Principle of Thai Multimode Well Logging Optical Cable

New methods in geophysical exploration and monitoring with DTS and

We show that fiber-optic sensing opens up new possibilities for geophysical measurements with a broad range of applications in well logging and seismic exploration and monitoring.

Study on Multiphase Flow in Horizontal Wells Based on

The research shows that fiber optic DAS monitoring signals can effectively identify differences in gas volume, well inclination, and flow pattern, which provides an important technical

Hybrid Electro-Optical Cable for Coiled Tubing Logging and

This study presents the evolution of downhole fiber optics to a new hybrid electro-optical cable for coiled tubing (CT) applications. The optical fibers enable optical communication and

Walkaway VSP using multimode optical fibers in a hybrid wireline

Distributed acoustic sensing (DAS) is a novel technology that uses an optical fiber cable as a sensor for acoustic signals and can take almost any downhole fiber-optic installation or deployment and turn the

DAS VSP Acquisition Through Coiled Tubing Fiber-Optic Cable

This situation created the possibility of borehole seismic acquisition-while-CT service by adding a single-mode fiber (SMF) in the fiber-optic cable. Called distributed acoustic sensing (DAS) vertical seismic

SPE-199938-MS Fiber Optics Application for Downhole Monitoring

Introduction iability and reduced cost allowed many companies to select fiber-optic based technologies as the downhole instrumentation of choice for several projects. Typically, a carbon rod containing

Reflective optical fiber sensing network for monitoring in well logging

This paper proposes a reflective fiber-optic sensor network for multiparameter state monitoring in oil and gas wells. The network is composed of a ground-based sensing signal

Distributed Acoustic Sensing Acquired Wellbore Seismic Data Using

These cables integrate fiber optic strands with the copper lines found in conventional electric wireline cables. When optical fibers are part of a hybrid optical-electrical logging cable,

Distributed Fiber Optic Vibration Signal Logging Well

Distributed fiber optic vibration signal logging is a technology that uses fiber optics to sense the vibration signals returned from different formations or

Design and Experimental Research of a Fiber-Optic

This system provides a way that allows optical information to transmit in a high-temperature environment. It can be applied to well logging and fiber-optic sensing (e.g., real-time

Fiber-Optic Technology Reduces Production Logging

The new technique uses coiled tubing equipped with optical fibers to acquire real-time measurements from the downhole logging string. The advantages of this conveyance option include

Design and Experimental Research of a Fiber-Optic Communication

Additionally, the number of fibers used in fiber-optic communication in logging will be reduced to only a single fiber for transmitting and receiving.

Research on the processing and interpretation methods of distributed

The processing and interpretation methods for distributed fiber optic vibration signal logging data in CO 2 injection wells are all based on actual application environments, where

Acoustic and Optical Televiewer Borehole Logging

The orientation device embedded in the tool, which is made of 3 inclinometers and 3 magnetometers, allows the inclination and azimuth of the probe to be computed in real-time,

A High Data Rate Fiber Optic Well Logging Cable

This development has led to a new logging cable with superior mechanical properties, containing eight electrical wires and three optical fibers with a data rate of at least 10 Mbitsl second each. This fiber

Fiber-Optic Technology Allows Real-Time Production Logging Well

This paper will identify these critical factors and address proper candidate well selection and job preparation. It will also illustrate a multiwell logging campaign in the Marcellus shale, which

Pioneering Well Logging: The Role of Fiber Optics in Modern

Abstract. Maintaining well integrity is a critical aspect of safe, efficient, and economically viable oil and gas production. Traditional well diagnostic tools such as calipers and single-point

Use of Fiber Optic Acoustics to Improve Drilling Efficiency and Well

A hybrid optical-electrical cable has been developed to enable conveying all logging suites required during the entire well construction.