... of alkali on polymer solution viscosity development, adsorption and injectivity as well as long-term stability of polymers in alkali solutions was investigated by Födisch et al. 2022 , indicating an additional economic benefit of AP flooding over polymer flooding. Several chemical EOR projects have been...

... Fresh water from Ping formation was utilized to in polymer preparation process. Utilizing low salinity, low solids content, and stable composition yields both cost and operational advantages. This included less polymer consumption, simple viscosity control, fewer injectivity issues, and decreased...

... or water phase, Q i is phase flowrate, k ri is phase relative permeability, k is absolute permeability, μ i is phase viscosity, Δ x is length of the core, and Δ P w is the pressure difference across the core. For absolute permeability measurement we used water as a flowing test phase...

... experiment fracture retention viscosity enhanced recovery saturation polymer flooding shear ipv Introduction and Background Polymer flooding is a well-established EOR technique that improves sweep efficiency through different mechanisms ( Sheng et al. 2015 ). It addresses the effect...

... breakthrough. After a technical evaluation, the AICD-Valve technology was chosen, and the first installation was planned for mid-2021. Due to its ability to autonomously restrict water flow based on the fluid properties (viscosity and density), simulation results showed short- and long-term benefits in terms...

... reservoir drillstem testing boundary compressibility pai 0 viscosity equation influx estimation reserves evaluation reservoir simulation influx kumar water influx estimation aquifer reservoir withdrawal ramey pai 1 hurst Introduction A large number of reservoirs are surrounded...

... in Figure-3 as captured from Transmission Electron Microscope (TEM). The size of particles is observed around 20 nm. A dead light crude oil from a Malaysian field was utilized in this study. The temperature of reservoir is 65 °C. Based on fluid rheology measurement, the API and viscosity are 29 and 3.6 cP...

... fraction. This paper focuses on the liquid viscosity effect on downward gas-liquid flow. Flow patterns, pressure drop, and liquid holdup are measured for downward vertical and near-vertical flow. The acquired data are compared with available mechanistic models, and the discrepancies are discussed. The 2...

... carbonate reservoir drilling fluids and materials waterflooding upstream oil & gas flow in porous media chemical flooding methods adsorption bitumen enhanced recovery oil sand viscosity polymer concentration retention polymer adsorption polymer flooding salinity journal...

... by up to 1.9 ppg from the original base weight. The base fluid for the LMS may be freshwater, produced water, or brine. The fluids possess a low shear rate viscosity that allows good hole cleaning without risking formation invasion. The system may be used with nitrogen if needed for extreme cases...

... analogues for subsurface application. For more detailed information on the geology of the quarry, refer to Zelazny et al. 2018 . Rock Characterization and Sample Preparation Abstract To assist in understanding the role of rock fabric, stress state, and fracturing fluid viscosity on fracture...

... It is noted that many of the heavy oils represented in the dataset have asphaltic components that can precipitate when mixed with light paraffinic solvents. The amount of precipitation experienced by a solution can strongly affect viscosity. No attempt was made in this work to directly model...

... and effective mobility ratios. In the past applications of solvents, the intent was to reduce oil viscosity, and additionally to break emulsions, remove asphaltene, and remove insoluble solids ( Gates and Caraway 1971 ). In the present applications of solvents – liquids as well as gases – in the oilsands...

..., e.g., polymer charge. On the one hand, the interaction of the acrylic acid with the divalent cations in the water lead to a collapse of the polymer chain and subsequently a decrease in polymer solution viscosity. In these conditions, the long-term performance of polymers is improved by addition...

... After fitting the resonance curves to the above model, the fitting parameters corresponding to the peak width (Δ ω ) and center frequency (ω_0) fitting parameters were used to obtain viscosity and density using the equations [ 10 ]: Δ f = 1 2 C S m v a c...

... Bentayan Structure in PERTAMINA is a heavy oil structure, which is geographically located in South Sumatera and geologically part of the South Sumatera Basin. It has a drive mechanism of strong water drive with average reservoir pressure of 1,400 to 1,500 psi, 17-22° API and viscosity of 10-222...

... reservoir miscible flooding machine learning experiment pag flooding viscosity Introduction Carbon dioxide enhanced oil recovery (CO 2 -EOR) is the second most applied EOR method after steam flooding ( Li et al. 2014 , Jamal et al. 2016 , Abdullah 2019 ). It has been widely used to recover...

... ehsa servo electro-hydraulic servo actuation positioning hydraulic fracturing artificial lift system hydraulically application close viscosity intervention Introduction Well Completions is challenged by the demand of managing the increased multiple zones trend, the need for a reduced...

... equipment production monitoring completion monitoring systems/intelligent wells production control production logging enhanced recovery equinor petroleum engineer intensity requirement implementation viscosity inflow control device application emission equation workflow co 2 autonomous...

... knowledge quantifying petroleum engineer co 2 concentration society viscosity Introduction Bottomhole fluid evaluation is one of the current tools used to get a higher awareness level of the downhole environment, and in combination with other sources of well and reservoir data, allow...