Clastic rock horizontal well track adjusting method based on LWD resistivity logging

Clastic rock horizontal well track adjusting method based on LWD resistivity logging

The invention relates to the technical field of tracking an oil layer while drilling of a horizontal well, in particular to a clastic rock horizontal well trajectory adjusting method based on LWD resistivity logging, which comprises the following steps: calculating TZYZ by using GR and RT numerical...

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Hauptverfasser: ZHOU DIAO, XU SHENGCHI, WAN BINGQIAN, ZENG YANQIANG, ZHANG YIJUN, MENG XIN, YANG KUN, CHEN NAIZHI, YU JINGFENG, YANG ZHEN
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 ZHOU DIAO
XU SHENGCHI
WAN BINGQIAN
ZENG YANQIANG
ZHANG YIJUN
MENG XIN
YANG KUN
CHEN NAIZHI
YU JINGFENG
YANG ZHEN
description The invention relates to the technical field of tracking an oil layer while drilling of a horizontal well, in particular to a clastic rock horizontal well trajectory adjusting method based on LWD resistivity logging, which comprises the following steps: calculating TZYZ by using GR and RT numerical values of a target interval and upper and lower surrounding rocks, and making a cross plot by using data of a curve of the TZYZ and a curve of the RT so as to determine discrimination boundaries of the target interval, the upper surrounding rocks and the lower surrounding rocks. A drill bit adjustment response mechanism for controlling a horizontal well tracking trajectory is formulated according to the discrimination boundaries of a target layer, an upper surrounding rock and a lower surrounding rock; in the drilling process, the drill bit direction is controlled in real time according to a drill bit adjustment response mechanism and adjustment factor number data calculated in real time, the scheme is simple and e
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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 Clastic rock horizontal well track adjusting method based on LWD resistivity logging
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