Invention Grant
- Patent Title: Method and system for abandoning a cased borehole
-
Application No.: US15337941Application Date: 2016-10-28
-
Publication No.: US10221640B2Publication Date: 2019-03-05
- Inventor: Erik Vilhelm Nordenstam , Lei Fang
- Applicant: Erik Vilhelm Nordenstam , Lei Fang
- Applicant Address: US TX Houston
- Assignee: BAKER HUGHES, A GE COMPANY, LLC
- Current Assignee: BAKER HUGHES, A GE COMPANY, LLC
- Current Assignee Address: US TX Houston
- Agency: Cantor Colburn LLP
- Main IPC: E21B29/00
- IPC: E21B29/00 ; E21B37/04 ; E21B47/12

Abstract:
A milling and scraping tool for preparing a borehole to be plugged includes a tool body including a first end, a second end, and an intermediate portion extending therebetween and a milling system arranged between the first end and the second end. The milling system includes one or more selectively deployable milling blades. The one or more selectively deployable milling blades is shiftable between a retracted position and a deployed position. A scraping system is arranged on the tool body. The scraping system includes a plurality of selectively deployable scraping blades selectively deployable from a retracted position to a deployed position.
Public/Granted literature
- US20180119507A1 METHOD AND SYSTEM FOR ABANDONING A CASED BOREOLE Public/Granted day:2018-05-03
Information query