Wells – Processes – With indicating – testing – measuring or locating
Patent
1999-08-10
2000-10-03
Tsay, Frank S.
Wells
Processes
With indicating, testing, measuring or locating
166373, 166 667, E21B 3408
Patent
active
061259330
ABSTRACT:
A service tool for use in completion operations includes a fluid control apparatus therein. The apparatus permits variable regulation of fluid flow downhole, selective opening and closing of multiple fluid ports in the apparatus, protection against overpressurization and communication with the earth's surface. Each of these functions is accomplished by displacing a member of the apparatus with an electromechanical device. In particular, data transmission is performed by displacing the member relative to a fluid port to thereby produce pressure pulses in a fluid flowing therethrough.
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Halliburton Energy Service,s Inc.
Herman Paul I.
Smith Marlin R.
Tsay Frank S.
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