A wellbore motor includes a source of rotational motive power disposed in a wellbore, a magnetic gear member operatively coupled at an input thereof to the source; and a magnetic gear member output coupled rotationally to a rotary wellbore tool.
申请公布号
WO2007064591(A2)
申请公布日期
2007.06.07
申请号
WO2006US45423
申请日期
2006.11.27
申请人
DEXTER MAGNETIC TECHNOLOGIES INC.
发明人
MCDONALD, WILLIAM, J.;PRICE, TIMOTHY, F.;HATCH, GARETH, P.