Patent · US Active

Downhole optical chemical compound monitoring device, bottom hole assembly and measurements-while-drilling tool comprising the same, and method of optically monitoring chemical compound downhole during drilling

US10761238B2 · kind B2 · utility

0Cited by

4References

19Claims

0Family size

Assignee

Openfield SA · FR

Inventors

Eric Donzier · Paris, FR
Linda Abbassi · Montigny-le-Bretonneux, FR
Emmanuel Tavernier · Paris, FR

Key dates

Filing date	Nov 8, 2017
Grant date	Sep 1, 2020
Priority date	—
Expiry date	Jun 3, 2038

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B49/0875
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A downhole optical chemical compound monitoring device (30) arranged to be integrated in a mandrel (20) of a drilling system, for monitoring a chemical compound in a drilling fluid (14B) circulated through a well (7, 8), the downhole optical chemical compound monitoring device (30) comprising:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.