Categorical Exclusion Determination
Office of NEPA Policy and Compliance
April 17, 2018The subcontractor shall preform leak remediation work under cavern pressures with hydrocarbons present. The surface cavern oil well pressures range from 800 pounds per square inch to 2000 pounds per square inch. Therefore, pressure control equipment is required to run tools downhole into the wellbore to depths ranging from 2000 feet to 3000 feet. Properly sized hoisting equipment is required for remedial lifting operations. All equipment must be properly and safely rigged up, connected, pressure tested, and rigged down. The remediation will be performed on either a rigged or rig-less well pad.