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.
Patent No.:
Date of Patent:
May. 14, 2013
Filed:
Sep. 30, 2008
Moustafa E. Oraby, Cairo, EG;
Jerome A. Truax, Houston, TX (US);
Moustafa E. Oraby, Cairo, EG;
Jerome A. Truax, Houston, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
Water salinity and water saturation measurements are enhanced by systems and methods for logging salt concentration in formation fluids. Some tool embodiments augment a neutron porosity logging tool with a gamma ray detector configured to measure the rate at which hydrogen nuclei capture neutrons from a neutron source. The ratio of the hydrogen-capture gamma ray count rate to the neutron flux can be combined with a porosity measurement to derive the salt concentration in the formation fluids. When the salt concentration is further combined with resistivity measurements, the water salinity and water saturation can be derived. Some tool embodiments employ a continuous neutron source, Helium-3 filled neutron detectors, and a gamma ray detector that is the same distance from the source as one of the neutron detectors.