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油井水泥外加剂评价方法 第7部分：加重剂
Evaluation method for well cement additives.Part 7:Weighting material
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油井水泥外加剂评价方法 第5部分：防气窜剂
Evaluation method for well cement additives.Part 5:Anti-gas migration agent
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套管头使用规范
Specifications of operation for casing head
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欠平衡钻井技术规范 第2部分:气相
Technology specification for underbalanced drilling. Part:Gas phase
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油井水泥与外加剂(外掺料)干混作业与气力输送规程
Operation procedures for dry-blending and air converying of oil well cement and additives(materials)
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油井水泥外加剂评价方法.第6部分:减轻剂
Evaluation method for well cement additives.Part 6:Light-weight additive
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钻井液用发泡剂评价程序
Evaluation procedure for foaming agents used in drilling fluids
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钻机基础选型
Type selection for rig foundation
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地层压力预(监)测方法
Prediction and detection methods fo formation pressure
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