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. 12, 2016
Filed:
Nov. 30, 2010
Oivind Godager, Sandefjord, NO;
Oivind Godager, Sandefjord, NO;
Sensor Developments AS, Sandefjord, NO;
Abstract
An apparatus and method for in-situ wellbore measurements wherein the apparatus includes one or more sensors arranged outside a wellbore, one or more actuators associated with the sensors, a wireless instrument unit situated outside the non-magnetic portion of wellbore conduit, and an electromagnetic transceiver situated inside a non-magnetic portion of wellbore conduit and mounted on an electric-line logging cable, each of the wireless instrument unit and the transceiver have a transmission antenna and a spaced apart receiver antenna, each transmission antenna disposed to be positioned to oppose through the non-magnetic casing a receiver antenna to form a phase-locked loop that verifies the relative positions of the transceiver and wireless instrument unit.