143106 ⎘
Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
Sub-classes:WEAR RING FOR A FLUID END CARTRIDGE
#2PUMP MAINTENANCE FOR SPLIT FLOW WELLBORE SERVICES SYSTEM
#3MANAGING REGENERATIVE ENERGY OF RECIPROCATING PUMPING UNIT
#4METHOD FOR EQUIPMENT CONTROL
#5Hybrid Drive Systems for Well Stimulation Operations
#6ISOLATION SYSTEM FOR EQUIPMENT MAINTENANCE DURING WELL TREATMENT OPERTIONS
#7METHOD FOR EQUIPMENT CONTROL
#8POWER SYSTEM AND METHOD
#9Hybrid Drive Systems for Well Stimulation Operations
#10ARTIFICIAL INTELLIGENCE-DRIVEN CLASSIFICATION WORKFLOW FOR DIAGNOSIS OF SUCKER ROD PUMP OPERATING CONDITIONS
#11SWITCHGEAR LOAD SHARING FOR OIL FIELD EQUIPMENT
#12NOVEL ROD-PUMP CONTROLLER
#13Multi-Plunger Pumps and Associated Drive Systems
#14Flexible manifold for reciprocating pump
#15INDEPENDENT CONTROL OF AUGER AND HOPPER ASSEMBLY IN ELECTRIC BLENDER SYSTEM
#16Pumpjack production well including a cylindrical venturi fluid sensor and capacitive flow sensor
#17ELECTRIC POWERED PUMP DOWN
#18Method for equipment control
#19FIELD POWER MANAGEMENT
#20SYSTEM FOR FUELING ELECTRIC POWERED HYDRAULIC FRACTURING EQUIPMENT WITH MULTIPLE FUEL SOURCES
#21Hybrid drive systems for well stimulation operations
#22SLIDE OUT PUMP STAND FOR HYDRAULIC FRACTURING EQUIPMENT
#23VALVE CONDITION MONITORING SYSTEM
#24ALTERNATOR AND ELECTRONIC FUEL INJECTION FOR OIL WELL PUMPS
#25Fracturing apparatus
#26Anti-spin control for an electric submersible pump permanent magnet motor
#27Multi-plunger pumps and associated drive systems
#28WELL SERVICE PUMP SYSTEM AND METHODS
#29Progressing cavity pump control using pump fillage with PID based controller
#30Method for equipment control
#31Surface driven downhole pump system
#32Switchgear load sharing for oil field equipment
#33Fracturing apparatus
#34Power system and method
#35Alternator and electronic fuel injection for oil well pumps
#36Method for equipment control
#37Electric drive pump for well stimulation
#38Pumpjack production well including venturi fluid sensor and capacitive flow sensor
#39Electric drive pump for well stimulation
#40Lubricant structure and lubricant method for belt pumping unit
#41Method and apparatus for testing and confirming a successful downlink to a rotary steerable system
#42WELL SITE MACHINE LEARNING BASED PREDICTIONS
#43Hybrid drive systems for well stimulation operations
#44Hybrid drive systems for well stimulation operations
#45Electric drive pump for well stimulation
#46Pumpjack having linear alternator
#47Automated hydraulic fracturing operation
#48Flexible manifold for reciprocating pump
#49Apparatuses for altering fluid flow in downhole pumps and related assemblies and methods
#50Method for equipment control
#51Gas-lift system with paired controllers
#52COMPOSITE PUMP PACKING SEALING ELEMENTS
#53Active accumulator
#54System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources
#55Independent control of auger and hopper assembly in electric blender system
#56Fracturing operations pump fleet balance controller
#57Surface driven downhole pump system
#58Rod-pump controller
#59HYDRAULIC PUMPING SYSTEM WITH PISTON DISPLACEMENT SENSING AND CONTROL
#60Plunger lift state estimation and optimization using acoustic data
#61Linear actuator pumping system
#62Hydraulic fracturing pump health monitor
#63Oil and gas well carbon capture system and method
#64Pump systems and methods to improve pump load predictions
#65Switchgear load sharing for oil field equipment
#66Well servicing pump with electric motor
#67Well service pump
#68Mobile Pump System
#69FLUID PUMPING USING ELECTRIC LINEAR MOTOR
#70WELL SITE MACHINE LEARNING BASED ANALYTICS
#71MULTI-PLUNGER PUMPS AND ASSOCIATED DRIVE SYSTEMS
#72Wellsite electrical power management system
#73Irrigation pumpjack
#74Pump jack with counterbalance
#75Bearing fault detection for surface pumping units
#76Flexible manifold for reciprocating pump
#77Turbine chilling for oil field power generation
#78Apparatus and methods for optimizing control of artificial lifting systems
#79Integrated pump and compressor and method of producing multiphase well fluid downhole and at surface
#80Power system and method
#81Polished rod rotator with height adjuster
#82Integrated Pump and Compressor and Method of Producing Multiphase Well Fluid Downhole and at Surface
#83LINEAR RACK DRIVE FOR SUBMERSIBLE ROD PUMP FOR OIL PRODUCTION
#84Electric drive pump for well stimulation
#85Frequency sweeping tubewave sources for liquid filled boreholes
#86Methods for constructing ESP motors with sealed stator windings and stator chamber
#87ESP motor with stator core sections sealed to form a stator chamber
#88Linear hydraulic pump and its application in well pressure control
#89Slide out pump stand for hydraulic fracturing equipment
#90Independent control of auger and hopper assembly in electric blender system
#91Critical valve performance monitoring system
#92Wiper ring assembly with energizing member
#93Downhole Solid State Pumps
#94Reduced torque lock assembly
#95Electric powered pump down
#96Linear hydraulic pump for submersible applications
#97Method for identifying if a submersible pump is sucking partly liquid and partly air
#98SINGLE POWER SOURCE FOR MULTIPLE PUMPS CONFIGURATION
#99Motor drive system and method
#100Method of pumping fluid from a wellbore by a subsurface pump having an interior flow passage in communication with a fluid chamber via a filter positioned in a side wall of a plunger
#101Modular horizontal pumping system with mobile platform and method of using same
#102Multi-plunger pumps and associated drive systems
#103Configuration and operation of an optimized pumping system
#104Motor drive system and method
#105Pumpjack production well including fluid sensor having 2-dimensional venturi and capacitive flow sensor
#106Long stroke pumping unit
#107Direct drive pumping unit
#108Electric hydraulic fracturing system
#109Hybrid drive systems for well stimulation operations
#110Cavitation avoidance system
#111Systems and methods for fluid end monitoring
#112Double acting positive displacement fluid pump
#113Monitoring system for pressure pump cavitation
#114Tandem motor linear rod pump
#115Tandem motor linear rod pump
#116Dual pump mobile electrically powered system for use in fracturing underground formations
#117DAMPENED VALVE ASSEMBLY
#118Artificial lift system with enclosed rod rotator
#119Accurate flow-in measurement by triplex pump and continuous verification
#120REMOTE MONITORING FOR HYDRAULIC FRACTURING EQUIPMENT
#121Fluid end assembly of a reciprocating pump
#122Automated operation of wellsite pumping equipment
#123Gas-lift system with paired controllers
#124Dual pump VFD controlled system for electric fracturing operations
#125Dual pump VFD controlled motor electric fracturing system
#126Dual pump trailer mounted electric fracturing system
#127Control system for electric fracturing operations
#128Multiple generator mobile electric powered fracturing system
#129Downhole pump with traveling valve and pilot
#130Downhole dynamometer and method of operation
#131Equipment, system and method for delivery of high pressure fluid
#132Cooling systems and methods for downhole solid state pumps
#133Wireline-deployed solid state pump for removing fluids from a subterranean well
#134Bearing fault detection for surface pumping units
#135Method and system for pressure regulation of well fluid from a hydrocarbon well
#136Subsurface reciprocating pump for gassy and sandy fluids
#137Power system and method
#138Double Motor Non-beam Pumping Unit with a Reducer Built in the Roller
#139Movable Coupling for Subsurface Plunger
#140System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources
#141Turbine chilling for oil field power generation
#142ACCESS PUMP CASING
#143Mud pump stroke detection using distributed acoustic sensing
#144Critical valve performance monitoring system
#145Pump monitoring and notification system
#146Bulk modulus monitoring system
#147Wireless axial load cell and sensor assembly
#148Single-sensor analysis system
#149Pressure pump valve monitoring system
#150High pressure valve and transmission safety checks
#151Pump system
#152Frac manifold and systems
#153Switchgear load sharing for oil field equipment
#154Hand brake system used on pumping unit without walking beam
#155Non-beam pumping unit driven by a biaxial motor
#156Non-beam pumping unit driven by a motor reduction unit
#157Well kickoff systems and methods
#158Hydraulic artificial lift for driving downhole pumps
#159Plunger lift state estimation and optimization using acoustic data
#160Remote monitoring for hydraulic fracturing equipment
#161Subsurface pump for use in well artificial lift operations having an interior flow passage of a plunger being in communication with a fluid chamber via a filter
#162Polished rod rotator with height adjuster
#163Integrated pump and compressor and method of producing multiphase well fluid downhole and at surface
#164Mud pump sealing assembly
#165Load-balanced mud pump assembly
#166Autofrettage of thermally clad components
#167Pump casing
#168Integrated wireless data system and method for pump control
#169Determining pump-out flow rate
#170Water pump assembly
#171MUD PULSE TELEMETRY DEMODULATION USING A PUMP NOISE ESTIMATE OBTAINED FROM ACOUSTIC OR VIBRATION DATA
#172Linear hydraulic pump and its application in well pressure control
#173Rotary Motor Driven Reciprocating Downhole Pump Assembly
#174Electric powered pump down
#175Power system for well service pumps
#176Rod pumping unit and method of operation
#177Digitized automatic control method for oil-pumping and digitized balance-shifting pumpjack
#178Methods and systems for directly driving a beam pumping unit by a rotating motor
#179ARTIFICIAL LIFT SYSTEM AND AN ASSOCIATED METHOD THEREOF
#180ESP motor with sealed stator windings and stator chamber
#181Method and Apparatus for Suction Monitoring and Control in Rig Pumps
#182Switchgear load sharing for oil field equipment
#183Turbine chilling for oil field power generation
#184System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources
#185Reciprocating rod pumping unit
#186System and method for automatic tuning of reference model for fracking rig pump
#187Non-welded suction chamber for surface pumping systems
#188Controller for a rod pumping unit and method of operation
#189Rod string rotation during well pumping operations
#190Installation for pumping hydrocarbons, module and method
#191Progressive cavity pump holdback apparatus and system
#192OPERATIONAL CONTROL OF WELLSITE PUMPING UNIT WITH DISPLACEMENT DETERMINATION
#193OPERATIONAL CONTROL OF WELLSITE PUMPING UNIT WITH CONTINUOUS POSITION SENSING
#194ADJUSTABLE SYSTEM FOR PUMPING WATER WITH SELF-PRIMING PUMP
#195Pressure-reducing choke assembly
#196System and method for powering a hydraulic pump
#197Oil and gas well pump components and method of coating such components
#198Flexible joint connection
#199Tandem motor linear rod pump
#200Remote monitoring for hydraulic fracturing equipment
#201Downhole pump with controlled traveling valve
#202Reduced torque valve cover lock assembly
#203Plunger with ion nitriding treatment for a hydraulic fracturing pump and a method for making said plunger
#204Mechanism and system for rotating an elongate member of an oil pump
#205Method and apparatus for preventing gas lock/gas interference in a reciprocating downhole pump
#206Solar battery wireless load cell adapter
#207Pump system and method of starting pump
#208Hydraulic pumping system with enhanced piston rod sealing
#209Hydraulic pumping system with enhanced piston rod sealing
#210Hydraulic pumping system with detection of fluid in gas volume
#211Hydraulic pumping system with piston displacement sensing and control
#212Slant mounted hydraulic pumping system
#213Valve for a downhole pump
#214Electric powered pump down
#215Slide out pump stand for hydraulic fracturing equipment
#216Control system and method of controlling a rod pumping unit
#217Independent control of auger and hopper assembly in electric blender system
#218Plunger apparatus
#219Method and apparatus for removing liquid from a gas producing well
#220Safety indicator lights for hydraulic fracturing pumps
#221Dual completion linear rod pump
#222Submersible pump
#223Systems and methods for controlling downhole linear motors
#224Systems and methods for determining proper phase rotation in downhole linear motors
#225DUAL SHAFT MOTOR FRACTURING MODULE
#226ELEVATED EQUIPMENT ASSEMBLIES, EQUIPMENT-SUPPORTING PLATFORMS, AND RELATED METHODS
#227Flexible beam vertical pumping unit
#228PUMPING UNIT FOR OIL DRILLING, WITH A MOVEMENT CONTROL MECHANISM AND A MOBILE BODY WITHIN A ROTATING HEAD
#229Diversion plunger for reciprocating rod pump
#230Downhole pump flushing system and method of use
#231Long stroke pumping unit
#232Systems and Methods for Providing Power to Well Equipment
#233Mobile, modular, electrically powered system for use in fracturing underground formations
#234Mobile, modular, electrically powered system for use in fracturing underground formations
#235Long-stroke pumping unit
#236System and method for power management of pumping system
#237Nickel corrosion barrier under chrome for sucker rod pumps
#238Methods and system for enhancing flow of a fluid induced by a rod pumping unit
#239Method and systems for enhancing flow of a fluid induced by a rod pumping unit
#240Tower drive pumping unit
#241Oilfield-wide production optimization
#242Mechanism and system for rotating an elongate member of an oil pump
#243Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string
#244Downhole pumping assembly and a downhole system
#245Systems and methods for real-time monitoring of downhole pump conditions
#246Borehole reciprocating pump assembly with an air chamber acting as a hydraulic shock absorber for the pumped fluid
#247System and method for control and optimization of PCP pumped well operating parameters
#248Methods and apparatus to determine parameters of a pumping unit for use with wells
#249Anti-gas lock valve for a reciprocating downhole pump
#250Hydraulically powered ball valve lift apparatus and method for downhole pump travelling valves
#251Fixed frequency high-pressure high reliability pump drive
#252Methods and apparatus to determine production of downhole pumps
#253Hydraulic pumping assembly, system and method
#254Controlled pressure equalization
#255Velocity pumping system
#256Pumping system with plunger having a shaped edge and coating
#257Real-time pump diagnostic algorithms and application thereof
#258Hydraulic fracturing system
#259Oil-well-pump driving hydraulic system
#260Magnetic anti-gas lock rod pump
#261SYSTEM, METHOD AND APPARATUS FOR COMPUTING, MONITORING, MEASURING, OPTIMIZING AND ALLOCATING POWER AND ENERGY FOR A ROD PUMPING SYSTEM
#262Well service pump system
#263System and method for powering a hydraulic pump
#264Downhole radially actuated longitudinal diaphragm pump
#265Pumping assembly
#266Wiper and seal assembly for a pump
#267System for monitoring linearity of down-hole pumping systems during deployment and related methods
#268Downhole tool for opening a travelling valve assembly of a reciprocating downhole pump
#269Electrical apparatus and control system
#270Peristaltic submersible pump
#271System, method and apparatus for computing, monitoring, measuring, optimizing and allocating power and energy for a rod pumping system
#272Mud pump pressure switch
#273Reciprocating subsurface pump
#274Pump jack assembly
#275Integrated pump and compressor and method of producing multiphase well fluid downhole and at surface
#276Method of controlling a pump and motor
#277Wind-directly-driven oil pumping machine
#278Portable pumping unit base
#279Submersible pump
#280Adaptive pump control for positive displacement pump failure modes
#281Oil pumping unit with pinion reciprocating on rack
#282Cranked Rod Pump Method
#283Surface motor direct-drive sucker-rod screw pump device
#284Tubing inserted balance pump with internal fluid passageway
#285Rotating flexible joint for use in submersible pumping systems
#286Methods and apparatus for sensing in wellbores
#287Linear pump and motor systems and methods
#288Detection of position of a plunger in a well
#289Pump noise reduction and cancellation
#290System and method for powering a hydraulic pump
#291Pumping assembly
#292Compact cable suspended pumping system for lubricator deployment
#293Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string
#294Well-drilling sucker-rod pump
#295Reciprocating pump drive assembly
#296Systems and Methods for Cooling High Temperature Electrical Connections
#297Stable subsea electric power transmission to run subsea high speed motors
#298Method and system for optimizing downhole fluid production
#299Stacked labyrinth chambers for use with an electrical submersible pump
#300Methods and apparatus for removing liquid from a gas producing well