... and evaluating technologies to enhance the stimulated reservoir volume (SRV) in order to better appraise these highly attractive resources for future development. This research highlights three key technology enablers to progress improved understanding and stimulation of low permeability coals. The first...

... Abstract Hydraulic stimulation design requires careful consideration of fracture height and the potential parent-child well interference. To unravel the key factors influencing the vertical growth of hydraulic fractures and parent-child well interference during hydraulic stimulation, we...

...-resolution geochemical analysis of the produced hydrocarbons was used to assess how different formations in the reservoir were draining throughout time. The diagnostics showed consistent hydraulic geometries between wells and that some fracture stimulations were contained within specific landing zones while...

... was performed for hydraulic stimulation stages 4,5 and 7 to identify the potential DSS strain and strain rate patterns. Additionally, a sensitivity analysis was conducted for Stage 7 considering a base case, laterally varying fracture toughness, introducing perforation erosion, and using high viscosity fluid...

... that the stimulated region across the development is highly connected, propped, and draining with low correlation to design variables tested. The resolution of uncertainty for hydraulic fracture characterization and drainage is directly contributing to business decisions in development. The analysis of cluster...

... interpretation, and petrophysical analysis were used to construct a geomodel and combined with integrated subsurface modeling to determine the optimal well pattern and completion design. Key diagnostics measured were: hydraulic interactions during stimulation using Sealed Wellbore Pressure Monitoring (SWPM...

... observed in the form of horizontal contraction and vertical elongation of casing. Finite element models of hydraulic stimulation run on a 3D geomodel built from seismic and well data were used to better understand some of the mechanisms responsible for the deformation. After investigation...

... Abstract This paper outlines how modern horizontal well completion designs and stimulation techniques are being further optimized with new assessment techniques and leading to even more efficient operations and evenly stimulated stages along longer laterals in the reservoir. Chevron wanted...

... Abstract When designing treatment programs stage spacing and completion volumes must be optimized to ensure maximum stimulated reservoir volume is achieved. Advanced microseismic analysis is a key tool in understanding the reservoir response to differing completion designs. High-resolution...

... quality and TDS content if using produced water, 2) knowing if and when clusters screen out during stimulation, and 3) uniquely separating different contributions to total friction. Downhole pressure gauges and fiber technologies offer one solution, but their expense limits their usage and motivates...

... choice and demonstrate the hidden dangers of poor isolation. This paper presents a series of successive plug-related tests completed in 2022-2023 in the Midland Basin. Initially, varied hydraulic fracturing designs were tested on two wells with permanent fiber optic cables. When stimulating these wells...

... Earth Model (MEM) grid are calibrated to DFIT and drilling mechanics. Fracture mechanics are calibrated to DFIT, chemical oil/water tracers and pressure data from the stimulation operation. The reservoir grid inherits conductivity/geometry from simulation modeling and pressure variation away from...

... after surfactant stimulation, the well produced at oil rates over five times what it had produced prior to stimulation. The current oil rates (through October 2022; 22 months after stimulation) are still twice the pre-stimulation rates. Utilizing a long-term hyperbolic fit to historical data...

... simul-frac stimulation of four offset stacked wells in the Permian. Distributed strain sensing (DSS) and distributed acoustic sensing (DAS) systems were used to produce measurements of cross-well strain and microseismic activity from the fiber. The far-field fracture induced strain-rate and microseismic...

... to contain and deliver hydrocarbons, as well as the ideal zones in the formation to stimulate by hydraulic fracturing that guarantees the initiation, propagation and maintenance of fractures. As main objective, a workflow was developed to create a unique index, called the unconventional rock type index...

... Abstract Hydraulic fracture stimulation is generally designed and analyzed on the assumption that stimulation produces a single planar tension fracture. Microseismic monitoring and breakthroughs to offset wells have long provided evidence of the existence of reactivated natural fractures...

... Abstract This paper demonstrates an integrated approach to measuring and quantifying stimulated rock area, productive frac area, and their impact on optimum completions and well spacing in the Permian Basin. A diagnostic pilot was planned to reduce key uncertainties in pore pressure...

... part of a seismically active zone. It allows one to look inside a stimulated reservoir with a precision to the cluster level. The CFI results demonstrate meaningful alignment to CWS intensity on the horizontal & vertical fiber monitors. Comparative CWS and CFI data shows the normalized positive...

... Abstract Fervo Energy is developing a commercial next-generation geothermal project in northern Nevada, adopting many unconventional technologies, such as horizontal drilling, plug-and-perf stimulation, and reservoir diagnostics with distributed fiber optic sensing (DFOS). We successfully...

... during maturation. In addition, the distribution of swarms of cemented fractures in the Marcellus significantly influences stimulated reservoir volume by near-wellbore effects and create far-field fracture corridors that can affect well productivity. Introduction The Marcellus Shale Energy...