The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 20, 2014

Filed:

Nov. 14, 2008
Applicants:

Hezhu Yin, Humble, TX (US);

Guo Pingjun, Bellaire, TX (US);

Jinjuan Zhou, Sugar Land, TX (US);

Inventors:

Hezhu Yin, Humble, TX (US);

Guo Pingjun, Bellaire, TX (US);

JinJuan Zhou, Sugar Land, TX (US);

Assignee:

ExxonMobil Upstream Company, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G 7/48 (2006.01); G01V 5/04 (2006.01); G01V 5/00 (2006.01); G01V 5/06 (2006.01); G01V 11/00 (2006.01); E21B 49/00 (2006.01);
U.S. Cl.
CPC ...
G01V 5/06 (2013.01); G01V 11/00 (2013.01); E21B 49/00 (2013.01);
Abstract

Systems and methods which provide modeling or simulation of gamma ray (GR) tool response using a hybrid analytical and numerical technique are shown. Embodiments employ a GR tool simulation technique which provides gamma ray information simulated as a function of only the gamma particles which reach the detector without scattering. Embodiments utilize a discretization function to determine the gamma particles which would reach a point detector from each unit volume source of an investigation domain without scattering. Embodiments further utilize the foregoing discretization function with respect to a plurality of point detectors, wherein the particular number and configuration of point detectors are selected to relatively accurately simulate the results of a particular GR detector configuration, such as line detector or volume detector configurations. Embodiments may be implemented using inexpensive and widely available computing platforms, such as personal computers, thereby facilitating economic and practical GR tool simulation.


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