Oil & Gas

Oil and gas calculators for drilling cost, decline curves, pipeline flow, gas compression, reservoir volume, well spacing, and well economics.

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Forecast production decline using exponential or hyperbolic models.

Estimate per-foot and total drilling cost from rig rate and depth.

Calculate compressor horsepower from pressure and flow requirements.

Estimate fluid volume and proppant for a hydraulic fracturing job.

Calculate energy content from gas composition.

Calculate gas flow rate from pipe diameter and pressure differential.

Estimate original oil or gas in place using volumetric method.

Size storage tanks for oil and water production.

Calculate IRR, NPV, and payback period for an oil or gas well.

Calculate optimal well spacing from drainage radius.