GEAR TO WASH TUBING STRINGS IN OIL AND GAS PRODUCING WELLS

GEAR TO WASH TUBING STRINGS IN OIL AND GAS PRODUCING WELLS

running of oil and gas producing wells tarred by asphalt-resinous and paraffin- hydrate deposits. SUBSTANCE: proposed gear has vessel and pump mounted on self- propelled vehicle with proper complementing equipment and rigging and well-head reinforcing binding of well. Complementing equipment include...

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Hauptverfasser: GALIULLIN R.T, GALIULLIN T.S, JAKUPOV N.R, GABDRAKHMANOV N.KH, NIZOV V.A
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 GALIULLIN R.T
GALIULLIN T.S
JAKUPOV N.R
GABDRAKHMANOV N.KH
NIZOV V.A
description running of oil and gas producing wells tarred by asphalt-resinous and paraffin- hydrate deposits. SUBSTANCE: proposed gear has vessel and pump mounted on self- propelled vehicle with proper complementing equipment and rigging and well-head reinforcing binding of well. Complementing equipment includes lubricator with built-in cock, gland seal and hollow rod bonded to gland seal by means of separable cover mounted for vertical movement and fixed in extreme positions. Upper tip of rod carries shut-off element and unit connecting pump with feeding pipeline. In extreme upper position of hollow rod its low tip is located above cock in lubricator. In extreme lower position lower tip of hollow rod is located beneath central gate valve. Lower tip has extension piece to form non-expanding flow of running out fluid with pressure exceeding linear pressure. EFFECT: expulsion of gas by fluid after shut-down of well by way of supply of expulsion agent through central pipe, reduced amount of reagents used to treat well and decreased washing time. 1 cl, 1 dwg
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SUBSTANCE: proposed gear has vessel and pump mounted on self- propelled vehicle with proper complementing equipment and rigging and well-head reinforcing binding of well. Complementing equipment includes lubricator with built-in cock, gland seal and hollow rod bonded to gland seal by means of separable cover mounted for vertical movement and fixed in extreme positions. Upper tip of rod carries shut-off element and unit connecting pump with feeding pipeline. In extreme upper position of hollow rod its low tip is located above cock in lubricator. In extreme lower position lower tip of hollow rod is located beneath central gate valve. Lower tip has extension piece to form non-expanding flow of running out fluid with pressure exceeding linear pressure. 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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 GEAR TO WASH TUBING STRINGS IN OIL AND GAS PRODUCING WELLS
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