... drilling fluids and materials drilling fluid formulation halide mathematics of computing reservoir simulation modeling & simulation production monitoring reservoir surveillance geological subdiscipline reservoir geomechanics salt cavity waste management diameter cuttings inlet total...

... subdiscipline neural network model optimization intelligent optimization process diameter neuron decision tree bit parameter united states government neural network artificial intelligence machine learning horizontal section requirement drill bit model bit optimization application use effect...

... time void attenuation wave propagation dry sand assumption wave velocity diameter ae signal travel time arrival time velocity model sensor 2 ARMA 23 345 Seismic source wave propagation analysis using laboratory AE monitoring system Madenova, Y.1,2 1Nazarbayev University, Astana...

... is developed for the geological conditions of the Missan oilfield. The casing damage mechanism under long-term rheological effects is revealed. The effects of different casing sizes, casing thickness, perforation diameter and perforation density on casing collapse strength were carried out. The results show...

... salt block diameter rock salt block extraction block name geological subdiscipline block extraction expansion chemical dimension stone rock salt university undesirable crack salt range mining method ARMA 23 0579 Rock salt block extraction using conventional rock mining methods Emad, M.Z...

... bead cement slurry fault slip diameter ductile cement slurry composite cement slurry column structure ARMA 23 0619 Study on reducing casing shear deformation by using composite cement slurry column structure Xi, Y.1, Yao, Y.1 1Beijing University of Technology, Beijing 100124, China Chen, J.2...

... localization compaction porosity power law exponent pow test apollonian size distribution diameter statistics porous sandstone grain diameter ARMA 23 690 Influence of local grain size distribution on damage development in X-ray CT images of Boise sandstone deformed by confined compression Louis, L...

... ABSTRACT The ultra-deep gypsum-salt rock formation with weak interlayers often has two complicated conditions: blockage and lost circulation, and the window of safe drilling fluid density is narrow. Only by increasing the density of drilling fluid cannot solve the problem of well diameter...

...., the plane of symmetry. In addition, appropriate scaling factors are applied to various model parameters viz. the rock fracture energy, the pipe diameter, pipe friction factor and last but not the least, the viscosity of the fracturing fluid. The proposed approach with the aforementioned constraints...

... science hydraulic fracturing gas well deliquification reservoir characterization artificial lift system fracture pattern international journal numerical study tulsa mpa shock wave banadaki diameter simulation pressure waveform experiment ARMA 23-0936 Numerical study of the influences...

... flow in porous media geological subdiscipline stress-dependent permeability poisson strength size distribution mechanical property young sandstone rock engineering exponential model deformation porosity diameter stress-sensitive permeability ARMA 23-0827 Investigating Grain Size...

... intelligence united states government reservoir characterization wellbore integrity compressive strength geologist peru government lightweight aggregate geopolymer aluminosilicate diameter building material mineral wellbore design sieve pellet metals & mining baykal lwa fa content fly...

...-swirling mixed nozzle (SSMN). Granite and sandstone were selected as the target rock materials. Jet-drilled hole morphology, diameter, depth and volume were performed to evaluate the rock-breaking performances of the nozzles. And, the application scenarios of different AWJ nozzles were illustrated...

... value are non-linear at different stages. The impact frequency and impact power of the tool decrease with the increase of the nozzle diameter, increasing first and then decreasing with the increase of the gap between the pendulum and the outer casing, increasing with the increase of the drain hole area...

... with different hole diameters and lengths representing variations in extraction ratio with mine maturity. Stress-induced fractures were produced using a static cracking agent. The blocks were tested with the voids empty and filled with various cement to sand ratios representing backfill in mining. The data...

... in boreholes with slightly smaller diameter than the diameter of the retainers, the radial force is generated by the compression of the anchor by the drill wall, ensuring its efficiency by friction in this contact interface. In order to increase the maximum load capacity of Split Sets, some mining companies...

.... Variation of initial diameter due to noncentralized perforation gun positioning is shown to cause preferential slurry distribution to larger perforations, faster erosion, and further shift of distribution to the most eroded perforations. Erosion of perforations receiving a major fraction of proppant reduces...

... geologist united states government bit selection injection pressure france government mpa high pressure water jet influencing factor drilling operation reservoir geomechanics geological subdiscipline hpwj diameter standoff distance gerbaud peripheral groove rock surface back pressure...

... to investigate the behavior of these materials. In this study we assessed the swelling behavior of KJ-II Gyeongju bentonite under hydration using X-ray CT technology. A cylindrical sample of 27.5 mm in diameter and 34 mm in height using was utilized in a tailor-made hydration cell, and water was injected...

... within the scope of the Ankara-İzmir High-Speed Railway Project. The main purposes of the study are to compare the performances of NATM and TBM in a large diameter railway tunnel, and to present a successful TBM application. The length of the T1 Tunnel is 3047 m and, the tunnel is the longest tunnel...