The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 2019
Filed:
Nov. 13, 2015
National Oilwell Varco Norway As, Kristiansand S, NO;
Stig Vidar Trydal, No, NO;
Marianne Holmstrøm, Kristiansand S, NO;
Kjell Rohde, Kristiansand, NO;
Hugo Leonardo Rosano, Kristiansand, NO;
National Oilwell Varco Norway AS, Kristiansand S, NO;
Abstract
A system for placing and removing pipe from a finger rack of a drilling rig, the system comprising a pipe handling apparatus () and a finger rack () having at least one finger board () having at least two fingers (to) defining a slot (to) and a multiplicity of latches () arranged therebetween defining a space for a pipe, each latch () of the multiplicity of latches selectively movable between an open position and a closed position, the system further comprising at least one camera () having said at least one latch () of said multiplicity of latches in a field of view, capturing an image of said latch and sending said image to a master control computer ('), said master computer control computer (′) programmed with a set of instructions to analyze said image for details indicative of the latch () being in an open position or closed position, concluding the latch () to be in an open position or closed position and allowing or disallowing a pipe handling apparatus to place or remove a pipe in the finger rack () based on said conclusion.