Inventor

ROBISON CLARK E

US55 patents

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

ROBISON CLARK E

WEATHERFORD TECH HOLDINGS LLC

Reciprocating rod pumping unit

Long-stroke pumping unit

Long stroke pumping unit

Hydraulic pumping system with piston displacement sensing and control

Long-stroke pumping unit

Rod string rotation during well pumping operations

Long stroke pumping unit

Hydraulic pumping system with enhanced piston rod sealing

Hydraulic pumping system with enhanced piston rod sealing

Pumping unit inspection sensor assembly, system and method

Long-stroke pumping unit

Jet pump controller with downhole prediction

Reservoir analysis with well pumping system

Apparatus and method of monitoring a rod pumping unit

Apparatus and methods for counterbalancing a pumping unit

Pumping unit bases with driven piles

Pumping unit inspection sensor assembly, system and method

Direct drive pumping unit

Long-stroke pumping unit

Long-stroke pumping unit

Long-stroke pumping unit

Position sensing for wellsite pumping unit

Bearing fault detection for surface pumping units

Bearing fault detection for surface pumping units

Well pumping system with enclosed rod rotator

HALLIBURTON ENERGY SERV INC

Method and apparatus for a sand screen with integrated sensors

Vibration based power generator

Sand screen with integrated sensors

Method and apparatus for treating a wellbore with vibratory waves to remove particles therefrom

Method and apparatus for generating electric power downhole

Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation

Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation

Apparatus and method for perforating a subterranean formation

Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation

Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation

Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation

Annular flow safety valve and methods

Power discriminating systems

Power discriminating systems

Apparatus and method for determining constituent composition of a produced fluid

Self-regulating lift fluid injection tool and method for use of same

Self-regulating lift fluid injection tool and method for use of same

Downhole hydraulic path selection

HALLIBURTON CO

Internally sealable perforable nipple for downhole well applications

Reeled tubing deployed packer with control line bypass

OTIS ENG CO

Variable flow sliding sleeve valve and positioning shifting tool therefor

Apparatus for enhanced oil recovery

ROBISON CLARK E

Indexing sleeve for single-trip, multi-stage fracing

Indexing sleeve for single-trip, multi-stage fracing

WEATHERFORD LAMB

Linear displacement measurement method and apparatus