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Near-Wellbore Salinity Effect on Sand Control Plugging by Fines Migration in Steam-Assisted Gravity Drainage Producer Wells
DownloadFall 2023
Sand control screens are necessary for steam-assisted gravity drainage (SAGD) wells drilled into oil sands to prevent sand production. However, the accumulation of mobilized fine particles near the wellbore can result in screen plugging, adversely affecting the well's flow performance. This...
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Spring 2021
Sand control devices (SCDs) such as Slotted Liners (SLs) have been playing a crucial role in sand production for Steam Assisted Gravity Drainage (SAGD) operations. Lately, optimizing and selecting the proper design of SCDs in the laboratory to quantify and qualify the SCD’s performance is gaining...
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Experimental and Numerical Study into the Performance Assessment of Stand-alone Screens in Steam Assisted Gravity Drainage Operations
DownloadFall 2021
Sand production is a significant issue for weakly consolidated and unconsolidated formations. Sanding can erode the wellbore and surface facilities and plug the wellbore. In SAGD operations, wellbores are typically completed by stand-alone screens such as slotted liners (SL), wire-wrapped screens...
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A Novel Sand Control Testing Facility to Evaluate the Impact of Radial Flow Regime on Screen Performance and its Verification
Download2020-05-11
Mohammad Haftani, Omar Kotb, Phuong H. Nguyen, Chenxi Wang, Mahmoud Salimi, Alireza Nouri
Optimum design of the sand control devices in oil sand reservoirs plays a vital role in minimizing the sand production and increasing the reservoir productivity in Steam-Assisted Gravity Drainage (SAGD) operations. Various sand control testing facilities have been developed to evaluate the...
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Spring 2019
Heavy oils and extra heavy oils in Alberta that are currently extracted through thermal recovery primarily employ Steam Assisted Gravity Drainage (SAGD). Sand control devices (SCDs) such as Slotted Liners (SLs) and Wire Wrap Screens (WWSs) have been used extensively in wells producing from...
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Effect of Stress Build-up around Standalone Screens on the Screen Performance in SAGD Wells
Download2018-01-01
Yujia Guo, Morteza Roostaei, Alireza Nouri, Vahiddodin Fattahpour, Mahdi Mahmoudi, Heeseok Jung
Steam Assisted Gravity Drainage (SAGD) is the primary thermal recovery technology currently employed to extract heavy oil and high-viscosity bitumen from Alberta oil sands. In the nearwellbore region, the initial stresses are nearly zero, and as the SAGD chamber grows, the stresses tend to...
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Spring 2018
Steam Assisted Gravity Drainage (SAGD) is a thermal recovery technology currently employed to extract heavy oil and high viscosity bitumen from Alberta oil sands. Due to the unconsolidated nature of oil sands, SAGD wells are prone to producing sand, hence, requiring sand control devices to...
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2016-01-01
Mahdi Mahmoudi, Vahidoddin Fattahpour, Alireza Nouri, Saad Rasool, Michael Leitch
The quantification of fines migration in the vicinity of sand control screens in SAGD wells is of paramount importance to operating companies, who require the wells to operate under optimum conditions for a period of 10-15 years. Fines migration can lead to the plugging of pore spaces...