INTEGRATED INVERSION METHOD AND DEVICE FOR KEY PARAMETERS OF DOUBLE SWEET SPOTS OF SHALE OIL

INTEGRATED INVERSION METHOD AND DEVICE FOR KEY PARAMETERS OF DOUBLE SWEET SPOTS OF SHALE OIL

An integrated inversion method for key parameters of double sweet spots of shale oil, comprising: acquiring inversion formulas for key parameters of geological and engineering double sweet spots of shale oil, wherein the inversion formulas specifically comprise: a two-parameter AVO approximation for...

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Hauptverfasser: YU, Jianglong, LU, Minghui, TANG, Tingming, LI, Wei, ZOU, Caineng, CHEN, Gang
Format: Patent
Sprache:chi ; eng ; fre
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DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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creator YU, Jianglong
LU, Minghui
TANG, Tingming
LI, Wei
ZOU, Caineng
CHEN, Gang
description An integrated inversion method for key parameters of double sweet spots of shale oil, comprising: acquiring inversion formulas for key parameters of geological and engineering double sweet spots of shale oil, wherein the inversion formulas specifically comprise: a two-parameter AVO approximation formula of a longitudinal wave impedance and a longitudinal-transverse wave velocity ratio; a two-parameter AVO approximation formula of a density-Young's modulus product and a Poisson's ratio; and a formula for inverting normal weakness and tangential weakness using two parameters on the basis of an azimuthal elastic impedance; and then using the approximation formulas to inverse key parameters of a geological sweet spot of shale oil, i.e., a longitudinal wave impedance and a longitudinal-transverse wave velocity ratio, and calculating key parameters of an engineering sweet spot, i.e., brittleness, a factor of fluid-filled fracture, and a horizontal stress variation coefficient. The method can improve the stability a
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subjects DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
title INTEGRATED INVERSION METHOD AND DEVICE FOR KEY PARAMETERS OF DOUBLE SWEET SPOTS OF SHALE OIL
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