CN201080816Y - Gravel filling tool capable of checking seal - Google Patents
Gravel filling tool capable of checking seal Download PDFInfo
- Publication number
- CN201080816Y CN201080816Y CNU2007200277541U CN200720027754U CN201080816Y CN 201080816 Y CN201080816 Y CN 201080816Y CN U2007200277541 U CNU2007200277541 U CN U2007200277541U CN 200720027754 U CN200720027754 U CN 200720027754U CN 201080816 Y CN201080816 Y CN 201080816Y
- Authority
- CN
- China
- Prior art keywords
- envelope
- ectosome
- conversion
- testing
- ball
- 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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Abstract
The utility model relates to a sealing-check type gravel filling tool, which comprises a mutually-connected release part, a setting sealing part, a de-sealing part, a filling packer, and a slurry conversion part, and also comprises a sealing-check device, a single-flow valve and a safety joint that are connected at the slurry conversion part in order, wherein the sealing-check device comprises a sealing-check external body connected with the conversion internal body of the slurry conversion part. A sealing-check slide sleeve, an upper steel ball and a steel ball baffle are arranged in the sealing-check external body. The utility model has the advantages of slim holes and sealing-check. The utility model is mainly applied in oil-well gravel-filling sand-control technology and similar occasions.
Description
One, technical field
The utility model relates to oil exploitation well gravel filling sand prevention instrument, particularly a kind of envelope formula gravel pack instrument of testing.
Two, background technology
Existing oil well sand control gravel packing tool, by releasing device, seating and sealing unit, separate sealing mechanism, filling packer and mortar conversion equipment and constitute, for the gravel filling sand prevention process of oil exploitation well has been made or has been made and contributing, but it also exists following shortcoming or deficiency simultaneously: 1. can only be used for greater than 5.5in, be in the oil gas well of well internal diameter greater than 120mm, and can not be used for the oil gas well of 5in or 4.5in, promptly in the oil gas well of well internal diameter between 97.18-115.82mm; 2. do not test the envelope function, can not determine the sealing fixing of filling tubing string, thereby the failure of gravel pack construction happens occasionally, directly influence sand control success rate and the exploitation effect and the benefit of oil well.
Three, summary of the invention
The purpose of this utility model provides a kind of improved envelope formula gravel pack instrument of testing, and can be suitable for slim-hole, promptly satisfies the gravel pack needs of 5in or 4.5in oil gas well; Its shortcoming or deficiency that can also overcome effectively or avoid existing in the above-mentioned prior art is simultaneously checked the sealing condition of tubing string effectively, improves the success rate of gravel pack.
The envelope formula gravel pack instrument of testing described in the utility model, comprise the interconnective part of giving up, set part, deblocking part, filling packer, mortar conversion portion, also comprise the packer detecting device, ball-and-seat and the safety joint that are installed and connected in the mortar conversion portion in turn, described packer detecting device comprise be connected with the conversion endosome of mortar conversion portion test the envelope ectosome, this tests testing the envelope sliding sleeve, going up steel ball and steel ball baffle plate of installing in the envelope ectosome.
Wherein, the described envelope sliding sleeve of testing is positioned at and tests the envelope ectosome, by testing offset nail and testing the envelope ectosome and fix.Describedly test the annular fluid passage that formation is communicated with the tubing string inner chamber between the outer two conversion bodies with the mortar conversion portion of envelope ectosome, conversion endosome and internal conversion pipe nipple.Described ball-and-seat comprises that an end is connected with the conversion ectosome of mortar conversion portion, and the other end and the single current valve body that the safe snap of safety joint is connected are installed in this single current valve body and seal outer external valve ball and pressure ring with testing.Described safety joint comprise the safe snap that is connected with the single current valve body of ball-and-seat, with test internal conversion pipe nipple that the envelope ectosome is connected, be installed on safe snap safety joint ectosome outer, that fix by pin and its, be installed on the ball joint that links to each other in the safe snap, with the internal conversion pipe nipple with steel ball and be installed on and test kick back, outer tubing string pipe nipple that is connected with the safety joint ectosome and the interior tubing string pipe nipple that is connected with ball joint that seals in the ectosome.Described internal conversion pipe nipple top is provided with the fluid duct that is connected with tubing string with two conversion body inner chambers of mortar conversion portion.
The utility model has following advantage compared with prior art:
1, applied range not only is adapted to the big hole sleeve pipe, is more suitable in using in the sleeve pipe of 5m or 4.5m.
2, have the sealing mechanism of testing, guarantee the sealing reliability of gravel pack tubing string effectively, guarantee the success rate of gravel filling sand prevention construction technology.
Four, description of drawings
Accompanying drawing is a kind of structural representation of the present utility model.
Five, the specific embodiment
Consult accompanying drawing, a kind of envelope formula gravel pack instrument of testing, comprise the interconnective part of giving up, set part, deblocking part, filling packer, mortar conversion portion, also comprise the packer detecting device 6, ball-and-seat 7 and the safety joint 8 that are installed and connected in mortar conversion portion 5 in turn, packer detecting device 6 comprise be connected with the conversion endosome 51 of mortar conversion portion test envelope ectosome 65, this tests testing envelope sliding sleeve 63, going up steel ball 62 and steel ball baffle plate 61 of installing in the envelope ectosome.
Test envelope sliding sleeve 63 and be positioned at and test envelope ectosome 65, by testing offset nail 64 and testing envelope ectosome 65 and fix.Test the annular fluid passage that formation is communicated with the tubing string inner chamber between the outer two conversion bodies 53 with mortar conversion portion 5 of envelope ectosome 65, conversion endosome 51 and internal conversion pipe nipple 85.Ball-and-seat 7 comprises that an end is connected with the conversion ectosome 52 of mortar conversion portion 5, and the other end and the single current valve body 71 that the safe snap 81 of safety joint 8 is connected are installed in this single current valve body 71 and seal ectosome 65 valve ball 73 and pressure ring 72 outward with testing.Safety joint 8 comprises the safe snap 81 that is connected with the single current valve body 71 of ball-and-seat 7, with test the internal conversion pipe nipple 86 that is connected of envelope ectosome 65, be installed on outside the safe snap 81, the safety joint ectosome 83 that fixes with it by pin 82, be installed in the safe snap 81, ball joint 88 that links to each other with internal conversion pipe nipple 86 and steel ball 87 and being installed on tested the kick back 85 in the envelope ectosome, outer tubing string pipe nipple 84 that is connected with safety joint ectosome 83 and the interior tubing string pipe nipple 89 that is connected with ball joint 88.Internal conversion pipe nipple 86 tops are provided with the fluid duct that is connected with tubing string with two conversion bodies 53 inner chambers of mortar conversion portion 5.
Claims (6)
1. can test envelope formula gravel pack instrument for one kind, comprise the interconnective part of giving up, set part, deblocking part, filling packer, mortar conversion portion, it is characterized in that also comprising the packer detecting device, ball-and-seat and the safety joint that are installed and connected in the mortar conversion portion in turn, described packer detecting device comprise be connected with the conversion endosome of mortar conversion portion test the envelope ectosome, this tests testing the envelope sliding sleeve, going up steel ball and steel ball baffle plate of installing in the envelope ectosome.
2. the envelope formula gravel pack instrument of testing according to claim 1 is characterized in that the described envelope sliding sleeve of testing is positioned at and tests the envelope ectosome, by testing offset nail and testing the envelope ectosome and fix.
3. the envelope formula gravel pack instrument of testing according to claim 1 and 2 is characterized in that the described annular fluid passage that formation is communicated with the tubing string inner chamber between the outer two conversion bodies with the mortar conversion portion of envelope ectosome, conversion endosome and internal conversion pipe nipple of testing.
4. the envelope formula gravel pack instrument of testing according to claim 1, it is characterized in that described ball-and-seat comprises that an end is connected with the conversion ectosome of mortar conversion portion, the other end and the single current valve body that the safe snap of safety joint is connected are installed in this single current valve body and seal outer external valve ball and pressure ring with testing.
5. the envelope formula gravel pack instrument of testing according to claim 1, it is characterized in that described safety joint comprise the safe snap that is connected with the single current valve body of ball-and-seat, with test internal conversion pipe nipple that the envelope ectosome is connected, be installed on safe snap safety joint ectosome outer, that fix by pin and its, be installed on the ball joint that links to each other in the safe snap, with the internal conversion pipe nipple with steel ball and be installed on and test kick back, outer tubing string pipe nipple that is connected with the safety joint ectosome and the interior tubing string pipe nipple that is connected with ball joint that seals in the ectosome.
6. the envelope formula gravel pack instrument of testing according to claim 3 is characterized in that described internal conversion pipe nipple top is provided with the fluid duct that is connected with tubing string with two conversion body inner chambers of mortar conversion portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200277541U CN201080816Y (en) | 2007-09-12 | 2007-09-12 | Gravel filling tool capable of checking seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200277541U CN201080816Y (en) | 2007-09-12 | 2007-09-12 | Gravel filling tool capable of checking seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201080816Y true CN201080816Y (en) | 2008-07-02 |
Family
ID=39614490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200277541U Expired - Fee Related CN201080816Y (en) | 2007-09-12 | 2007-09-12 | Gravel filling tool capable of checking seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201080816Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435321B (en) * | 2008-12-26 | 2012-01-18 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Horizontal well tube exterior subsection gravel filling sand prevention process and pipe column |
| CN109869121A (en) * | 2019-03-18 | 2019-06-11 | 中国石油化工股份有限公司 | The mechanical sand control technique of small casing pipe well |
-
2007
- 2007-09-12 CN CNU2007200277541U patent/CN201080816Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435321B (en) * | 2008-12-26 | 2012-01-18 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Horizontal well tube exterior subsection gravel filling sand prevention process and pipe column |
| CN109869121A (en) * | 2019-03-18 | 2019-06-11 | 中国石油化工股份有限公司 | The mechanical sand control technique of small casing pipe well |
| CN109869121B (en) * | 2019-03-18 | 2021-02-19 | 中国石油化工股份有限公司 | Mechanical sand prevention process for small cased well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 |