Patent ID: 9291046
Filing Date: 2016-03-22
CPC Classification: E21B

Claim Text:
1. A method, comprising: completing a wellbore located in a formation by isolating a first portion of the wellbore or extension thereof from a second portion of the wellbore or extension thereof, said second portion of the wellbore or extension thereof being located within twenty meters of the first portion of the wellbore or extension thereof, and said first portion of said wellbore or extension thereof being located at a hydrocarbon producing location of the formation; chemically treating a first portion of the formation adjacent said first portion of the wellbore or extension thereof to make said first portion of the formation hydrophobic, wherein the chemical treatment of the first portion extends a radial depth of between one and ten meters into the formation; chemically treating a second portion of the formation adjacent said second portion of the wellbore or extension thereof to make said second portion of the formation hydrophilic, wherein the chemical treatment of the second portion extends a radial depth of between one and ten meters into the formation; simultaneously and separately producing hydrocarbons from said first portion of the wellbore or extension thereof and water from said second portion of the wellbore or extension thereof; and separately bringing said hydrocarbons to a surface of the formation.