... decline rates, it is vital to understand the reservoir and its properties before going through with a full-scale fracture stimulation. Through the application of Diagnostic Fracture Injection Tests (DFIT), one can determine accurate estimates of closure pressure, net pressure, pore pressure, formation...

... reservoir simulation drillstem/well testing fluid modeling production monitoring equation of state pressure transient testing fluid dynamics reservoir characterization formation permeability material balance analysis closure pressure fracture propagation fluid viscosity numerical model...

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... Fracture Injection Tests (DFITs) data from the field to analyze minimum in-situ stress, closure pressure, reservoir pore pressure, key reservoir properties and fracture geometry in the Utica Shale by different DFIT interpolation methods. The analysis results are compared and discussed in detail...

... reservoir permeability norwegian continental shelf nc closure pressure appraisal well stø reservoir large-scale thermal stress coefficient structural geology Introduction Geomechanics has a major impact on almost all sub-surface operations in the oil industry – e.g. wellbore stability, mud...

... risks of potential hydraulic fracturing operations in very deep environments. These techniques employ cost-effective yet technically strong tools for determination of required reservoir parameters and well information, including fracture closure pressure, reservoir pressure, formation transmissibility...

... of a fracturing treatment. More often than not, a formation breakdown pressure is equal to or in close approximation of minimum horizontal or in-situ stress, also termed as closure pressure. Various analytical methods such as G-Function plot, G-dP/dG plot, square-root of time plot etc. are used...

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...Introduction Hydraulic fracture closure has been studied for decades by researchers inside and outside of the petroleum industry. Even after decades of study, opinions vary widely with respect to the fracture closure process, the identification of fracture closure pressure...

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... as a pseudo-radial flow regime The second step is to determine the closure pressure from the G Function plot as seen in Fig. 4 The closure pressure is determined from the intersection of the tangent and vertical lines. The resulting closure pressure is valued at 6,506 psi at a time of 26 hours...

... fracture calibration test closure pressure Artificial Intelligence Upstream Oil & Gas natural fracture main fracture hydraulic fracturing drillstem/well testing transverse storage fracture leakoff behavior g-function plot fracture compliance leakoff coefficient society of petroleum...

... pressure depletion limit StressCage Poisson Drilling Reservoir Characterization Wellbore Design fracture closure pressure minimum horizontal stress well location fracture gradient fracture stress path gradient society of petroleum engineers wellbore The following includes some...

...). This makes well tests even more unattainable. We are proposing here an alternative approach, the use of a fracture injection test (Minifrac) whose pressure falloff interpretation can lead to the traditional Nolte analysis providing the leak-off coefficient and closure pressure. However, because...

... reservoirs. In this work we simulate a typical DFIT using a geomechanics coupled reservoir flow simulator and generate the pre-closure and after-closure pressure response from the flow simulation model. This response is then analyzed using a standard Nolte pre-closure and after-closure analysis technique...

... conductivity. These new models can be used to calculate the proppant embedment, proppant deformation, the change in fracture aperture and fracture conductivity in the ideal or experimental situations of either single-layer or multi-layer patterns in the fractures under closure pressures. The new models showed...

..., G Time (or the G function) has played the dominant role for the determination of closure stress. The current norm uses combination G function and combination square root Δ t plots for closure pressure determination. Each combination plot has three plotting functions associated...

... testing compressibility assumption reservoir characterization flowback interpretation wellbore upstream oil & gas manifold minimum in-situ stress new protocol fracture flowback rate flowback test stiffness closure pressure injection protocol Introduction There are many...