Inflow profiling and production optimization in smart wells using ...
By applying the developed procedure, we found that cointerpretation of DAS and DTS data improves the profiling performance in two-phase flow and yields fair accuracy for in-situ three-phase fractions for all ranges of water cuts and gas volume fractions.
Combining DAS and DTS Measurements for Oil-Water Two-Phase …
2023年10月2日 · Distributed temperature and acoustic sensing techniques (DTS and DAS) have been widely used in oil and gas wells of higher rates for flow profiling. However, current interpretation models usually cannot be directly applied to sucker rod pump (SRP) wells.
Well and Reservoir Monitoring - AP Sensing
2024年12月18日 · Unlike conventional production monitoring systems, Distributed Temperature Sensing (DTS) and Distributed Acoustic Sensing (DAS) technology are highly effective for determining differential reservoir depletion, cross-flow between reservoir layers and other near-wellbore effects.
Improved DTS profiling model for horizontal gas wells completed with ...
2020年12月1日 · Gas production rate and frac port location dominate temperature data behavior. The fiber-optic distributed temperatrue sensor (DTS) has been used for flow profiling in horizontal multi-stage fractured wells, and several reservoir/wellbore coupled thermal models were …
Deep Learning Based Production Flow Profiling and Allocation …
2021年12月5日 · Distributed fiber-optic sensing, including distributed acoustic sensing (DAS) and distributed temperature sensing (DTS), has gained interest in a range of applications in oil & gas fields. DTS and DAS use optical time domain reflectometry (OTDR) measurement techniques in which an incident light pulse is coupled into an optical fiber and ...
Improved DTS profiling model for horizontal gas wells completed with ...
2020年12月1日 · This paper presents a DTS flow profiling case for a horizontal multi-stage fractured well in tight gas reservoirs with open-hole packer completion scenarios by applying a newly improved theoretical model.
Real-Time Downhole Monitoring Using DAS and DTS: A New
2023年2月28日 · The combination of DAS and DTS can offer both qualitative and quantitative information regarding fluid dynamics in the context of well integrity investigation, as the flow characteristics (intensity of turbulences). In this study, we will investigate different failure patterns occurring on the well completion, as the production tubing or packers.
DTS is a technique of comprises an array of heating elements that heat water in a monitoring temperature along the length of a wellbore using well . A DTS system measures the temperature of the water
Oil Producer with Gas Lift and Fiber on Perforated Liner DAS was used to monitor gas-lift performance and inflow performance simultaneously in a horizontal oil producer
DTS based hydraulic fracture identification and production profile ...
2021年10月1日 · In order to accurately evaluate the fracturing effect of horizontal wells in shale gas reservoirs, the authors established a temperature prediction model for fractured horizontal wells, built a DTS data inversion model based on the MCMC algorithm, and optimized the production profile interpretation process.