For PETROTECH Drilling Fluids Service 'mud system, the toxicity data (EC50 values) is as follow.
对于中海石油技术服务泥浆公司的泥浆体系，请看以下的毒性数据(EC50值)。
2
The drilling engineering parameter was designed while drillingdata acquisition system based on DSP technology.
设计了一种基于DSP技术的钻井工程参数随钻数据采集系统。
3
The Daqing Oilfield succeeded in providing drilling and completion operation with accurate bottom data by this system, and developed a novel explanation method of gas formation.