地矿部石油钻井研究所
petroleum drilling research institute
Ministry of Geology and Mineral Resources
海水水包油钻井液
oil in sea water drilling mud
混油钻井液
oil emulsion drilling fluid
contaminated drilling fluid
聚合物混油钻井液
poly-oil mixture drilling fluid
上海海洋石油钻井工程公司
Shanghai Offshore Petroleum Drilling Corporation of SINOPEC
shanghai offshore petroleum drilling corporation
胜利油田黄河钻井钻前公司
Huanghe Drilling Engineering General Company of Shengli Oilfield