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. 05, 2022
Filed:
Jul. 29, 2016
Globaltech Corporation Pty Ltd, Forrestfield, AU;
Gordon Stewart, Forrestfield, AU;
Raymond Hill, Kingsley, AU;
Globaltech Corporation Pty Ltd, Forrestfield, AU;
Abstract
A downhole sensing device deployment control apparatus () includes means to control speed of the sensing device progressing within a borehole associated with a drilling operation. A mechanical, electrically powered and/or hydro-dynamic drag/damping means/device () can be provided as part of the control apparatus to control speed of deployment down the borehole. The drag device () can have a plurality of wheels or rollers to contact an internal bore of an inner pipe of a drill string. Rotation control means (), () can be provided to control an amount of rotation and/or direction of rotation of the wheels or rollers relative to travel of the sensing device within the borehole. Valving () can be provided. A two stage (dual) flow/pressure control valve () can be provided. A sensing device (release) and downhole position latch () can be provided. The sensing device can be pumped into the borehole, such as by compressed air.