Numerical simulation and experimental study of two-phase flow in downhole spiral gas-liquid separator

Gas-liquid separator is an important surface equipment in oilfield development. Improving the separation efficiency of great significance to overall economic benefit oilfield. Spiral a high device that has been widely used, but at present, there are not enough studies on number spiral turns and pitches. In view this problem, paper analyzed gas–liquid separators with different pitches via fluent numerical simulation software laboratory experiments. The results showed greater larger particle diameter could lead higher efficiency. optimum value for pitch. performance downhole was verified by experiments, above 90% under conditions where treatment amount either unchanged or changed. These can provide reference application oil fields.