... Abstract The Utah FORGE (Frontier Observatory for Research in Geothermal Energy) is a U.S. Department of Energy-sponsored field laboratory for demonstrating and promoting the feasibility of hydraulically fracturing thermally conductive granite (or similar) formations to create an Enhanced...

... Abstract During hydraulic fracturing, temporarily plugging existing fractures and diverting the injected slurry further into newly created fractures is beneficial for maximizing reservoir contact and productivity. Typically, the injected slurry flows into the path of least resistance, which may...

... effects of stress reduction due to pressure depletion and its influence on child well placement remain underexplored and could potentially play an important role in future well planning. In this study, we examined this effect using wells from the Hydraulic Fracture Test Site 1 (HFTS1) in the Midland...

... of the formation, the lack of microseisms in certain layers may or may not be indicative of a change in the hydraulic fracture geometry. In this work, microseismic observations are integrated with strain and other observations to investigate the microseismic response in relation to the underlying hydraulic...

... allowed the key personnel to optimize the completion by identifying the time period of maximum effectiveness to end the treatment at that point, resulting in a savings of material and pump time. Additionally observed fracture-driven interactions from parent well refracs to the child well allowed...

... Abstract This study provides the first direct observations of horizontal bedding plane slippage detected using cross-well low-frequency distributed acoustic sensing (LFDAS) during hydraulic fracturing stimulation in the Sichuan Basin, China. Traditional completion designs assume vertical...

... Abstract Unlike traditional hydraulic fracture design, fractures in geothermal injection wells must intersect production wells. The primary objective of this paper is to design perforation clusters and fractures in geothermal injection and production wells to optimize inter-well connectivity...

.... This data was analyzed to determine the locations of the Fracture Driven Interactions ("frac hits") at the cased (but sealed) production well (16B). The location and design of perforation clusters in the production well were specified based on this analysis. Perforating and fracturing the production well...

... Abstract Distributed Strain Sensing (DSS) is frequently used to capture hydraulic fracture propagation and geometry in unconventional reservoirs and Enhanced Geothermal Systems (EGS). DSS fibers are sensitive to strain variations induced by dilation and shear deformation of hydraulic fractures...

... Abstract This paper presents new stimulation technologies applied in a sequential manner to develop a large network of fractures emanating from the injectors to enhance connectivity/permeability to producers in Enhanced Geothermal System (EGS). The objective of creating a large fracture...

... Abstract Successful integration of hydraulic fracturing and horizontal wells is now very well established within the industry, commencing as a technique in good quality conventional reservoirs and more recently and much more extensively in unconventionals. However, there has actually been very...

... Abstract The combination of hydraulic fracturing and horizontal wells has been very well established. Initially deployed in moderate quality conventional style reservoirs ( Owens et al. , 1992 ), ( Abou-Sayed et al. , 1995 ) and ( Cipolla et al. , 2000 ). Then, more recently, and even more...

... Abstract This study assesses the impact of input data uncertainties on hydraulic fracture simulations, pressure history matching, and prediction accuracy, using the publicly available GTI Hydraulic Fracturing Test Site 2 (HFTS-2) dataset. The goal is to discuss the consequences of uncertainties...

... Abstract Acid fracturing is a common stimulation technique employed in enhancing hydrocarbon production from the chalk formations in the North Sea sector of Norway. The efficacy of this stimulation method relies on several factors, some of which are well defined and understood whereas...

... 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 Good inter-well connectivity and conductivity are crucial to the success of any enhanced geothermal system (EGS). The primary objective of this paper is to gain insights into the connectivity and conductivity of the hydraulic fracture network created in EGS wells. To accomplish...

... this comparison inadequate. A monitor wellbore offset to a multi-well pad stimulation was equipped with disposable fiber and permanent fiber to provide a true comparison of data from both deployment types. Multiple Fracture Driven Interactions (FDI's) from the stimulation were observed on both fibers throughout...

... Recently, multi-stage hydraulic fracturing is being implemented in hot geothermal reservoirs both in enhanced geothermal systems (EGS) and superhot reservoirs such as the Utah FORGE and Newberry, respectively. Hydraulic fracturing in these fields poses distinct challenges to design...

... 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...

... Abstract Well interference test methods in Multi-Fracture Horizontal Wells (MFHWs) focus on the connectivity and conductivity between the "entire" wells. Practically it is challenging to identify the contribution of each fracture from each cluster in a MFHW. However, understanding fracture...