公开(公告)号：WO2012012120A3

公开(公告)日：2012-01-26

申请号：PCT/US2011/042008

申请日：2011-06-27

Applicant: SCHLUMBERGER CANADA LIMITED ,  SCHLUMBERGER TECHNOLOGY B.V. ,  PRAD RESEARCH AND DEVELOPMENT LIMITED ,  SERVICES PETROLIERS SCHLUMBERGER ,  SCHLUMBERGER HOLDINGS LIMITED ,  FITZGERALD, John, B. ,  STEPHENSON, Kenneth, E.

Inventor： FITZGERALD, John, B. ,  STEPHENSON, Kenneth, E.

IPC: G01V5/14 ,  G21G4/02 ,  G01T3/00

Abstract: The present disclosure is intended to overcome the problem of hydrogen contamination of the density signal. The approach is to compute the neutron capture portion of the total gamma ray counts and subtract it from the total counts resulting in a pure inelastic gamma ray measurement.

公开(公告)号：WO2009085367A2

公开(公告)日：2009-07-09

申请号：PCT/US2008079858

申请日：2008-10-14

Applicant: SCHLUMBERGER CA LTD ,  SCHLUMBERGER TECHNOLOGY BV ,  PRAD RES & DEV LTD ,  SCHLUMBERGER SERVICES PETROL ,  SCHLUMBERGER HOLDINGS ,  STEPHENSON KENNETH E ,  FITZGERALD JOHN B

Inventor： STEPHENSON KENNETH E ,  FITZGERALD JOHN B

IPC: G01T3/00

CPC classification number: G01T3/00 ,  G01V5/107

Abstract: An accelerator-based neutron tool is provided. The tool includes a deuterium- tritium gas mixture such that the tool outputs a desired ratio of 2.45 MeV and 14 MeV neutrons.

Abstract translation: 提供了一种基于加速器的中子工具。 该工具包括氘 - 氚气体混合物，使得该工具输出所需的2.45MeV和14MeV中子的比例。

公开(公告)号：WO2012012120A2

公开(公告)日：2012-01-26

申请号：PCT/US2011042008

申请日：2011-06-27

Applicant: SCHLUMBERGER CA LTD ,  SCHLUMBERGER TECHNOLOGY BV ,  PRAD RES & DEV LTD ,  SCHLUMBERGER SERVICES PETROL ,  SCHLUMBERGER HOLDINGS ,  FITZGERALD JOHN B ,  STEPHENSON KENNETH E

Inventor： FITZGERALD JOHN B ,  STEPHENSON KENNETH E

IPC: G01V5/14 ,  G01T3/00 ,  G21G4/02

CPC classification number: G01V5/105 ,  G01V5/10 ,  G01V5/101 ,  G01V5/14

Abstract: The present disclosure is intended to overcome the problem of hydrogen contamination of the density signal. The approach is to compute the neutron capture portion of the total gamma ray counts and subtract it from the total counts resulting in a pure inelastic gamma ray measurement.

Abstract translation: 本公开旨在克服密度信号的氢污染问题。 该方法是计算总伽马射线计数的中子俘获部分，并从总计数中减去，从而产生纯非弹性伽马射线测量。

公开(公告)号：WO2009085367A3

公开(公告)日：2009-07-09

申请号：PCT/US2008/079858

申请日：2008-10-14

Applicant: SCHLUMBERGER CANADA LIMITED ,  SCHLUMBERGER TECHNOLOGY B.V. ,  PRAD RESEARCH AND DEVELOPMENT LIMITED ,  SERVICES PETROLIERS SCHLUMBERGER ,  SCHLUMBERGER HOLDINGS LIMITED ,  STEPHENSON, Kenneth, E. ,  FITZGERALD, John, B.

Inventor： STEPHENSON, Kenneth, E. ,  FITZGERALD, John, B.

IPC: G01V5/10

Abstract: An accelerator-based neutron tool is provided. The tool includes a deuterium- tritium gas mixture such that the tool outputs a desired ratio of 2.45 MeV and 14 MeV neutrons.