Design and development of instant linear gel for coal bed methane gas operations

  • R. V. V. Ramana Murthy Division of Chemistry, Department of Sciences and Humanities, Vignan’s Foundation for Science, Technology and Research University (Vignan’s University), Vadlamudi 522 213 Guntur District, Andhra Pradesh, India (IN)
  • K. S. R. Murthy Department of Applied Chemistry, University of Petroleum and Energy Studies, Energy Acres, Bidholi Campus, Premnagar, Dehradun, Uttarakhand 248007, India (IN)
  • Murthy Chavali Department of Chemistry, Dharma Appa Rao College (DARC), Nuzvid 521 201 Krishna District, Andhra Pradesh, India (IN)
Keywords: Breakers, CBM operation, fragmentation, linear gel, viscosity properties

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Abstract

Linear gel fracturing fluids are expressed with an extensive range of materials/polymers in an aqueous base. Earlier we developed fracturing linear gel with fossil diesel, bio-diesel and also used suspending anti-settling agents and emulsifiers. Here we report on a novel and an efficient method for the preparation of linear gel direct mix with water, guar gum and sodium acetate together instantly. In this research work, we used water instead of diesel without any need to mix anti-settling agents, suspending agents, emulsifiers that resulted in 30 viscosity linear gel. The degradation pattern observed from the breaker test showed that a reduction in gel viscosity depends on time, temperature & breaker concentration. Ammonium per sulphate or Ammonium per oxidisulphate and enzyme-G were used for oxidation purpose to break the gel gradually at a particular static temperature. Observations from experiments revealed that a small concentration of breaker provides rapid break compared to oxidative breakers. This article, designing of fracturing fluids describes how to use the fluid's viscosity generated by the gelling agents like guar gum for CBM operations.



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Published
2020-10-31
Section
Articles
How to Cite
[1]
R. V. V. R. Murthy, K. S. R. Murthy, and M. Chavali, “Design and development of instant linear gel for coal bed methane gas operations”, J. Appl. Sci. Eng. Technol. Educ., vol. 3, no. 2, pp. 217-223, Oct. 2020.