METHOD FOR SURVEY OF GAS AND GAS-CONDENSATE WELLS Russian patent published in 2010 - IPC E21B47/00 

FIELD: oil and gas production.

SUBSTANCE: at each mode from the moment of start-up and end of mode, curves of wellhead and well pressures and temperatures are recorded. Liquid and solid phases separated in separator are sent into tight reservoir for collection of liquid and solid phases, and via pipeline are sent to separated gas - in to gas debit metre. Then gas-liquid mixture is transported along pipeline into flow line or torch. From the moment wellhead pressure and temperatures stabilise at wellhead, pipeline of liquid and solid phases is closed at separator and gas debit metre. Time of liquid and solid phases accumulation start is registered in reservoir of liquid and solid phases accumulation. Debit of separated gas is measured. Mode is terminated, time of mode termination is recorded. Volumes of accumulated liquid and solid phases per mode are measured.

EFFECT: increased efficiency of gas hydrodynamical research in prediction of water invasion processes due to more accurate definition of values of specific content of liquid and solid phases in gas flow.

4 dwg