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Keywords: reservoir
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Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218266-MS
... Abstract The current work aims to understand and characterise the parameters governing the development of the oil bank and its propagation in viscous oil reservoirs under bottom aquifer drive during polymer flooding. The interest in the scope originated from two recent polymer trials which...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218253-MS
... Abstract Oil swelling test data is essential to tune the EOS models to simulate gas injection EOR processes and evaluate the reservoir-scale recovery performances. PVT cells are typically used to measure this property; however, it may involve some challenges with runtime, fluid handling...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218269-MS
... nine active polymer skids, and the field's polymer injection rate has reached 60,000 bwpd via 50 horizontal injection wells. Targeted reservoirs have average permeabilities ranging from 100 to 1000 md and in-situ oil viscosities ranging from 13 cp to 1300 cp. Both secondary and tertiary floods...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218282-MS
... Abstract Water-alternating-gas (WAG) injection is an enhanced oil recovery (EOR) technique used to overcome problems related with gas injection, including gravity override, viscous fingering, and channeling. However, the success of WAG injection is influenced by reservoir characteristics...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218163-MS
... Abstract This numerical study investigates the potential of mutually fulfilling EOR and sequestration objectives of carbon dioxide (CO 2 ) injection into a hypothetical light-oil, carbonate reservoir. Formation and fluid properties were selected considering the ranges published...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218272-MS
... commercial-scale polymer flooding projects worldwide. We analyzed key factors that impacted PF technology over the years, including the critical amount of polymer used, the impact of reservoir heterogeneity on-field performance, the issue of ineffective polymer recycling, the reversal of injection profile...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218168-MS
... saturation correction enhanced recovery reversibility walsh diagram injection reservoir saturation irreversibility hydrogen scenario flow reversibility idle saturation flow in porous media hysteresis hydrogen saturation residual hydrogen saturation hydrogen storage Introduction...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218157-MS
... Abstract Enhanced Oil Recovery (EOR) methods play a crucial role in producing significant volumes of trapped hydrocarbons within fractured oil-wet reservoirs. These methods aim to modify the fluid-rock interactions, reduce interfacial tension, and alter the wettability of the reservoir...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218150-MS
...). Recent studies have brought attention to PEO's improved injectivity in low permeability carbonate reservoirs compared to acrylamide-based polymers offering a promising alternative ( Mejia et al., 2022 a; Mejia et al., 2022b ; Trine et al., 2022 ). Five two-phase experiments were conducted in Indiana...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218146-MS
... to demonstrate the feasibility and commerciality of deeper development. Logging showed oil saturations as high as 50% down to a range of depths from +1000 to +990 feet ASL and rapid declining saturation to the imbibition free water level of +960 ASL. Deeper rock properties also showed similar reservoir porosity...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218132-MS
... challenging waterflood economics due to limited injectivity into the tight sand reservoir and formation damage caused by movable and swelling clays. The objectives were to test horizontal well injectivity at desired pressures, assess the use of produced gas injection to repressurize the extremely depleted...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218166-MS
... of unlocking untapped reservoir potential but also reducing the project cost to 10-25 $/bbl compared to surfactant-polymer (SP) 15-30 $/bbl and extending 20 years the productive life of mature oilfields.ASP attempted to solve the challenge of cost-effectively recovering oil not only from reservoirs with high...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218165-MS
... Summary The development of unconventional liquid-rich reservoirs, supercritical carbon dioxide (scCO 2 ) considers a promising fluid to further improve oil recovery of shale oil reservoirs in and after hydraulic fracturing. However, the scCO 2 has some disadvantages to limit its application...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218160-MS
... measured sparingly, assumed fixed once measured, and/or altered significantly as a history match parameter to fit injection and production data even though relative permeability has a physical significance and is dynamic within a reservoir. We use limited field data to develop an artificial neural network...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218187-MS
... Abstract Modeling of chemical tracers represents one of the most powerful dynamic tools for reservoir characterization and estimation of oil saturation. However, the continuous monitoring during long times in partitioning inter-well tracer tests (PITTs), which extend to months or years in some...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218186-MS
... Abstract This study explores Low-Tension-Gas (LTG) flooding as a hybrid low-tension surfactant and nitrogen gas-enhanced oil recovery method for a high-temperature (90-100°C), heterogeneous (permeability 0.06 µD-1180 mD), sandstone reservoir. We began with history-matching two corefloods...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218155-MS
..., highlighting the practical potential of these particles for oil reservoir applications. With a simple dropwise stirring "one-pot" synthesis method, the thermoplastic elastic particles offer advantages including straightforward synthesis, environmental friendliness, excellent mechanical performance, thermal...

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