CN201738868U - Double-group sealed high-pressure water-injection packer - Google Patents
Double-group sealed high-pressure water-injection packer Download PDFInfo
- Publication number
- CN201738868U CN201738868U CN201020507409XU CN201020507409U CN201738868U CN 201738868 U CN201738868 U CN 201738868U CN 201020507409X U CN201020507409X U CN 201020507409XU CN 201020507409 U CN201020507409 U CN 201020507409U CN 201738868 U CN201738868 U CN 201738868U
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- China
- Prior art keywords
- friction
- connector
- hydraulic anchor
- packing element
- slips
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- 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.)
- Expired - Fee Related
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- 238000002347 injection Methods 0.000 title claims abstract description 19
- 239000007924 injection Substances 0.000 title claims abstract description 19
- 238000012856 packing Methods 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 241000239290 Araneae Species 0.000 claims description 14
- 241000935974 Paralichthys dentatus Species 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 241000219112 Cucumis Species 0.000 claims 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 claims 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a double-group sealed high-pressure water-injection packer, which comprises an upper joint, a hydraulic anchor body, an upper central pipe, rubber barrel groups, a connecting head, a slip, a lower central pipe and a friction reversing body, wherein the upper central pipe is sleeved at the upper end of the connecting head, a central-pipe cable cap, the rubber barrel group, a sealed connecting sleeve and the connecting head are sequentially sleeved outside the upper central pipe, the rubber barrel group is arranged between the hydraulic anchor body and the connecting head, a central-pipe locking sleeve is arranged between the rubber barrel group and the hydraulic anchor body, and the upper end of the hydraulic anchor body is connected with the upper joint; and the lower central pipe is locked at the lower end of the connecting head, the central-pipe locking sleeve is sleeved at the lower end of the connecting head, the rubber barrel group, the slip and the friction reversing body are sequentially sleeved outside the lower central pipe, the rubber barrel is arranged at the lower end of the connecting head, the friction reversing body is arranged at the tail end of the lower central pipe, and the slip is arranged between the rubber barrel group and the friction reversing body. The utility model has the advantages of reliable sealing performance, high packing success ratio and long effective service life.
Description
Technical field
The utility model relates to a kind of seal pack device, especially is mainly used in oil field high pressure dispensing, also can be used for a kind of two group sealed high pressure water injection packers of technological measures such as formation testing by layer, oil recovery, water detection, water blockoff, pressure break, acidifying and sand control.
Background technology
Like product is a Y221 series packer in the market, and it is to be fixed by one-way slip, transfer compression and set, and the compression packer of upper lifting pipe post deblocking, advantage is can repeat to set, and is fit to look for Lou, tests that cover etc. repeatedly sets, the deblocking measure; Defective is: one, set reliably inadequately, well commutates more deeply and sets just more difficult; Two, the packing area is little, and the construction success rate is low, particularly seals the position that makes the casing wall damage to repeatedly blocking, poor sealing performance, and the construction success rate is low.
The utility model content
The purpose of this utility model provides a kind of two group sealed high pressure water injection packer, not only solved above-mentioned set reliable inadequately, the packing area is little, the low shortcoming of construction success rate, and, increased packing position and packing area between packing element and the casing wall owing to adopted upper and lower two cover packing element groups, therefore have good seal performance, packing success rate height, advantage such as effective life is long.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of two group sealed high pressure water injection packer, comprise top connection, hydraulic anchor body, packing element group, connector, slips, upper center tube, friction commutation body and lower center tube, described connector upper end is by sealed adapter sleeve socket upper center tube, described upper center tube is socket central tube rope cap, packing element group, sealed adapter sleeve and connector successively outward, the packing element group is arranged in the water between the anchor body and connector, be provided with the central tube lock tube of interlocking on the hydraulic anchor body between packing element group and the hydraulic anchor body, the socket top connection of hydraulic anchor body upper end; Described connector lower end is by central tube lock nut interlocking lower center tube, the central tube lock nut is socketed in the connector lower end, described lower center tube is socket packing element group, slips and friction commutation body successively outward, described packing element group is arranged on the connector lower end, friction commutation body is arranged on the lower center tube end, between packing element group and the friction commutation body slips is set; In the packing element group at described connector two ends, be provided with the packing element spacer ring between packing element and packing element.
Described sealed adapter sleeve clamping connector areole is provided with the O RunddichtringO between described sealed adapter sleeve and the connector, be provided with flat key between sealed adapter sleeve and the connector, is provided with the O RunddichtringO between described sealed adapter sleeve and the upper center tube.
Be provided with the O RunddichtringO between described connector and the central tube lock nut, be provided with the O RunddichtringO between connector and the lower center tube.
Described hydraulic anchor side cinclides is nested with anchor fluke, and hydraulic anchor side cinclides is locked and connect the hydraulic anchor pressing plate, and the hydraulic anchor pressing plate is sealed in anchor fluke in the hydraulic anchor body sidewall, between described hydraulic anchor pressing plate and the anchor fluke spring is set; Be provided with the O RunddichtringO between described hydraulic anchor body lower end and the central tube lock tube, be provided with the O RunddichtringO between hydraulic anchor body and the upper center tube; Be provided with the O RunddichtringO between described hydraulic anchor side cinclides and the anchor fluke.
Described slips is fixed on the slip spider, slip spider upper end interlocking slip spider cover plate, described slips is provided with the slips caging bolt, slips lower end stationary slip stop collar, slips stop collar lower end cutting ferrule friction commutation body, friction commutation body lower end is provided with the friction commutator segment, the friction commutator segment is provided with flat spring, friction commutator segment upper end socket friction plate stop collar, friction commutator segment lower end socket friction plate swivel nut is provided with pin between friction commutator segment and the friction plate swivel nut.
The beneficial effect of two group sealed high pressure water injection packers described in the utility model is: adopted upper and lower two cover packing element groups, packing position and packing area between packing element and the casing wall have been increased, so good seal performance, packing success rate height, effective life, is long; Particularly to repeatedly blocking the well that envelope makes the casing wall damage be difficult to packing, because this packer adopts two cover packing element groups, two overlap independently setting mechanism, when one group of packing element group is damaged inefficacy, another packing element group is effectively sealing still, this dual fail-safe sealing device makes packer sealing more reliable, and construction has higher success rate.Setting mechanism adopts T type groove guide and limit telescopic slide six slips structures, and slips occlusal surface tungsten carbide button block teeth, therefore rotates oil pipe when setting, and mechanism's flexibility and reliability is limited by well depth no longer.For effectively preventing pressure break, squeeze activities medium such as stifled, sand control and enter hydraulic anchor areole deposition and make anchor fluke be difficult to return to cause the card accident of meeting that hydraulic anchor body inwall can also be inlayed anti-sandpipe, makes it have good sand control, anti-dirty, anti-sticking function.
Description of drawings
Fig. 1 is the structural representation of the described two group sealed high pressure water injection packers of the utility model embodiment;
Fig. 2 is the middle part schematic diagram of the described two group sealed high pressure water injection packers of the utility model embodiment;
Fig. 3 is the top schematic diagram of the described two group sealed high pressure water injection packers of the utility model embodiment;
Fig. 4 is the bottom schematic diagram of the described two group sealed high pressure water injection packers of the utility model embodiment.
Among the figure:
1, top connection; 2, hydraulic anchor body; 3, central tube lock nut; 4, packing element group; 5, connector; 6, stroke limit cover; 7, slip spider; 8, slips; 9, slips stop collar; 10, friction plate stop collar; 11, friction plate swivel nut; 12, lower center tube; 13, friction commutator segment; 14, friction commutation body; 15, slips caging bolt; 16, slip spider cover plate; 17, sealed adapter sleeve; 18, flat key; 19, flat spring; 20, screw; 21, packing element spacer ring; 22, O RunddichtringO; 23, hydraulic anchor pressing plate; 24, anchor fluke; 25, spring; 26, upper center tube; 27, pin.
The specific embodiment
Shown in Fig. 1-4, the described two group sealed high pressure water injection packers of the utility model embodiment, comprise top connection 1, hydraulic anchor body 2, packing element group 4, connector 5, slips 8, lower center tube 12, friction commutation body 14 and upper center tube 26, described connector 5 upper ends are by sealed adapter sleeve 17 socket upper center tubes 26, sealed adapter sleeve 17 is socketed in connector 5 upper ends, sealed adapter sleeve 17 is by pin 27 clamping connectors 5 sidewalls, be provided with O RunddichtringO 22 between described sealed adapter sleeve 17 and the connector 5, be provided with flat key between sealed adapter sleeve 17 and the connector 5, be provided with O RunddichtringO 22 between described sealed adapter sleeve 17 and the upper center tube 26; Described upper center tube 26 outer socket central tube rope cap 3, packing element group 4, sealed adapter sleeve 17 and connectors 5 successively, packing element group 4 is arranged in the water between the anchor body 2 and connector 5, be provided with the central tube lock tube 3 of interlocking on hydraulic anchor body 2 between packing element group 4 and the hydraulic anchor body 2, the 2 upper end socket top connections 1 of hydraulic anchor body; Described connector 5 lower ends are by central tube lock nut 3 interlocking lower center tubes 12, central tube lock nut 3 is socketed in connector 5 lower ends, be provided with O RunddichtringO 22 between described connector 5 and the central tube lock nut 3, be provided with O RunddichtringO 22 between connector 5 and the lower center tube 12, described lower center tube 12 outer socket packing element group groups 4 successively, slips 8 and friction commutation body 14, described packing element group 4 is arranged on connector 5 lower ends, friction commutation body 14 is arranged on lower center tube 12 ends, between packing element group 4 and the friction commutation body 14 slips 7 is set.
Described hydraulic anchor body 2 areoles are nested with anchor fluke 24, pass through screw 20 interlocking hydraulic anchor pressing plates 23 on hydraulic anchor body 2 areoles, hydraulic anchor pressing plate 23 is sealed in anchor fluke 24 in hydraulic anchor body 2 areoles, between described hydraulic anchor pressing plate 23 and the anchor fluke 24 spring 25 is set; Be provided with O RunddichtringO 22 between described hydraulic anchor body 2 lower ends and the central tube lock tube 3, be provided with O RunddichtringO 22 between hydraulic anchor body 2 and the upper center tube 26; Be provided with O RunddichtringO 22 between described hydraulic anchor body 2 inwalls and top connection 1 areole.Described packing element group 4 middle parts are provided with packing element spacer ring 21.
Described slips 8 is fixed on the slip spider 7, slip spider 7 upper ends are by screw 20 interlocking slip spider cover plates 16, slip spider cover plate 16 contacts with packing element group 4, described slips 7 is provided with slips caging bolt 15, slips 7 lower ends are by screw 20 stationary slip stop collars 9, slips stop collar 9 lower end cutting ferrule friction commutation bodies 14, friction commutation body 14 lower ends are provided with friction commutator segment 13, friction commutator segment 13 is provided with flat spring 19, friction commutator segment 13 upper end socket friction plate stop collars 10, friction commutator segment 13 lower end socket friction plate swivel nuts 11 are provided with pin 27 between friction commutator segment 13 and the friction plate swivel nut 11.
The described two group sealed high pressure water injection packers of the utility model embodiment, in use, transfer pipe and annotate back swinging head notes, friction commutator segment 13 on the friction commutation body 14 relies on the elastic force of sheet swivel nut 11 and the friction of internal surface of sleeve pipe, sliding pin 27 moves upward along " J " type grooves, and slip spider 7 cones are descending to strut slips 8 and fix with sleeve pipe, anti-ly simultaneously sets pin 27 and cuts off, packing element group 4 compands simultaneously at connector 5 two ends realize that packer sets fully.Upper lifting pipe post slips 8 withdraws from the cone of slip spider 7 during deblocking, and slips 8 reclaims packing element group 4 return deblockings.
The described two group sealed high pressure water injection packers of the utility model embodiment, it is designed to be mainly raising high pressure dispensing well layering sealing, also can be used for card envelope technological measures such as formation testing, oil recovery, water detection, water blockoff, pressure break, acidifying and sand control, it can not only use separately, also can be used and form complete demixing injection-production process system, satisfy all kinds of complicated injection-production technology measure needs with Y341, Y111, Y241 series packer.
Above-described embodiment, the utility model specific embodiment a kind of more preferably just, the common variation that those skilled in the art carries out its contour structures and compound mode etc. all should be included in the protection domain of the present utility model.
Claims (5)
1. organize the sealed high pressure water injection packer for one kind pair, comprise top connection, hydraulic anchor body, packing element group, connector, slips, lower center tube, friction commutation body and upper center tube, it is characterized in that: the connector upper end is by sealed adapter sleeve socket upper center tube, described upper center tube is socket central tube rope cap, packing element group, sealed adapter sleeve and connector successively outward, the packing element group is arranged in the water between the anchor body and connector, be provided with the central tube lock tube of interlocking on the hydraulic anchor body between packing element group and the hydraulic anchor body, hydraulic anchor body upper end connects top connection; Described connector lower end is by central tube lock nut interlocking lower center tube, the central tube lock nut is socketed in the connector lower end, described lower center tube is socket packing element group, slips and friction commutation body successively outward, described packing element group is arranged on the connector lower end, friction commutation body is arranged on the lower center tube end, between packing element group and the friction commutation body slips is set; In the packing element group at described connector two ends, be provided with the packing element spacer ring between packing element and packing element.
2. two group sealed high pressure water injection packer according to claim 1, it is characterized in that: sealed adapter sleeve clamping connector areole, be provided with the O RunddichtringO between described sealed adapter sleeve and the connector, be provided with flat key between sealed adapter sleeve and the connector, be provided with the O RunddichtringO between described sealed adapter sleeve and the upper center tube.
3. two group sealed high pressure water injection packer according to claim 1 is characterized in that: be provided with the O RunddichtringO between connector and the central tube lock nut, be provided with the O RunddichtringO between connector and the lower center tube.
4. two group sealed high pressure water injection packer according to claim 1, it is characterized in that: described hydraulic anchor side cinclides is nested with anchor fluke, the hydraulic anchor body sidewall is locked and is connect the hydraulic anchor pressing plate, the hydraulic anchor pressing plate is sealed in the anchor melon in the cinclides of hydraulic anchor side, between described hydraulic anchor pressing plate and the anchor fluke spring is set; Be provided with the O RunddichtringO between described hydraulic anchor body lower end and the central tube lock tube, be provided with the O RunddichtringO between hydraulic anchor body and the upper center tube; Be provided with the O RunddichtringO between described hydraulic anchor side cinclides and the anchor fluke.
5. two group sealed high pressure water injection packer according to claim 1, it is characterized in that: described slips is fixed on the slip spider, slip spider upper end interlocking slip spider cover plate, described slips is provided with the slips caging bolt, slips lower end stationary slip stop collar, slips stop collar lower end cutting ferrule friction commutation body, friction commutation body lower end is provided with the friction commutator segment, the friction commutator segment is provided with flat spring, friction commutator segment upper end socket friction plate stop collar, friction commutator segment lower end socket friction plate swivel nut is provided with pin between friction commutator segment and the friction plate swivel nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020507409XU CN201738868U (en) | 2010-08-27 | 2010-08-27 | Double-group sealed high-pressure water-injection packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020507409XU CN201738868U (en) | 2010-08-27 | 2010-08-27 | Double-group sealed high-pressure water-injection packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201738868U true CN201738868U (en) | 2011-02-09 |
Family
ID=43554146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020507409XU Expired - Fee Related CN201738868U (en) | 2010-08-27 | 2010-08-27 | Double-group sealed high-pressure water-injection packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201738868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301804A (en) * | 2018-04-17 | 2018-07-20 | 长江大学 | A kind of slips expanding deep water packer |
-
2010
- 2010-08-27 CN CN201020507409XU patent/CN201738868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301804A (en) * | 2018-04-17 | 2018-07-20 | 长江大学 | A kind of slips expanding deep water packer |
| CN108301804B (en) * | 2018-04-17 | 2024-03-22 | 长江大学 | Slip expansion type deepwater packer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HE NAN PUYANG ZHUFENG PETROLEUM MACHINERY CO., LTD Free format text: FORMER OWNER: LIU YUZHU Effective date: 20110622 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100089 2/F, GUANGYUAN BUILDING, ZIZHU BRIDGE, HAIDIAN DISTRICT, BEIJING TO:457001 MIDDLE SECTION OF EAST RING ROAD, PUYANG CITY, HE NAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110622 Address after: 457001 middle section of East Ring Road, Henan, Puyang Patentee after: Henan Puyang Mount Everest Petroleum Machinery Co., Ltd. Address before: 100089 Beijing Haidian District City Guangyuan Zizhuqiao two storey building Patentee before: Liu Yuzhu |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20140827 |
|
| EXPY | Termination of patent right or utility model |