While every effort is put forth before drilling begins to ensure a successful well, not every well hits hydrocarbons at a commercially productive level. Statistically, wildcat (or exploratory) wells ...

A new method controlling pressure drop across chokes has been successfully applied to a high-pressure sour gas well in Sichuan basin, China. High-pressure sour gas wells use multistage choking methods ...

Formation testing is the downhole process of measuring in-situ reservoir pressure, estimating permeability/mobility, and capturing representative fluid samples before committing to completion and ...