Title:
Differential pressure adapter for automatic cycle well control
United States Patent 3266574
Inventors:
Gandy, Gary R.
Publication Date:
08/16/1966
Export Citation:
Click for automatic bibliography generation
Assignee:
Gandy, Gary R.
Primary Class:
166/53
Other Classes:
166/64, 417/137
International Classes:
E21B43/12; E21B43/12
View Patent Images:
Download PDF 3266574        PDF help
US Patent References:
3043331Pressure controller
2348161Salt water disposal system
2263565Flow intermitter
1901141Subterranean automatic oil well control