Rock type identification method and device for ultra-deep sea underground oil and gas exploration

Rock type identification method and device for ultra-deep sea underground oil and gas exploration

The embodiment of the invention provides a rock type identification method and device for ultra-deep sea underground oil and gas exploration. The method comprises the steps that uranium removal gammalogging data and density logging data of a target layer section located in an ultra-deep sea undergro...

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Hauptverfasser: WAN GUANGFENG, ZHAO JUNFENG, REN KANGXU, ZHAO JIAN, WANG TONGKUI
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 WAN GUANGFENG
ZHAO JUNFENG
REN KANGXU
ZHAO JIAN
WANG TONGKUI
description The embodiment of the invention provides a rock type identification method and device for ultra-deep sea underground oil and gas exploration. The method comprises the steps that uranium removal gammalogging data and density logging data of a target layer section located in an ultra-deep sea underground area are acquired; according to the values corresponding to the uranium removal gamma logging data and the density logging data, a quadrant area where the target layer section is located is determined in a target plane cross plot, and the target plane cross plot is a plane cross plot between uranium removal gamma and density; the quadrant areas are divided in advance according to a first division threshold value corresponding to uranium removal gamma logging data and a second division threshold value corresponding to density logging data; and based on a preset identification rule, the corresponding rock type is determined according to the quadrant area where the target interval is located. According to the meth
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The method comprises the steps that uranium removal gammalogging data and density logging data of a target layer section located in an ultra-deep sea underground area are acquired; according to the values corresponding to the uranium removal gamma logging data and the density logging data, a quadrant area where the target layer section is located is determined in a target plane cross plot, and the target plane cross plot is a plane cross plot between uranium removal gamma and density; the quadrant areas are divided in advance according to a first division threshold value corresponding to uranium removal gamma logging data and a second division threshold value corresponding to density logging data; and based on a preset identification rule, the corresponding rock type is determined according to the quadrant area where the target interval is located. 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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 Rock type identification method and device for ultra-deep sea underground oil and gas exploration
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