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Method Integration Improves Reservoir-Property Prediction in East Siberia

This paper describes a case study of the Chonskaya group of fields to demonstrate an approach to the integration of time-domain-electromagnetic (TDEM) electrical and seismic data when building a geological model for improving reservoir-property and -saturation prediction.

Introduction

The terrigenous sediments of the subsalt complex within the Nepa-Botuoba anteclise are characterized by complex geology: nonanticlinal traps, complex tectonics, lateral reservoir heterogeneity, and digenesis that controls reservoir distribution. The block structure of the Chonskaya group of fields and their poor coverage with exploration wells (Fig. 1) leave a number of uncertainties with regard to water/oil and gas/water contacts in blocks with proved oil content, as well as the main fluid types in exploration blocks.

This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 191673-18RPTC, “Seismic- and Electromagnetic-Methods Integration To Increase Quality of Reservoir-Property and -Saturation Prediction in East Siberia Region,” by Pavel Mostovoy, Roman Oshmarin, and Andrey Ostankov, GazpromNeft, and Olga Tokareva and Daria Orlova, IERP, prepared for the 2018 SPE Russian Petroleum Technology Conference, Moscow, 15–17 October. The paper has not been peer reviewed.
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Method Integration Improves Reservoir-Property Prediction in East Siberia

01 January 2019

Volume: 71 | Issue: 1

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