CN102121361A - Multi-phase underground injector - Google Patents
Multi-phase underground injector Download PDFInfo
- Publication number
- CN102121361A CN102121361A CN2011100032973A CN201110003297A CN102121361A CN 102121361 A CN102121361 A CN 102121361A CN 2011100032973 A CN2011100032973 A CN 2011100032973A CN 201110003297 A CN201110003297 A CN 201110003297A CN 102121361 A CN102121361 A CN 102121361A
- Authority
- CN
- China
- Prior art keywords
- hole
- transmitting tube
- injection
- tube
- seat
- 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.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
- E21B33/138—Plastering the borehole wall; Injecting into the formation
Abstract
The invention discloses a multi-phase underground injector, which belongs to the technical field of underground tools of petroleum drilling, and is a multipurpose tool capable of blocking underground leakage and strengthening a well wall. An axial through hole is formed in the center of a transmitting tube; one end of the transmitting tube is connected with an ellipsoidal guide head; at least two groups of seat holes are distributed along the length direction of the transmitting tube; each group of seat holes is provided with at least two axially and symmetrically distributed seat holes; the inner end of each seat hole is communicated with the axial through hole; an injection cylinder is arranged in each seat hole through a base; and an ammunition cavity is formed between the base and the seat hole. The multi-phase underground injector has a simple structure and is convenient to operate, glue solution is injected to block the leakage passage in a stratum, extrusion force and shearing force are applied to rock so as to reduce or eliminate a crack, the wall can be strengthened quickly and effectively, the effect is good, the leakage accident can be effectively prevented, and the underground safety can be guaranteed.
Description
Technical field
The invention belongs to oil drilling downhole tool technical field, is a kind of all-purpose instrument that can stop up the down-hole leakage, reinforce the borehole wall.
Background technology
Leakage often takes place in the drilling process, and slight leakage can make drilling well work interrupt, and serious leakage will delay a large amount of production times, expends a large amount of man power and materials.Can not get timely processing as leakage, also can cause well slough, blowout and lock of tool drilling, cause scrapping of part well section or full well section, is very important work so handle in time that leakage recovers normally to creep into.Have, in the well cementation process, the well section that has can not be born the head of liquid of cement paste, also can produce leakage again, causes the well cementation failure, in this case, is necessary the lower well section of pressure-bearing is reinforced.
Summary of the invention
The object of the invention is to design a kind of leggy injection down-hole device, by injecting the leakage channel on glue shutoff stratum, rock is applied extruding and shearing force the crack is reduced or eliminate, thereby reach the purpose of leak stopping.
The present invention includes transmitting tube, axially extending bore is offered at center at described transmitting tube, end at transmitting tube connects ellipsoid shape target seeker, length direction along transmitting tube is arranged at least two group seat holes, every group of seat hole is provided with the seat hole that at least two radial symmetric are arranged, the inner in each hole is communicated with described axially extending bore respectively, by base injection tube is set in each hole, between described base and seat hole the ammunition chamber is set.
Before going into the well, load onto sebific duct in each injection tube, in each ammunition chamber explosive is installed, in the axially extending bore of the center of transmitting tube detonating fuse is set, an end of detonating fuse is connected with explosive in each ammunition chamber, the other end then is drawn out on the aboveground ignition controller.Ellipsoid shape target seeker is connected transmitting tube down with drilling rod, the present invention is gone into the well.When transmitting tube arrives the precalculated position, down-hole, to the initiator pressurization or by igniting controller, light detonating fuse by the liquid in the drilling rod, ignition charge, injection tube is injected the borehole wall under the effect of explosive, and rock squeezes packing element broken, glue enters rock crevice, reaches solid wall purpose.
The present invention is simple in structure, and handled easily by injecting the leakage channel on glue shutoff stratum, applies extruding and shearing force to rock and the crack is reduced or eliminates, and Gu Bi rapidly and effective, effective can effectively prevent the generation of leakage accident, the guarantee downhole safety.
Go into the well for convenience, described base of the present invention is provided with the inner in present hole, and the outer end in present hole is provided with injection tube, and the inner of injection tube is threaded in the outer end of base, and the through hole of some perforations is set in the front end side wall of injection tube.
The outer end of injection tube of the present invention protrudes from the external surface of transmitting tube, comes off for the collision of protecting injection tube to avoid the borehole wall causes, and the distance of the outer end of injection tube and transmitting tube axis is less than the distance of target seeker maximum outside diameter and transmitting tube axis.
The two ends of transmitting tube of the present invention are provided with male thread and the box thread that cooperatively interacts.Go into the well after can adopting a plurality of transmitting tubes to interconnect, regulate the length of solid wall well section.
Described target seeker is threaded on the transmitting tube.Target seeker only need be connected on the next stage transmitting tube and get final product.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 be among Fig. 1 A-A to profile.
The specific embodiment
As shown in Figure 1, 2, transmitting tube 1 left end of the present invention is provided with box thread 1-1, is used for jointed rod or another root transmitting tube 5, and transmitting tube 1 right-hand member is provided with male thread 1-2, and ellipsoid shape target seeker 2 or the 3rd transmitting tube are used to be threaded.
Offer axially extending bore 1-3 at the center of transmitting tube 1, arrange at least two group seat holes along the length direction of transmitting tube 1, every group of seat hole is provided with the seat hole 1-4 that three radial symmetric are arranged at least, and the inner center of each hole 1-4 is communicated with axially extending bore 1-3 respectively.
In the inner of each hole 1-4 base 3 is set, the outer end of present hole 1-4 is provided with injection tube 4, and the inner of injection tube 4 is threaded in the outer end of base 3, at the front end and the sidewall of injection tube 4 through hole 4-1, the 4-2 that is communicated with injection tube 4 centers is set respectively.Between base 3 and seat hole 1-4, ammunition chamber 3-1 is set.The outer end of each injection tube 4 protrudes from the external surface of transmitting tube 1.The distance of the outer end of injection tube 4 and transmitting tube 1 axis is less than the distance of target seeker 2 maximum outside diameters and transmitting tube 1 axis.
Claims (5)
1. leggy injection down-hole device, it is characterized in that comprising transmitting tube, axially extending bore is offered at center at described transmitting tube, end at transmitting tube connects ellipsoid shape target seeker, length direction along transmitting tube is arranged at least two group seat holes, and every group of seat hole is provided with the seat hole that at least two radial symmetric are arranged, the inner in each hole is communicated with described axially extending bore respectively, in each hole, injection tube is set, between described base and seat hole, the ammunition chamber is set by base.
2. according to the described leggy injection down-hole of claim 1 device, it is characterized in that described base is provided with the inner in present hole, the outer end in present hole is provided with injection tube, and the inner of injection tube is threaded in the outer end of base, at the front end and the sidewall of injection tube the through hole that is communicated with injection tube is set respectively.
3. according to the described leggy injection down-hole of claim 1 device, it is characterized in that the outer end of described injection tube protrudes from the external surface of transmitting tube, the distance of the outer end of injection tube and transmitting tube axis is less than the distance of target seeker maximum outside diameter and transmitting tube axis.
4. according to the described leggy injection down-hole of claim 1 device, it is characterized in that the two ends of described transmitting tube are provided with male thread and the box thread that cooperatively interacts.
5. according to the described leggy injection down-hole of claim 4 device, it is characterized in that described target seeker is threaded on the transmitting tube.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100032973A CN102121361B (en) | 2011-01-10 | 2011-01-10 | Multi-phase underground injector |
| US13/574,721 US20120298364A1 (en) | 2011-01-10 | 2011-04-08 | Multi-phase down hole injector |
| BR112012022858A BR112012022858A2 (en) | 2011-01-10 | 2011-04-08 | multi-phase downhole injector and wall reinforcement method |
| PCT/CN2011/072538 WO2012094854A1 (en) | 2011-01-10 | 2011-04-08 | Multi-phase underground syringe and sidewall reinforcement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100032973A CN102121361B (en) | 2011-01-10 | 2011-01-10 | Multi-phase underground injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102121361A true CN102121361A (en) | 2011-07-13 |
| CN102121361B CN102121361B (en) | 2013-05-08 |
Family
ID=44250009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100032973A Expired - Fee Related CN102121361B (en) | 2011-01-10 | 2011-01-10 | Multi-phase underground injector |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20120298364A1 (en) |
| CN (1) | CN102121361B (en) |
| BR (1) | BR112012022858A2 (en) |
| WO (1) | WO2012094854A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930723A (en) * | 2017-02-15 | 2017-07-07 | 扬州大泽石油工程技术有限公司 | Cumulative binding type is nested leak stopping solid wall device and its application in solution cavity leak stopping |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115063B (en) * | 2018-07-16 | 2020-07-31 | 山东大学 | Portable kettle type water injection plugging device and method suitable for blast hole filling |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3437143A (en) * | 1966-12-27 | 1969-04-08 | Mobil Oil Corp | Formation consolidation |
| US5842519A (en) * | 1997-05-21 | 1998-12-01 | Marathon Oil Company | Process for reducing hydrocarbon leakage from a subterranean storage cavern |
| CN1924287A (en) * | 2006-09-05 | 2007-03-07 | 北京华油鼎力兴科技发展有限公司 | Plug-free cement filling method for well fixing |
| CN101270634A (en) * | 2008-04-25 | 2008-09-24 | 刘亚 | Down-hole wall-fixing method |
| CN101382060A (en) * | 2007-09-07 | 2009-03-11 | 普拉德研究及开发股份有限公司 | Shaped charge for acidizing treatment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2494256A (en) * | 1945-09-11 | 1950-01-10 | Gulf Research Development Co | Apparatus for perforating well casings and well walls |
| US2681110A (en) * | 1954-03-05 | 1954-06-15 | Harry W Harrison | Well tool |
| CN2213838Y (en) * | 1994-10-27 | 1995-11-29 | 大庆石油管理局采油工艺研究所 | Two-way spray mixed chemical shut-off device |
| CN2281415Y (en) * | 1996-08-15 | 1998-05-13 | 大庆石油管理局采油工艺研究所 | Two liquid mixer for chemical blocking process |
| CN2495808Y (en) * | 2000-07-18 | 2002-06-19 | 史慧生 | symmetric and composite perforating and sand-proof device for oil well |
| CA2568431C (en) * | 2005-11-18 | 2009-07-14 | Bj Services Company | Dual purpose blow out preventer |
| US20080000698A1 (en) * | 2006-06-28 | 2008-01-03 | Cobb Archie A | Drilling stabilizer |
-
2011
- 2011-01-10 CN CN2011100032973A patent/CN102121361B/en not_active Expired - Fee Related
- 2011-04-08 WO PCT/CN2011/072538 patent/WO2012094854A1/en active Application Filing
- 2011-04-08 BR BR112012022858A patent/BR112012022858A2/en not_active IP Right Cessation
- 2011-04-08 US US13/574,721 patent/US20120298364A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3437143A (en) * | 1966-12-27 | 1969-04-08 | Mobil Oil Corp | Formation consolidation |
| US5842519A (en) * | 1997-05-21 | 1998-12-01 | Marathon Oil Company | Process for reducing hydrocarbon leakage from a subterranean storage cavern |
| CN1924287A (en) * | 2006-09-05 | 2007-03-07 | 北京华油鼎力兴科技发展有限公司 | Plug-free cement filling method for well fixing |
| CN101382060A (en) * | 2007-09-07 | 2009-03-11 | 普拉德研究及开发股份有限公司 | Shaped charge for acidizing treatment |
| CN101270634A (en) * | 2008-04-25 | 2008-09-24 | 刘亚 | Down-hole wall-fixing method |
Non-Patent Citations (1)
| Title |
|---|
| 徐颖等: "冻结管爆破注浆加固技术研究", 《矿冶工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930723A (en) * | 2017-02-15 | 2017-07-07 | 扬州大泽石油工程技术有限公司 | Cumulative binding type is nested leak stopping solid wall device and its application in solution cavity leak stopping |
| US10822913B2 (en) | 2017-02-15 | 2020-11-03 | China University Of Petroleum-Beijing | Energy-gathered bundle type nesting plugging and wall reinforcing device and application thereof in karst cave plugging |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112012022858A2 (en) | 2019-09-24 |
| WO2012094854A1 (en) | 2012-07-19 |
| US20120298364A1 (en) | 2012-11-29 |
| CN102121361B (en) | 2013-05-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20170110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |