Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2007-09-25
2007-09-25
Bagnell, David (Department: 3672)
Wells
Processes
With indicating, testing, measuring or locating
C166S369000, C166S053000, C137S112000, C700S282000
Reexamination Certificate
active
11059761
ABSTRACT:
A method for producing oil or gas from multiple wells, the wells including at least a first well and a second well, with each well using an artificial lift system that includes a plunger associated with a motor valve off time, and first and second identical connecting subsystems that connect their respective wells to a common sales line. The first connecting subsystem includes: a) a plunger arrival sensor connected to a micro controller; b) a wellhead connected to the first well; c) a motor valve connected to the wellhead; d) first and second pressure transducers on either side of the motor valve, conductively coupled to the micro controller; and e) a micro controller for keeping the motor valve closed during the motor valve off time, and extending the motor valve off time following a determination of the existence of a pressure spike in the common sales line.
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Evans Rick
Oehlert Michael A.
Pugh Trevor
Bagnell David
Fuller Robert
Headley Tim
Scientific Microsystems, Inc.
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