Izvestiya of Saratov University.

Earth Sciences

ISSN 1819-7663 (Print)
ISSN 2542-1921 (Online)


For citation:

Golovin B. A., Kalinnikova M. V., Volkova E. N. On the issue of the methodology for lithologic and petrophysical studies of stone material (in the process of oil and gas wells drilling). Izvestiya of Saratov University. Earth Sciences, 2024, vol. 24, iss. 1, pp. 41-48. DOI: 10.18500/1819-7663-2024-24-1-41-48, EDN: YRGPOB

This is an open access article distributed under the terms of Creative Commons Attribution 4.0 International License (CC-BY 4.0).
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Russian
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Article
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550.832.9
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YRGPOB

On the issue of the methodology for lithologic and petrophysical studies of stone material (in the process of oil and gas wells drilling)

Autors: 
Golovin Boris Aleksandrovich, Saratov State University
Kalinnikova Marina Viktorovna, Saratov State University
Volkova Elena Nikolaevna, Saratov State University
Abstract: 

This article discusses some aspects of the methodology for preparing sludge and core samples for lithological and petrophysical studies. Methods for obtaining rockmaterial(sludge, core) are described interms of determiningthemoment of openingthe reservoir layer,tyingthe core in depth, and sampling the sludge. A sludge collector has been proposed that makes it possible to obtain sludge of overall fractions washed from the drilling fluid. The effectiveness of the harmonic analysis method, which takes into account the lithology of the studied section and changes in drilling parameters to optimize the frequency of sludge sampling during drilling, is shown. A system for placing sludge sampling points has been justified to increase the information content of the study of well sections. An analysis of the actual material on the connection of sludge to formations using natural gamma activity in wells drilled in the conditions of the Saratov Volga region was carried out. The distribution of the residual values of the burial depths according to the sludge and well logging allowed us to conclude that in the vast majority(> 75%) of cases, the binding of sludge during geological testing is carried out with satisfactory accuracy. The implementation of some elements of the above described interpretation techniques is shown using the example of one of the wells located in the northwestern part of the near-shore zone of the Caspian basin.

Reference: 
  1. Макфи К., Рид Дж., Зубизаретта И. Лабораторные исследования керна: гид по лучшим практикам. М. ; Ижевск : Институт компьютерных исследований, 2018. 924 с.
  2. Недоливко Н. М., Ежова А. В. Петрографические исследования терригенных и карбонатных породколлекторов : учеб. пособие. Томск : Изд-во Томского политехнического университета, 2012. 172 с.
  3. Руководство по геомеханическому документированию керна. Черногорск : ООО «Черногорская ГРК», 2014. 54 с.
  4. Горбачёв Ю. И. Геофизические исследования скважин : учебник для вузов. Москва : Недра, 1990. 398 с.
  5. Авторское свидетельство № 1436018 СССР. Устройство для фракционного отбора шлама в процессе бурения : № 3929904 заявлен 12.07.85 : опубликован 08.07.88 / Головин Б. А., Матвеев А. Н., Мельников И. Г. 2 с. : ил.
  6. Головин Б. А. Литолого-петрофизические основы прогнозирования нефтегазоносности при бурении глубоких скважин в подсолевых палеозойских отложениях Прикаспийской впадины. Saarbrucken : LAP Lambert Academic Publisyhing, 2018. 192 с.
  7. Битнер А. К., Прокатень Е. В. Методы исследования пород-коллекторов и флюидов : учеб. пособие. Красноярск : Сиб. федер. ун-т, 2018. 224 с.
  8. Головин Б. А., Руднев С. А. Литолого-петрофизическое моделирование пластовых резервуаров в процессе бурения. Саратов : Изд-во Саратовского университета, 2022. 104 с. https://doi.org/10.18500/978-5-292-04772-8
Received: 
01.02.2024
Accepted: 
09.02.2024
Published: 
29.03.2024