Apparatus for protecting a magnetic resonance antenna
摘要
The instruments of a pulsed nuclear magnetic resonance device are included in a drill collar for evaluating earth formations. The resulting tool makes NMR measurements through an electrically non-conductive shield while the formation is being drilled.
申请公布号
US5767674(A)
申请公布日期
1998.06.16
申请号
US19960639009
申请日期
1996.04.17
申请人
GRIFFIN, DOUGLAS D.;HALL, JAMES STEPHEN;SEZGINER, ABDURRAHMAN
发明人
GRIFFIN, DOUGLAS D.;HALL, JAMES STEPHEN;SEZGINER, ABDURRAHMAN