University of Khartoum

A SIMPLE METHOD FOR DIFFERENTIATION BETWEEN MOBILIT Y CONTROL AND WATER SHUT-OFF AGENTS

A SIMPLE METHOD FOR DIFFERENTIATION BETWEEN MOBILIT Y CONTROL AND WATER SHUT-OFF AGENTS

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dc.contributor.author Bashir Nimir, Hassan
dc.date.accessioned 2015-03-11T09:07:22Z
dc.date.available 2015-03-11T09:07:22Z
dc.date.issued 2009-03
dc.identifier.issn 0049 - 2469
dc.identifier.uri http://hdl.handle.net/123456789/6734
dc.description.abstract Production of excess water with oil represents a re al challenge to most oil producers especially in high environmental sensitive regions. Chemical shutoff (squeeze cement, polymer gels and foams) and/or mechanical i solators (packers) represent efficient methods to reduce or stop oil-associated water and may consequently increase oil production. The required placement pr ocess of chemical differs by the difference of required mechanism whether to increas e oil production or to shutoff water. In water shutoff treatments, the chemical i s required to penetrate mostly in watered-out fractures and/or high permeability stre aks to plug water production whereas in mobility control mechanism, the chemical is required to act differently by penetrating deeply in the low permeability oil-bear ing zones to displace the oil. This paper shows an analytical analysis based on experim ental core flood experiments with foams that allow to separate the viscosity effect f rom the permeability effect (on the mobility term) which enables selecting of chemical for either of mechanisms. en_US
dc.language.iso en en_US
dc.publisher Sudan Engineering Society. en_US
dc.subject quality, Mobility, residual resistance factor en_US
dc.title A SIMPLE METHOD FOR DIFFERENTIATION BETWEEN MOBILIT Y CONTROL AND WATER SHUT-OFF AGENTS en_US
dc.type Article en_US

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