CN2540506Y - Tubularcolumn for perforating test technology - Google Patents
Tubularcolumn for perforating test technology Download PDFInfo
- Publication number
- CN2540506Y CN2540506Y CN 02235671 CN02235671U CN2540506Y CN 2540506 Y CN2540506 Y CN 2540506Y CN 02235671 CN02235671 CN 02235671 CN 02235671 U CN02235671 U CN 02235671U CN 2540506 Y CN2540506 Y CN 2540506Y
- Authority
- CN
- China
- Prior art keywords
- tubing string
- packer
- perforating
- injection
- pressure gauge
- 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 - Lifetime
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to an under-oil span injection-hole test couple column, wherein a breakpin sealing device (6) and a P-T sealing device (10) of test column are serially connected with a hydraulic blaster (7), an injection gun (8), and a buffer (9) between, a blind connector (14) of the column and an electric press gage (12) above are connected with a pressure releaser (13) between, and a detection pressure gage (16) below are connected with a soft connector (15). The utility model can effectively prevent the impact wave of injection bomb in blast to impact, shake and damage precision device, and affect sealing property of sealing device, to confirm the success of span injection-hole test.
Description
(1) technical field:
The utility model relate to a kind of stride every stratum perforating test connection as the time be used to select layer to separate the perforated zone after striding of reperforation test every the perforating test connection make tubing string.
(2) background technology:
Single packer perforating test connection is done tubing string present envelope when testing behind perforation, and is smaller relatively to the requirement of tubing string, and parts such as packer, electronic pressure gauge and holder tube thereof are housed on its tubing string; When after packer set, carrying out perforation, the requirement of tubing string is wanted big comparatively speaking, the decompression initiator is housed on this tubing string, perforating gun, damper, pressure releasing device, blind joint, parts such as device are flexible coupling, but, this tubing string only is applicable to the situation of new well first floor formation testing perforating test, do not have the oil well of penetrating out section and be suitable for, unless the following interval of having penetrated out is sealed with electric cable bridge plug, again bridging plug is bored behind the perforation and open, this gives down again, and step formation testing operation has increased difficulty of construction, influence the speed of formation testing test, increased operating expenses, prolonged the formation testing cycle.
(3) utility model content:
Technical problem to be solved in the utility model is at the problem that exists in the background technology, can realize striding the interlayer perforating test and can prevent effectively that perforating bullet from producing huge detonation wave in instant of detonation striding every the perforating test connection of destroying of electron pressure gauge made tubing string and provide a kind of.
The invention for solving the technical problem can reach by following technical solution: connect hydraulic pressure initiator, perforating gun, damper in regular turn cutting off on the test string between packer and the P-T packer, again on the blind joint on this tubing string with electronic pressure gauge between be connected pressure releasing device, under with the monitoring pressure meter between be connected the device that is flexible coupling.
In such scheme; binary channels cuts off packer and the P-T packer constitutes the card distance; testing tool is placed on the card distance; perforating gun is placed in the card distance; multiple electronic pressure gauge shock-absorbing protecting holder tube is placed on outside the card distance, is separated with packer and damper with perforating gun is middle, and relief valve is placed under the P-T packer; under connect blind joint after connecting several dry pipes, connect band monitoring pressure meter behind the device that is flexible coupling again.Timely pressure release by damping successively of multiple electronic pressure gauge shock-absorbing protecting holder tube and relief valve; stride on the once successful basis of perforating test technology realizing, eliminated detonation wave that perforating bullet produces in instant of detonation fully electronic pressure gauge huge impact power.And each adds an oil pipe down between the well tool, increases the pliability of tubing string, so that be applicable to the multiple situation of change of down-hole casing.Can realize that by the cushioning effect of double-acting shock absorber and the sub-shock-absorbing protecting holder of multiple electron pressure tube electronic pressure gauge does not damage apart from 14 meters of perforating guns; pressure releasing device can release card fast apart from interior excess pressure; satisfy the technical requirements of this technology, and can satisfy purpose of design.
The utility model is compared with the above-mentioned background technology can have following beneficial effect: it can prevent effectively that huge detonation wave that perforating bullet produces in instant of detonation to the impact of precision instruments such as electronic pressure gauge, vibrations, destruction and to the packer sealing Effect on Performance, guaranteeing to stride every the once success of perforating test technology.
(4) description of drawings:
Accompanying drawing is this tubing string installation drawing.
(5) specific embodiment:
Below in conjunction with the drawings and specific embodiments will the utility model is described in further detail:
Shown in accompanying drawing, connect hydraulic pressure initiator 7, perforating gun 8, damper 9 between packer 6 and the P-T packer 10 in regular turn cutting off on this tubing string, again on the blind joint 14 on this tubing string with electronic pressure gauge 12 between be connected pressure releasing device 13, under with monitoring pressure meter 16 between be connected the device 15 that is flexible coupling.
In such scheme, location short circuit 1 also is housed on the tubing string, instead circulates 2, MFE testing tool 3, lock-on connection 4, safety joint 5, electronic pressure gauge 12 and protection holder tube 11 constitute this tubing string with such scheme.Each parts all is existing on the tubing string, reconfigures at the purposes difference.
Claims (1)
1, a kind of down-hole, oil field that relates to is striden every perforating test connection and is made tubing string, contain on the tubing string and cut off packer (6) and P-T packer (10), the holder tube (11) of electronic pressure gauge, the electricity pressure gauge (12), blind joint (14) and monitoring pressure meter (16), it is characterized in that: connect hydraulic pressure initiator (7) in regular turn cutting off on this tubing string between packer (6) and the P-T packer (10), perforating gun (8), damper (9) is being connected pressure releasing device (13) on the blind joint on this tubing string (14) with between the electronic pressure gauge (12) again, under with monitoring pressure meter (16) between be connected the device that is flexible coupling (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02235671 CN2540506Y (en) | 2002-06-03 | 2002-06-03 | Tubularcolumn for perforating test technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02235671 CN2540506Y (en) | 2002-06-03 | 2002-06-03 | Tubularcolumn for perforating test technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2540506Y true CN2540506Y (en) | 2003-03-19 |
Family
ID=33710139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02235671 Expired - Lifetime CN2540506Y (en) | 2002-06-03 | 2002-06-03 | Tubularcolumn for perforating test technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2540506Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395428C (en) * | 2006-03-24 | 2008-06-18 | 中国石油天然气股份有限公司 | Fracturing four-linkage method |
| CN102312665A (en) * | 2011-09-21 | 2012-01-11 | 中国石油化工股份有限公司 | Stratum perforation test device |
| WO2014005420A1 (en) * | 2012-07-05 | 2014-01-09 | 大庆红祥寓科技有限公司 | Combined string for straddle test and bit perforation |
| CN105587274A (en) * | 2014-11-17 | 2016-05-18 | 张路铭 | Concentric tube straddle downward return perforating, testing, liquid draining and modifying system and operation method |
-
2002
- 2002-06-03 CN CN 02235671 patent/CN2540506Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395428C (en) * | 2006-03-24 | 2008-06-18 | 中国石油天然气股份有限公司 | Fracturing four-linkage method |
| CN102312665A (en) * | 2011-09-21 | 2012-01-11 | 中国石油化工股份有限公司 | Stratum perforation test device |
| WO2014005420A1 (en) * | 2012-07-05 | 2014-01-09 | 大庆红祥寓科技有限公司 | Combined string for straddle test and bit perforation |
| CN105587274A (en) * | 2014-11-17 | 2016-05-18 | 张路铭 | Concentric tube straddle downward return perforating, testing, liquid draining and modifying system and operation method |
| CN108756779A (en) * | 2014-11-17 | 2018-11-06 | 乌鲁木齐九品芝麻信息科技有限公司 | Concentric tube under across returning perforation, test, drain, modernization system and operating method |
| CN108843257A (en) * | 2014-11-17 | 2018-11-20 | 乌鲁木齐九品芝麻信息科技有限公司 | Concentric tube under across returning perforation, test, drain, modernization system and operating method |
| CN108843257B (en) * | 2014-11-17 | 2019-09-27 | 颜禾智能科技(浙江)有限公司 | Concentric tube under across returning perforation, test, drain, modernization system and operating method |
| CN108756779B (en) * | 2014-11-17 | 2019-11-01 | 扬州市双龙工业设备安装有限公司 | Concentric tube under across returning perforation, test, drain, modernization system and operating method |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120603 Granted publication date: 20030319 |