Patent · US Active

Coring method and apparatus

US11313225B2 · kind B2 · utility

0Cited by

18References

19Claims

0Family size

Assignee

SAUDI ARABIAN OIL COMPANY · SA

Inventors

Khalid A. Zainalabedin · Al Khobar, SA
Mustafa A. Al-Huwaider · Dhahran, SA
Shouxiang Mark Ma · Dhahran, SA

Key dates

Filing date	Aug 27, 2020
Grant date	Apr 26, 2022
Priority date	—
Expiry date	Aug 27, 2040

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B44/005
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A system includes a bottom hole assembly and a core sampling tool. The bottom hole assembly includes a housing and a drill bit coupled to the housing. The core sampling tool includes a first compartment positioned within the housing, the first compartment including a motor; a second compartment positioned within the housing and radially spaced apart from the first compartment, the second compartment including a coring bit; and a flexible drilling shaft extending between and coupled to the motor and the coring bit.

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