... numerical simulation simulation sandstone reservoir characterization experiment university mpa international journal journal co 2 wetenhall engineering newcastle university illustration evolution secant poisson equation ARMA 22 2184 Numerical simulation of triaxial experimental results...

... asp-cutter amplitude proportion pdc cutter conglomerate characteristic china bit selection cuttings efficiency experimental study upstream oil & gas cutter experiment gravel conglomerate-breaking characteristic ridged pdc cutter footage axe-shaped pdc cutter chen zhenliang...

... geomechanics wellbore design experiment reservoir characterization split hopkinson pressure bar sensor bar drop impact system kim shear strength specimen mpa brake sensor shpb shear characteristic incident wavelength direct shear behavior ARMA 22 2318 Laboratory Test on Direct Shear Behavior...

.... This contribution presents the results of one of the stimulation experiments that was conducted in November 2020. We report on the hydraulic stimulation protocol and the monitoring of the stimulation using fiber optic temperature measurements in a neighbouring monitoring borehole. 2. EXPERIMENTAL TESTBED 2.1...

... ABSTRACT: Stimulation of lab-scale boreholes was studied using small explosives for improving the development of fracture networks in engineered rock surrogates. The experimental series examines the confluence of initial stress states, orientation of induced discontinuities...

... ABSTRACT: 4D subsurface visualization using a web platform can provide improved communication, education and outreach to non-experts and stakeholders. It allows for the improved understanding of complex relationships and interactions that occur in inaccessible locations where many experimental...

... is high, which can better inhibit the secondary precipitation. Finally, the experiment is carried out on the site, It has a good effect of increasing and stabilizing production. 2. EXPERIMENTAL CONDITIONS AND REAGENTS 2.1. Experimental conditions and devices The experiment is mainly carried out...

... with the results of other experiments. 2. MATERIALS AND METHODS 2.1. Materials Experimental materials: amphiphilic silica, amphiphilic graphene oxide, amphiphilic molybdenum disulphide (purchased from Merck); 3 cores (from the Changqing oilfield, China); The oil used in this experiment is a simulated oil prepared...

... behaviors. Implications of observed frictionpermeability response to the recovery of hydrocarbons from unconventional shale reservoirs are discussed. 2. EXPERIMENTAL METHODS We conduct laboratory experiments reproducing shear reactivation of proppant-filled soft-interpenetrated (Marcellus shale) and hard...

... of experiments were executed and have been summarized in the subsequent sections. 2. Experimental Methodology 2.1 Experimental Setup The experimental setup was designed to deliver an impact with a target of 100 Joules to a field scale insert resting on a piece of granite. The rig consists of a rail guide...

.... Finally, the plugging effect of the gel system was tested by plugging pressure test. 2. EXPERIMENTAL 2.1. Experimental drugs and instruments Materials used in the experiment: Water-soluble polyacrylamide (degree of hydrolysis=30%~40%, molecular weight=2.5×106) purchased from Aisen (China) Flocculant Co...

... in the vessel, which can be used to visualize density changes due to water saturation, clay swelling or structural deformation during the experiments as can be seen in Fig. 2. A GE Lightspeed 16 medical CT scanner was used to scan the experimental vessels periodically throughout the experiment. It should...

... at the reservoir conditions. 2. EXPERIMENTAL SECTION 2.1. Materials There are two fracturing fluid systems used in this experiment, the first one is guar gum (GJ). The specific formula is 0.20 %~1.00 % hydroxypropyl guanidine gum + 0.20 % drainage aid+0.50 % clay anti-swelling agent + 0.10 % regulator...

... ABSTRACT: Hydraulic fracturing is the key technique in the development of unconventional resources. Many optical experimental studies have been made to qualitatively study the hydraulic fracturing process. However, due to the time of fracture propagation being extremely short (ms), real-time...

..., a Hele-Shaw cell and a digital camera. Fig. 2 (a) Schematic of experimental apparatus. (b) Picture of experimental apparatus. The syringe pump injects fluid into the Hele-Shaw cell at a constant rate through an accumulator. In the 2 experiments, the injection rates are 2 ml/min, 10 ml/min and 50 ml/min...

... hydraulic fatigue tests, with particular focus on influence of microstructures, i.e., minerals and preexisting fractures. 2. EXPERIMENTAL SETUP The rock employed in the experiments is Gonghe granite taken from the outcrop in the Gonghe area of China, where EGS field demonstration projects are under...

... of experimental sets is 126 (3×3×2×7). The established model is shown in Fig. 2. Fig. 1. Field soil-rock mixture 2. EXPERIMENT PARAMETERS This study relies on a part of the slope field of the ShuiMa Expressway (Shuifu-Maliuwan) in Yunnan with a large amount of rock piles. After the field investigation, the rock...

... and is even more problematic. For these reasons, a novel experimental approach was made to use the physical models to mimic the underground mine environment in a controlled environment. 2. METHODOLOGY Laboratory experiments with homogeneous rock samples (e.g. sandstone or granite) and synthetic blocks made...

..., true triaxial confining pressure system, supercharging system, data acquisition system and drilling fluid storage tank system. The true triaxial pressure-bearing plugging physical experimental principle is the same as other plugging experiments[23]. This experiment was carried out using real outcrops...

... experimental structure 3.2. Experimental procedure The soil parameters in the experiment is the same at any depth and not the key factor. This paper mainly focuses on the displacement responses of conductors with different structures under external lateral tension and vertical pressure. When different...