Patent · US Active

Core catcher for unconsolidated sediment samples

US10415337B2 · kind B2 · utility

0Cited by

65References

20Claims

0Family size

Assignee

SAUDI ARABIAN OIL COMPANY · SA

Inventors

Nikolaos A. Michael · Abqaiq, SA
Peng Lu · Dhahran, SA

Key dates

Filing date	Jan 11, 2018
Grant date	Sep 17, 2019
Priority date	—
Expiry date	May 19, 2038

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B25/08
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A core sampler including an inner wall, an outer wall, a plurality of membranes disposed between the inner wall and outer wall, the plurality of membranes attached to the inner wall and outer wall at one or more attachment points, and a rotating knob attached to the inner wall or outer wall, the rotating knob configured to rotate the inner wall relative to the outer wall when the rotating knob is attached to the inner wall and to rotate the outer wall relative to the inner wall when the rotating knob is attached to the outer wall, wherein the membranes reside between the inner wall and the outer wall when the core sampler is fully open, and wherein the membranes come together and fully close the core sampler when the rotating knob is rotated 180 degrees or more.

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