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MWD/LWD

FELWD consists of Surface Data Acquisition and Processing System (SDAS) and Directional Telemetry Survey LWD tool (DSTL) for engineering parameter measurement and data transmission, as well as Gamma Ray Laterolog tool LWD tool (GRT), Controllable Neutron Porosity LWD Tool (CNP), Wave Propagation Resistivity LWD Tool (WPR) and Azimuthal Gamma Ray & Induction Resistivity Logging Tool (GIR), etc.

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Features:

(1) Formation evaluation: it provides lithology, saturation, porosity, etc.

(2) Drilling optimization: it offers well deviation, azimuth and tool face etc. satisfying drilling operation requests.

(3) Safe and environment-friendly: controllable source makes neutron porosity logging more safe and environment-friendly.

(4) Efficient and reliable: flexible on-site connection, fast, reliable and convenient operations.

Application:

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1) Surface Data Acquisition & Progressing System (SDAS)

industrial computer

data acquisition panel

transducer

data acquisition & process software

2) Azimuthal Gamma Ray & Induction Resistivity (GIR)

integrate the function of gamma and resistivity tool in one drilling collar

combined with MWD through flexible connectors

drilling engineering parameters, GR and one induction resistivity log

Configuration:

Azimuth Gamma Logging-While-Drilling Tool

Induction Resistivity Logging-While-Drilling Tool

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3) Controllable Neutron Porosity Logging Tool (CNP)

neutron porosity with pulsed neutron generators (controllable and non-chemical source) mounted only on one drilling collar

combined with other LWD tools

safer than the neutron tools with chemical source

Configuration:

Pulsed neutron generator

Neutron detector

Electronic sub

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4) Wave Propagation Resistivity (WPR)

2 frequencies:2MHz\400kHz;

Obtained 8 curves after compensated processsing and resistivity synthesizing

Continuous operating time 140h, to meet the demand of drilling engineering.

Adapting to horizantal wells and directional wells

Better Correlation between Azimuthal Gamma Ray & Induction Resistivity Logging Tool (GIR) and cable logging

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After GIR measuring, datum of Gamma and resistivity image lithology variance.(FxxxH in Yumen oilfield)

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