Research on the Technique of Safeguarding Well's Wall of Salt Deposit
2014
Abstract In view of the specialty of the salt formation, a kind stabilizing method which consists of a protecting wall mud system and a casing & cementing technique had been presented in the paper. According to the actual situation of brine well construction, well structure, drilling fluid type, casing program and cement formula have been optimized. Scientifically using the drilling fluid system and the technology of casing cementing, the down well incidents such as wall collapse, leakage, overgauge well, water sensitivity denudation and sand contamination could be effectively avoided, and the drilling process and well's quality should be ensured.
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