In-Situ System Calibration

Method and system for evaluation of gamma-gamma well logging data in mineral exploration

Device and method for evaluating the capacitance of a sensor electrode of a proximity sensor

Capacitive probe fabricating from spray deposition

Inversion-based calibration of downhole electromagnetic tools

Closed loop control techniques for displacement sensors with optical readout

Device for low contact cable cleaning

Telemetry diagnostics

Calibrated electromagnetic survey system

Hydrophone Response Compensation Filter Derivation, Design and Application

Solid marine seismic streamers

ANTI-BIOFOULING SEISMIC STREAMER

System, method and computer-program product for in-situ calibration of a wellbore resistivity logging tool

Hydrophone calibration system

Pendulum arm flexure and method of construction

Cable detection apparatus with a comb filter

Control variable determination to maximize a drilling rate of penetration

Geophysical cable preparation for antifouling paint

Ocean bottom seismic node system

Radiation Detector For Well-Logging Tool

System and method for calibrating an inertial sensor

Fabrication process and package design for use in a micro-machined seismometer or other device

Calibration method for multi-component induction tools

Input voltage modulator for radiation generator

Apparatus and Method for Determining the Quality or Accuracy of Reported Locations

Magnetic field generating device and offset calculating method

MEASUREMENT TRANSFORMATION APPARATUS, METHODS, AND SYSTEMS

SOLID STREAMER LONGITUDINAL BODY APPARATUS AND METHOD OF USE THEREOF

Method and apparatus for testing a sensor

Marine cable support system and method

Control variable determination to maximize a drilling rate of penetration

Seismic vibrator device and method with rotation sensor

Downhole sensor tool for logging measurements

SENSOR STATION, SYSTEM AND METHOD FOR SENSING SEISMIC PARAMETERS

Term by term gain calibration of triaxial propagation measurements

CLEANING DEVICE AND METHOD

System and method for position monitoring using ultrasonic sensor

Sensor conditioning apparatus, systems, and methods

Nuclear radiation detector calibration downhole

Pressure equalized packaging for electronic sensors

Systems and methods for reducing marine fouling

Insulation Structure For Well Logging Instrument Antennas

Oilfield equipment identification method and apparatus

Source for marine seismic acquisition and method

Method and system for calibrating a downhole imaging tool

Well-Logging Tool With First And Second Azimuthal Radiation Detectors And Related Methods

Well-logging tool with azimuthal and spectral radiation detectors and related methods

Multilayer jacket for marine acoustic array applications

Time-efficient tests to detect air gun faults

Marine geophysical equipment cleaner

Sourceless density measurements with neutron induced gamma normalization

METHOD OF MAKING A WELL-LOGGING RADIATION DETECTOR

Methods of calibration transfer for a testing instrument

Controlled damping geophone

MONITORING OF SOURCE SIGNATURE DIRECTIVITY IN SEISMIC SYSTEMS

Dual-coil geophone accelerometer

Multi-coil multi-terminal closed-loop geophone accelerometer

Well logging apparatus and system

Restorable antennae apparatus and system for well logging

Method and system for suppressing swell-induced electromagnetic noise

Radiation detector for well-logging tool

Autonomous cleaning device for seismic streamers and method

Feedthrough assembly for well-logging tool

Feedthrough assembly for electrically conductive winding

Method for restoring low roughness of outer surface of underwater seismic survey device

Computing rotation data using a gradient of translational data

Computing a gradient based on differences of plural pairs of particle motion sensors

In-situ system calibration

Method for making a coiled tubing assembly

Acquisition device provided with means for detecting a disconnection of a set of at least one analog seismic sensor

Borehole acoustic noise measurement and processing

Basalt fiber composite for antenna in well-logging

Apparatus and method for estimating characteristics of a sensor containing interferometer

Method and apparatus for deep transient resistivity measurement while drilling

LIQUID MIXTURE USED TO TEST AND VALIDATE TEST DEVICES

HYDROGEN RESISTANT DOWNHOLE OPTICAL FIBER SENSING

Testers for acoustic sensors

Determining borehole corrected formation properties

Shieldings for metal detector heads and manufacturing methods thereof

Multi-sensor analysis of complex geologic materials

Ultrasonic Cleaning of Marine Geophysical Equipment

Calibration of MEMS sensor

Method and apparatus to facilitate cleaning marine survey equipment

Electromagnetic position and orientation sensing system

Streamer coating device and method

Precision tilting platform device used for static calibration of seismometers

Method of producing a seismic streamer cable

Method for manufacturing a streamer cable

Calibrating rotation data and translational data

DEVICE AND METHOD FOR PREDICTIVE CALIBRATION

Downhole instrument calibration during formation survey

Streamer cleaning device and method

Signal and power transmission in hydrocarbon wells

Method and apparatus for sensing signals

Method and apparatus for sensing underwater signals

Active cleaning device for seismic streamers and related methods

Methods for estimating missing real-time data for intelligent fields

Apparatus, computer readable media, and computer programs for estimating missing real-time data for intelligent fields

Solid marine seismic cable with an array of hydrophones

System and method for in-sea electrode conditioning

Communication Port For Use On A Wellbore Measuring Instrument

Calibration and consistency check of variable volume systems

Synchronization between devices

Source for marine seismic acquisition and method

Source for marine seismic acquisition and method

Seismic acquisition using solid streamers

Tools and methods for cleaning survey cables

Composite materials and calibration assemblies using the same

Method and apparatus for calibrating deep-reading multi-component induction tools with minimal ground effects

Long-period vibration sensor and method for correcting output value of the long-period vibration sensor

Methods and systems for seismic signal detection

Anti-attachment device and method

Self propelled cleaning device for marine streamers

Oilfield equipment identification method and apparatus

Downhole instrument calibration during formation survey

Methods and systems for seismic signal detection

Acoustic sensor system for detecting electrical conductivity faults in an electrical distribution system

Triaxial induction calibration without prior knowledge of the calibration area's ground conductivity

DETERMINATION OF NOTIONAL SIGNATURES

Methods and apparatus for determining seismic streamer array geometry and seismic sensor response

SEISMIC STREAMER

Apparatus for in-situ cleaning of a seismic streamer cable

Downhole sensor tool for nuclear measurements

Synchronization between devices

System and method for generating density in a cased-hole wellbore

DETERMINING A CHARACTERISTIC OF A SEISMIC SENSING MODULE USING A PROCESSOR IN THE SEISMIC SENSING MODULE

Using seismic sensor transfer functions for high fidelity seismic imaging

Barnacle fouling tool

MEASUREMENT METHOD FOR A COMPONENT OF THE GRAVITY VECTOR

Fabrication process and package design for use in a micro-machined seismometer or other device

Calibrating a multibeam sonar apparatus

Calibration method for a microresistivity logging tool

Oilfield equipment identification method and apparatus

Method and apparatus for measuring a hydrophone parameter

Solid seismic streamer cable and method

Seismic acquisition system

COILED TUBING HAVING A CAPILLARY WINDOW AND METHOD FOR MAKING SAME

Apparatus for correcting the timing function in a nodal seismic data acquisition unit

Apparatus and method for calibrating a tramp metal detector

Split-element optical hydrophone

Methods and systems for seismic signal detection

Electromagnetic position and orientation sensing system

Methods and systems for seismic sensor calibration

Method and system for calibrating streamer electrodes in a marine electromagnetic survey system

Determining borehole corrected formation on properties

Composite materials and calibration assemblies using the same

Endurance testing system and method

Wirelessly activating a unit of a subterranean survey system for testing

Estimating and correcting perturbations on seismic particle motion sensors employing seismic source signals

Oilfield equipment identification method and apparatus

Calibration method and calibration apparatus for a hand-held locating device

Ground conductivity meter with automatic calibration

Methods of correcting accelerometer and magnetometer measurements

Testing a sensor to produce a filter for noise attenuation

Method and apparatus for correcting the timing function in a nodal seismic data acquisition unit

CALIBRATION OF A MAGNETIC SENSOR DEVICE

Calibrating an accelerometer

Ultrasonic generator system

Fabrication process and package design for use in a micro-machined seismometer or other device

Oilfield equipment identification method and apparatus

Method and apparatus for hydrophone array fault detection and exclusion

Method for detecting air gun faults in a marine seismic source array

Self propelled cleaning device for marine seismic streamers

Accurate dynamic gravity measurement method and apparatus

Seismic acquisition system

Motion transducer

GEOPHONE CALIBRATION TECHNIQUE

Method and system for calibrating downhole tools for drift

System and method for calibration of well logging tools

System and method for optimizing seismic sensor response

Methods and systems for calibrating acoustic receivers

Calibration of XX, YY and ZZ induction tool measurements

Test device for metal detector portal structure

Sensor with improved gain-setting capability

Oilfield equipment identification method and apparatus

Calibration of xx, yy and zz induction tool measurements

Low cost detectible pipe and electric fencing manufactured from conductive loaded resin-based materials

Oilfield equipment identification method and apparatus

Method and apparatus for cleaning a mobile immersed structure

Co-located antennas

Geophone calibration technique

Error correction and calibration of a deep reading propagation resistivity tool

Method of seismic source monitoring using modeled source signatures with calibration functions

Device for calibrating a pressure detector

Sensor auto-recalibration

Transducer testing

Method for determining sonde error for an induction or propagation tool with transverse or triaxial arrays

Methods and systems for calibrating acoustic receivers

Determination of geophone coupling

System and method for distortion reduction in an electromagnetic tracker

Digital nulling pulse inductive metal detector

Multiple transmitter and receiver well logging device with error calibration system including calibration injection system

Method and apparatus for internal calibration in induction logging instruments

Real-time calibration method and system of acoustic logging data while drilling for precise navigation of deep oil and gas

Method for automatically identifying active source azimuth of planetary seismometer

System and method for the calibration of a hydrophone line array in a water-filled tank

In-situ calibration for multi-component signals

Bullet detecting targets with integral calibration

System and method for the calibration of a hydrophone line array in a quasi-diffuse ambient sound field

Radiation sensor

Radiation sensor

Process for assembly of multimode hydrophone ceramic stack

Measurement of complex sensitivity of data channels in hydrophone line array at very low frequency

Active response gravity offload and method

System for self-localizing near field data processing