CN101220738A - Portable sand-prevention perforating tool capable of effectively locating sand prevention material - Google Patents
Portable sand-prevention perforating tool capable of effectively locating sand prevention material Download PDFInfo
- Publication number
- CN101220738A CN101220738A CNA2007100172188A CN200710017218A CN101220738A CN 101220738 A CN101220738 A CN 101220738A CN A2007100172188 A CNA2007100172188 A CN A2007100172188A CN 200710017218 A CN200710017218 A CN 200710017218A CN 101220738 A CN101220738 A CN 101220738A
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- Prior art keywords
- sand
- prevention
- sand prevention
- sleeve pipe
- energetic material
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- 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.)
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- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a carrying type sand prevention perforation gun, which additionally arranges energy-containing material at the proper position of a compartment loaded with sand prevention materials; the energy-containing material is led to enter a porthole at first and explodes, the energy-containing material applies work by explosion and pushes the network formed by the sand prevention material to move toward the bushing direction and finally be positioned around the sleeving to realize the sand controlling result of an oil and gas well.
Description
Technical field:
What the present invention relates to is the oil-gas well perforator field, specifically, is in loading the cabin body of sand prevention material, installs energetic material additional, makes to carry sand prevention material that the formula perforator carried and realize the sand control function around effectively being positioned at sleeve pipe.
Background technology:
In recent years, domestic researcher has done a lot of work to carrying formula sand control perforator, has also applied for some patents, but has a key technology not relate to, the orientation problem of sand prevention material in the duct that Here it is.Prior art also can be sent a certain amount of sand prevention material into the duct.The pestle body stream section of sand prevention material from jet obtains energy, pours the duct with very big speed, piles up from the depths, duct to the sleeve pipe direction, forms sand control plug net.Because sanding formation hardness is less, some is more open, and pore volume is bigger, so the sand control plug net that forms is piled up less than around the sleeve pipe, sand control plug net can not be subjected to enter sleeve pipe to the reservoir sand between the sleeve pipe with stopping, thereby causes the sand control failure.Carry formula sand control perforator and do not apply so far, direct relation is arranged therewith in the oil field.See Fig. 1 and Fig. 2.
Summary of the invention:
The present invention is directed to the problems referred to above and provide a kind of new solution, it is that suitable position in the body of cabin installs energetic material additional, in the jet course of conveying, earlier energetic material is sent into the duct, make sand prevention material following closely again, be subjected to forming the plug net behind the resistance, after energetic material arrives the depths, duct, blast or detonation, the plug net that sand prevention material is formed promotes to the sleeve pipe direction, up to being stopped by the sleeve pipe hangnail.Sand control plug net just is positioned at ideal position like this, has realized the purpose of perforation sand control.The present invention is described in detail below in conjunction with accompanying drawing and specific embodiments.
Description of drawings:
Fig. 1 carries formula sand control perforator structure principle chart,
Fig. 2 is the existing formula sand control perforator operation effectiveness figure that carries,
Fig. 3 is the formula that the carries sand control perforator schematic diagram of employing new departure of providing of the present invention,
Fig. 4 is the operation effectiveness figure that the present invention carries formula sand control perforator,
Among the figure: 1 perforating bullet, 2 cabin bodies, 3 propellants, 4 sand prevention materials, 5 sleeve pipes, 6 cementing concretes, 7 ducts, 8 stratum, 9 are deposited in sand control plug net, 10 new departures of the present invention of depths, duct---and the energetic material, 12 that installs additional in position in energetic material, 11 blasts is positioned at sleeve pipe sand control plug net, 13 body of a guies on every side.
The specific embodiment:
Install energetic material 10 additional in position as shown in Figure 3.After the perforating bullet detonation bored a hole in the body of a gun, sleeve pipe and stratum, ignite propellant 3 simultaneously, propellant 3 is at first pushed energetic material 10 to jet, then sand prevention material 4 is also pushed to jet, after energetic material reached the depths, duct, sand prevention material was piled into the plug net thereafter, after energetic material detonates, promote sand control plug net to the motion of sleeve pipe direction, at last sand control plug net is positioned at around the sleeve pipe, be positioned at optimal position.
Claims (3)
1. one kind carries formula sand control perforator, it is characterized in that, installs energetic material additional in the cabin body that loads sand prevention material.
2. device according to claim 1 is characterized in that, the position that installs energetic material additional can make energetic material at first enter the duct.
3. device according to claim 1 is characterized in that, energetic material explodes after entering the duct, and the plug net that the energy promotion sand prevention material that blast produces forms moves to the sleeve pipe direction, is positioned at around the sleeve pipe at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100172188A CN101220738A (en) | 2007-01-11 | 2007-01-11 | Portable sand-prevention perforating tool capable of effectively locating sand prevention material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100172188A CN101220738A (en) | 2007-01-11 | 2007-01-11 | Portable sand-prevention perforating tool capable of effectively locating sand prevention material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101220738A true CN101220738A (en) | 2008-07-16 |
Family
ID=39630785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100172188A Pending CN101220738A (en) | 2007-01-11 | 2007-01-11 | Portable sand-prevention perforating tool capable of effectively locating sand prevention material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101220738A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200005A (en) * | 2011-04-27 | 2011-09-28 | 中国石油天然气股份有限公司 | Integral-sealing perforation sand prevention device |
-
2007
- 2007-01-11 CN CNA2007100172188A patent/CN101220738A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200005A (en) * | 2011-04-27 | 2011-09-28 | 中国石油天然气股份有限公司 | Integral-sealing perforation sand prevention device |
| CN102200005B (en) * | 2011-04-27 | 2015-05-06 | 中国石油天然气股份有限公司 | Integral-sealing perforation sand prevention device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20080716 |