| 摘要 |
FIELD: oil and gas production. SUBSTANCE: environmentally acceptable, low-component, frost-resistant solid phase-free drilling fluid for exposing producing formations, including exposure via horizontal boreholes, contains, wt %: carboxymethylcellulose 0.8-1.2, sodium chloride 5.0-25.0, naturally occurring high-molecular polysaccharide Kem X 0.3- 0.4, and water 73.4-93.9. EFFECT: increased retention and cutting-carrying capacities. 1 tbl, 5 ex
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