F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/41
F04B 47/00 (2006.01) E21B 37/00 (2006.01) E21B 43/12 (2006.01) F04B 47/02 (2006.01) F04B 53/14 (2006.01) F04B 53/16 (2006.01)
Patent
CA 1086134
SPECIFICATION WALTER S. SECRIST SUBSURFACE PUMPING INSTALLATION FOR HANDLING VISCOUS OR SAND-LADEN FLUIDS ABSTRACT OF THE DISCLOSURE A subsurface pumping installation for handling viscous or sand-laden fluids. The installation includes parallel power and production tubing strings, a pump located at the bottom of the power tubing string, and a crossover which affords communication between the pump and the production tubing string. Diluent is conducted to the well through the power tubing string. A portion of the diluent is conducted to the pump barrel below the plunger, where it serves to exclude well fluid from the plunger. Another portion may be conducted through a bypass tube to a mixing chamber below the pump, where it mixes with well fluid.
270657
Borden Ladner Gervais Llp
Uss Engineers And Consultants Inc.
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