.... Abstract Unconventional reservoirs typically decline rapidly, with wells producing 40-50% less in their second year of production, compared to their first. Therefore, it is critical to take measures to ensure maximizing the first year s production. Hydraulic fractures should propagate perpendicular...

... Abstract A case study in the Uinta Basin integrated multiple diagnostic measurements to understand the interaction between mechanical stratigraphy, fracture geometry and effective drainage for horizontal wells landed within different benches. In the center of a planned development cube...

... Abstract Butterfly modeling is a technique used in Fractional Dimension Rate Transient Analysis (FD-RTA) that reduces a system with multiple fractures to an equivalent system with a single fracture. With this approach, numerical simulations run in seconds, enabling the automatic calibration...

... horizontal well (or multiple wells), which is transferred to the reservoir through conductive fractures and to microchannels induced by hydraulic fractures (or to natural fractures if present). The rock matrix is then exposed to CO2 at the surfaces of fractures. During the injection and soaking period...

... Abstract Wellbore natural fracture systems characterization is a key element to achieve the successful exploitation of tight reservoirs, where one of the dominant aspects is permeability. Carbonate reservoir fracture evaluation is challenging in terms of type, density, aperture, and extension...

... variable BHP conditions with decline-curve models (Rapid RTA) to estimate the NPV and select the optimal cluster spacing and number of fractures for a given well. We compare the results of DCA and Rapid RTA to estimate and optimize the cluster spacing for a tight-oil and shale gas well. There are six steps...

... commensurate economic impact. However, a possible hazard is the creation of fractures that could lead to compromising formation integrity. To optimize injection pressure, operators perform leak-off test using a water-based fluid which has considerably different properties from CO2. Thus, the rock geomechanical...

... by complex, non-uniform fractures, and multi-phase fluid dynamics. These complexities deviate from the diagnostic behavior seen in planar fractures and single-phase flow. To predict well performance under varying pressures and operational conditions, the Hybrid SNR model combines crucial pressure and time...

... medium consisted of two types that are simple trapping mechanism designs (converging-diverging channel and pore doublet) and sample rock-like designs (sandstone and fractured sandstone). The experimental results confirmed that ferrofluid is an effective enhanced oil recovery agent for both the wetting...

... a variation of area perpendicular to flow with distance from fractures by using variable fracture spacing in a well model. Production and pressure data are used to create diagnostic plots that represent the response of a well to constant flow. Model parameters are calculated from these plots and used...

.... Abstract Shale and tight formations are characterized by extraordinarily low permeability (micro- to nano-Darcy) and existence of natural fractures at various scales. Horizontal drilling with multi-stage hydraulic fracturing has enabled commercial oil and gas production from those unconventional resources...

... the stress change induced by the production of offset wells with multi-stage fractures in shale reservoirs. Our approach is based on Fourier transform with the assumption of homogeneous and transversely isotropic reservoirs. The developed model converts a given pressure field to the Fourier domain using...

... Abstract A potential solution to mitigate greenhouse gas emissions during hydrocarbon recovery is to employ cyclic CO 2 injection or ‘huff-n-puff (HnP) in multi-fractured horizontal wells completed in unconventional reservoirs. This serves to simultaneously reduce CO 2 emissions and increase...

... Abstract This study analyzes hydraulic fracturing strategies in the Cane Creek Play of the Pennsylvanian-age Paradox Formation. This is a challenging yet prospective unconventional tight oil play in southeastern Utah. Recognizing the geomechanical complexities of the region, along...

... pressure. The results show that after one cycle of hydrocarbon gas HnP, approximately 57% of the original oil-in-place is recovered. We observe that solution-gas drive and gas vaporization during the depletion stage are the main oil-recovery mechanisms. The presence of fractures along the depositional...

... temperature and pressure, deep shales demonstrate compressive strength up to 478 MPa, with peak strain exceeding 1.5%, indicating hindered fracture initiation and expansion. (d) Compared with siliceous shale, carbonate-bearing siliceous shale and argillaceous siliceous shale are easier to crack under high...

... fluid dynamics organic-rich rock geologist sedimentary rock geology complex reservoir hydraulic fracturing coal seam gas coalbed methane tracer test analysis coal bed methane johnson jr rock type paper leonardi flow in porous media geological subdiscipline fracture permeability...

...URTeC: 4043591 Direct Characterization of Complex Fracture Network Using Improved RateTransient Analysis Method in Tight Oil Reservoir Exhibiting Multiphase Flow Jianquan Tian, Bin Yuan*1, Jinchang Li1, Wei Zhang1, 1. China university of petroleum (East China). Copyright 2024, Unconventional...

... sequential steps to finally have an estimate of cluster efficiency for each hydraulic fracturing stage. First, raw stimulation data acquired from field operations is filtered out to capture a representative zone of interest. Second, key input parameters such as the instantaneous shut-in pressure (ISIP...

.... The information herein does not necessarily reflect any position of URTeC. Any reproduction, distribution, or storage of any part of this paper by anyone other than the author without the written consent of URTeC is prohibited. Abstract Six fracturing stages have been planned in Utah FORGE with the objective...