Using the approach of step-by-step lithological dissection of the section of volcanogenic sedimentary deposits-Reference-Cited by-同舟云学术

Using the approach of step-by-step lithological dissection of the section of volcanogenic sedimentary deposits

Published:2022-03-15 Issue:1 Volume: Page:51-66
ISSN:0445-0108
Container-title:Oil and Gas Studies
language:
Short-container-title:Izvestiâ vysših učebnyh zavedenij. Neftʹ i gaz

Author:

Smolyakov G. A.¹,Gilmanova N. V.¹,Boronin P. A.¹,Sivkova A. V.¹

Affiliation:

1. KogalymNIPIneft Branch of LUKOIL-Engineering LLC

Abstract

The article implements an approach of step-by-step lithological dissection of the section of volcanogenic sedimentary rocks of the Sredne-Nazymskoye field using comparisons of methods of geophysical surveys of rocks at the qualitative and quantitative level.The predominantly acidic composition of the rocks determines the use of unified petrophysical algorithms for the section of the Pre-Jurassic complex with additional division into enlarged groups of lithotypes: lavobreccia, tuffs and unchanged effusions. An important factor influencing the interpretation of geophysical surveys is the presence of rock fracturing in the Pre-Jurassic complex interval.The assessment of the possibility of lithological dissection of the section, taking into account the additional division of rocks into collector-non-collector, which allows us to identify promising zones of development of pore and fractured reservoirs.We propose an approach of step-by-step lithological dissection of the section, including qualitative and quantitative criteria, which ensures the improvement of existing technologies.

Publisher

Industrial University of Tyumen

Subject

General Medicine

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