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Directive 005: Calculating Subsurface Pressure via Fluid-Level Recorders [Rescinded by Directive 040: Pressure and Deliverability Testing Oil and Gas Wells]


Release Date: January 01, 1978

Purpose of the Directive

This directive sets out recommendations on methods companies can use to calculate subsurface pressure via fluid-level recorders. It discusses the errors frequently made in determining subsurface pressure and presents graphs to help operators more accurately determine pressure.