Study of surface and rheological properties of clayless biopolymer drilling mud treated with M-1 surfactants

Authors

  • Yu. D. Voloshyn Ivano-Frankivsk National Technical University of Oil and Gas, 15 Karpatska Street Ivano-Frankivsk Ukraine, 76019
  • М. S. Polutrenko Ivano-Frankivsk National Technical University of Oil and Gas, 15 Karpatska Street Ivano-Frankivsk Ukraine, 76019
  • V. V. Bogoslavets Ivano-Frankivsk National Technical University of Oil and Gas, 15 Karpatska Street Ivano-Frankivsk Ukraine, 76019

DOI:

https://doi.org/10.31471/1993-9868-2021-1(35)-91-97

Keywords:

drilling fluid, the surfactant, the interfacial tension coefficient, critical concentration of micelle formation, rheology

Abstract

An important issue of improving the quality of the initial opening of the reservoir through the use of a system of drilling fluids treated with surfactant M-1. For high-quality disclosure, it is proposed to use clay-free biopolymer drilling mud. The main analyzed features of M-1 use as an additive to biopolymer drilling mud used in Ukrainian deposits. The formulation is substantiated and the study of clay-free biopolymer solution for primary opening of productive layers is carried out. Processed non-ionic surface active agent (surfactant) M-1 model biopolymer clayless drilling mud. With the use of oil (density 838 kg /m3) Kachanivsky oilfield conducted measuring the interfacial tension coefficient at the interface "mud filtrate – oil" stalagmometric metod by changes in the concentration range (% by weight) M-1 from 0 to 5. The influence of M-1 concentration on the interfacial tension coefficient at the interface of "oil – biopolymer drilling fluid filtrate" is shown and the critical concentration of micelle formation (CCM) of surfactant in the filtrate is found, the excess of which does not reduce the interfacial tension. It has been experimentally established that with increasing concentrations of M-1, the interfacial tension factor at the interface between the phases of "oil – filtrate of the drilling fluid" is sharply reduced, which leads to an increase in the formation fluid formation fluid. The rheological properties of drilling fluids with rotational viscometry are determined. Polynomial dependences of temperature influence on rheological properties without clay biopolymer drilling mud have been established.

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Published

2021-08-10

How to Cite

Волошин, Ю. Д., Полутренко, М. С., & Богославець, В. В. (2021). Study of surface and rheological properties of clayless biopolymer drilling mud treated with M-1 surfactants. Oil and Gas Power Engineering, (1(35), 91–97. https://doi.org/10.31471/1993-9868-2021-1(35)-91-97

Issue

Section

NEW SOLUTIONS IN MODERN EQUIPMENT AND TECHNOLOGIES

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