天然气钻井 meaning in English

gas drilled hole

Characteristics of structure of ultrafine vibratory grinder and its applications
天然气钻井中的应用
The barite primarily used for the artesian wells of petroleum and natural gas
重晶石主要用于石油天然气钻井。
Health , safety and environment management system guideline for oil and gas drilling
石油天然气钻井健康安全与环境管理体系指南
Synthesis of green flocculating agent and its application in disposing wastewater of nature gas well
绿色絮凝剂的合成与处理天然气钻井废水的应用研究