Downhole steam injection splitter

Details Downhole steam injection splitter Downhole steam injection splitter

E - Fixed Constructions

21

B

E21B 43/24 (2006.01)

Patent

CA 2618181

A modular steam injection line, for use in steam assisted gravity drainage (SAGD) operations for delivery of an equal steam mass flow along a length of the apparatus, incorporates steam splitter modules fluidly connected for forming the steam injection line. Each of the modular steam splitters is fit with interchangeable nozzles for delivering steam to the formation. The interchangeable nozzles have orifices of different sizes and the nozzle orifice size required for each individual module to deliver an equal mass flow of steam from each module, at sub-sonic rates, along the entire length of the steam injection line.

L'invention porte sur une canalisation modulaire d'injection de vapeur conçue pour les opérations de drainage par gravité au moyen de vapeur (SAGD) visant à acheminer un débit massique uniforme de vapeur sur une certaine longueur de l'appareil, lequel comprend des modules de répartition de vapeur raccordés fluidiquement pour former la canalisation d'injection de vapeur. Chacun des répartiteurs de vapeur est muni de tuyères interchangeables conçues pour acheminer la vapeur à la formation géologique. Ces tuyères interchangeables sont munies d'orifices de tailles diverses et ont les calibres nécessaires pour acheminer un débit massique uniforme de vapeur à partir de chaque module à des régimes subsoniques, tout au long de la canalisation d'injection de vapeur.

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