Real-Time Downhole Monitoring Using DAS and DTS: A
In this study, we will investigate different failure patterns occurring on the well completion, as the production tubing or packers. On the first hand, we
Permanent fiber-optic cable
Designed to prestress the cable assembly during fabrication, this process ensures that the fibers remain strain-free throughout deployment and operation, minimizing the risk of optical degradation or breakage.
Research on the Data Interpretation Model of Optical Fiber Profile
Abstract: Fiber optic cables have the advantages of high temperature resistance, high pressure resistance, corrosion resistance, and high accuracy in measuring temperature DTS data. They are
Well Logging: Principles, Applications and Uncertainties
Well logging is a means of recording the physical, acoustic and electrical properties of the rocks penetrated by a well. It is carried out by service companies, which work under contract for the
Application of Distributed Acoustic Sensing in Geophysics
This review examines the most widely used fiber optic cables employed for DAS acquisition, namely Single-Mode Fiber (SMF) and Multi-Mode Fiber (MMF), with the different
Application of fiber optics in oil and gas field development
In this study, we presented a comprehensive review on the application of fiber optics in monitoring well integrity, sand production, flow profiling, fracture orientation and propagation, and
Distributed Fiber Optic Vibration Signal Logging Well Production Fluid
The distributed fiber optic vibration signal data extracted from the fiber optic sensor for injection well A were selected for processing, and the well was logged for the purpose of detecting
Well Logging
Electric logging consists of lowering a device used to measure the electric resistance of the rock layers in the downhole portion of the well. This is achieved by running an electric current through the rock
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.
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.
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
Cable Logging? Optical Fiber Logging?--JASON is ready for you!
Difference between Optic-Fiber logging and traditional cable logging The electrical-based sensors used in cable logging can not work continuously in harsh downhole environments (high temperature, high
Production logging via coiled tubing fiber optic
According to the optical fiber production profile testing technology with continuous tubing as the carrier, the main production layer and the bottom hole liquid condition can be found clearly
Vertical seismic optical profiling on wireline logging cable
A single shot generated equivalent data with an experimental optical wireline logging cable and an adequate optical interrogator at the surface. The main difference between the two records is the
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
Application of Electro-Optical Hybrid Cables in Horizontal Well
Application of Electro-Optical Hybrid Cables in Horizontal Well Production Logging Authors: Daofan Guo, Dong Yang Abstract: For decades, well logging with coiled tubing has relied solely on surface data
Optical fiber logging cable Special cable
Optical fiber logging cable enables the transmission of detailed data over long distances, making it an essential component in oilfield service operations. Overall, the use of optical fiber
Production Logging and its Implementation: A Technical Review
Besides, individual sensors are used in production logging for appraisement of various properties. This paper provides a technical review on production logging and its tools along with the modification for
This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.