Patent · US Active

Formation pressure testing

US10711608B2 · kind B2 · utility

2Cited by

12References

20Claims

0Family size

Assignee

SCHLUMBERGER TECHNOLOGY CORPORATION · US

Inventors

Arun Sharma · Missouri City, US
Tudor loan Palaghita · Houston, US
Ashers Partouche · Katy, US

Key dates

Filing date	Dec 11, 2017
Grant date	Jul 14, 2020
Priority date	—
Expiry date	Feb 26, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG01N2001/1427
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A pressure testing module separable from and configured to be coupled with a tool base that is to be coupled along a downhole tool string to be conveyed within a wellbore extending into a subterranean formation. The pressure testing module includes a chamber and a piston assembly slidably disposed within the chamber, thus dividing the chamber into a first chamber portion and a second chamber portion. The piston assembly is operable to move in response to hydraulic fluid being pumped into the first chamber portion and to draw formation fluid of the wellbore into the second chamber portion in response to the movement of the piston assembly.

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