Method and Apparatus for Neutron Logging Using a Position Sensitive Neutron Detector,申请号US201113100683-传众专利搜索

Method and Apparatus for Neutron Logging Using a Position Sensitive Neutron Detector

申请公布号：US2011272570(A1)

申请号：US201113100683

申请日期：2011.05.04

申请公布日期：2011.11.10

申请人：

SMITH INTERNATIONAL, INC.

发明人：XU LIBAI;MCKINNY KEVIN S.;HUISZOON CORNELIS;STOLLER CHRISTIAN

分类号：G01V5/10

主分类号：G01V5/10

摘要：A neutron logging tool includes a neutron source and at least one position sensitive thermal or epithermal neutron detector. The logging tool further includes an electronic controller configured to estimate the axial location of detected neutrons. Measurement of the axial neutron flux distribution enables other formation and borehole parameters such as formation porosity and sensor standoff to be computed. In logging while drilling embodiments, a borehole caliper may also be computed form the axial neutron flux distribution.