GAS OPERATED AUTOMATIC, LIQUID PUMPING SYSTEM FOR WELLS
摘要
An improved, unattended, liquid pumping device for oil and gas wells featuring a bellows controlled flow valve that opens and closes at preset pressures. Additionally a well head receiver design that releases shut in production gas below the pumping device and provides a positive pressure differential across the pumping device prior to valve opening.
申请公布号
WO03087521(A2)
申请公布日期
2003.10.23
申请号
WO2003US10593
申请日期
2003.04.07
申请人
BRANDYWINE ENERGY AND DEVELPOMENT COMPANY, INC.;SWOYER, GERALD, L.;HUNT, CHARLES, H.;YANIGA, PAUL, M.;BORDOGNA, RICHARD, J.
发明人
SWOYER, GERALD, L.;HUNT, CHARLES, H.;YANIGA, PAUL, M.;BORDOGNA, RICHARD, J.