... magnetism and cannot meet the requirements of magnetic model tests. To address this, a high-titanium lunar regolith simulant with certain magnetism called IRSM-1 is developed using volcanic ash and titanomagnetite. The new simulant's properties are evaluated, including composition, particle distribution...

... if limited entry is used to acheive a nearly uniform fluid distribution. Two mechanisms contribute to a non-uniform proppant distribution between perforations. The first is particle settling in the wellbore, which becomes especially important towards the toe of the stage where the flow velocity is lower...

... different hydraulic fracturing conditions. Results show that the threshold transportability concentration of the temporary mixtures for 60mm×14mm, 45mm×14mm, and 30mm×14mm slide sleeve sizes are 3.2% 4-6mm fiber +2.4% 1-2mm particle, 2.4% 4-6mm fiber +2.0% 1-2mm particle, and 2.0% 4-6mm fiber +1.6% 1-2mm...

... sample returned by Chang’e-5 mission. The lunar regolith sample was scanned by an X-ray micro-computed tomography (micro-CT) with a spatial resolution of 2.48 μm. A pixel-wise random forest classifier was employed to segment the volume data into regolith particles considering multiple features including...

... and integrity. Experimental results show that a single LCM size distribution cannot effectively seal millimeter-level fractures, while an optimized combination of bridging and filling particles can achieve successful sealing. It is recommended that the mass ratio of bridging particles to filling particles be 2...

... geology china government upstream oil & gas rock mass united states government reservoir geomechanics rock mechanic tunnel coefficient elastic model geological subdiscipline particle jointed rock mass boundary in-situ stress wave velocity excavation pressure coefficient...

... geomechanics particle pflotran integration geology equation of state reservoir surveillance hot sedimentary aquifer fracman production control producer well workflow geothermal reservoir model temperature profile ARMA 23 0422 Evaluating The Geothermal Potential of Hot Sedimentary Aquifers Using...

... weighing materials of hematite, magnetite, and micromax on the density fluctuation, compressive strength, and rheology test of Saudi Class G cement slurry of 18 ppg. The results of this work indicated that using a weighting material with large particles can cause vertical heterogeneity, the density...

... fluid dynamics and discrete element method (CFD-DEM) for this purpose. Our research also considers key determinants such as particle properties, fracture morphology, and injection parameters to assess their impact on the flow field and micro-proppant distribution. Preliminary findings indicate...

... particles are distributed on the boundaries of different mineral components. Inter-particle heat conduction module captures the heat transfer process, resulting in temperature redistributions and the development of thermal strains. A modified elastoplastic model is used to capture the accumulation...

... geological subdiscipline drilling fluid chemistry drilling fluid management & disposal machine learning clastic rock united states government rock type artificial intelligence reservoir geomechanics fracture barite field stress fip circulation null null null wellbore pressure particle...

... ABSTRACT Oil-based rock cuttings present a significant technical challenge in terms of the economic, environmental, and efficient processing in the engineering field. This paper employs fluid finite element theory, particle discrete element theory, and particle multiphase flow calculation...

... of high flowback rate and low oil production rate. This may be attributed to strong water-rock interactions during hydraulic fracture operation. When water-sensitive minerals in rocks encounter water, clay expansion and particle migration occur, resulting in reduction of rock strength and fracture...

... pressure geology metals & mining retention condition 3 construction asia government airbag pressure characteristic efficiency particle consolidation china government drainage degree engineering drainage pressurization drainage characteristic geomembrane ARMA 23 693 Study...

... ABSTRACT A coupled numerical framework using smoothed particle hydrodynamics (SPH) and finite difference method (FDM) has been developed to evaluate the fracturing phenomenon and fluid flow in a deformable porous medium. The key aspect of the proposed coupled model is the simulation of flow...

.... In the bonded particle model (BPM), the relative stiffness between particle-to-particle contacts and bonds simulates the imperfect cementation of granular minerals within rock, which results in double elasticity. In this paper, a simple mathematical model of a double elastic cantilever rock column is evaluated...

... reservoir geomechanics geological subdiscipline fragmentation united states government simulation rock movement contact model rock fragmentation burden velocity equilibrium pressure machine learning modeling wei fu blast-induced rock movement furtney particle prediction blast movement...

... spherical pores in organic matter and elongated/aligned pores bound by clay tactoids. Particle-scale simulations capture fabric evolution including tactoid alignment facilitated by organic matter deformation to accommodate to the evolving mineral fabric. The resulting tactoid and organic matter alignment...

... fracturing operations, some fractures can be overgrown while others are fully suppressed. Near-wellbore diversion is commonly used to promote uniform growth of each cluster in a stage. In this study, a continuum approach of particle transport was implemented and coupled with a fluid flow solver in FLAC...

... particles are investigated through the particle stiffness, strength, dimension or distribution mode. To improve the performance of AE monitoring, the applicable monitoring parameters in different simulated conditions are determined. For the backfill particles, it can promote the ability of AE monitoring...