FIELD: mining.
SUBSTANCE: invention relates to the field of well lining, namely to flush fluids for cleaning of wells. Weighted flush fluid based on hydrocarbon contains, wt%: kerosene 31.57–55.69; barite 38.01–64.44; organobentonite ORBENT-91 2.88–5.61; water repellent ADB 0.69–1.11.
EFFECT: obtaining of stable weighted flush fluid based on hydrocarbon, with high washing ability and low filtration rate, allows to improve quality of lining of wells boring casings drilled using emulsion muds based on a hydrocarbon.
1 cl, 1 tbl
| Title |
Year |
Author |
Number |
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