Orifice device for non-hoisting drilling water pressure test and using method thereof

Orifice device for non-hoisting drilling water pressure test and using method thereof

The invention discloses an orifice device for a non-hoisting drilling water pressure test and a using method thereof. The device comprises a conversion joint and a body. The upper part of the conversion joint is provided with a female joint, and the lower part of the conversion joint is provided wit...

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Hauptverfasser: GAO GUOYUN, SONG YANCHAO, YU CHANGFENG, REN HUIDA, GU KOUQUAN, LI PENGPENG, CAO XIAOWEI, LI XIAOHUI, WEI CHANGQING, GONG YAOCHONG
Format: Patent
Sprache:chi ; 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 GAO GUOYUN
SONG YANCHAO
YU CHANGFENG
REN HUIDA
GU KOUQUAN
LI PENGPENG
CAO XIAOWEI
LI XIAOHUI
WEI CHANGQING
GONG YAOCHONG
description The invention discloses an orifice device for a non-hoisting drilling water pressure test and a using method thereof. The device comprises a conversion joint and a body. The upper part of the conversion joint is provided with a female joint, and the lower part of the conversion joint is provided with a drill rod male joint. The lower part of the body is provided with a casing pipe. A pressure gauge and a water injection pipe joint are mounted on the body, and a water injection valve is mounted on the water injection pipe joint. The conversion joint and the body are connected by a flange. According to the method, the water pressure test can be performed under the condition that a drill rig is not hoisted out of a hole, and the inside pressure data information can be obtained timely by the pressure gauge. The work efficiency is effectively improved, and the labor intensity of a worker is improved. According to the device, the water injection pipe joint and the upper part of the conversion joint can be used for
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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 Orifice device for non-hoisting drilling water pressure test and using method thereof
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