thay thế dung dịch polymer bằng dung dịch 3 muối bão hòa khi khoan vào tầng Potash, chống ống 3.00m vào tầng Potash, tính toán áp lực thử kín trám xi măng tại lỗ khoan SWC-001, 010, . . .);
replace polymer aqueous solution 3 saturated salt when drilling into Potash, 3.00 m into the tube against Potash, calculate pressure try sealed cement filling in holes drilled SWC-001, 010, ...);
replace the polymer solution with 3 saturated solution when drilling into floors Potash, Potash floor against 3.00m tubes, sealed calculated pressure test in borehole cementing SWC-001, 010,. . .);