Formation Fluids

Fluids present within the pores, fractures, faults, vugs, caverns, or any other spaces of formations are called formation fluids whether or not they were naturally formed or injected therein. The physical state of formation fluids may be liquids or gases and include various types such as hydrocarbons, fresh or saline water, carbon dioxide, hydrogen sulfide, etc.

Source: API STD 65 – Part 2, Isolating Potential Flow Zones During Well Construction, Upstream Segment, Second Edition, December 2010. Global Standards 


Formation Fluids

Formation fluids as mentioned in the first subsection, also means hydrates and water under pressure.

Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory Guidance

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