... to ensure safe operation and optimization of well productivity. Therefore, stress path analysis in CSS entails a challenge related to the number of focal points throughout the reservoir in which the stress paths should be studied. The reduction on the number of focal points is an advantageous step to ensure...

... enhances the magnitude of damages [1]. wellbore design reservoir geomechanics environmental science 833 geologist rock engineering reservoir characterization hochvogel upstream oil & gas germany government geological subdiscipline cleft reduction displacement scenario geology...

... france government mineral well logging geological subdiscipline degradation deformation reservoir geomechanics environmental science 833 expansion log analysis differential thermal expansion evolution theory reduction coefficient practice iop publishing iop conf reservoir characterization...

... by different discontinuity sets, was studied by using the Shear Strength Reduction (SSR) method. Different values of joint spacing, cohesion and friction angles were considered, combined with two angles of the slope face under study. The joint spacing has been found to relevantly affect the values...

... Characterization Engineering drag tool effective approach excavator crack propagation loading Upstream Oil & Gas hard rock rock fatigue reduction metals & mining strength University Rock mechanics amplitude static loading Erarslan Rock Mechanics and Rock Engineering: From the Past...

... learning Bayesian Inference displacement compaction land displacement hydrocarbon reservoir reduction reference simulation assimilation Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265-1 Ensemble...

... indicate that water and CO 2 saturation causes significant strength reduction in low-rank coal compared to unsaturated samples while N 2 exhibited a strength gain. 1 INTRODUCTION The process of Enhanced Coal Bed Methane (ECBM) recovery is being implemented and tested as a viable option to store...

... renewable energy temperature dependent mechanical property mechanical property geothermal reservoir Upstream Oil & Gas Rock mechanics temperature dependent mechanical behaviour strength compressive strength reduction elevated temperature Reservoir Characterization granite sample...

... gas NaCl concentration variation brine concentration compressive strength hydraulic fracturing siltstone sample Siltstone brine saturation mechanical property mechanical behaviour reduction shale gas Upstream Oil & Gas concentration dry sample Poisson rathnaweera reservoir rock...

... vertical stress trial site texan code stress measurement fracture Malan du Plessis limit equilibrium model crush pillar slab reduction stress change Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138...

... fluid modeling equation of state Disposal waste management hydraulic fracturing Martin Reservoir Characterization Upstream Oil & Gas reservoir geomechanics fracture aperture indurated claystone proceedings excavation EDZ Switzerland reduction microtunnel Lisjak boundary...

... Abstract Ultrasonic-assisted technologies have enhanced the existing limits of conventional cutting processes of brittle metal-based materials. Superimposing the infeed with an adapted ultrasonic vibration enables the reduction of the machining forces. This, in turn, leads to an diminished...

... project gallery excavation reduction rail transportation overburden shotcrete lining geotechnical engineer safety risk management surface settlement geotechnical safety management displacement evaluation Tunnel Project tunnel settlement ABSTRACT: For infrastructure projects with shallow...

... stress AMELIORATION reduction fracture interval analysis rock mass Unpredictability parameter characterisation Abstract An analysis of the effect of parameter unpredictability on the propagation of hydraulic fractures is presented. Hydraulic fracturing (HF) is becoming an established...

... Upstream Oil & Gas numerical analysis geometry istanbul metro subsidence management plot oke excavation Reservoir Characterization face reinforcement full face excavation reduction tunnel surface settlement overburden fpgua parametric analysis Umbrella overlap installation...

.... The test results indicate that shear strength decreases with increase in t/a ratio for both CNL and CNS conditions, bur reduction in shear strength is more for CNL than CNS condition for a given initial normal stress. 1. Introduction 1.1 General The shear behaviour of rock mass is different than...

... in the microcrack population leads to a reduction in the strength of the laboratory specimen and changes the character of the strength envelope. 1 INTRODUCTION To provide an improved understanding of rock fracture processes it is essential to investigate how fractures ini- tiate and propagate under various stress...

.... The indirect tensile strength of Brisbane tuff was reduced from the static value of 10.8 to 7MPa as a result of Type I cyclic loading. Comparing the results of the sinusoidal, Type I and II cyclic loading tests, the maximum BITS reduction was obtained with the highest amplitude in Type I and smallest amplitude...

... load and damage mechanism in front of the chevron crack. A maximum reduction of the static KIC of 46% was obtained for the highest amplitude increasing cyclic loading test. On the other hand, for sinusoidal cyclic loading, a maximum reduction of the static KIC of 30% was obtained. These reductions...

... the engineering properties of dunites and pyroxenites by increasing weathering grades. On the other hand the increase of fractures and reduction of grain sizes are the main factors influencing the engineering properties of diorites due to weathering. 1 INTRODUCTION Rocks under weathering effects have varying...