Conformité Ressources naturelles 15 points
Well Integrity, Casing & Cementing Verification Checklist
Cette liste de contrôle est en anglais.
Verify casing design, cementing practices, and barrier evaluation for the construction and completion of an oil or gas well to ensure zonal isolation and long-term wellbore integrity.
API STD 65-230 CFR 250 Subpart DAPI RP 90State Oil & Gas Well Construction Rules
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Casing Design & Setting Depth
- Was casing setting depth selected to isolate all usable-quality water zones and abnormal-pressure intervals per the approved well plan? *
- Is each casing string rated for the maximum anticipated collapse, burst, and tension loads with the required design safety factors? *
- Are casing tally, drift, and thread inspection records documented before running the string? *
- Record the surface casing setting depth (ft). *
Cement Slurry Design & Placement
- Was the cement slurry designed and laboratory-tested for the anticipated bottomhole temperature, pressure, and fluid compatibility? *
- Is the calculated cement volume sufficient to achieve the required top-of-cement height above the shallowest hydrocarbon or protected water zone? *
- Were centralizers spaced to achieve minimum standoff across critical isolation intervals? *
- Were float equipment, spacers, and mud conditioning used to promote effective mud removal and cement placement? *
Barrier Evaluation & Testing
- Was a cement bond / evaluation log run or an alternate zonal-isolation verification performed after cementing? *
- Did the casing pressure test meet the required test pressure and duration without unacceptable pressure loss? *
- Was cement returned to surface (or the shoe-track cement top confirmed) as required by the well design? *
- Are two independent tested barriers confirmed between hydrocarbon zones and the environment? *
Documentation & Annular Monitoring
- Are cementing job records, pump charts, and returns volumes retained in the well file? *
- Is a program in place to monitor and manage sustained casing/annular pressure over the life of the well? *
- Are wellhead and casing-head seal assemblies verified for pressure integrity after installation? *
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