E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/24 (2006.01) E21B 43/243 (2006.01)
Patent
CA 2678347
A pre-ignition heat cycle (PIHC) using cyclic steam injection and steam flood techniques is described that improves the recovery of viscous hydrocarbons from a subterranean reservoir using an overhead in-situ combustion technique such as combustion overhead gravity drainage (COGD). The PIHC, by developing horizontal and vertical transmissive zones predispose a viscous oil reservoir to develop a conformable combustion chamber. Good conformance of the combustion chamber enhances recovery factor and improves well operations in the field for in-situ combustion applications.
Cycle thermodynamique de pré-allumage (CTPA) lancé grâce à des techniques d'injection cyclique de vapeur et de balayage à la vapeur, qui améliore la récupération des hydrocarbures visqueux dans un réservoir souterrain à l'aide d'une technique de combustion in situ des distillats de tête, comme le drainage par gravité des distillats de tête de combustion. Le CTPA, grâce à la création de zones transmissives horizontales et verticales, favorise la formation d'une chambre de combustion adaptable dans un réservoir d'hydrocarbures visqueux. La bonne parité de la chambre de combustion augmente le facteur de récupération et améliore les opérations effectuées dans le puits sur le terrain pour la combustion in situ.
Excelsior Energy Limited
Hicks & Associates
LandOfFree
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