A practical guide to drilling fluid chemicals for fluid-loss control, including PHPA, polymer fluid-loss reducers, polyanionic cellulose (PAC) and modified starch for water-based drilling systems.
A practical guide to oilfield chemicals and drilling mud additives for water-based and oil-based drilling fluids, including shale inhibitors, fluid-loss reducers, viscosifiers, lubricants, emulsifiers and weighting materials.
如何根据污水类型、污泥特性、分子量、离子度、pH、盐度和脱水设备选择APAM、CPAM或NPAM聚丙烯酰胺型号。
دليل عملي لاختيار APAM أو CPAM أو NPAM حسب نوع مياه الصرف والحمأة والوزن الجزيئي ودرجة الأيونية والملوحة وpH ومعدات المعالجة.
A practical guide to choosing APAM, CPAM or NPAM by wastewater type, sludge characteristics, ionic degree, molecular weight, salinity, pH and treatment equipment.
钻井液用磺化沥青粉适用于水基钻井液，可用于页岩抑制、井壁稳定、微裂缝封堵、润滑减阻及辅助降滤失。