公开(公告)号：US09605520B2

公开(公告)日：2017-03-28

申请号：US13743498

申请日：2013-01-17

Applicant: CONOCOPHILLIPS COMPANY

Inventor： Curtis G. Blount ,  John C. Braden ,  Dan E. Venhaus

IPC: E21B43/04 ,  E21B43/08 ,  E21B43/10 ,  E21B43/12 ,  E21B43/14

CPC classification number: E21B43/12 ,  E21B43/04 ,  E21B43/14

Abstract: A process for isolating one or more segments of a gravel packed well from other segments to treat the isolated segments and easily re-establish flow from the other segments after the treatment is described. The treatment includes techniques for enhancing or permanently blocking production from the isolated segment. The process includes the installation of a removable sealing element and a permeability poison that forms a fluid seal to prevent longitudinal fluid flow along the annular production space outside the tubular production pipe. With wireline or other low-cost wellbore workover systems, access is re-engaged with the secluded formation including removal of plugs and fluid seals within the tubular production pipe.

公开(公告)号：US20130126162A1

公开(公告)日：2013-05-23

申请号：US13743498

申请日：2013-01-17

Applicant: CONOCOPHILLIPS COMPANY

Inventor： Curtis G. BLOUNT ,  John C. Braden ,  Dan E. VENHAUS

IPC: E21B43/12

CPC classification number: E21B43/12 ,  E21B43/04 ,  E21B43/14

Abstract: This invention relates to a process for isolating one or more segments of a gravel packed well from other segments to treat the isolated segments and easily re-establish flow from the other segments after the treatment. The treatment includes techniques for enhancing or permanently blocking production from the isolated segment. The process includes the installation of a removable sealing element and a permeability poison that forms a fluid seal to prevent longitudinal fluid flow along the annular production space outside the tubular production pipe. With wireline or other low-cost wellbore workover systems, access is re-engaged with the secluded formation including removal of plugs and fluid seals within the tubular production pipe. The inventive process allows enhanced recovery of fluids by focusing treatments on problem areas without harming productive segments of the well.

Abstract translation: 本发明涉及一种从其他部分分离砾石填充井的一个或多个区段的方法，以处理分离的区段，并且在处理之后容易地从其他区段重新建立流动。 该治疗包括用于增强或永久阻断分离区段的生产的技术。 该方法包括安装可移除的密封元件和形成流体密封件的渗透性毒物，以防止纵向流体沿管状生产管外部的环形生产空间流动。 使用有线或其他低成本井筒修井系统，通道将重新与隐蔽地层结合，包括在管状生产管道内拆除塞子和流体密封。 本发明的方法允许通过将处理聚焦在问题区域上来增强流体的回收，而不损害井的生产段。