Shell Oil Comapny

Robert James Dombrowski

John Michael Karanikas

Robert Charles Ryan

Etuan Zhang

Augustinus Wilhelmus Maria Roes

Gary Lee Beer

Namit Jaiswal

Mauricio Jose Farinas Moya

Ernesto Rafael Fonseca

Tulio Rafael Colmenares

Marian Marino

Barbara Caterina Lamantia

A method of producing hydrocarbons from a tight formation includes injecting a fluid, such as a miscible gas, and retrieving the hydrocarbons. The fluid may be injected into an injection fracture via and retrieved from a recovery fracture. The injection fracture and recovery fractures may be in the same wellbore, the injection fracture may be in a first wellbore and the recovery fracture in a second wellbore, or the injection fracture and recovery fracture may be in a first wellbore and additional injection or recovery fractures may be in a second wellbore.

Fluid injection in light tight oil reservoirs

Methods for treating a tar sands formation are described herein. Methods may include heating at least a section of a hydrocarbon layer in the formation from a plurality of heaters located in the formation. The heat may be controlled so that at least a majority of the section reaches an average temperature of between 200&#xb0; C. and 240&#xb0; C., which results in visbreaking of at least some hydrocarbons in the section. At least some visbroken hydrocarbon fluids may be produced from the formation.

Heating tar sands formations to visbreaking temperatures

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Houston, TX, United States of America

Robert James Dombrowski