Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2006-02-16
2008-11-04
Bomar, Shane (Department: 3676)
Wells
Processes
With indicating, testing, measuring or locating
C166S250030, C073S152270, C073S152280, C073S152550
Reexamination Certificate
active
07445043
ABSTRACT:
A method for detecting pressure disturbances in a formation accessible by a borehole while performing an operation includes positioning a tool within the borehole, positioning a first probe of the tool at a first location, positioning a second probe of the tool at a second location remote from the first location to obtain a pressure reading, performing an operation with the first probe, detecting the presence of a first phase fluid within the tool, detecting a pressure disturbance within the formation with the second probe, and identifying a second phase fluid based on the detection of the pressure disturbance. Other methods and systems for detecting pressure disturbances in the formation are further shown and described.
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B. Raghuraman, C. Xian, A. Carnegie, B. Lecerf, L. Stewart, G. Gustavson, M.K. Abdou, A. Hosani, A. Dawoud, A. Mahdi and S. Ruefer, Downhole pH Measurement for WBM Contamination Monitoring and Transition Zone Characterization, SPE 95785, Oct. 9-12, 2005.
Carnegie Andrew
Kuchuk Fikri
Mullins Oliver C.
Bomar Shane
Lowrie Lando & Anastasi, LLP
Schlumberger Technology Corporation
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