Patent · US Active

Method and apparatus for predicting petrophysical properties from NMR data in carbonate rocks

US9081117B2 · kind B2 · utility

10Cited by

6References

21Claims

0Family size

Assignee

Baker Hughes Holdings LLC · US

Inventors

Jianghui Wu · Diemelstraße, US
Songhua Chen · Katy, US
Bo Gao · Lo Wu, CN

Key dates

Filing date	Sep 14, 2011
Grant date	Jul 14, 2015
Priority date	—
Expiry date	Oct 12, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG01V3/32
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An apparatus and method for determining a property of an earth formation using a radial basis function derived from a catalog of rock samples. Parameters of a Thomeer capillary pressure fitting curve are derived and used for analyzing rocks with unimodal or multimodal pore size distributions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.