On the prospects of using sapropel solutions in drilling and repairing oil and gas wells
https://doi.org/10.31660/0445-0108-2024-6-115-126
Abstract
Western Siberia, in addition to its significant oil and gas reserves, also has huge resources of sapropel and peat, which are estimated at 40 % of the world's total. In world practice, there is a positive experience with using drilling and plugging fluids that incorporate sapropel additives in well construction.
The aim of this article is to investigate the impact of sapropel on the properties of drilling and plugging fluids.
To achieve this goal, we conducted laboratory studies using experimental methods to examine the effects of sapropel on the properties of drilling and plugging fluids. Our results indicate that sapropel can serve various roles in drilling fluids. These roles are weighting agent, thickener, corrosion inhibitor, biocide, clay stabilizer, and lubricating additive. We calculated the density of the developed sapropel drilling fluids, plastic viscosity, and fluid loss. Also, we assessed the prospects for using sapropel in production.
The authors believe that the research of sapropels in drilling and well repair in Western Siberia has been studied extremely poorly. This is the reason for the need for further exploration in this area. Based on the the scientific works reviewed and laboratory research, we have developed an effective method for constructing wells under abnormally low reservoir pressure. This method should help to optimize drilling technology in Western Siberia. This is the importance of the practical significance of our article.
About the Authors
D. S. Leontiev
Industrial University of Tyumen
Russian Federation
Russian Federation
Dmitry S. Leontiev, Candidate of Engineering, Associate Professor at the Department of Oil and Gas Drilling
Tyumen
A. F. Semenenko
Industrial University of Tyumen
Russian Federation
Russian Federation
Anastasia F. Semenenko, Senior lecturer at the Department of Oil and Gas Drilling
Tyumen
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Review
For citations:
Leontiev D.S., Semenenko A.F. On the prospects of using sapropel solutions in drilling and repairing oil and gas wells. Oil and Gas Studies. 2024;(6):115-126. (In Russ.) https://doi.org/10.31660/0445-0108-2024-6-115-126
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