Method for determining thickness of sleeve-cement sheath composite structure top plate of salt-cavern gas storage

Method for determining thickness of sleeve-cement sheath composite structure top plate of salt-cavern gas storage

The invention designs a method for determining the thickness of a salt cavern gas storage casing-cement sheath composite structure top plate. The method comprises the following steps: firstly, carrying out field exploration, determining a storage building target burial depth according to data, count...

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Hauptverfasser: CHENG DINGKUN, WANG PENG, ZHANG QINGQING, ZHANG HUABIN, YUE XIANRU
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator CHENG DINGKUN
WANG PENG
ZHANG QINGQING
ZHANG HUABIN
YUE XIANRU
description The invention designs a method for determining the thickness of a salt cavern gas storage casing-cement sheath composite structure top plate. The method comprises the following steps: firstly, carrying out field exploration, determining a storage building target burial depth according to data, counting the density and depth of each overlying stratum, and calculating overlying stratum pressure and stratum pore pressure; in-situ coring is carried out from a proposed area to carry out an indoor test to obtain stratum parameters and rock mechanical parameters, and a gas storage casing-cement sheath composite structure form numerical model is established; evaluating deformation and failure characteristics of a gas storage roof cement sheath and surrounding rock under the influence of different roof pre-salinized layer thicknesses, roof interlayer geometric characteristics and injection-production pressure limit value factors, and comparing a surrounding rock penetration influence range with a leakage law, and pref
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Method for determining thickness of sleeve-cement sheath composite structure top plate of salt-cavern gas storage
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