underbalanced drilling meaning in Chinese
负压钻井
欠平衡压力钻井
Examples
- Safety technology rules for underbalanced drilling
欠平衡钻井安全技术规程 - Specification for underbalanced drilling technology - part 1 : methods for design
欠平衡钻井技术规范.第1部分:设计方法 - Specification for underbalanced drilling technology - part 2 : the outfit requirements of the wellhead pressure control and surface equipment
欠平衡钻井技术规范.第2部分:井口压力控制装置及地面装置配备要求