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Keywords: breakthrough
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-220860-MS
... completion installation and operations sand control production control flowrate ga flux well-b geologist production logging production monitoring reservoir characterization breakthrough well-c mbd vaziri petroleum engineer water flux stbpd ft pressure drag effect depletion strength...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-223509-STU
... breakthrough mechanism mstb efficiency lswi recovery factor Introduction Background Waterflooding, also known as water injection, has been a widely used technique in the oil and gas industry for almost a century as part of Enhanced Oil Recovery (EOR) strategies. This method is favored...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-215116-MS
... there are changes in the overall well stream composition. Examples of such changes include depletion below the dewpoint in gas-condensate reservoirs, injection gas breakthrough in oil reservoirs, or simply the utilization of lift gas. Secondly, the well test conversion tables do not provide an update of the well...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-217481-STU
... methods concentration nanoparticle concentration artificial intelligence stability foam stability breakthrough efficiency united states government flow in porous media enhanced recovery co 2 surfactant half-life miscible method nanoparticle experiment nanofoam reservoir silica...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214821-MS
... to 7,000 psi caused a 50% reduction in the acid volume needed to achieve breakthrough indicating an improvement in the acid penetration rate into the rock. At injection rate of 5 ml/min and under a pressure of 5,000 psi, 15 wt.% HCl breaks through core even at temperature as high as 350°F without causing...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214779-MS
... reservoir characterization sciencedirect aquifer breakthrough saline aquifer permeability porosity sequestration temperature carbonic acid Introduction Carbon sequestration refers to the practice of injecting and preserving carbon dioxide (CO 2 ) in natural or artificial storage...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214842-MS
... to quantify the in-situ sc-CO 2 saturation spatiotemporally in brine-saturated Berea sandstone cores. In neat CO 2 injection, gravity override and viscous fingering result in early breakthrough and low sweep efficiency. Cumulative brine production is approximately 30% (from fraction collector) and 35...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214835-MS
... of polymers in porous media that the polymers can bypass small pores, i.e., the inaccessible pore volume (IPV), resulting in accelerated breakthrough. In contrast, small molecular tracers will flow through all pores without accelerated breakthrough. By comparing the breakthrough curves of the polymeric...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-215024-MS
... is quite smaller than typical values for oil and brine viscosities [ 4 ]. This results in viscous fingering and early breakthrough of the CO 2 [ 5 ]. Another reason for this early breakthrough is the presence of micro-scale reservoir heterogeneities that can cause CO 2 to channel through the more...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214986-MS
... of the ESN water shut-off agent under heavier polymer-clay fluid. Secondly, core flooding tests were conducted on four sets of natural low-permeable sandstone core columns to assess reversibility feature of the ESN water shut-off agent and a threshold pressure of the gas-condensate breakthrough. Rheology...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214812-MS
... the miscible gas injection operation. Over the course of production, ‘Reservoir A’ is experiencing a gradual GOR increase. The GOR evolution could be the result of different physical mechanisms, such as production below bubble point, gas coning, or miscible gas breakthrough. In the latter case, it is not clear...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214973-MS
... foam strength application breakthrough Introduction Foam is a field-tested and laboratory verified method to reduce carbon dioxide (CO 2 ) mobility and mitigate the impacts of reservoir heterogeneity in CO 2 enhanced oil recovery (EOR) and CO 2 storage processes ( Bernard et al., 1980...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214956-MS
... HCl. Core flood tests were also conducted at high temperature and lower concentrations to observe change in behavior and performance. Lactic acid performance was analyzed by comparing pore volumes to breakthrough (PV bt ) with previous HCl experiments. Lactic acid was found to be more efficient than...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210060-MS
... a variety of wells. In this instance the gas molar compositions were similar so the only means to identify injection gas breakthrough in producing wells was by the CS-IRMS analysis technique. Complete physiochemical and water isotope ratio (δ 18 O and δ 2 H) analysis also show contrasting signatures between...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210124-MS
... 7 Berea SS n-C16 Neat CO 2 86 23 0.43 140 0.22 8 Berea SS n-C16 Vis-CO 2 83 23 0.42 140 0.20 Abstract Modification of CO 2 mobility to prevent premature breakthrough and poor sweep efficiency is a major step for improving oil recovery in CO 2 injection. Water...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210117-MS
.... Gel strength of crosslinked acrylamide-polymer (4000-15000 PPM concentrations) was monitored using Sydansk grading. During the treatment, offsets were monitored for polymer breakthrough using flocculation tests. Any offending producer was shut in until resuming water injection. After treatment, water...

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