Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science
Reexamination Certificate
2008-06-24
2008-06-24
Barlow, Jr., John E (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Earth science
C702S006000, C702S024000, C702S025000, C073S863120, C422S068100, C422S083000
Reexamination Certificate
active
07392138
ABSTRACT:
A method includes the phases of measuring the quantity of a given gas in the gases extracted from a calibration sample of a calibration mud, in at least two stages for extraction under predetermined conditions. A family of curves representing the extraction, under the predetermined conditions, of the given gas from the drilling mud, is established on the basis of the measurements carried out. The method also includes the phases of measuring the quantity of given gas in the gases extracted from an analysis sample of the drilling mud in an extraction stage, under the predetermined conditions; and computing the given gas content of the drilling mud on the basis of the measured quantity of given gas and of a curve of the family.
REFERENCES:
patent: 4635735 (1987-01-01), Crownover
patent: 4887464 (1989-12-01), Tannenbaum et al.
patent: 5049738 (1991-09-01), Gergely et al.
patent: 5375465 (1994-12-01), Carlson
patent: 5859430 (1999-01-01), Mullins et al.
Breviere Jérôme
Frechin Nicolas
Barlow Jr. John E
Geoservices
Vo Hien X
Wenderoth , Lind & Ponack, L.L.P.
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