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2024
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G/S
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Electric switches for downhole perforating in wells; Electric switches |
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Invention
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System and method for deduplicating perforating-gun initiator-circuit addresses. An initiator cir... |
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2023
|
G/S
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Electronic controllers for controlling the firing of explosives during wellsite operations; Wirel... |
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G/S
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Electric switches; Electronic components in the nature of printed circuit boards and electronic f... |
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G/S
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Electronic apparatus for the remote control of industrial operations; Electronic controllers for ... |
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|
Invention
|
System and method for deduplicating perforating-gun initiator-circuit addresses.
A stack of addr... |
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2022
|
Invention
|
Perforating-gun initiator circuit. An initiator circuit for a perforating gun includes a micropro... |
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2021
|
Invention
|
Methods and apparatus for cement bond evaluation through production tubing. Various downhole logg... |
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2020
|
Invention
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Production-logging compound probe sensor. A sensor comprising three electrodes forming two ... |
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|
Invention
|
Novel production-logging sensor. A sensor comprising three electrodes forming two electrode pairs... |
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|
Invention
|
Novel core-position sensor. A caliper-arm-position sensor comprising a differential variable relu... |
|
|
Invention
|
Core-position sensor. A caliper-arm-position sensor comprising a differential variable reluctance... |
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|
Invention
|
Caliper-arm retention system. A caliper-arm-retention mechanism for a caliper tool is disclosed. ... |
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2019
|
Invention
|
Novel foam-level-detection technology.
A foam-level detector is disclosed. The foam-level detect... |
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|
Invention
|
Production-logging sensor. A sensor comprising three electrodes forming two electrode pairs, each... |
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2017
|
Invention
|
Pulsed eddy current casing inspection tool. Various downhole logging tools and methods of using a... |
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Invention
|
Pulsed eddy current casing inspection tool. 120125130125125) is positioned in the housing to sens... |
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|
Invention
|
Electromagnetic casing inspection tool with azimuthal sensitivity. Various downhole logging tools... |
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2016
|
Invention
|
A thermal conductivity quartz transducer with waste-heat management system. Thermal conductivity ... |
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|
Invention
|
Caliper tool with positive pivoting arm. A tool for evaluating the internal surfaces of tubular i... |
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|
Invention
|
Caliper tool with constant current drive. A tool for evaluating the internal surfaces of tubular ... |
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Invention
|
Constant force centralizer. A constant force device has at least a first non-constant axial force... |
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2015
|
Invention
|
Constant force centralizer.
A constant force device has at least a first non-constant axial forc... |
|
|
Invention
|
Thermal conductivity quartz transducer with waste-heat management system.
Thermal conductivity q... |
|
|
Invention
|
Caliper tool with in-situ temperature compensation. A tool for evaluating the internal surfaces o... |
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2011
|
Invention
|
Well-logging tool for determining properties in a flowstream. A full bore spectral gas holdup too... |
|
|
Invention
|
Well-logging tool for determining properties in a flowstream. A full bore spectral gas hold... |
|
|
Invention
|
Method for initializing receiver channels in a cement bond logging tool. A method for initializin... |
|
2008
|
G/S
|
Electronic instruments for use in the oil and gas industry, namely, cement bond logging tools and... |
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|
G/S
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Engineering support services in the field of oil and gas drilling; Custom design and engineering ... |
|
|
Invention
|
Firing trigger apparatus and method for downhole tools. Methods and devices are provided for cont... |
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2005
|
Invention
|
Sonic instrumentation apparatus and method for cement bond logging. A longitudinally segmented ac... |
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|
Invention
|
Method for processing signals in a cement bong logging tool. A longitudinally segmented acoustic ... |
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|
Invention
|
Method for normalizing signals in a cement bond logging tool. A longitudinally segmented acoustic... |
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2002
|
Invention
|
Memory cement bond logging apparatus and method. A method and device are shown for detecting the ... |
