Standard Number: NB/T 10841-2021(NB/T10841-2021)
Chinese:页岩气水平井钻井井下故障复杂预控推荐做法
English:Recommended Practices for Complex Pre-control of Downhole Failures in Horizontal Shale Gas Well Drilling
Effective Date:2022-02-16
Standard Applicability:This document stipulates the requirements of drilling design, engineering parameter collection, drilling, connecting column, starting and stopping drilling, lowering casing, fault complexity handling methods and safety and environmental protection management for downhole fault complexity pre-control of shale gas horizontal well drilling. This document is applicable to the horizontal section drilling operation of shale gas horizontal wells.
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