E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/16 (2006.01) E21B 37/06 (2006.01) C01B 17/00 (2006.01)
Patent
CA 2671293
Methods of producing a sour hydrocarbon gas via production tubing intersecting a reservoir, are described, one method including contacting an underground reservoir with an aqueous composition optionally comprising an additive, the reservoir comprising hydrocarbons and sulfur compounds; displacing the composition into the reservoir by forcing a fluid (which may be a non-hydrocarbon gas, or inert gas, or nitrogen, or argon, or mixture thereof), into the reservoir, or into the production tubing; and producing at least some of the hydrocarbons and sulfur compounds from the reservoir through the production tubing, the composition wetting the production tubing and preventing substantial deposition of elemental sulfur thereon.
L'invention concerne des procédés de production d'un hydrocarbure gazeux acide par un tube d'extraction qui traverse un gisement, un procédé comprenant la mise en contact du gisement souterrain avec une composition aqueuse qui contient facultativement un additif, le gisement contenant des hydrocarbures et des composés soufrés, le déplacement de la composition dans le gisement en refoulant un fluide (qui peut être un gaz non hydrocarbure, un gaz inerte, l'azote ou l'argon ou leurs mélanges) dans le gisement ou dans le tube d'extraction, et l'extraction d'au moins une partie des hydrocarbures et des composés soufrés du gisement par le tube d'extraction, la composition mouillant le tube d'extraction et empêchant essentiellement que le soufre élémentaire s'y dépose.
Eddy Derry
Zemlak Kean
Bp Corporation North America Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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