Multi-finger caliper
US11661840B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2020 |
| Grant date | May 30, 2023 |
| Priority date | — |
| Expiry date | Nov 16, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B7/13
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure introduces an MFC module for use in a tubular extending into a subterranean formation. The MFC module includes a tool body having slots that each include a receptacle. The MFC module also includes measuring fingers each independently rotatable within a corresponding one of the slots via a corresponding pivot formed by complementary linking portions of the measuring finger and the receptacle of the corresponding slot. The linking portions of the receptacle are situated on opposing side walls of the receptacle. The MFC modules also includes linear displacement sensors each operable for sensing an orientation of a corresponding one of the measuring fingers relative to the tool body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.