CN2690581Y - Under well operation clips packer - Google Patents
Under well operation clips packer Download PDFInfo
- Publication number
- CN2690581Y CN2690581Y CN 200420038782 CN200420038782U CN2690581Y CN 2690581 Y CN2690581 Y CN 2690581Y CN 200420038782 CN200420038782 CN 200420038782 CN 200420038782 U CN200420038782 U CN 200420038782U CN 2690581 Y CN2690581 Y CN 2690581Y
- Authority
- CN
- China
- Prior art keywords
- reversing
- box cupling
- commutation
- processed
- straight trough
- 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.)
- Expired - Fee Related
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an underground operation slip packer, comprising an upper and a lower contacts, a righting part, a slip part, a sealing part, a releasing part and a reversing part. The lower end of the reversing coupling hoop is connected with the lower contact through a screw thread, and the upper end is connected with a center pipe. A reversing sheath is sheathed outside the reversing coupling hoop which is a hollow cylinder. Two cylindrical guiding pins are processed at the excircle of the reversing coupling hoop, and the reversing sheath is a hollow cylindrical sheath. The upper end of the reversing sheath is connected with the righting body through the thread, and the lower end is symmetrically processed with a straight flute and a helical flute. One end of the straight flute intersects to the helical flute, and the guiding pins move in the straight flute and the helical flute. The sealed spacing ring is in a circular ring-shaped and butterfly-shaped structure, and the edge of the sealed spacing ring is convex. The utility model has simple structure and safe and reliable operation, so the utility model can accomplish the effective containment to the underground hydrocarbon reservoir.
Description
Technical field the utility model relates to a kind of packer that is used for underground work such as formation testing by layer, oil recovery, water blockoff, pressure break.
Background technology is in oilfield exploitation procedure, for guaranteeing long-term efficient and rational development of fields, the reply oil reservoir carries out operations such as formation testing by layer, oil recovery, water blockoff, pressure break, the most slip-type packers that adopt built-in changement in existing oil field, its shortcoming is that interior latus rectum is little, complex structure, cost are higher, is only applicable to little pump exploitation.Therefore, it is big, simple in structure to design a kind of interior latus rectum, and the slip-type packer that cost is low is very important.
The summary of the invention the purpose of this utility model provides a kind of interior latus rectum underground work anchor packer big, simple in structure, makes it be applicable to big pump exploitation, improves oil yield.The utility model mainly comprises top connection, cartridge, spacer ring, central tube, cone, slips, slips box, slips holder, lock ball cover, discharges cover, centralizer body, friction block, spring, reversing cover, commutation box cupling, lower contact.The utility model by hermetic unit, slips part, release portion, set upright part, commutation part is formed.Commutation part of the present utility model is made up of commutation box cupling, reversing cover and three parts of guide finger, and the commutation box cupling is a hollow garden cylindricality, and commutation box cupling lower end links by screw thread and lower contact, and commutation box cupling upper end links by screw thread and central tube; Commutation box cupling bottom Wai Yuan is processed with two garden cylindricality guide fingers, reversing cover is sleeved on the outside of commutation box cupling, reversing cover is a hollow garden column sleeve, reversing cover upper end endoporus is processed with screw thread, and link with centralizer body, the lower end symmetry be processed with straight trough and helicla flute, straight trough one end and helicla flute one end intersect, straight trough parallels with the axis of central tube, and guide finger moves in straight trough and helicla flute; For the ease of connecting, tubing thread is processed at the endoporus two ends of reversing cover, and in order to stop the axial deformation of cartridge, the two ends of spacer ring are designed to butterfly structure, and is middle porose, edge protuberance.The utility model adopts six slips, in order to improve seat envelope power.The utility model is simple in structure, and processing and fabricating is easy, manipulates safe and reliablely, and interior latus rectum is big, can improve recovery ratio effectively.
Description of drawings: 1-top connection among the figure; The 2-cartridge; The 3-spacer ring; The 4-central tube; The 5-cone; The 6-slips; The 7-slip sleeve; The holder of 8-slips; 9-lock ball cover; 10-discharges cover; The 11-centralizer body; The 12-friction block; The 13-reversing cover; The 14-box cupling that commutates; The 15-lower contact; The 16-lock ball; The 17-spring
The specific embodiment, with reference to accompanying drawing 1, the utility model is by last, lower contact, cartridge, spacer ring, central tube, cone, slips, slip sleeve, the slips holder, the lock ball cover, discharge cover, centralizer body, friction block, reversing cover, the commutation box cupling, composition such as lock ball and spring, its connecting relation is, cartridge (2), spacer ring (3), cone (5), slip sleeve (7), slips holder (8), lock ball cover (9), discharge cover (10), centralizer body (11), friction block (12) is installed on the central tube (4) successively, slips (6) is installed in the slips holder (8), friction block (12) is installed in staying in the groove of centralizer body (11), and friction block (12) is pressed on the spring (17); The commutation part is by commutation box cupling (14), three parts of reversing cover (13) and guide finger are formed, the connecting relation of commutation part is, commutation box cupling (14) lower end links by screw thread and lower contact (15), central tube (4) links by screw thread and commutation box cupling (14) upper end, reversing cover (13) is sleeved on the outside of commutation box cupling (14), commutation box cupling (14) is a hollow garden cylindricality, outer garden is processed with two garden cylindricality guide fingers, reversing cover (13) is a hollow garden column sleeve, reversing cover (13) upper end endoporus is processed with screw thread, and link with centralizer body (11), be processed with straight trough and helicla flute in reversing cover bottom symmetry, straight trough one end and helicla flute one end intersect, and straight trough parallels with the axis of central tube (4), and guide finger moves in straight trough and helicla flute.The endoporus two ends of reversing cover (13) are tubing thread.Spacer ring (3) both ends of the surface are butterfly structure, and are middle porose, edge protuberance.When packer was gone into the well with tubing string, friction block sticked on the internal surface of sleeve pipe, and two guide pins on the box cupling that commutates like this promote reversing cover and coupled parts and move down together.When needs seat card, when setting, as long as upper lifting pipe post and dextrorotation, because the effect of friction block makes that two garden guide pins on the commutation box cupling promote to move on reversing cover and the connector, when release cover, groove move to the release ball, press down running string, slips opens, and is clamped on the internal surface of sleeve pipe, continue to press down, packing element is compressed, thus packing oil sets annular space, realize to sit card, seat envelope.When needs trip out packer, need only and carry down-hole string, two guide fingers return the original place along reversing cover again, and along with tubing string is up, packing element reclaims, and the slip sleeve on the central tube will push away on the cone, has left slips, and slips retracts, and realizes the deblocking unfreezing.
Claims (3)
1. underground work anchor packer, it comprises, lower contact, set upright part, the slips part, hermetic unit and release portion, it is characterized in that its part that commutates in addition, the connecting relation of commutation part is, commutation box cupling (14) lower end links by screw thread and lower contact (15), central tube (4) links by screw thread and commutation box cupling (14) upper end, reversing cover (13) is sleeved on the outside of commutation box cupling (14), commutation box cupling (14) is a hollow garden cylindricality, and outer garden is processed with two garden cylindricality guide fingers, and reversing cover (13) is a hollow garden column sleeve, reversing cover (13) upper end endoporus is processed with screw thread, and link with centralizer body (11), the lower end symmetry be processed with straight trough and helicla flute, straight trough one end and helicla flute one end intersect, straight trough parallels with the axis of central tube (4), and guide finger moves in straight trough and helicla flute.
2. underground work anchor packer according to claim 1, the endoporus two ends that it is characterized in that reversing cover (13) are tubing thread.
3. underground work anchor packer according to claim 1 is characterized in that spacer ring (3) both ends of the surface are butterfly structure, and is middle porose, edge protuberance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420038782 CN2690581Y (en) | 2004-03-04 | 2004-03-04 | Under well operation clips packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420038782 CN2690581Y (en) | 2004-03-04 | 2004-03-04 | Under well operation clips packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2690581Y true CN2690581Y (en) | 2005-04-06 |
Family
ID=34671136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420038782 Expired - Fee Related CN2690581Y (en) | 2004-03-04 | 2004-03-04 | Under well operation clips packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2690581Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592025B (en) * | 2009-06-24 | 2013-03-27 | 东营市兆鑫工贸有限责任公司 | Inflatable anchoring packer |
| CN104929562A (en) * | 2015-06-24 | 2015-09-23 | 安东石油技术（集团）有限公司 | Packer |
| CN110924905A (en) * | 2019-12-13 | 2020-03-27 | 孙肖 | Layered oil production device for petroleum deformation cased well |
-
2004
- 2004-03-04 CN CN 200420038782 patent/CN2690581Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592025B (en) * | 2009-06-24 | 2013-03-27 | 东营市兆鑫工贸有限责任公司 | Inflatable anchoring packer |
| CN104929562A (en) * | 2015-06-24 | 2015-09-23 | 安东石油技术（集团）有限公司 | Packer |
| CN104929562B (en) * | 2015-06-24 | 2017-12-22 | 安东石油技术（集团）有限公司 | Packer |
| CN110924905A (en) * | 2019-12-13 | 2020-03-27 | 孙肖 | Layered oil production device for petroleum deformation cased well |
| CN110924905B (en) * | 2019-12-13 | 2022-10-18 | 牡丹江市井田石油钻采配件有限公司 | Layered oil production device for petroleum deformation cased well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |