contact (2) by the 3rd pin (33), the lower end of described lower protection block (11) is connected by the upper end of the 4th pin (34) with described lower protection block Connection Block (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420695619.4U CN204283318U (en) | 2014-11-19 | 2014-11-19 | High temperature high voltage resistant tubing packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420695619.4U CN204283318U (en) | 2014-11-19 | 2014-11-19 | High temperature high voltage resistant tubing packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283318U true CN204283318U (en) | 2015-04-22 |
Family
ID=52866493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420695619.4U Withdrawn - After Issue CN204283318U (en) | 2014-11-19 | 2014-11-19 | High temperature high voltage resistant tubing packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283318U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389548A (en) * | 2014-11-19 | 2015-03-04 | 江苏省金峰石油机械制造有限公司 | High temperature and high pressure resistance tubing packer |
| CN110685625A (en) * | 2019-11-01 | 2020-01-14 | 辽宁新华仪器有限公司 | Hydraulic anti-jack and anti-drop tool |
-
2014
- 2014-11-19 CN CN201420695619.4U patent/CN204283318U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389548A (en) * | 2014-11-19 | 2015-03-04 | 江苏省金峰石油机械制造有限公司 | High temperature and high pressure resistance tubing packer |
| CN110685625A (en) * | 2019-11-01 | 2020-01-14 | 辽宁新华仪器有限公司 | Hydraulic anti-jack and anti-drop tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104389548B (en) | High temperature high voltage resistant tubing packer | |
| CN105114027B (en) | A kind of anti-shoulder compression packer of flexible self sealss | |
| CN203685115U (en) | Rubber tube protruding prevention ring for permanent packer | |
| CN207296937U (en) | Hydraulic tubing anchoring device for high-pressure oil and gas wells | |
| CN204283318U (en) | High temperature high voltage resistant tubing packer | |
| CN202706984U (en) | Insertion pipe bridge plug of fast change layer | |
| CN203594402U (en) | Oil tube plugging device | |
| CN209129576U (en) | A kind of big orifice cable-passing packer | |
| CN201650203U (en) | Double rubber-barrel isolation packer | |
| CN203808920U (en) | A small-diameter long rubber-tube expandable packer | |
| CN202954776U (en) | Locating sealing device applied to horizontal water injection well layered seal and capable of back flushing and back injecting | |
| CN202417410U (en) | Well washing packer | |
| CN201802348U (en) | Removable internal oil tube stopper | |
| CN202850935U (en) | Y521 packer | |
| CN201031647Y (en) | Stop production well head packer | |
| CN204060611U (en) | A kind of open hole well squeezes stifled compression long packing element type hydraulic packer | |
| CN201916170U (en) | oil well pump | |
| CN202325383U (en) | Drag fracturing packer for horizontal well | |
| CN202970623U (en) | One-way oil drain | |
| CN202108477U (en) | Plunger Drainage Gas Production Wellhead Buffer | |
| CN201184167Y (en) | Inverse well-flushing valve | |
| CN203961891U (en) | A kind of suspension type well-control pressure-testing plug | |
| CN205025417U (en) | Hydraulic cylinder water injection packer | |
| CN201027509Y (en) | Annulus compression fracture hanger | |
| CN203925402U (en) | A compression packer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20160914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |