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65-2 Isolating Potential Flow Zones

65-2, Isolating Potential Flow Zones During Well Construction, Second Edition/December 2010

This standard contains practices for isolating potential flow zones, an integral element in maintaining well integrity. The focus of this standard is the prevention of flow through or past barriers that are installed during well construction. Barriers that seal wellbore and formation pressures or flows may include mechanical barriers such as seals, cement, or hydrostatic head, or operational barriers such as flow detection practices. 

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Isolating Potential Flow Zones During Well Construction

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