... The use of fiber optic techniques such as low-frequency distributed acoustic sensing (LF-DAS) and frequency-shift Rayleigh (FSR) in a well drilled parallel to a well undergoing hydraulic fracturing treatment continues to provide very useful information for the analysis and understanding...

...-shaped signature due to poroelasticity and other fracture deformation modes. Using a fully-coupled poroelastic 3D hydraulic fracture simulator, three scenarios are analyzed where the heart-shaped strain signature is absent. In the first scenario, when the fracture undergoes shear deformation, the fiber...

... Abstract Cross-well low-frequency distributed acoustic sensing (LF-DAS) is a valuable tool for monitoring strain changes induced by fracture propagation, identifying fracture hits, and providing insights into fracture geometries. Single-use fiber, a cost-effective option for cross- well...

... Abstract This study aims to improve the understanding of disposable fiber, a low-cost and increasingly popular option in cross-well monitoring. The research addresses industry concerns about the potential trade-offs associated with using disposable fiber, particularly focusing on fiber slippage...

... Abstract Understanding fracture morphology is crucial for oil and gas companies, as it influences well placement, trajectory, completions, stimulated reservoir volume, and overall well economics. This study leverages Distributed Fiber Optic Sensing (DFOS) to provide insights into fracture...

... in the far-field using measured values of strain. To understand subsurface conditions with multiple propagating fractures, a laboratory-scale hydraulic fracture experiment was performed to simulate the LF-DAS response to fracture propagation with embedded distributed optical fiber strain sensors under...

... the fiber, which they record. Problems have arisen as different analysts may interpret these fractures variably, sometimes missing critical information. Attempts to standardize this process to some degree or another are valuable but limited ( Ugueto et al. 2023 ). For this application, the team must quickly...

... for estimating the conductive fracture and pressure profile at the far field through RFS-DSS measurement. The fiber deployed along a horizontal well cannot provide direct information on effective fracture height. Recently, RFS-DSS strain monitoring in the vertical monitoring well (VMW) was reported...

... (4) ε f ( z , t ) = u z ( z + L / 2 , t ) − u z ( z − L / 2 , t ) L     where ε f (z,t) is rock strain in the axial direction of the fiber at the z -axis and injection time t, L is gauge length. In this study, L = 3 meters...

... Abstract High-resolution acoustic imaging technology has been developed and deployed to map the downhole location and orientation of fiber optic lines in unconventional oil and gas and carbon capture wells. Fiber optic installations are long term monitoring solutions providing continuous...

... a passive instrumented monitor well was used to differentiate conductive fracture length and fracture density generated by three different completion designs in the Midland basin. The monitor well was drilled slanting laterally away from a nearby producer and instrumented with fiber optics and a pressure...

... pressure transient testing reservoir geomechanics dfit injector relaxation cement hydraulic fracturing geological subdiscipline longitudinal fracture paper fiber tortuosity signature perforation recharge pipe Introduction This paper discusses observations from unique diagnostic...

... of the overlapping fracture network created by neighboring infill wells. These findings were corroborated by fiber optic data acquired during frac (cross-well strain) and post-flowback production monitoring and interference testing. We also observed Formations within damage zones altered from faults can affect...

... Abstract Low-frequency distributed acoustic sensing (LF-DAS) exploits the optical phase shift of Rayleigh backscatter in fiber optic cables to obtain distributed measurements of changes in strain and temperature. Fiber optic cables are often installed for multistage hydraulic fracture...

... the refrac, and show no gauge drawdown or negative strain change during the interfernce test. It is worth noting, without doing the above outlined correction on the fiber data, gauges showing large drawdown would be situated at depths with no negative strain change during the interference testing, farther...

..., 2011 ), fiber optics ( Jin & Roy, 2017 ), pressure ( Haustveit et al., 2020 ), and temperature ( Li & Zhu, 2018 ). These techniques have helped us to understand hydraulic fracture propagation, but only to certain extent due to their pros and cons. In a cartesian coordinate system...

... Ford refracturing project where a range of completion designs were trialed while monitoring offset SWPM and fiber optic strain. The resulting VFRs of the SWPM project were compared to the fiber data and then used to calibrate the fracture model. Fracture model calibration was first performed assuming...

... characterization fiber fracture production monitoring fdc stimulation geometry interception information hydraulic fracture interpretation stage domain corridor frac domain corridor interaction catalogue fracture geometry propagation Introduction In recent years Fiber Optic (FO) strain...

... Abstract Among the many data sets provided by fiber optic deployments in offset wells, low frequency DAS measurements provide detailed information on the wellbore axial strain during nearby hydraulic fracture treatments. Analysis of strain during a treatment typically consists of magnitude...

...Volume to First Response, & Fracture Length Volume to first response (VFR) is one of the common measurements between SWPM and fiber as described in Fig. 3 . As well as giving potential insights into fluid distribution, the VFR is a measurement of the frac length growth as it relates...