E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/16 (2006.01) E21B 43/22 (2006.01)
Patent
CA 2749331
A system for producing oil and/or gas from an underground formation comprising a first well above the formation; the first well comprises a mechanism to inject a miscible enhanced oil recovery formulation into the formation; the first well comprises a first tubular and a second tubular, the first tubular threadingly engaged with the second tubular; a thread compound disposed on at least one of a thread of the first tubular and a thread of the second tubular; the thread compound comprises an additive adapted to swell when exposed to the miscible enhanced oil recovery formulation.
La présente invention concerne un système de production d'hydrocarbure et/ou de gaz à partir d'une formation souterraine comprenant un premier puits situé au-dessus de la formation. Le premier puits comprend un mécanisme permettant d'injecter, dans la formation, une formulation de récupération d'hydrocarbure enrichie en fluide miscible; un premier matériel tubulaire et un second matériel tubulaire, le premier matériel tubulaire étant relié par un accouplement fileté au second matériel tubulaire; un lubrifiant pour filetage étant disposé sur au moins un filet du premier ou du second matériel tubulaire, ledit lubrifiant pour filetage comprenant un additif conçu pour gonfler lorsqu'il est exposé à la formulation de récupération d'hydrocarbure enrichie en fluide miscible.
Shell Internationale Research Maatschappij B.v.
Smart & Biggar
LandOfFree
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