..., the wormhole was declared to have achieved "breakthrough" and the experiment was stopped. The acid volume that was required to get a breakthrough was normalized to the pore volume of the experimental core, giving PVBT as the stand-in for fluid efficiency. Viscosity Measurements Viscosity measurements...

.... Results and Discussion section provides detailed discussion of the obtained experimental results obtained during drying-out experiments. Conclusions complete this paper. Laboratory study A laboratory coreflooding study has been performed on three consolidated sandstone cores with different...

...). Mineralogical and petrographical assessments were carried out on the core samples to characterize the Berea sandstone cores. The core flooding experiments were conducted at 60 °C and 1600 psi for CO 2 injection, freshwater, LSW and acetic acid flooding. The experimental results revealed significant reductions...

... of porosity were compared to experimental data obtained from prior studies, confirming their consistency for short-term CO2 exposure, which can be reproduced in experiments. These mechanisms of cement degradation and the alteration of mechanical properties that occur in CO2 injection wells agree well...

... on performing controlled laboratory experiments and develop theoretical models to interpret the data. Generating experimental data in cases where the aqueous phase also contains solids and oil emulsions is, however, associated with significantly more challenges and higher uncertainties than conventional tests...

.../rock system). Both the RRF and dynamic polymer retention for each experiment are detailed in table 1 . Table 2 outlines the experimental conditions corresponding to the data listed in Table 1 , providing a comprehensive overview of the parameters governing the polymer flooding experiments...

... (2019) experimental methods linking injection water contaminants to filter cake formation inform coreflooding and acid treatment experiments in the research. Radwan et al. (2019) proposes a comprehensive workflow for diagnosing formation damage in oil and gas wells, emphasizing the integration...

... Carbonate is added before filling the solution to a volume of 100mL, mixed until dissolved, then filled to 100mL with the basic de-ionized water. Experimental Procedure The experimentation of Calcium Sulfate dissolution by various chelating agents is carried out in 3 experiments. First experiment...

... pressures. The schematic diagram of this experiment is shown in Figure 4 . Constant composition expansion Experiment – PVT cell Many experimental works have confirmed that the maximum asphaltene precipitation is found around the bubble point pressure (Pedersen et al. 2015; Whitson et al. 2000 ; Yen...

...-el-din reaction experiment Introduction Carbonate formationsproduce a major portion of the world’s oil and gas and hold more than half of the world's largest crude oil and natural gas reserves. Acid stimulation has been widely used as stimulation technique for carbonate formations either...

... experiments demonstrated the ability of (PAM/AlAc) to form a strong plug with sealing pressure of up to 700 psi. In general, the Aluminum-Acetate reinforced with nanosilica has great potential applications in curing severe loss circulation in high fractured formations under a wide temperature range...

... been evaluated in part through core-flood performance. The reaction-rate data for these novel fluids was abstracted from a series of core flood experiments with effluent and morphological analyses. The user interface provides easy condition input and selection and provides a clear output of results...

... the performance of the treatment fluid on tight dolomite reservoir cores with absolute permeability in the range of micro Darcy (µD). First, core sample 76 was treated by injection of 7 PVs of the DTPA-K5 12w%. Then in another experiment, this core was used again and treated by 7.5w% HCl at the same experimental...

... and embedment, clay swelling and fines migration, chemical adsorption and particle dispersion et al. Secondly, we evaluated the formation damage via large-scale rock-block experiment (40cm×10cm×3cm cuboid size). Fluids invasion, water imbibition and flow-back process were carried out at the in-situ pressure...

... inhibition experiment paraffin chain polymeric chemistry fraction wat chain distribution carbon chain crude oil polymeric inhibitor hydrocarbon wax deposition deposit hydrate inhibition scale inhibition inhibitor wax deposit model oil system field deposit paraffin inhibitor Introduction...

.... In addition, polymer-gel treatment was applied to the matrix of core plug #5, to investigate the efficiency of polymer-gel treatment of the matrix on hydrocarbon recovery. Before core flooding experiments, the porosities and permeabilities of the core samples were experimentally determined for all core...

... flowback using a microfluidic chip device and correlate these observations to the coreflood test results. Microfluidics-based measurements provide pore-scale visual evidence of the flowback dynamics, not achievable using conventional experimental methods such as the coreflood. fracturing materials...

.... Extensive experimental studies have been performed to understand the effects of acid transport rate and chemical reaction rate on the dissolution process in carbonate rocks. Hoefner and Fogler (1989) presented experiments by acidic water injected into both pure limestone and pure dolomite core samples...

... conditions. The thermal stability of the emulsion system was tested at 105°C. The emulsion stability index of the emulsified gel system was also calculated. To check the effectiveness of the developed emulsified gel system for conformance control, core-flooding experiment was performed at 105 °C. During...

... the test results, under radial and linear flow condition. The experiments under linear flow conditions were performed using the SRT equipment described in previous studies ( Mahmoudi et al. 2016a , 2016b , 2016c , 2017 , 2018b , 2018c ; Roostaei et al. 2018 ; Fattahpour et al. 2018b ). Experimental...