评价钻井 meaning in English

appraisal drilling

A new probe to evaluate sealing effectiveness of drilling fluids and completion fluids in fractured formation
评价钻井液完井液对裂缝性地层封堵效果的新方法
Abstract : the chromium leaching - out toxicity was determined with different extraction agents , different extracting time , different solid - liquid rate and different extracting method . in accordance with petroleum drilling engineering and protecting environment , a test method suited to evaluate the leaching - out toxicity of waste drilling mud was suggested
文摘:以铬为分析指标，探讨了钻井废弃泥浆在不同的提取剂、不同的提取时间、不同的固液比以及不同的提取方式下铬的浸出毒性大小，提出了适合评价钻井废弃泥浆中铬的浸出毒性的试验方法。
The chromium leaching - out toxicity was determined with different extraction agents , different extracting time , different solid - liquid rate and different extracting method . in accordance with petroleum drilling engineering and protecting environment , a test method suited to evaluate the leaching - out toxicity of waste drilling mud was suggested
以铬为分析指标，探讨了钻井废弃泥浆在不同的提取剂、不同的提取时间、不同的固液比以及不同的提取方式下铬的浸出毒性大小，提出了适合评价钻井废弃泥浆中铬的浸出毒性的试验方法。