HYDROABRASIVE JET PERFORATOR

HYDROABRASIVE JET PERFORATOR

FIELD: oil and gas producing industry, particularly, devices for well perforating by directed hydroabrasive jets. SUBSTANCE: jet perforator has body carrying connecting member for joining with tubing, upper and lower nozzles installed in tiers relative to body, screw mechanism for rectilinear-rotary...

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Hauptverfasser: GIL'DEEVA I.M, BELONIN M.D, GIL'DEEV A.JU
Format: Patent
Sprache:eng
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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creator GIL'DEEVA I.M
BELONIN M.D
GIL'DEEV A.JU
description FIELD: oil and gas producing industry, particularly, devices for well perforating by directed hydroabrasive jets. SUBSTANCE: jet perforator has body carrying connecting member for joining with tubing, upper and lower nozzles installed in tiers relative to body, screw mechanism for rectilinear-rotary motion of body. Axes of upper and lower nozzles intersect at acute angle diverging from body with point of axes intersection located from back side of nozzles. Axes of upper and lower nozzle lie in plane inclined toward body axis at angle equaling angle of inclination of helical line of mechanism for body rectilinear-rotary motion. EFFECT: higher degree of perforation of producing formation. 2 cl, 7 dwg
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subjects 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
title HYDROABRASIVE JET PERFORATOR
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