Conocophillips Company

Bergen Teknologioverforing as

Bergen Teknologioverføring as

The University of Bergen

Arne Graue

James C Stevens

David R Zornes

Bernard A Baldwin

James J Howard

Bjorn Kvamme

A method of recovering oil from a heterogeneous reservoir, comprising a plurality of permeable porous blocks of rock whose pores contain oil and which form interfaces with regions between the blocks, e.g. fractures, having a higher permeability than the blocks. Treating the interfaces such that the wettability of the surfaces of the blocks is in a predetermined wettability range, then reducing the permeability in the highly permeable regions, and finally flooding the reservoir by injecting a chase fluid into the reservoir. With the present method, water phase bridges are established between adjacent blocks in the reservoir thus allowing a transmission of injection pressure for viscous displacement from one block to the next across the reservoir. A method for long-time storage of COby using COas chase fluid or foaming gas according to the present method for oil recovery from heterogeneous reservoirs.

Method for integrated enhanced oil recovery from heterogeneous reservoirs

A method for releasing gas from a gas hydrate without melting the gas hydrate by substituting the gas with a releasing agent that forms a more stable hydrate structure than the gas.

Production of free gas by gas hydrate conversion

Growing community of inventors

Godvik, Norway

Arne Graue