Patent · US Active

Guidance systems and apparatus for power swivel

US11136826B2 · kind B2 · utility

0Cited by

4References

16Claims

0Family size

Assignee

National Oilwell Varco, L.P. · US

Inventors

Christopher Brian Walker · Cypress, US
Henry Do · Spring, US
Robert Ioan Papp · Houston, US
Mihail Puscas · Rosenberg, US
Calvin Blankenship · Centreville, US
Delfino Moreno, III · El Campo, US
James Cirone · Pampa, US

Key dates

Filing date	Nov 21, 2016
Grant date	Oct 5, 2021
Priority date	—
Expiry date	Apr 9, 2038

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B19/16
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A system for drilling a subterranean borehole. In an embodiment, the system includes a mast, and a pipe rotator coupled to the mast. The pipe rotator includes a stem that is configured to be coupled to an end of a drillstring and a motor that is configured to rotate the stem. In addition, the system includes a guide beam coupled to the mast. The guide beam includes a longitudinal axis and is configured to guide vertical motion of the pipe rotator. The guide beam includes a plurality of elongate sections configured to be generally aligned along the longitudinal axis. In addition, the guide beam includes a plurality of coupling assemblies configured to interconnect the plurality of elongate sections and align the plurality elongate sections along the longitudinal axis.

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