...ARMA 21 1221 Acidizing Model to Couple the Closure Stress and Acid-rock Reactive Transport in Naturally Fractured Carbonate Reservoir Bo Gou, Nan Qin, Chuan Wang, Jichuan Ren, Jianchun Guo Southwest Petroleum University, Chengdu, Sichuan, China Mingyong Zeng Sinopec Southwest Oil & Gas Company...

...ARMA 21 1303 Experimental Investigation on Stress Sensitivity Behavior for Tight Naturally Fractured Sandstone Reservoirs Wang, Y.C. The Unconventional Natural Gas Institute, China University of Petroleum at Beijing, Beijing, China State Key Laboratory of Petroleum Resource and Prospecting, China...

... are calculated for rock masses surrounding inclined wells with varied trajectories. Taking the relative amount of fractures becoming hydraulically conductive due to stress concentration as a qualitative measure of the efficiency of drilling naturally fractured rocks, the best well trajectory is estimated...

... fracture fluid dynamics stress reversal stress field location 2 infill natural fracture uniform uniform stress change hmin ARMA 21 1340 Impact of Stochastic Hydraulic Fracture Properties on Stress Reorientation in Shale Gas Reservoirs Jia He, Yanli Pei, Kamy Sepehrnoori Hildebrand Department...

... direction after the primary hydraulic fracture crosses a pre-existing natural fracture provides a tensile body force for hydraulic fracture branching. The proposed model enables us to identify and optimize the key parameters that govern hydraulic fracture branching in a three-dimensional space. 1...

... ABSTRACT: Application of diagnostic fracture injection tests (DFIT) are used in unconventional reservoirs to determine reservoir characteristics for future fracture design and production. The presence of natural fractures can heavily influence the pre- and post-shut-in pressure data obtained...

... ABSTRACT: Accurate and efficient simulation of multi-phase flow in naturally fractured reservoirs with complex natural fractures is very important for economic development. There are several key methods to perform reservoir simulation with natural fractures such as dual porosity dual...

... fracture geometry complex reservoir natural fracture injection time base case unconventional reservoir ABSTRACT: Multi-stage hydraulic fracturing has been a key technology for the economical development of unconventional reservoirs. However, recent advance diagnostic observations indicate...

... artificial intelligence fracture characterization machine learning hydraulic fracturing shale gas upstream oil & gas natural fracture non-intrusive edfm method fracture sepehrnoori scenario resource technology conference complex fracture inter well natural fracture reservoir...

... discrete fracture model) method was applied to efficiently model hydraulic and natural fractures in shale reservoirs. The different combinations of uncertain reservoir and fracture parameters were effectively captured through performing assisted history matching. We present an example of well spacing...

... ABSTRACT: The reactivation degree of natural fractures is controlled by hydraulic fracturing, so as to improve the effect of hydraulic fracturing. In this paper, a large-size true three-axis simulation experiment is used to study the mechanism and factors of cyclic variable loading fracturing...

... reservoir characterization shale gas upstream oil & gas shale gas reservoir hydraulic fracturing natural fracture cumulative gas production complex reservoir aggressive strategy sepehrnoori hydraulic fracture fracture characterization spe reservoir evaluation fracture...

... results for EDFM and LGR methods. Through the comparison of simulation results, the results of EDFM were validated. Furthermore, we included natural fractures into the model to investigate their influence on well production of single well and multiple wells. Finally, we provided the summarizations...

... fracture model with reservoir model in shale reservoirs with complex natural fractures. In this study, an efficient EDFM (embedded discrete fracture model) method was applied and tested. First, the fracture complexities were simulated using a complex fracture propagation model with the effect of natural...

... ABSTRACT: A three-dimensional, fully coupled, poroelastic finite element fracture mechanics code is implemented to model the interaction between hydraulic and natural fractures at the onset of growth. Interaction is quantified by evaluating the stress intensity factors around the tips...

... ABSTRACT: Hydraulic fractures (HFs) are expected to communicate multiple natural fractures (NFs) to form a complex fracture network in multi-stage fracturing in a horizontal well. Thus, the interaction mechanism between multiple HFs and NFs should be revealed. In this study, a three-stage...

... roughness analysis direction reservoir characterization fracture characterization joint surface apparent dip reservoir geomechanics upstream oil & gas natural fracture roughness parameter normal stress lidar scan shear strength shear direction rock joint roughness digitization basic...

..., mechanical, hydrological, and chemical processes control the behavior of enhanced geothermal systems (EGS). These processes occur over a wide range of length and time scales. EGS reservoirs are typically located in crystalline rock masses with low natural permeability and preexisting natural fractures...

... natural fractures caused by injected fluid is treated as the main reason for casing deformation problems. Generalized shear activation criterion is used to analyze the reactivation of natural fracture. According to the calculated results, the slippage of natural fracture ranges from 0mm to 60mm. A higher...

... ABSTRACT: A powerful method to explore the degrees of connectivity of the complex spatial distributions of natural fractures on the well performance is important to evaluate the potential productivity of the shale reservoir and thus economic performance. In this study, we present a robust EDFM...