Liner cementation process and system
US8881814B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 1, 2012 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Mar 28, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Present embodiments are directed to coupling a cementation assembly with a hung or set liner string in a well and moving the liner string during a cementation operation. Specifically, for example, a process in accordance with present techniques includes running a cementation assembly into a well on drill pipe and engaging, with a distal end of the cementation assembly, a liner top assembly of a liner string that is positioned downhole in the well, wherein the liner string was previously positioned downhole in the well without being cemented into the well. Further, the process includes latching the cementation assembly with the liner string such that movement of the cementation assembly is translated to the liner string, and flowing cement through the drill pipe and into the liner string while moving the cementation assembly and the liner string.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.