Inventor

HARRIGAN EDWARD

US46 patents

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

HARRIGAN EDWARD

SCHLUMBERGER TECHNOLOGY CORP

Downhole formation testing tool

Apparatus and method for sampling formation fluids above the bubble point in a low permeability, high pressure formation

Apparatus and method for controlling the pressure of fluid within a sample chamber

Coring bit motor and method for obtaining a material core sample

Perforating gun with integrated initiator

Gas chromatography system architecture

Downhole formation testing tool

Determining fluid chemistry of formation fluid by downhole reagent injection spectral analysis

Apparatus and method for controlling the pressure of fluid within a sample chamber

Apparatus and method for characterizing a reservoir

Method and apparatus for retaining a core sample within a coring tool

Coring bit and method for obtaining a material core sample

Coring bit with uncoupled sleeve

Downhole sampling apparatus and method for using same

Flow control valve and method

Flow control valve and method

System and method for providing oscillation downhole

Time-of-flight stochastic correlation measurements

Downhole cable sensor

Single packer system for fluid management in a wellbore

System and method for providing oscillation downhole

Apparatus and method for characterizing a reservoir

Cohesively enhanced modular perforating gun

HALLIBURTON ENERGY SERVICES INC

Downhole tool including a helically wound structure

System and method for centralizing a tool in a wellbore

Slickline selective perforation system

Methods and apparatus to decouple downhole tool speed from conveyance tools

System and method for centralizing a tool in a wellbore

Pumpdown regulator

Caliper tool and sensor for use in high pressure environments

High flowrate formation tester

High flowrate formation tester

HARRIGAN EDWARD

Formation evaluation instrument and method

Downhole fluid injection

CORRE PIERRE-YVES

Single packer structure with sensors

Single packer system for fluid management in a wellbore

IMPACT SELECTOR INT LLC

Downhole tension sensing apparatus

Downhole tension sensing apparatus

KUCHUK FIKRI

Instrumented formation tester for injecting and monitoring of fluids

PISIO VINCENT

Methods and apparatus to perform stress testing of geological formations

FIELDS TROY

Apparatus and methods for characterizing a reservoir

SALDUNGARAY PABLO

Formation testing and evaluation using localized injection

TORGERSEN TORLEIF

Fluid analyzer for determining fluid chemistry of formation fluid by downhole reagent injection spectral analysis

ANGELESCU DAN

Thermal bubble point measurement system and method

DUSSAN V ELIZABETH B

Apparatus, method and system for measuring formation pressure and mobility

HARRISON ALLEN RAY

Tool to determine formation fluid movement