143110 ⎘
Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level details of the walking beam
ROBUST DOWNHOLE PUMP BARREL
#2Multi-Bolt Clamshell Retainer for Wristpin on Rod Pump Unit
#3Lightweight, Lattice Structure Horsehead for Reciprocating Pump Unit
#4Equalizer Bearing Assembly having Wedged Retainers
#5SYSTEM AND METHOD FOR HARNESSING GRAVITY TO GENERATE, LEVERAGE, AND STORE ELECTRICAL ENERGY
#6ELECTRIC CYLINDER DRIVING DEVICE AND WALKING BEAM PUMPING UNIT INCLUDING ELECTRIC CYLINDER DRIVING DEVICE
#7BEAM PUMPING UNIT AND DESIGN METHOD FOR BEAM PUMPING UNIT
#8LONG STROKE BEAM PUMPING UNIT
#9System and Method for Controlling Artificial Lift Units
#10Pumping Unit Having Zero-Imbalanced Beam, Lagging Counterweights, and Setback Crank Point
#11Oil-well pump instrumentation device and method
#12Pumping unit counterweight balancing
#13Pumping unit counterweight balancing
#14Slant well pumping unit
#15Beam pumping unit with geometry optimized for bearing stress reduction
#16Plunger lift state estimation and optimization using acoustic data
#17Rear leg connection for beam pumping unit
#18Apparatus and methods for counterbalancing a pumping unit
#19Beam pumping unit and method of operation
#20Systems and methods for sucker rod pump jack visualizations and analytics
#21Mobilized Tail Bearing Pumpjack
#22Flexible beam vertical pumping unit
#23Dual horsehead block and tackle pumping unit
#24SELF-ALIGNING, FLUID-DRIVEN PUMPING UNIT
#25System and method for determination of polished rod position for reciprocating rod pumps
#26PUMPING UNIT
#27Assembly and method of alternative pumping using hollow rods without tubing
#28Beam pump dynamic load monitoring and methods
#29For CPA pumping unit with end return for positioning drive
#30Pumping unit with end return for positioning drive