Recent progress in distributed fiber acoustic sensing with Φ-OTDR
Z Wang, B Lu, Q Ye, H Cai - Sensors, 2020 - mdpi.com
Distributed fiber acoustic sensing (DAS) technology can continuously spatially detect
disturbances along the sensing fiber over long distance in real time. It has many unique …
disturbances along the sensing fiber over long distance in real time. It has many unique …
[PDF][PDF] 基于相干瑞利散射的分布式光纤声波传感技术
蔡海文， 叶青， 王照勇， 卢斌 - Laser & Optoelectronics Progress, 2020 - researching.cn
摘要基于相干瑞利散射的分布式光纤声波传感(DAS) 技术可以实时获取光纤沿线各位置的振动
和声场信息, 具有传感范围大, 时空精度高等独特优势, 近年来得到了多个领域研究学者的广泛 …
和声场信息, 具有传感范围大, 时空精度高等独特优势, 近年来得到了多个领域研究学者的广泛 …
Multicomponent distributed acoustic sensing: Concept and theory
I Lim Chen Ning, P Sava - Geophysics, 2018 - library.seg.org
Distributed acoustic sensing (DAS) data are increasingly used in geophysics. Lower in cost
and higher in spatial resolution, DAS data are appealing, especially in boreholes in which …
and higher in spatial resolution, DAS data are appealing, especially in boreholes in which …
[PDF][PDF] Fibre-optic sensing for application in oil and gas wells
PGE Lumens - 2014 - research.tue.nl
Fibre-optic sensing has the potential to revolutionise well and reservoir surveillance in the
oil and gas industry. Benefits come from the passive nature of fibre-optic sensors, the …
oil and gas industry. Benefits come from the passive nature of fibre-optic sensors, the …
Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity
D Taverner, JJ Grunbeck, JR Dunphy… - US Patent …, 2016 - Google Patents
Methods and apparatus for performing Distributed Acoustic Sensing (DAS) using fiber optics
with increased acoustic sensitivity are provided. Acoustic sensing of a wellbore, pipe line, or …
with increased acoustic sensitivity are provided. Acoustic sensing of a wellbore, pipe line, or …
Location of downhole lines
NG Skinner, ML Fripp - US Patent 8,893,785, 2014 - Google Patents
A method of determining an azimuthal orientation of a well tool relative to a line in a well can
include connecting at least one acoustic source to the well tool, the acoustic source having a …
include connecting at least one acoustic source to the well tool, the acoustic source having a …
Evaluation of fiber-optic cables for use in distributed acoustic sensing: Commercially available cables and novel cable designs
JL Follett*, B Wyker, G Hemink, K Hornman… - SEG Technical …, 2014 - library.seg.org
Distributed Acoustic Sensing (DAS) is an emerging technology that has seen significant
improvements recently related to the development of the optical interrogation unit. The fiber …
improvements recently related to the development of the optical interrogation unit. The fiber …
Efficient containment monitoring with distributed acoustic sensing: feasibility studies for the former Peterhead CCS Project
S Grandi, M Dean, O Tucker - Energy Procedia, 2017 - Elsevier
This paper investigates the technical feasibility of monitoring the Goldeneye storage site for
containment with time-lapse Distributed Acoustic Sensing (DAS) VSP and DAS …
containment with time-lapse Distributed Acoustic Sensing (DAS) VSP and DAS …
Acoustically enhanced optical cables
AR Vincelette, CS Baldwin, P Lefebvre, H Li… - US Patent …, 2020 - Google Patents
Methods and apparatus to control the acoustic properties of optical cables used as in-well oil
and gas probes for acoustic monitoring, such as distributed acoustic sensing (DAS). One …
and gas probes for acoustic monitoring, such as distributed acoustic sensing (DAS). One …
System and method for laser downhole extended sensing
SI Batarseh, DPSR Alerigi - US Patent 11,619,097, 2023 - Google Patents
US11619097B2 - System and method for laser downhole extended sensing - Google
Patents US11619097B2 - System and method for laser downhole extended sensing …
Patents US11619097B2 - System and method for laser downhole extended sensing …