The wellbore instability control mechanism of fuzzy ball drilling fluids for coal bed methane wells via bonding formation
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DOI: 10.1016/j.jngse.2018.05.008
Abstract: Abstract As a novel drilling fluid, Fuzzy-ball Drilling Fluid has been successfully utilized to control the collapse and lost circulation in approximately 1000 coal bed methane wells by now. However, in terms of current research,… read more here.
Keywords: ball drilling; ball; fuzzy ball; drilling fluid ... See more keywords