Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science
Reexamination Certificate
2005-10-18
2005-10-18
McElheny, Jr., Donald (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Earth science
Reexamination Certificate
active
06957145
ABSTRACT:
A method for measuring one or more characteristics of an earth formation wherebyenergy is emitted circumferentially about a borehole into the formation, and the amount reflected back is detected during a plurality of sample periods. The samples are grouped into two or more groups by the azimuthal sector in which the sample was collected. Within a group, each sample is mathematically weighted according to the standoff of the detector from the borehole wall when the sample was taken. Within a group, the weighted samples are summed to produce a weighted total amount of energy detected within a sector. The weighted total is then transformed into the one or more characteristics.
REFERENCES:
patent: 4163324 (1979-08-01), Russell et al.
patent: 4510696 (1985-04-01), Roesler
patent: 4601353 (1986-07-01), Schuh et al.
patent: 4665511 (1987-05-01), Rodney et al.
patent: 4786874 (1988-11-01), Grosso et al.
patent: 5017778 (1991-05-01), Wraight
patent: 5045795 (1991-09-01), Gianzero et al.
patent: 5091644 (1992-02-01), Minette
patent: 5175429 (1992-12-01), Hall, Jr. et al.
patent: 5200705 (1993-04-01), Clark et al.
patent: 5397893 (1995-03-01), Minette
patent: 5451779 (1995-09-01), Spross et al.
patent: 5465799 (1995-11-01), Ho
patent: 5473158 (1995-12-01), Holenka et al.
patent: 5486695 (1996-01-01), Schultz et al.
patent: 5513528 (1996-05-01), Holenka et al.
patent: 5804820 (1998-09-01), Evans et al.
patent: 6307199 (2001-10-01), Edwards et al.
patent: 6619395 (2003-09-01), Spross
International Search Report prepared by David Bagnell, completed Mar. 19, 2003, mailed Apr. 10, 2003.
“Interpretation of Directional Gamma Ray Logging Data for Hydraulic Fracture Orientation”; G.A. Simpson and L.L. Gadeken, Halliburton Logging Services, Inc.; Society of Petroeum Engineers, SPE 25851, 1993, pp. 95-106.
“MWD Directional-Focused GammaRay-A New Tool for Formation Evaluation and Drilling Control in Horizontal Wells”; Yih-Min Jan and John W. Harrell, SPWLA 28thAnnual Logging Symposium, Jun. 29-Jul. 2, 1987, pp. 1-17.
Fish & Richardson P.C.
Halliburton Energy Service,s Inc.
McElheny Jr. Donald
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