FieldVol

Wellbore Volume Calculator

Wellbore Volume Calculator is a fast, offline, fully metric wellsite utility for Canadian and international field operations.

Built from standard field reference tables, it covers common tubing and casing sizes from 60.3 mm to 244.5 mm OD:

• STRING VOLUMES — internal capacity, steel displacement and string weight for any tubular and length. Enter metres, get m³ (plus litres and barrels).

• WELL & ANNULUS — full circulating volume breakdown: tubing string, tubing×casing annulus, casing below the tubing shoe and open hole. Includes a visual wellbore schematic, drift-clearance warnings, and pump strokes & circulation time from any pump output.

• STRETCH — pipe stretch and free-point-style movement using tabulated stretch factors (cm per 1000 daN per 1000 m), with constant-load and hanging-in-fluid modes with buoyancy correction.

• REFERENCE TABLES & CONVERTERS — complete searchable capacity tables, plus m↔ft, m³↔L↔bbl, kg/m↔lb/ft converters and custom ID/OD capacity calculators.

FEATURES
– 100 % offline: no internet connection, no accounts, no ads, no data collected
– All metric: metres, m³, kg/m, daN, cm
– Designed for phones and tablets, dark theme for sunlight readability
– Copy-to-clipboard summaries for reports and kill sheets

Ideal for drilling, completions, workover and snubbing crews, wellsite supervisors and students who need quick, reliable wellbore volumes at the doghouse door.

For planning and estimation only — always verify against current pipe specifications before field-critical operations.

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