Water isolation in carbonate reservoirs using high-viscosity oil

Authors: R.R. Kadyrov, A.S. Zhirkeev, D.K. Khasanova (TatNIPIneft), G.F. Kandaurova, I.N. Fajzullin (Leninogorskneft NGDU)

A water control technology for carbonate reservoirs, which uses heavy oil from Mordovo-Karmalskoye oil field (Republic of Tatarstan), has been developed. The technology can be realized in two options: heated heavy oil is mixed with oil-well Portland cement forming a slurry, or with highly oxidized bitumen, forming a melt. To prevent cooling of the injected slurry/melt, heat-insulated pipes are used.

A water control technology for carbonate reservoirs, which uses heavy oil from Mordovo-Karmalskoye oil field (Republic of Tatarstan), has been developed. The technology can be realized in two options: heated heavy oil is mixed with oil-well Portland cement forming a slurry, or with highly oxidized bitumen, forming a melt. To prevent cooling of the injected slurry/melt, heat-insulated pipes are used.



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