E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
137/26
E21B 43/00 (2006.01) E21B 43/12 (2006.01) F04B 49/24 (2006.01) F04D 15/02 (2006.01)
Patent
CA 1129305
Attorney's Case No. 209 IMPROVED LOW WELL YIELD CONTROL SYSTEM AND METHOD Abstract of the Disclosure A low well yield control system and method for preventing over pumping of wells and other fluid reservoirs. The control is positioned in the reservoir and includes a plurality of relief valves which are opened to replenish liquid in the reservoir from the pumped liquid in the event the liquid level is lowered relative to a float.
337039
Kramer Richard W.
Macrae & Co.
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