Patent · US Active

Systems and methods for stuck pipe mitigation

US10557326B2 · kind B2 · utility

0Cited by

26References

17Claims

0Family size

Assignee

SAUDI ARABIAN OIL COMPANY · SA

Inventors

Abdulaziz S. Al-Qasim · Dammam, SA
Raed A. Alouhali · Dhahran, SA
Sunil Kokal · Dhahran, SA

Key dates

Filing date	Dec 1, 2017
Grant date	Feb 11, 2020
Priority date	—
Expiry date	Apr 17, 2038

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B17/1057
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

Systems and methods for moving a tubular string within a subterranean well include a ring assembly. The ring assembly includes a structural ring sized with a ring inner diameter to circumscribe the tubular string and a ring outer diameter to fit within a bore of the subterranean well. A rotatable blade extends from the structural ring. Wheels are spaced around an inner diameter surface of the structural ring.

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