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Keywords: asphaltene precipitation
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Proceedings Papers
Experimental and Numerical Study of Asphaltene Deposition and Precipitation in the Vapor Extraction Process
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Canadian Energy Technology Conference and Exhibition, March 15–16, 2023
Paper Number: SPE-212769-MS
... Abstract Vapor Extraction (VAPEX) is one of the most promising solvent-based methods to tackle the issues associated with SAGD. Asphaltene precipitation due to solvent injection and its in-situ upgrading plays an essential role in VAPEX. As the VAPEX chamber expands laterally and vertically...
Proceedings Papers
A CPP Model to Asphaltene Precipitation; Mapping p-p Interactions onto an Equation of State
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Canadian Energy Technology Conference, March 16–17, 2022
Paper Number: SPE-208942-MS
... Abstract Asphaltene may destabilize during the oil recovery, transportation, and processing and cause significant flow assurance problems that negatively affect the operational expenditures (OPEX). Modeling investigation of asphaltene precipitation and consequently deposition is a vital...
Proceedings Papers
An Experimental Investigation of Asphaltene Aggregation Under Carbon Dioxide Injection Flow in Ultra-Low-Permeability Pore Structure
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Canadian Energy Technology Conference, March 16–17, 2022
Paper Number: SPE-208950-MS
... Abstract One of the major problems during gas injection in unconventional reservoirs is asphaltene precipitation and deposition. Asphaltenes can reduce the pore throat in the reservoir and plug the surface and subsurface equipment during the production process, thus, result in oil production...
Proceedings Papers
The Effects of Asphaltene Precipitation on Bitumen Recovery during Non-Thermal Cyclic Solvent Injection in Cold Lake Oil Sands- An Experimental Study
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Canadian Energy Technology Conference, March 16–17, 2022
Paper Number: SPE-208919-MS
... is soaked in C 3(v) . Also, the bitumen production stops quickly at the early soaking period in set 1. This is because asphaltene precipitation is more significant when the C 3(l) is present in the system. The propane density in liquid state is higher than that in vapor state, leading to more bitumen...
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