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公开(公告)号：US10851632B2
公开(公告)日：2020-12-01
申请号：US14150419
申请日：2014-01-08
Applicant: CONOCOPHILLIPS COMPANY
Inventor： David A. Brown , Siluni L. Wickramdthilaka , Logan A. Warren , Thomas J. Wheeler , Pradeep A. Govind
Abstract: Thermal recovery of oils is improved by capturing waste heat from a depleted steam chamber using steam plus foam and an optional gas to carry low quality steam deep into the chamber where the waste heat converts water to steam in situ. Thus, overall steam generation needs and thus costs are reduced.
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