Invention Grant
US08387700B2 Wellbore debris cleanout assembly and method to remove debris from a debris catcher 有权
井眼碎片清理组件和从碎片捕集器中清除碎屑的方法

  • Patent Title: Wellbore debris cleanout assembly and method to remove debris from a debris catcher
  • Patent Title (中): 井眼碎片清理组件和从碎片捕集器中清除碎屑的方法
  • Application No.: US12789914
    Application Date: 2010-05-28
  • Publication No.: US08387700B2
    Publication Date: 2013-03-05
  • Inventor: Gregory L. Hern
  • Applicant: Gregory L. Hern
  • Applicant Address: US TX Houston
  • Assignee: Baker Hughes Incorporated
  • Current Assignee: Baker Hughes Incorporated
  • Current Assignee Address: US TX Houston
  • Agent Shawn Hunter
  • Main IPC: E21B37/08
  • IPC: E21B37/08 E21B31/08
Wellbore debris cleanout assembly and method to remove debris from a debris catcher
Abstract:
A cleanout assembly for removal of debris from a debris chamber in a wellbore cleaning tool. The cleanout assembly includes a mandrel, a boot radially surrounding the mandrel and a debris chamber defined radially between the mandrel and the boot. The boot has one or more windows therein to permit debris to be cleaned out of the debris chamber. A cover is disposed within the debris chamber and is movable within the debris chamber between a first position, wherein the one or more windows are blocked by the cover, and a second position, wherein the one or more windows are not blocked by the cover
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