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Keywords: saturation
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Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling and Underbalanced Operations Conference & Exhibition, February 12–13, 2009
Paper Number: SPE-122275-MS
... saturation reservoir invasion fractured reservoir Drilling permeability IADC/SPE 122275 Application of UBD Technology to Maximize Recovery From Horizontal Wells in Naturally Fractured Carbonate Reservoirs Siroos Salimi, SPE, NTNU, Alireza Naziri, SPE, Reslab Integration As, Ali Ghalambor, SPE...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling and Underbalanced Operations Conference & Exhibition, February 12–13, 2009
Paper Number: SPE-122268-MS
... of spontaneous imbibition in reservoir models with lower capillary pressure. Sensitivity analysis shows that formation damage caused by UBD depends on various reservoir parameters and drilling conditions. Different cases of ROP, hydrostatic pressure of drilling fluid, initial water saturation, and...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, January 28–29, 2008
Paper Number: SPE-114051-MS
... permeability formation damage obp 1500 initial water saturation UBD operation saturation obd case SPE/IADC 114051 Enhancement of Well Productivity: Investigation of the Feasibility of UBD for Minimizing Formation Damage Siroos Salimi, SPE, and Johan Tronvoll, SPE, Reslab AS Copyright 2008, SPE/IADC...
Proceedings Papers

Paper presented at the SPE/IADC Underbalanced Technology Conference and Exhibition, October 11–12, 2004
Paper Number: SPE-91558-MS
... conditions. Therefore, a multi-phase UBD simulation tool is introduced. The model incorporates discrete consideration of the well with proper, time varying UBD boundary conditions, i.e., pressure and saturation. Capillary forces, which facilitate countercurrent imbibition, are taken into account. The...

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