公开(公告)号：US10317564B2

公开(公告)日：2019-06-11

申请号：US15479318

申请日：2017-04-05

Applicant: Schlumberger Technology Corporation

Inventor： Timothy Andrew John Hopper ,  David G Cory ,  Julius Kusuma ,  Yi-Qiao Song ,  Martin D. Hurlimann ,  Martin E. Poitzsch

IPC: G01V3/00 ,  G01V3/32 ,  G01N24/08 ,  G01R33/36

Abstract: Methods and systems are provided for tools having non-resonant circuits for analyzing a formation and/or a sample. For example, nuclear magnetic resonance and resistivity tools can make use of a non-resonant excitation coil and/or a detection coil. These coils can achieve desired frequencies by the use of switches, thereby removing the requirement of tuning circuits that are typical in conventional tools.

公开(公告)号：US20170205528A1

公开(公告)日：2017-07-20

申请号：US15479318

申请日：2017-04-05

Applicant: Schlumberger Technology Corporation

Inventor： Timothy Andrew John Hopper ,  David G Cory ,  Julius Kusuma ,  Yi-Qiao Song ,  Martin D. Hurlimann ,  Martin E. Poitzsch

IPC: G01V3/32 ,  G01R33/36

CPC classification number: G01V3/32 ,  G01N24/081 ,  G01R33/3607 ,  G01R33/3621

Abstract: Methods and systems are provided for tools having non-resonant circuits for analyzing a formation and/or a sample. For example, nuclear magnetic resonance and resistivity tools can make use of a non-resonant excitation coil and/or a detection coil. These coils can achieve desired frequencies by the use of switches, thereby removing the requirement of tuning circuits that are typical in conventional tools.