Detection performance and inversion processing of logging-while-drilling extra-deep azimuthal resistivity measurements

Abstract We present systematic investigations on the physics, detection performance and inversion of logging-while-drilling extra-deep azimuthal resistivity measurements (EDARM). First, the definitions of EDRAM measurements are discussed, followed by the derivation of the attenuation and phase-shift...

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Autores principales:	Lei Wang, Shao-Gui Deng, Pan Zhang, Ying-Chang Cao, Yi-Ren Fan, Xi-Yong Yuan
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2019
Materias:	Extra-deep azimuthal resistivity measurements (EDARM) Detection performance Inversion method Reservoir imaging Detection of multiple bed boundaries Science Q Petrology QE420-499
Acceso en línea:	https://doaj.org/article/ba3b524f31ea402995e4ceccd92043fe
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spelling	oai:doaj.org-article:ba3b524f31ea402995e4ceccd92043fe2021-12-02T08:26:35ZDetection performance and inversion processing of logging-while-drilling extra-deep azimuthal resistivity measurements10.1007/s12182-019-00374-41672-51071995-8226https://doaj.org/article/ba3b524f31ea402995e4ceccd92043fe2019-10-01T00:00:00Zhttp://link.springer.com/article/10.1007/s12182-019-00374-4https://doaj.org/toc/1672-5107https://doaj.org/toc/1995-8226Abstract We present systematic investigations on the physics, detection performance and inversion of logging-while-drilling extra-deep azimuthal resistivity measurements (EDARM). First, the definitions of EDRAM measurements are discussed, followed by the derivation of the attenuation and phase-shift geometrical factors to illustrate the relative contributions of formation units to the observed signals. Then, a new definition of detection depth, which considers the uncertainty of inversion results caused by the data noise, is proposed to quantify the detection capability of EDARM. Finally, the Bayesian theory associated with Markov chain Monte Carlo sampling is introduced for fast processing of EDARM data. Numerical results show that EDARM is capable of detecting the azimuth and distance of remote bed boundaries, and the detection capability increases with increasing spacing and resistivity contrast. The EDARM tool can accommodate a large range of formation resistivity and is able to provide the resistivity anisotropy at arbitrary relative dipping angles. In addition, multiple bed boundaries and reservoir images near the borehole are readily obtained by using the Bayesian inversion.Lei WangShao-Gui DengPan ZhangYing-Chang CaoYi-Ren FanXi-Yong YuanKeAi Communications Co., Ltd.articleExtra-deep azimuthal resistivity measurements (EDARM)Detection performanceInversion methodReservoir imagingDetection of multiple bed boundariesScienceQPetrologyQE420-499ENPetroleum Science, Vol 16, Iss 5, Pp 1015-1027 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Extra-deep azimuthal resistivity measurements (EDARM) Detection performance Inversion method Reservoir imaging Detection of multiple bed boundaries Science Q Petrology QE420-499
spellingShingle	Extra-deep azimuthal resistivity measurements (EDARM) Detection performance Inversion method Reservoir imaging Detection of multiple bed boundaries Science Q Petrology QE420-499 Lei Wang Shao-Gui Deng Pan Zhang Ying-Chang Cao Yi-Ren Fan Xi-Yong Yuan Detection performance and inversion processing of logging-while-drilling extra-deep azimuthal resistivity measurements
description	Abstract We present systematic investigations on the physics, detection performance and inversion of logging-while-drilling extra-deep azimuthal resistivity measurements (EDARM). First, the definitions of EDRAM measurements are discussed, followed by the derivation of the attenuation and phase-shift geometrical factors to illustrate the relative contributions of formation units to the observed signals. Then, a new definition of detection depth, which considers the uncertainty of inversion results caused by the data noise, is proposed to quantify the detection capability of EDARM. Finally, the Bayesian theory associated with Markov chain Monte Carlo sampling is introduced for fast processing of EDARM data. Numerical results show that EDARM is capable of detecting the azimuth and distance of remote bed boundaries, and the detection capability increases with increasing spacing and resistivity contrast. The EDARM tool can accommodate a large range of formation resistivity and is able to provide the resistivity anisotropy at arbitrary relative dipping angles. In addition, multiple bed boundaries and reservoir images near the borehole are readily obtained by using the Bayesian inversion.
format	article
author	Lei Wang Shao-Gui Deng Pan Zhang Ying-Chang Cao Yi-Ren Fan Xi-Yong Yuan
author_facet	Lei Wang Shao-Gui Deng Pan Zhang Ying-Chang Cao Yi-Ren Fan Xi-Yong Yuan
author_sort	Lei Wang
title	Detection performance and inversion processing of logging-while-drilling extra-deep azimuthal resistivity measurements
title_short	Detection performance and inversion processing of logging-while-drilling extra-deep azimuthal resistivity measurements
title_full	Detection performance and inversion processing of logging-while-drilling extra-deep azimuthal resistivity measurements
title_fullStr	Detection performance and inversion processing of logging-while-drilling extra-deep azimuthal resistivity measurements
title_full_unstemmed	Detection performance and inversion processing of logging-while-drilling extra-deep azimuthal resistivity measurements
title_sort	detection performance and inversion processing of logging-while-drilling extra-deep azimuthal resistivity measurements
publisher	KeAi Communications Co., Ltd.
publishDate	2019
url	https://doaj.org/article/ba3b524f31ea402995e4ceccd92043fe
work_keys_str_mv	AT leiwang detectionperformanceandinversionprocessingofloggingwhiledrillingextradeepazimuthalresistivitymeasurements AT shaoguideng detectionperformanceandinversionprocessingofloggingwhiledrillingextradeepazimuthalresistivitymeasurements AT panzhang detectionperformanceandinversionprocessingofloggingwhiledrillingextradeepazimuthalresistivitymeasurements AT yingchangcao detectionperformanceandinversionprocessingofloggingwhiledrillingextradeepazimuthalresistivitymeasurements AT yirenfan detectionperformanceandinversionprocessingofloggingwhiledrillingextradeepazimuthalresistivitymeasurements AT xiyongyuan detectionperformanceandinversionprocessingofloggingwhiledrillingextradeepazimuthalresistivitymeasurements
_version_	1718398506296672256

Detection performance and inversion processing of logging-while-drilling extra-deep azimuthal resistivity measurements

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