... waterflooding. The field contains light oil (40° API) in highly stratified sand-shale sequences with low net-to-gross ratios. Despite the challenging conditions for polymer injection including high reservoir temperature, low permeability, and high water cut, the large-scale polymer injection pilot has...

... Abstract Polymer injection has been widely established for mobility and conformance control during enhance oil recovery (EOR). However, its role in resolving the water-channeling problem in carbonate reservoirs becomes challenging due to the existence of heterogeneous and complex fracture...

... the efficiency of individual periods of polymer injection – information that is obscured in traditional cumulative utilization factors ( Sieberer et al. 2017 ). This work seeks to evaluate the economic success of the first ever polymer flood field pilot to enhance the recovery of heavy oils on ANS. First...

... field (India) is one of the largest polymer flooding fields in the world with hundreds of wells and waxy crude oil. Field-scale optimization of polymer injection is challenging due to the geologic heterogeneity and operational constraints. This paper demonstrates an application of streamline-based...

... petroleum science fluid dynamics complex reservoir drilling fluid management & disposal concentration polymer injection seawater engineering effect brine recipe Introduction Abstract Application of polymer flooding in carbonate reservoirs still faces significant challenges, including...

... viscosity fp3230 polymer flood an132 enhanced recovery polymer injection experiment petroleum engineer seright flow in porous media polymer polymer transport polymer solution permeability Introduction Polymer flooding is the commonly applied chemical enhanced oil recovery (cEOR...

... compressibility (1/psi) 30E-6 High transmissibility strips Abstract The first-ever polymer flood pilot to enhance heavy oil recovery on Alaska North Slope (ANS) is ongoing. After more than 2.5 years of polymer injection, significant benefit has been observed from the decrease in water cut from 65...

... Point Field to conduct a polymer flood pilot which was designed to acquire field performance data to optimize polymer flood design in the Schrader Bluff heavy oil reservoirs on ANS. Hydrolyzed polyacrylamide (HPAM) polymer injection started on August 28, 2018 using a custom made polymer mixing...

... characterization during the upscale process. This paper addresses the challenges of chemical flooding upscaling, particularly polymer by using a real-life polymer injection case where digital rock, corefloods and more importantly pilot results are available to test and validate our observations. Using a polymer...

... Abstract Several field cases reported that polymer injection in a horizontal well is a viable solution to increase oil recovery. The injectivity, however, may vary significantly depending on fluid, reservoir, and geomechanical conditions. Polymer injection without understanding these factors...

... resistance factors with associative polymer injection in porous media (compared to estimations from viscosity measurements) in contrast to traditional non-associative polymers ( Maia et al., 2009 ; Seright et al., 2011 ; Dupuis et al., 2011 ). The spatial restrictions during flow in porous media enforce...

... fluid. The main objective of this work is to assess the friction factor coupled with the pressure drop evaluation, to define its impact in the polymer injection through porous media. The evaluation will allow the determination of the drag enhancement and drag reduction zones of the polymer solutions...

... methods breakthrough waterflooding mechanism Material Balance injection polymer flooding Injection Rate reservoir heavy oil recovery society of petroleum engineers recovery surfactant breakthrough recovery polymer injection displacement recovery profile viscosity ratio Oil Recovery...

... to improve the sweep efficiency. The response to polymer injection has been positive even though some wells have not responded as expected to the injection. The incremental recovery (over primary) to date is estimated at 11.3% STOOIP. Additionally, some wells outside the pilot have also shown response...

.... Given the permeability of the reservoir and the crude oil viscosity, the field has been screened for the application of a high viscosity polymer flood. A long term polymer injectivity trial was conducted in 2014 with a suite of objectives that would help in assessing the feasibility of concept...

... hydraulic fracturing breakthrough test drilling fluid selection and formulation drilling fluid formulation aperture experiment pressure gradient fracture holdback pressure gradient Syneresis reaction polymer dispersion flow in porous media fluid dynamics polymer injection cement gel...

... In 2011, prior to polymer injection, tracer tests were performed. The breakthrough times in the surrounding wells are depicted in Fig. 3 . The results indicate that the reservoir is heterogeneous and that flow paths with high permeabilites exist in which flow velocities up to 8 m/d corresponding...

... application of this technique separately from the original ASP project. From that moment, the project was split into two stages; a polymer injection and an ASP injection. The description of the ASP project is out of the scope of the present article. Selected Chemical Process El Corcobo Norte field...

... tanks in Canada. This paper will present design data from a recent installation of the distributed-flux burner in a heater treater for a Canadian oilfield using polymer injection that had previously suffered frequent firetube failures. enhanced recovery outer surface burner surface burner...

... that incorporates the effect of (i) particle plugging due to filtration of solids and oil droplets in the injected fluids; (ii) non-Newtonian polymer rheology (shear-thinning and -thickening) for polymer injection; (iii) thermal stresses induced by cold water injection; and (iv) stress and fracture reorientation...