CN102839957A - Pulse detonation fracturing device for ultra high-temperature high-pressure well - Google Patents
Pulse detonation fracturing device for ultra high-temperature high-pressure well Download PDFInfo
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- CN102839957A CN102839957A CN201210327368XA CN201210327368A CN102839957A CN 102839957 A CN102839957 A CN 102839957A CN 201210327368X A CN201210327368X A CN 201210327368XA CN 201210327368 A CN201210327368 A CN 201210327368A CN 102839957 A CN102839957 A CN 102839957A
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- 238000005474 detonation Methods 0.000 title claims abstract description 41
- 239000003721 gunpowder Substances 0.000 claims abstract description 84
- 238000010304 firing Methods 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 12
- 229910052755 nonmetal Inorganic materials 0.000 claims description 8
- 239000013618 particulate matter Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 3
- 239000006004 Quartz sand Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 230000000638 stimulation Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/263—Methods for stimulating production by forming crevices or fractures using explosives
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
- E21B43/117—Shaped-charge perforators
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- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a pulse detonation fracturing device capable of being suitable for an ultra high-temperature high-pressure well. The pulse detonation fracturing device comprises a high-temperature high-pressure igniter, a fracturing gun barrel, a high-temperature resistant waterproof gunpowder, a central gun barrel system and a gun breech or connectors, wherein the fracturing gun barrel is provided with a pressure relief hole; the central gun barrel system is a main pressure-bearing body and comprises a thick-wall gun barrel, a drilling bullet, a detonating cord and a bullet rack pipe, and the central gun barrel system can not only bear a high-temperature high-pressure environment inside a well, but also reliably ignite the high-temperature resistant waterproof gunpowder. The pulse detonation fracturing device disclosed by the invention supports the ultra high-pressure environment inside the well by utilizing the thick-wall gun barrel and ignites the high-temperature resistant waterproof gunpowder by utilizing detonation waves generated in such a way that a hole is drilled in the thick-wall gun barrel by the drilling bullet; and according to the invention, the high-temperature resistant waterproof gunpowder is filled in the fracturing gun barrel and used for a high-temperature high-pressure well with the depth being more than 5000m and the pressure being more than 70MPa. The pulse detonation fracturing device disclosed by the invention can be in series connected into a fracturing pipe string by adopting the connectors to be used for the fracturing, the plug removal and the yield increase of a long-well section and large-span or horizontal well.
Description
Technical field
The invention belongs to technical field of petroleum extraction, relate to a kind of pulse detonation fracturing device, particularly a kind of pulse detonation fracturing device that is used for the superhigh-temperature and-pressure well.
Background technology
At present all have mature technique both at home and abroad with the pressure break measure of interior shallow well to 5000m.United States Patent (USP) (USP 5775426) discloses a kind of device of making seam at the compound grain of perforator outside suit to oil gas well enforcement perforating and fracturing; This installs the gunpowder outside the rifle that when perforating bullet penetrates perforating gun and sleeve pipe, ignites; Gunpowder is contained in outside the perforating gun during owing to go into the well; Only set upright, be easy to take place the borehole wall and gunpowder friction incidents of spontaneous combustion for deep-well, high angle hole with centering ring.One Chinese patent application (application number: 200910023430.4) disclose a kind of pulse fracturing sand injector for horizontal wells, adopted compound gunpowder is contained in the screen casing, with the igniting of the linear ignition tool in the central tube central tube gunpowder outward that ignites.This device solves gunpowder when going into the well directly with the problem of pipe friction, but center tube wall is thin, not anti-high pressure, when employing heavy wall central tube, the linear ignition tool again can't normal ignition, therefore, this installs high pressure resistant limited.Along with the increase of the oil and gas exploitation degree of depth, the pressure-bearing index and the heat resistance of existing fracturing device are had higher requirement.
In sum, present fracturing device also can't satisfy 70MPa, the technical indicator more than 180 ℃ because of the defective that structure design exists.
Summary of the invention
Defective or deficiency to prior art exists the objective of the invention is to, and propose a kind of pulse detonation fracturing device that is applicable to the superhigh-temperature and-pressure well.
In order to realize above-mentioned task, the present invention takes following technical solution to be achieved:
A kind of pulse detonation fracturing device that is used for the superhigh-temperature and-pressure well is characterized in that, comprises HTHP igniter, pressure break gun barrel, high temperature resistant waterproof gunpowder, center gun barrel system and gun breech or jointing.Wherein, described pressure break gun barrel has relief hole, and high temperature resistant waterproof gunpowder and center gun barrel system are positioned at the pressure break gun barrel, and the center gun barrel system is the pressure-bearing main body, is made up of Heavy Barrel, perforate bullet, detonating fuse and firing mount pipe.The center gun barrel system can either bear the bad border of HTHP in the well, again can reliable ignition high temperature resistant waterproof gunpowder.This device utilizes Heavy Barrel to support the ultra-high voltage environment in the well; Utilize the perforate bullet detonation wave that perforate produces on Heavy Barrel to light the high temperature resistant waterproof gunpowder; Powder burning after igniting produces high temperature and high pressure gas target zone is implemented fracturing reform, reaches de-plugging, the effect of depollution.The high temperature resistant waterproof gunpowder is contained in the pressure break gun barrel during use, can avoid go into the well gunpowder and wall friction, is used for well depth and surpasses 5000m, and well is pressed greater than the hp-ht well more than the 70MPa, has obvious effect of increasing production, safe and reliable characteristics.The pressure break pipe string that this device adopts jointing can be concatenated into some length is used for the pressure break plugging removal and stimulation of long well section, large span or horizontal well.
Another kind of the present invention is used for the alternative structure A of the pulse detonation fracturing device of superhigh-temperature and-pressure well, comprises HTHP igniter, pressure break gun barrel, high temperature resistant gunpowder, perforate bullet, detonating fuse and firing mount pipe and gun breech or jointing.Wherein, high temperature resistant gunpowder is positioned at the pressure break gun barrel, and the pressure break gun barrel need not to have relief hole, also need not Heavy Barrel.Down-hole high pressure is born by the pressure break gun barrel of atresia.The HTHP igniter detonates behind the detonating fuse, and the perforate bullet is left eyelet at the pressure break gun barrel, and the detonation of the bullet of perforate simultaneously involves the fragment high temperature resistant gunpowder in the pressure break gun barrel that ignites, and this high temperature resistant gunpowder ignites pre-installed in confined space, may not request waterproof.High temperature resistant powder burning after igniting produces high temperature and high pressure gas and through the eyelet that the perforate bullet produces target zone is implemented fracturing reform, reaches de-plugging, the effect of depollution.The pressure break gun barrel string that this device adopts public female jointing also can be concatenated into some length is used for the pressure break plugging removal and stimulation of long well section, large span or horizontal well.
Another alternative structure B that is used for the pulse detonation fracturing device of superhigh-temperature and-pressure well of the present invention comprises HTHP igniter, non-metal shell, high temperature resistant waterproof gunpowder, center gun barrel system and gun breech or jointing.High temperature resistant waterproof gunpowder and center gun barrel system are positioned at non-metal shell, and the center gun barrel system is the pressure-bearing main body, are made up of Heavy Barrel, perforate bullet, detonating fuse and firing mount pipe.The center gun barrel system can either bear the bad border of HTHP in the well, again can reliable ignition high temperature resistant waterproof gunpowder.This device utilizes Heavy Barrel to support the ultra-high voltage environment in the well, utilizes the perforate bullet detonation wave that perforate produces on Heavy Barrel to light the high temperature resistant waterproof gunpowder, during use; The high temperature resistant waterproof gunpowder has non-metal shell outward, the high temperature resistant waterproof gunpowder and the borehole wall is effectively separated high temperature resistant waterproof gunpowder and wall friction in the time of can avoiding going into the well; Be used for well depth and surpass 5000m; Well is pressed greater than the hp-ht well more than the 70MPa, has obvious effect of increasing production, safe and reliable characteristics.The pressure break gun barrel string that this device adopts public female jointing can be concatenated into some length is used for the pressure break plugging removal and stimulation of long well section, large span or horizontal well.
Of the present invention another be used for the alternative structure C of the pulse detonation fracturing device of superhigh-temperature and-pressure well, comprise HTHP igniter, high temperature resistant waterproof gunpowder, center gun barrel system and gun breech or jointing.The center gun barrel system is the pressure-bearing main body, is made up of Heavy Barrel, perforate bullet, detonating fuse and firing mount pipe.The shape of high temperature resistant waterproof gunpowder is a powder column, and directly between socket HTHP igniter and the center gun barrel system, the center gun barrel system directly connects gun breech or jointing.The diameter of HTHP igniter, jointing or gun breech all greater than the diameter of powder column, separates the high temperature resistant waterproof gunpowder and the borehole wall; The center gun barrel system can either bear the bad border of HTHP in the well, again can reliable ignition high temperature resistant waterproof gunpowder.This device utilizes Heavy Barrel to support the ultra-high voltage environment in the well; Utilize the perforate bullet detonation wave that perforate produces on Heavy Barrel to light the high temperature resistant waterproof gunpowder, the high temperature resistant waterproof powder burning after igniting produces high temperature and high pressure gas and through the eyelet that the perforate bullet produces target zone is implemented fracturing reform.Because the diameter of HTHP igniter, jointing or gun breech is all greater than the diameter of high temperature resistant waterproof gunpowder; Can the high temperature resistant waterproof gunpowder and the borehole wall be separated; The pipe string that high temperature resistant waterproof gunpowder and wall friction when avoiding going into the well, this device can be concatenated into some length is used for the pressure break plugging removal and stimulation of long well section, large span or horizontal well.
The pulse detonation fracturing device that is used for the superhigh-temperature and-pressure well of the present invention or its alternative structure A, B, C; Can evenly add higher solid particulate matter of intensity such as haydite, quartz sand, Metal Ball particle etc. in high temperature resistant waterproof gunpowder or the high temperature resistant gunpowder; This solid particulate matter of gas portability behind the powder burning gets into the crack through preforation tunnel; Be used to support the new crack that gases at high pressure press off on the stratum, thereby avoid closing up of cracks, have pressure break and add the sand double action.
Description of drawings
Fig. 1 is a kind of pulse detonation fracturing device structural representation that is used for the superhigh-temperature and-pressure well;
Fig. 2 is the cross section structure sketch map of Fig. 1;
Fig. 3 is the another kind of alternative structure A of this device;
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed description.
The specific embodiment
Need to prove; Following embodiment just is used to understand the present invention, the invention is not restricted to these embodiment, therefore; The interpolation that the technical characterictic of persons skilled in the art in the application's technical scheme done or alternative all should be regarded as within protection scope of the present invention.
In addition, it is well known in the art that the high temperature resistant waterproof gunpowder among the embodiment or high temperature resistant gunpowder are, and concrete preparation can be according to below with reference to document:
(1) Zhou Qihuai. gunpowder physical and chemical performance [M]. Beijing: National Defense Industry Press, 1983.
(2) Liu Jihua. gunpowder physical and chemical performance [M]. Beijing: publishing house of Beijing Institute of Technology, 1997.
(3) Zhang Shuanji, oil gas well burning blasting technique [M]. Xi'an: Shaanxi science tech publishing house, 2003.
Like Fig. 1, shown in Figure 2, present embodiment provides a kind of concrete structure that is used for the pulse detonation fracturing device of superhigh-temperature and-pressure well, comprises HTHP igniter 1, pressure break gun barrel 2, high temperature resistant waterproof gunpowder 3, center gun barrel system 4 and gun breech or jointing 5.Wherein, pressure break gun barrel 2 has relief hole 21.Center gun barrel system 4 is made up of Heavy Barrel 41, perforate bullet 42, detonating fuse 43 and firing mount pipe 44.The ultra-high voltage environment that this device utilizes Heavy Barrel 41 to support in the well, high temperature resistant waterproof gunpowder 3 is contained in the pressure break gun barrel 2, and high temperature resistant waterproof gunpowder 3 produces friction with the borehole wall in the time of can avoiding going into the well.After HTHP igniter 1 detonates; Through detonating fuse 43 propagation of explosions and the perforate bullet 42 that detonates, perforate bullet 42 is left eyelet on Heavy Barrel 41, and detonation product ejects from eyelet; Light high temperature resistant waterproof gunpowder 3; High temperature resistant waterproof gunpowder 3 burnings after igniting produce high temperature and high pressure gas target zone are implemented fracturing reform, reach de-plugging, the effect of depollution.
As shown in Figure 3; Present embodiment provides the alternative structure A that another kind is used for the pulse detonation fracturing device of superhigh-temperature and-pressure well, comprise HTHP igniter 1, pressure break gun barrel 2 ', high temperature resistant gunpowder 3 ', perforate bullet 42, detonating fuse 43 and firing mount pipe 44 and gun breech or jointing 5.Wherein, pressure break gun barrel 2 ' need not out relief hole also need not to install Heavy Barrel 41.Down-hole high pressure is by the pressure break gun barrel 2 of atresia ' bear, and high temperature resistant waterproof gunpowder 3 is contained in the pressure break gun barrel 2 of not opening relief hole, high temperature resistant gunpowder 3 ' may not request waterproof.After HTHP igniter 1 detonates; Through detonating fuse 43 propagation of explosions and the perforate bullet 42 that detonates; Perforate bullet 42 is at pressure break gun barrel 2 ' leave eyelet, the detonation of the bullet of perforate simultaneously involve fragment ignite high temperature resistant gunpowder 3 in the pressure break gun barrel ', the powder burning after igniting produces high temperature and high pressure gas and through the eyelet that the perforate bullet produces target zone is implemented fracturing reform; Reach de-plugging, the effect of depollution.
Present embodiment provides another alternative structure B that is used for the pulse detonation fracturing device of superhigh-temperature and-pressure well, comprises HTHP igniter 1, non-metal shell 2 ", high temperature resistant waterproof gunpowder 3, center gun barrel system 4 and gun breech or jointing 5.Center gun barrel system 4 is made up of Heavy Barrel 41, perforate bullet 42, detonating fuse 43 and firing mount pipe 44.Wherein, high temperature resistant waterproof gunpowder 3 is positioned at non-metal shell 2 with center gun barrel system 4 ", center gun barrel system 4 is pressure-bearing main bodys, is made up of Heavy Barrel 41, perforate bullet 42, detonating fuse 43 and firing mount pipe 44; The ultra-high voltage environment that this device utilizes Heavy Barrel 41 to support in the well has non-metal shell 2 outside the high temperature resistant waterproof gunpowder 3 ", the high temperature resistant waterproof gunpowder 3 and the borehole wall are separated high temperature resistant waterproof gunpowder 3 and wall friction in the time of can avoiding going into the well.After HTHP igniter 1 detonates; Through detonating fuse 43 propagation of explosions and the perforate bullet 42 that detonates, perforate bullet 42 is left eyelet on Heavy Barrel 41, and detonation product ejects from eyelet; Light high temperature resistant waterproof gunpowder 3; High temperature resistant waterproof gunpowder 3 burnings after igniting produce high temperature and high pressure gas target zone are implemented fracturing reform, reach de-plugging, the effect of depollution.
Present embodiment provides another alternative structure C that is used for the pulse detonation fracturing device of superhigh-temperature and-pressure well, comprises HTHP igniter 1, high temperature resistant waterproof gunpowder 3, center gun barrel system 4 and gun breech or jointing 5.The shape of high temperature resistant waterproof gunpowder 3 is powder columns, and directly between socket HTHP igniter 1 and the center gun barrel system 4, center gun barrel system 4 directly connects gun breech or jointing 5; Center gun barrel system 4 is made up of Heavy Barrel 41, perforate bullet 42, detonating fuse 43 and firing mount pipe 44.The ultra-high voltage environment that this device utilizes Heavy Barrel 41 to support in the well; During making; The diameter of HTHP igniter 1, jointing or gun breech 5 is all greater than high temperature resistant waterproof gunpowder 3 diameters; Can the high temperature resistant waterproof gunpowder 3 and the borehole wall be separated, produce with the borehole wall when avoiding high temperature resistant waterproof gunpowder 3 to go into the well and rub.After HTHP igniter 1 detonates; Through detonating fuse 43 propagation of explosions and the perforate bullet 42 that detonates, perforate bullet 42 is left eyelet on Heavy Barrel 41, and detonation product ejects from eyelet; Light high temperature resistant waterproof gunpowder 3; High temperature resistant waterproof gunpowder 3 burnings after igniting produce high temperature and high pressure gas target zone are implemented fracturing reform, reach de-plugging, the effect of depollution.
The above-mentioned pulse detonation fracturing device that is used for the superhigh-temperature and-pressure well or its replacement device A, B, C all can adopt jointing to be concatenated into the pressure break pipe string of some length, are used for the pressure break plugging removal and stimulation of long well section, large span or horizontal well.
During the pulse detonation fracturing device construction that is used for the superhigh-temperature and-pressure well of the present invention, require to assemble each assembly with interlayer, then on ground or hang in well head each assembly is coupled together according to handling stratum length.Adopt tubing transmission or cable transmission mode that this device is sent into the down-hole interval of interest, behind dark location, school, the tubing transmission mode adopts well head caber or pressurization to detonate.The cable transmission mode adopts the cable energising to detonate.In the 30min after the igniting, be energy release time, dump energy discharges through the well head pipeline, treat behind the 30min and well head well liquid gush finish after, close well head and observe well and press, treat that well is pressed to reclaim the device of going into the well again after stable.
Claims (7)
1. a pulse detonation fracturing device that is used for the superhigh-temperature and-pressure well is characterized in that, comprises HTHP igniter (1), pressure break gun barrel (2), high temperature resistant waterproof gunpowder (3), center gun barrel system (4) and gun breech or jointing (5); Wherein, described pressure break gun barrel (2) has relief hole (21), and high temperature resistant waterproof gunpowder (3) and center gun barrel system (4) are positioned at pressure break gun barrel (2); Described center gun barrel system (4) is the pressure-bearing main body, is made up of Heavy Barrel (41), perforate bullet (42), detonating fuse (43) and firing mount pipe (44); Described Heavy Barrel (41) is used to support the ultra-high voltage environment in the well; The detonation wave that utilizes perforate bullet (42) to go up the perforate generation at Heavy Barrel (41) is lighted high temperature resistant waterproof gunpowder (3), and high temperature resistant waterproof gunpowder (3) burning after igniting produces high temperature and high pressure gas and through the eyelet that perforate bullet (42) produces target zone implemented fracturing reform.
2. pulse detonation fracturing device that is used for the superhigh-temperature and-pressure well; It is characterized in that, comprise HTHP igniter (1), pressure break gun barrel (2 '), high temperature resistant gunpowder (3 ') and gun breech or jointing (5), wherein; Described high temperature resistant gunpowder (3 ') is positioned at pressure break gun barrel (2 '); Pressure break gun barrel (2 ') is not opened relief hole, directly bears down-hole high pressure, and perforate bullet (42), detonating fuse (43) and firing mount pipe (44) are housed; HTHP igniter (1) detonates behind the detonating fuse (43); Perforate bullet (42) is left eyelet at pressure break gun barrel (2 '); Perforate bullet detonation simultaneously involves the fragment high temperature resistant gunpowder (3 ') in the pressure break gun barrel that ignites; This high temperature resistant gunpowder (3 ') ignites pre-installed in confined space, does not require waterproof; High temperature resistant gunpowder (3 ') burning after igniting produces high temperature and high pressure gas and through the eyelet that the perforate bullet produces (42) target zone is implemented fracturing reform.
3. a pulse detonation fracturing device that is used for the superhigh-temperature and-pressure well is characterized in that, comprises HTHP igniter (1), non-metal shell (2 "), high temperature resistant waterproof gunpowder (3), center gun barrel system (4) and gun breech or jointing (5); Wherein, Described high temperature resistant waterproof gunpowder (3) and center gun barrel system (4) be positioned at non-metal shell (2 "); described center gun barrel system (4) is the pressure-bearing main body are made up of Heavy Barrel (41), perforate bullet (42), detonating fuse (43) and firing mount pipe (44); Wherein, Heavy Barrel (41) is used to support the ultra-high voltage environment in the well; The detonation wave that utilizes perforate bullet (42) to go up the perforate generation at Heavy Barrel (41) is lighted high temperature resistant waterproof gunpowder (3), and high temperature resistant waterproof gunpowder (3) burning after igniting produces high temperature and high pressure gas and through the eyelet that perforate bullet (42) produces target zone implemented fracturing reform.
4. a pulse detonation fracturing device that is used for the superhigh-temperature and-pressure well is characterized in that, comprises HTHP igniter (1), high temperature resistant waterproof gunpowder (3), center gun barrel system (4) and gun breech or jointing (5); Wherein, the shape of described high temperature resistant waterproof gunpowder (3) is a powder column, and directly between socket HTHP igniter (1) and the center gun barrel system (4), center gun barrel system (4) directly connects gun breech or jointing (5); The diameter of HTHP igniter (1), jointing or gun breech (5) all greater than the diameter of powder column, separates the high temperature resistant waterproof gunpowder (3) and the borehole wall; Described center gun barrel system (4) is the pressure-bearing main body, is made up of Heavy Barrel (41), perforate bullet (42), detonating fuse (43) and firing mount pipe (44); Wherein, Heavy Barrel (41) is used to support the ultra-high voltage environment in the well; The detonation wave that utilizes perforate bullet (42) to go up the perforate generation at Heavy Barrel (41) is lighted high temperature resistant waterproof gunpowder (3), and high temperature resistant waterproof gunpowder (3) burning after igniting produces high temperature and high pressure gas and through the eyelet that perforate bullet (42) produces target zone implemented fracturing reform.
5. like claim 1, the 3 or 4 described pulse detonation fracturing devices that are used for the superhigh-temperature and-pressure well; It is characterized in that; Be added with solid particulate matter in the described high temperature resistant waterproof gunpowder (3), the gas portability solid particulate matter behind the powder burning gets into the crack through preforation tunnel.
6. the pulse detonation fracturing device that is used for the superhigh-temperature and-pressure well as claimed in claim 2; It is characterized in that; Evenly be added with solid particulate matter in the described high temperature resistant gunpowder (3 '), the gas portability solid particulate matter behind the powder burning gets into the crack through preforation tunnel.
7. like claim 6 or the 7 described pulse detonation fracturing devices that are used for the superhigh-temperature and-pressure well, it is characterized in that described solid particulate matter is haydite, quartz sand or Metal Ball particle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210327368.XA CN102839957B (en) | 2012-09-06 | 2012-09-06 | Pulse detonation fracturing device for ultra high-temperature high-pressure well |
| US13/675,181 US20140060839A1 (en) | 2012-09-06 | 2012-11-13 | Fracturing a well formation |
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| CN201210327368.XA CN102839957B (en) | 2012-09-06 | 2012-09-06 | Pulse detonation fracturing device for ultra high-temperature high-pressure well |
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| CN102839957B CN102839957B (en) | 2015-03-25 |
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| CN101619654A (en) * | 2009-07-27 | 2010-01-06 | 西安近代化学研究所 | Pulse fracturing sand injector for horizontal wells |
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Cited By (8)
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| CN103352684A (en) * | 2013-07-15 | 2013-10-16 | 中北大学 | Chemical and physical combined explosion fracturing device and manufacturing method thereof |
| CN103352684B (en) * | 2013-07-15 | 2015-12-02 | 中北大学 | Chemical Physics compound explosion fracturing equipment and manufacture method thereof |
| CN103590802A (en) * | 2013-11-26 | 2014-02-19 | 西安通源石油科技股份有限公司 | Horizontal well staged fracturing device and method |
| CN103590802B (en) * | 2013-11-26 | 2017-01-11 | 西安通源石油科技股份有限公司 | horizontal well staged fracturing device and method |
| CN104481492A (en) * | 2014-12-02 | 2015-04-01 | 刘玉明 | Heat source fracturing method and device based on electromagnetic heating excitation |
| CN105298534A (en) * | 2015-11-25 | 2016-02-03 | 中国矿业大学(北京) | Light dydrocarbon explosion fracturing anti-reflection device |
| CN105781458A (en) * | 2016-03-02 | 2016-07-20 | 中国海洋石油总公司 | Wellhead pressure relief method during deflagration fracturing of offshore platform |
| CN105781458B (en) * | 2016-03-02 | 2018-02-23 | 中国海洋石油总公司 | A kind of offshore platform explosion fracturing well head pressure releasing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102839957B (en) | 2015-03-25 |
| US20140060839A1 (en) | 2014-03-06 |
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