METHOD OF FORMATION EXPOSING IN CASED HOLE

FIELD: oil and gas. ^ SUBSTANCE: present invention relates to the oil and gas industry. The method involves mechanical exposing of a formation by making openings, running a blast perforating gun into the well, and blasting its charges. Mechanical formation exposing is performed by hydromechanical gu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OSNOS VLADIMIR BORISOVICH, FAJZULLIN RASIKH NAFISOVICH, GABDULLIN RAFAGAT GABDELVALIEVICH, KHUSAINOV VASIL MUKHAMETOVICH, KHAMINOV NIKOLAJ IVANOVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	FIELD: oil and gas. ^ SUBSTANCE: present invention relates to the oil and gas industry. The method involves mechanical exposing of a formation by making openings, running a blast perforating gun into the well, and blasting its charges. Mechanical formation exposing is performed by hydromechanical guns, by making no less than two openings per a running metre of the perforation interval, with a cross-section area of 4.5-5 cm2 each, and burrs at the top and bottom of the openings, providing stress concentration and damping of mechanical waves after the charges of the blast-type gun are blast, and forming additional tunnels in the burr area. ^ EFFECT: increased payzone exposing efficiency. ^ 2 cl, 1 dwg