Mobility control of chemical EOR fluids using foam in highly fractured reservoirs

dc.contributor.advisorNguyen, Quoc P.en
dc.contributor.committeeMemberPope, Gary A.en
dc.contributor.committeeMemberMohanty, Kishoreen
dc.creatorGonzaléz Llama, Oscaren
dc.date.accessioned2011-07-12T16:21:38Zen
dc.date.available2011-07-12T16:21:38Zen
dc.date.issued2011-05en
dc.date.submittedMay 2011en
dc.date.updated2011-07-12T16:21:49Zen
dc.descriptiontexten
dc.description.abstractHighly fractured and vuggy oil reservoirs represent a challenge for enhanced oil recovery (EOR) methods. The fractured networks provide flow paths several orders of magnitude greater than the rock matrix. Common enhanced oil recovery methods, including gases or low viscosity liquids, are used to channel through the high permeability fracture networks causing poor sweep efficiency and early breakthrough. The purpose of this research is to determine the feasibility of using foam in highly fractured reservoirs to produce oil-rich zones. Multiple surfactant formulations specifically tailored for a distinct oil type were analyzed by aqueous stability and foam stability tests. Several core floods were performed and targeted effects such as foam quality, injection rate, injection type, permeability, gas saturation, wettability, capillary pressure, diffusion, foam squeezing, oil flow, microemulsion flow and gravity segregation. Ultimately, foam was successfully propagated under various core geometries, initial conditions and injections methods. Consequently, fluids were able to divert to unswept matrix and improve the ultimate oil recovery.en
dc.description.departmentPetroleum and Geosystems Engineeringen
dc.format.mimetypeapplication/pdfen
dc.identifier.slug2152/ETD-UT-2011-05-3492en
dc.identifier.urihttp://hdl.handle.net/2152/ETD-UT-2011-05-3492en
dc.language.isoengen
dc.subjectMobility controlen
dc.subjectFoamen
dc.subjectChemical enhanced oil recoveryen
dc.subjectLow tension gasen
dc.subjectIFTen
dc.subjectFracturesen
dc.subjectCarbonatesen
dc.subjectGas injectionen
dc.titleMobility control of chemical EOR fluids using foam in highly fractured reservoirsen
dc.type.genrethesisen
thesis.degree.departmentPetroleum and Geosystems Engineeringen
thesis.degree.disciplinePetroleum Engineeringen
thesis.degree.grantorUniversity of Texas at Austinen
thesis.degree.levelMastersen
thesis.degree.nameMaster of Science in Engineeringen

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