FIELD: methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells.
SUBSTANCE: device in accordance to the first embodiment comprises perforator with at least one explosive charge and pressure reduction means including heat absorbing means for quick explosive gas temperature reduction. In accordance to the second embodiment device has perforator with at least one explosive charge, explosive gas temperature reduction means and molar explosive gas density reduction means. Method involves utilizing perforator including explosive charges, blasting explosive charges and reducing explosive gas pressure near perforator by molar explosive gas density reduction.
EFFECT: improved hydrodynamic communication between reservoir and well bore and increased efficiency of pressure reduction in perforator after explosion.
42 cl, 1 tbl, 11 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD AND DEVICES TO CREATE TRANSITION PRESSURE CONDITION INSIDE WELL BORE | 2005 |
|
RU2310067C2 |
| METHOD AND COMPONENT USED WITH EXPLOSIVES | 2000 |
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| METHOD AND FACILITY FOR CONTROL OVER UNSTABLE STATE IN WELL BOREHOLE | 2003 |
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|
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|
RU2300626C2 |
| PROCEDURE FOR INCREASED PRODUCTION OF METHANE FROM COAL BEARING STRATA BY RAPID OXIDATION (VERSIONS) | 2007 |
|
RU2427707C2 |
| METHODS, DEVICES AND SYSTEMS OF ELECTRONIC TIME DELAY | 2007 |
|
RU2439482C2 |
| FACILITY AND METHODS FOR REMOVING FILTER CAKE FROM UNCASED BOREHOLE OF WELL | 2005 |
|
RU2360100C2 |
| PROCEDURE FOR FIRING PERFORATION HOLES IN UNDERGROUND FORMATION | 2007 |
|
RU2411353C2 |
| BOREHOLE PERFORATOR (VERSIONS), AND PERFORATION METHOD | 2008 |
|
RU2501939C2 |
