... to simulate an unconfined compressive strength (UCS) test to assess the influence of the mineralogical characteristics on the UCS. 1. INTRODUCTION The type of catastrophic failure in coal mines known as dynamic failure—also colloquially referred to as bumps, bounces, bursts, and others—is one of the most...

... ABSTRACT: Western Yunnan is located in the southeast Himalayas, with well-developed faults and abundant high-temperature geothermal resources. In the western Yunnan geothermal fields, the hydrochemical and isotopic characteristics of geothermal fluids are studied and analyzed, elucidating...

... geological subdiscipline fuzzy logic accuracy algorithm rostami university dataset tqi tbm machine learning rqd characteristic supervised learning algorithm geology specification revolution matrix application reservoir geomechanics prediction tunnel penetration engineering...

... an effective approach to obtain the continuous high-resolution UCS profile of the rocks. Meanwhile, the combination of the scratch test and the Weibull's theory, can further contribute innovative ideas and methods to clarify the geomechanical characteristics of the reservoirs. 1. INTRODUCTION As a natural...

... exhibit extremely low water saturation characteristics (Bennion et al., 2000; Bennion & Thomas, 2005). Moreover, shale composition and pore systems are highly complex, consisting of micro-nano pores in organic matter and inorganic pores in clay minerals and brittle minerals (Han et al., 2020; Xie et...

... the influence law of different well types on the temperature distribution of coal seam, and conducts sensitivity analysis on heating power, well spacing and well pattern layout according to the characteristics of well pattern. The results show that triangular well pattern heating has higher heating efficiency...

... and rock mechanical strength, and elucidated the control mechanism of wellbore stability of composite salt rock; experiments were carried out on the dissolution rate and creep characteristics of salt rock, and a model for characterizing the density and chlorine content of drilling fluids for maintaining...

... first conducted geophysical and engineering characteristics analysis on the drilled wells that encountered the intrusions in the field, then carried out the physical and mechanical experiment with the intrusions and performed numerical simulation of the intrusions, to clarify the wellbore instability...

... ABSTRACT: The Tarim Basin is a Precambrian superimposed composite basin. The main source rocks are characterized by ultra-deep and ancient characteristics. In 2023, based on the dual goals of oil and gas discovery and scientific exploration, Tarim Oilfield proposed the deepest exploration...

... and anisotropic characteristics of rock materials through non-destructive experimental analysis of a single core. This analysis focuses on three physical properties: diametrical change, P-wave velocity, and compressive elastic modulus. The specimens were shaped into disks, with a diameter of 50 mm and thickness...

... be modeled in the form of discrete fracture networks (DFNs) that capture the spatial characteristics of the observed network. In DFNs, fractures are simplified as discrete objects, commonly as disks, which replicate the geometric properties of fractures. The geometric properties of these fracture disks...

... ABSTRACT: Clarifying the mechanism of wellbore stability in broken formations is crucial due to the discontinuous deformation and stress characteristics of such rocks. Conventional continuum-based rock mechanics methods need to be improved for these formations. The discrete element method (DEM...

... ABSTRACT: Carbonate rocks are an important oil and gas reservoir rock. Conical PDC (Polycrystalline Diamond Compact) cutter, as a special shaped PDC cutter, can significantly improve the rate of penetration (ROP) in hard formations. However, the breakage characteristics and failure mode...

... mpa nucleation characteristic watanabe ARMA 24 0872 Effect of shear thickening fluid on the hydraulic fracturing behavior Mukuhira, Y., Watanabe, N., Sueyoshi, K., Takuma, K., Zhang, R., Tomai, T., Arai, Y., Uno, M., and Ito, T. Tohoku University, Sendai, Miyagi, Japan Goto, R. Taisei Corp...

... countermeasures cannot be proposed, which brings great challenges to efficient drilling. In this paper, starting from the lithology, physical and chemical properties, microstructure and rock mechanics characteristics of ultra-deep fracture formation in southwest depression, the mechanism of wellbore instability...

... ABSTRACT: The paper presents fracturing experiments on Hot Dry Rock using water and SC-CO 2 (supercritical CO 2 ) to obtain the characteristics of fracture morphologies under actual temperature and pressure conditions. These experiments utilized an in-house developed, real-time, high...

... mathematics of computing subsurface storage sc-co 2 reservoir geomechanics nozzle evolution zhang supercritical carbon dioxide modeling & simulation production control characteristic shock fracturing flow field recirculation reservoir surveillance reservoir characterization wang production...

... ABSTRACT: Based on the automatic mineral analysis technology of drill cuttings, the evaluation of rock mechanical parameters of drill cuttings in complex ultra-deep wells is carried out, a rock physical model considering formation composition and structural characteristics is established...

... ABSTRACT: The mechanical properties of reservoir rocks are of great significance to the study of rock mechanics, hydraulic fracturing design and reservoir stimulation. The failure mechanism and characteristics of rock under the condition of high temperature hydration have been one...

... geomechanics drilling equipment optimization tomomewo prediction application symposium geological subdiscipline modeling characteristic engineering enhanced drilling performance rock type bit selection dataset assessment khalifa ARMA 24 916 Machine Learning-Based Drill Bit Wear Prediction...