| 摘要 |
FIELD: oil and gas industry. ^ SUBSTANCE: plugging material includes the following, wt %: caustic brucite powder - 43.86-47.36, magnesium sulfate - 8.32-13.81, water is the rest. ^ EFFECT: obtaining of plugging material, the solution of which does not thaw icy rocks, is characterised by lower density, lack of water separation and short terms of hardening, formed solid cement stone is in close contact with ice - icy rock. ^ 4 tbl, 1 ex |
