... ABSTRACT: A practical method determining five elastic constants of a transversely isotropic rock is proposed by the uniaxial compressive strength test and the Brazilian test using specimens from a single-orientation core. The indirect tensile strength of the Brazilian test can be obtained...

... ABSTRACT: Knowledge of the in-situ stress is very important to the geothermal reservoir development as well as to the planned R&D activities at the Utah FORGE. Whereas the vertical stress ( S v ) and the minimum horizontal principal stress ( S hmm ) can reliably be determined through...

... ABSTRACT: The study presents an analysis of the back-stress effect on precise determination of in-situ stresses in a model samples in laboratory experiments on hydraulic fracturing. Main stage of this study included the determination of the fracture closure pressure using standard methods...

.... The regional tectonic stress regime, depending on the principal stress magnitudes has been deduced in this study. upstream oil & gas magnitude elastic parameter reservoir geomechanics regime determination basin strength pore pressure sediment gradient raghavapuram shale reservoir...

... ABSTRACT: The Extended leak-off test, XLOT, is a main tool for obtaining minimum stress data during drilling operations. If performed according to a proper protocol, it is perhaps the most cost-effective and robust method for determining the minimum stress. The low cost of the test means...

... samples to determine the orthotropic elastic constants and the principal orthotropy directions. 1. THREE-DIMENSIONAL MATHEMATICAL BACKGROUND Interest in anisotropic rock mass properties is demonstrated in the current literature [1]. In this initial study, laboratory measurements were made on samples...

... ABSTRACT: Accurate determination of rock mechanical properties (particularly sedimentary shales, mica and schists with foliation and bedding planes) is critical to the safe design and excavation of underground mines and tunnels. Traditional techniques to calculate rock elastic properties often...

... cement technology suorineni reservoir characterization backfill university acoustic emission calculation determination accuracy effect strategy attenuation ARMA 22 13 Strategy towards accurate location of seismic events sources in mining environments: Effect of voids and backfill...

... and the suitability of impression creep tests as an index test is explored. The most critical issue in creep tests is the determination of stress level. This issue is investigated theoretically and experimentally. It is suggested the short-term impression test can be utilized for determination of the stress level...

... homogeneous zone determination planar stereonet ARMA 22 0198 Determination of Continuous Kinematic Criticality in Structurally Homogeneous Zones A new Approach Rahman, T., Niyogi, A. and Sarkar, K. Department of Applied Geology, Indian Institute of Technology (Indian School of Mines), Dhanbad...

.... Among other things, he was the main inventor of the HTPF (Hydraulic Testing of Pre-existing Fractures) method for full stress tensor determination. At the time of his passing, he was working on his second book with co-authors called Stress and stress elds in geomechanics. In this paper, we revisit...

... limestone correlation model determination property correlation ARMA 21 A-1614 Characterizing Rock Properties and Verifying Failure Parameters Using Data Analytics with Vipulanandan Failure and Correlation Models C. Vipulanandan, Ph.D., P.E. Professor, Director of Center for Innovative Grouting...

... reservoir geomechanics production monitoring well logging wellbore design reservoir surveillance hydraulic fracturing upstream oil & gas test protocol stress testing reconciliation plot mhf test stress test sleeve fracturing hydraulic fracture determination packer wellbore integrity...

... series taylor & francis group reservoir characterization fairhurst ishida françois cornet cornet determination tsuyoshi stress field stress measurement françois university ARMA 21 1939 Plan of publishing François Cornet's book based on the manuscript he left us Ishida, T. OYO...

... ABSTRACT: The determination of stress barriers plays a key role in the design of hydraulic fracturing and well completion strategies. Stress barriers result from the presence of local stress maxima and are often influenced by rock mechanical properties and local tectonic stresses...

... laboratory test Reservoir Characterization log analysis geomechanical characterization tight sandstone Argentina characterization Upstream Oil & Gas heterogeneity mechanical property Neuquen Basin structural geology strength coefficient determination correlation plug unconfined...

... porosity relationship (Lucia, 1995). Input parameters of lucia et al. s correlation were inter-particle porosity and rock fabric number. Where rock fabric number was determined with the help of permeability vs porosity cross plot. This correlation requires prior information of reservoir under observation...

... 1. INTRODUCTION Determination of in-situ stress is important for many engineering applications such as wellbore stability, fracture injection and stimulation, sand production as well as for considering processes of hydrocarbon migration and leakage. The minimum stress can be measured using...

... geomechanics waterflooding enhanced recovery Upstream Oil & Gas Reservoir Characterization drilling operation basin fracture gradient stress Characterization determination Circulation Event wellbore ohxlot interpretation leak-off test in-situ stress measurement program 1. INTRODUCTION...

... Alberta mechanical property constraint pzt wafer arrival time structural geology wavefront shale geophysics Upstream Oil & Gas symmetry axis stiffness pzt element waveform receiver anisotropy determination flat spot perpendicular 1. INTRODUCTION Shale is the most common rock...