Latching assembly for wellbore logging tools and method of use
US9909376B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2012 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | Sep 23, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/26
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A latching assembly for wellbore logging tools includes a bottom hole assembly to be disposed on a distal end of a drill string. The bottom hole assembly includes a landing sub having a bore with a latching mechanism that includes latch jaws and bias springs. The latch jaws can receive a landing shoulder. The biasing spring has a closing arm and an opening arm to respectively close and open the latch jaws. The bottom hole assembly includes a tool string that includes the landing shoulder for engaging with the latch jaw of the landing sub, the biasing spring, and a logging assembly that includes at least one logging tool for obtaining and storing data about at least one geologic formation penetrated by the wellbore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.