公开(公告)号：US20140190689A1

公开(公告)日：2014-07-10

申请号：US14150359

申请日：2014-01-08

Applicant: Conocophillips Company

Inventor： Logan A. WARREN ,  Siluni L. WICKRAMATHILAKA ,  David A. BROWN ,  Thomas J. WHEELER

IPC: E21B43/24 ,  E21B43/16

CPC classification number: E21B43/166 ,  E21B43/243

Abstract: The present invention relates to a novel method of maintaining a steady and/or proper water-gas ratio for the wet in situ combustion process for oil recovery. In particular, the method comprises mixing water with a foaming agent, or some other colloid capable of generating foam, in addition to gas. The foam carries the water through heated reservoirs more efficiently and prevents separation from the gas. As such, more heat can be scavenged, thus an increased amount of steam is generated and transferred to the oil to increase its recovery.

Abstract translation: 本发明涉及一种维持用于油回收的湿式原位燃烧过程的稳定和/或适当的水气比的新方法。 特别地，除了气体之外，该方法包括将水与发泡剂或能够产生泡沫的一些其它胶体混合。 泡沫通过加热的储存器更有效地运送水并防止与气体分离。 因此，可以清除更多的热量，因此产生增加量的蒸汽并将其转移到油中以增加其回收。

公开(公告)号：US20140216739A1

公开(公告)日：2014-08-07

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

IPC: E21B43/24

CPC classification number: E21B43/2408 ,  E21B43/16

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.

Abstract translation: 通过使用蒸汽加泡沫和可选择的气体从耗尽的蒸汽室捕获废热来提高油的热回收，以将低质量的蒸汽深入到室中，其中废热将水原位转化为蒸汽。 因此，需要整体蒸汽发生，从而降低成本。