Home / Principle of High-Temperature Well Logging Optical Cable in Tajikistan
To solve the temperature resistance problem of instruments, thermal insulation coatings, vacuum flask, and other methods are commonly used for temperature isolation. This article mainly...
Read MoreWell logs are usually recorded while the logging device is being winched upward through the well. The measurements from the instruments housed in the log-ging tool are recorded digitally at intervals of
Read MoreAbstract: 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
Read MoreThe range of cables for direct buried installation includes all our four basic designs: concentric core, grooved core tape, DryTech and tape in loose tubes.The cables are reinforced with corrugated steel
Read MoreINTRODUCTION performing well- logging operations in high- temp rature geothermal wells. The total period of the contract is twelve months. The concept; summarized schematically in Figure 1, is based
Read MoreAbstract. 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
Read MorePlots of temperature and geothermal gradient versus depth as obtained by the different logging devices in two boreholes. DTS data are in red,
Read MoreAs oil and gas exploration moves to deeper reservoirs with extreme pressures and temperatures, innovative technologies are being developed to evaluate and
Read MoreThis 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
Read MoreHowever, a number of shale gas wells need to be evaluated in the effects of well drilling and completion and fracturing, providing the guidance for the next fracturing design, so the production logging via
Read MoreFirst, in view of the slow transmission rate of the logging cable, an advanced high-speed cable transmission module is adopted. Secondly, the ground system and the downhole instrument were
Read MoreSensor cable: Protect fiber from mechanical and chemical influences. Steel tube, with additional jacketing (plastic, steel). May contain several fibers for different sensing techniques. Cable clamps:
Read MoreA carbon-coated and bellow-packaged optical fiber sensor for high pressure and high temperature monitoring in downhole applications is developed and successfully field-applied in an oil
Read MoreThis 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
Read MoreThis paper mainly introduces the unique structural features and various applications of the electro-optical hybrid cables which were deployed into downhole with the help of coiled tubing technology. Fiber
Read MoreThis article serves to address the evolving challenges in ultra-deep well logging, offering insights into the design, functionality, and practical performance of a high-temperature electric imaging logging
Read MoreThe ability to provide reliable transmission systems in the harsh environments like high temperatures is the key driver for the continued use of fiber-optic communication for in-well applications.
Read MoreDownload Citation | Hybrid Electro-Optical Cable for Coiled Tubing Logging and Interventions | This study presents the evolution of downhole fiber optics to a new hybrid electro
Read MoreFiber optic cables have the advantages of high temperature resistance, high pressure resistance, corrosion resistance, and high accuracy in measuring temperature DTS data. They are widely used
Read MoreWe pioneered accelerated aging tests for optical fibers at high temperatures; the fiber resulting from this research demonstrates an almost 50-fold increase in light transmission, exceptional resistance to
Read MoreConsidering the temperature resistance of the downhole optical fiber, the coiled tubing does not continue to enter the well. In order to ensure the accuracy of the position of the optical fiber into the well, it is
Read MoreThe distributed optical fiber temperature sensing (DTS) system is used to collect the high frequency temperature through the coiled tubing downhole optical fiber.
Read MoreSpecifically, we highlight the diagnostic power of distributed temperature sensing (DTS) and distributed acoustic sensing (DAS) in two real-world field applications. In each case, traditional tools failed to
Read MoreLogging cable and tools must be constructed in such a way that can withstand the highest temperatures and pressures encountered in the well. Interpretation of well-log data may commonly require
Read More+27 10 247 8396
Unit 7, Summit Place, 21 Summit Rd, Midrand, Johannesburg, 1685, South Africa