Wells – With below and above ground modification – Eduction pump or plunger in well
Patent
1993-05-28
1994-10-11
Dang, Hoang C.
Wells
With below and above ground modification
Eduction pump or plunger in well
166105, 417400, 417402, 417468, E21B 4312, F04B 1902
Patent
active
053538706
ABSTRACT:
The disclosed well purging and sampling pump has a hydraulically actuated rim driven cylindrical pumping piston assisted by an internal precharged gas return spring all mounted coaxially within a pump housing cylinder suitable for being lowered into and supported by the hydraulic conduits for actuation and pump delivery.
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Information sheets on purging pump from REDI-FL02, 2 pages.
Information sheets on Model SP-84 Submersible Sampling Pump System from KECK Instruments, Inc., of Williamston, Mich, 2 pages.
Information sheets from Bennett Sample Pumps (Submersible Piston Pump--Models 140 and 1400), 3 pages.
Information sheets from TIMCO on ISOMEGA Bladder Pump System, Air or Gas Lift Pumps for Well Purging and Sampling, and Air Lift Pumps for Product Recovery, 2 pages.
Information sheets from QED GroundWater Specialists entitled SAMPLE PRO (Portable Sampling Pumps, pp. 5-6); Well Wizard (Pneumatic Bladder Sampling Pumps, pp. 10-11); and PULSEPUMP (Recovery Bladder Pump), p. 29
Information sheets from KVA Analytical Systems of Falmouth, Mass., entitled MODEL XP 100 Series (Expendable Purge and Sampling Mini Pump System), 2 pages.
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