Inventor

STEPHENSON STANLEY V

US81 patents

⚠️ This page may combine multiple inventors who share the name “STEPHENSON STANLEY V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

STEPHENSON STANLEY V

HALLIBURTON ENERGY SERVICES INC

Electric pump flow rate modulation for fracture monitoring and control

Immiscible fluid systems and methods of use for placing proppant in subterranean formations

Safety pressure limiting system and method for positive displacement pumps with optional automatic restart

Method to determine adjacent well communication

Connecting tubular members

Wellhead flowback control system and method

Optimization of fuel consumption in equipment used in well site operations

System and method for changing proppant concentration

Decoupled long stroke pump

Pressure pump balancing system

Stimulation treatment using accurate collision timing of pressure pulses or waves

Injection valve for injecting randomly sized and shaped items into high pressure lines

Methods of low-rate hydraulic fracturing treatments

Pressure-exchanger to achieve rapid changes in proppant concentration

System and method of delivering stimulation treatment by means of gas generation

Pressure exchanger having crosslinked fluid plugs

Tubular string displacement assistance

Method for providing step changes in proppant delivery

Split flow pumping system configuration

Controlled stop for a pump

Optimization of engine emissions from equipment used in well site operations

Simulfrac pulsed treatment

HALLIBURTON CO

System and method for quantitative determination of mixing efficiency at oil or gas well

Polymer flood mixing apparatus and method

Apparatus, method and system for monitoring fluid

Cement mixing and pumping system and method for oil/gas well

Automatic ball injector apparatus and method

Expanded range magnetic flow meter

Slurry mixing apparatus

Slurry mixing apparatus

Apparatus, method and system for monitoring fluid

Cement mixing system simulator and simulation method

Slurry mixing apparatus

Method of operating a sand screw

Apparatus, method and system for monitoring fluid

HALLIBURTON ENERGY SERV INC

Method of controlling development of an oil or gas reservoir

Method and system for detecting cavitation in a pump

Characterizing oil, gasor geothermal wells, including fractures thereof

Fracture monitoring using pressure-frequency analysis

Continuously variable displacement pump with predefined unswept volume

Methods for combining well test analysis with wavelet analysis

Variable stroke assembly

System and method for servicing a wellbore

Inferential densometer and mass flowmeter

SURJAATMADJA JIM B

High pressure stimulation pump

MCCOY TERRY H

Corrosion resistant fluid end for well service pumps

STEPHENSON STANLEY V

System and method for servicing a wellbore

HEITMAN CHAD

Systems and methods for specifying an operational parameter for a pumping system

STEGEMOELLER CALVIN LYNN

Method and apparatus for centrifugal blending system

BEISEL JOSEPH A

Determining fluid pressure