CN2646370Y - Pipe fisher capable of washing and filtering sand - Google Patents
Pipe fisher capable of washing and filtering sand Download PDFInfo
- Publication number
- CN2646370Y CN2646370Y CN 200320106275 CN200320106275U CN2646370Y CN 2646370 Y CN2646370 Y CN 2646370Y CN 200320106275 CN200320106275 CN 200320106275 CN 200320106275 U CN200320106275 U CN 200320106275U CN 2646370 Y CN2646370 Y CN 2646370Y
- Authority
- CN
- China
- Prior art keywords
- sand
- uncoupling
- baffle ring
- disconnecting
- anchor
- 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
Links
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- Hydraulic Turbines (AREA)
Abstract
The utility model relates to a clamp off sand filtering pipe salvaging device, which comprises an upper joint, a sand washing pipe, an automatic sealing deice, an upper and a lower baffle rings, a spring and a grapnel anchor, and further a disconnecting mechanism arranged outside the sand washing pipe and connected with the upper joint and the upper baffle ring, a sealing device connected with the grapnel anchor and a cone connected with the sealing device. Wherein, the disconnecting mechanism comprises a lower end and a disconnecting joint connected with the lower baffle ring as well as a disconnecting claw matched to the disconnecting joint. The rail pin screw and the rolling ring siding on the rail of the disconnecting joint are arranged outside the disconnecting joint and the disconnecting sleeve connected with the upper baffle ring. Through adopting the disconnecting mechanism, the utility model reduces the frequency of tripping operation, improves the operation efficiency and reduces the operating cost. Therefore, the utility model can be used as the salvaging technique of a sand preventing tool for the operation under the well.
Description
One, technical field
The utility model relates to the oil production technology downhole tool, but relates in particular to a kind of sand washing sand screen fisher.
Two, background technology
Down-hole sand screen sand control is an oil production technology sand control mode commonly used, sand screen lost efficacy or during the oil reservoir perforations adding in the oil recovery process, sand screen need be extracted, but owing to be crowded with reservoir sand around the sand screen, often very difficult when extracting, the need repeated multiple times that has plays the lower tubular column sand washing, complex procedures is pulled out in examination, waste time and energy, operating cost is very high.
Three, summary of the invention
For solving above-mentioned problems of the prior art, the utility model provide a kind of easy construction, operation simple, save labor, but the few sand washing sand screen fisher of cost.
But the technical scheme that the utility model is dealt with problems is a kind of sand washing sand screen fisher, comprise top connection, sand clean out pipe, self sealss device, spring and drag for anchor, also comprise and installing outside sand clean out pipe, be connected in the uncoupling mechanism between top connection and upper baffle ring, and drag for anchor sealer that is connected and the cone that is connected with the sealing device.Described uncoupling mechanism comprises the uncoupling head that the lower end is connected with the self sealss device, the uncoupling pawl that matches with the uncoupling head, and the uncoupling cover that is connected with upper baffle ring is installed in the track pin and the change of sliding on uncoupling head track outside the uncoupling head.
Wherein, described self sealss device comprise lower baffle ring, connecting tube and connect therebetween coupling sleeve be placed in the wave glue spare that coupling sleeve inner chamber and sand clean out pipe seal mutually.
Wherein, described wave glue spare lower end, connecting tube inner chamber are provided with and make this wave glue spare be adjacent to the pressurization flowing hole of sand clean out pipe.
Wherein, described uncoupling head outer peripheral face is provided with the length track alternately that interconnects.
Wherein, described sealer comprises tube connector, lock ring, shear pin and fluid sealant spare, is connected the self sealss device and drags between the anchor.
The utility model compared with prior art has the following advantages:
1, because the utility model has adopted uncoupling mechanism, sand screen dragged for can wash out sand screen apposition sand from top to bottom after obtaining, reduced the salvaging resistance of sand screen, make sand screen be easy to pick up.
2, can carry out sand washing repeatedly, sand washing finishes, and connects on-off connector, on pull out the filter sand tubing string, when can not pulling out, throw off on-off connector, sand washing repeatedly.
3, owing to adopted uncoupling mechanism, reduce the number of times that makes a trip, improved operating efficiency, reduced operating cost.
Four, description of drawings
But accompanying drawing is a kind of sand washing sand screen fisher structural representation.
Five, the specific embodiment
Referring to accompanying drawing, but a kind of sand washing sand screen fisher, comprise top connection 1, sand clean out pipe 4, self sealss device 10,11,12 and 13, go up lower baffle ring 8,10, spring 9 and drag for anchor 18, also comprise and installing outside sand clean out pipe 4, be connected in the uncoupling mechanism 2,3,5 and 6 of 8 of top connection 1 and upper baffle rings, and drag for the sealer 14,15,16,17 and 19 that anchor 18 is connected.Described uncoupling mechanism comprises the uncoupling head 5 that the lower end is connected with lower baffle ring 10, the uncoupling pawl 2 that matches with uncoupling head 5, and the uncoupling cover 3 that is connected with upper baffle ring 8 is installed in track pin 6 that slides on the track of uncoupling head and change 7 outside uncoupling head 5.
The self sealss device comprises lower baffle ring 10, connecting tube 13, connection coupling sleeve 12 therebetween and installs the wave glue spare 11 that seals mutually in coupling sleeve 13 inner chambers and sand clean out pipe 4.Wave glue spare 11 lower ends, connecting tube 13 inner chambers are provided with and make wave glue spare 11 be adjacent to the pressurization flowing hole 20 of sand clean out pipe 4, uncoupling head 5 outer peripheral faces are provided with the length track alternately that interconnects, and track pin 6 matches with change 7 and slides in track.Spring 9 is installed on the uncoupling head 5 between upper baffle ring 8 and the lower baffle ring 10.Sealer comprises tube connector 19, lock ring 15, shear pin 14 and fluid sealant spare 16, and top links to each other with the connecting tube 13 of self sealss device, and the bottom connects drags for anchor 18, and cone 17 1 ends are fixed on the tube connector 19 by shear pin 14, and the other end stretches into and drags for the anchor inner chamber, makes to drag for anchor and open.
Claims (5)
- But 1, a kind of sand washing sand screen fisher, comprise top connection, sand clean out pipe, self sealss device, go up lower baffle ring, spring and drag for anchor, it is characterized in that also comprising and install outside sand clean out pipe, be connected in the uncoupling mechanism between top connection and upper baffle ring, with drag for anchor sealer that is connected and the cone that is connected with the sealing device, described uncoupling mechanism comprises the uncoupling head that the lower end is connected with lower baffle ring, the uncoupling pawl that matches with the uncoupling head, the uncoupling cover that is connected with upper baffle ring is installed in track pin that slides on the track of uncoupling head and change outside the uncoupling head.
- But 2, sand washing sand screen fisher according to claim 1, it is characterized in that described self sealss device comprise lower baffle ring, connecting tube and connect therebetween coupling sleeve be placed in the wave glue spare that coupling sleeve inner chamber and sand clean out pipe seal mutually.
- But 3, sand washing sand screen fisher according to claim 2 is characterized in that described wave glue spare lower end, connecting tube inner chamber are provided with to make wave glue spare be adjacent to the pressurization flowing hole of sand clean out pipe.
- But 4, sand washing sand screen fisher according to claim 1 is characterized in that described uncoupling head outer peripheral face is provided with the length track alternately that interconnects.
- But 5, sand washing sand screen fisher according to claim 1 is characterized in that described sealer comprises tube connector, lock ring, shear pin and fluid sealant spare, is connected in the self sealss device and drags between the anchor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320106275 CN2646370Y (en) | 2003-10-15 | 2003-10-15 | Pipe fisher capable of washing and filtering sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320106275 CN2646370Y (en) | 2003-10-15 | 2003-10-15 | Pipe fisher capable of washing and filtering sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2646370Y true CN2646370Y (en) | 2004-10-06 |
Family
ID=34305074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320106275 Expired - Fee Related CN2646370Y (en) | 2003-10-15 | 2003-10-15 | Pipe fisher capable of washing and filtering sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2646370Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632147A (en) * | 2013-11-13 | 2015-05-20 | 中国石油化工股份有限公司 | Segmental salvage processing sand prevention pipe column and conversion device |
| CN109779588A (en) * | 2017-11-10 | 2019-05-21 | 中国石油化工股份有限公司 | Thermal production well steam injection, lost circulation prevention anti-flushing well and production integration tubing string |
-
2003
- 2003-10-15 CN CN 200320106275 patent/CN2646370Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632147A (en) * | 2013-11-13 | 2015-05-20 | 中国石油化工股份有限公司 | Segmental salvage processing sand prevention pipe column and conversion device |
| CN104632147B (en) * | 2013-11-13 | 2018-05-22 | 中国石油化工股份有限公司 | A kind of segmental salvage processing sand control pipe and conversion equipment |
| CN109779588A (en) * | 2017-11-10 | 2019-05-21 | 中国石油化工股份有限公司 | Thermal production well steam injection, lost circulation prevention anti-flushing well and production integration tubing string |
| CN109779588B (en) * | 2017-11-10 | 2023-06-16 | 中国石油化工股份有限公司 | Steam injection, leakage-proof back flushing and production integrated tubular column for thermal production 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 |