Abstract: A method of splicing a power cable used to supply electricity to down hole submersible pumps uses a pair of annular armored seal members that are slid over the ends of an insulated electrical conductor being spliced together. Each armored seal member has a plurality of O-ring seals on one end thereof and a plurality of openings in the side thereof and are used to cover and protect a crimped conductor being spliced together. The method and apparatus allow a pair of spliced electrical cables to be used in an adverse environment.
Type:
Grant
Filed:
October 26, 2010
Date of Patent:
July 3, 2012
Assignee:
M.C. Miller Co.
Inventors:
Albert J. Hilberts, James Miller, James H. Muir
Abstract: The present invention includes systems, methods and apparatus for continuously, independently and in some cases remotely monitoring the operation of a current interrupter used to test a cathodic protection system, or the cathodic protection system itself, for verification of proper operation. Embodiments of the invention include electronic devices that may be temporarily attached to a current interrupter that is being used to test a cathodic protection system, or directly to the cathodic protection system itself. Embodiments of the invention monitor the activity of an interrupter by sampling the output (voltage and time) to identify the cycle(s) of the interrupter. The invention provides truly independent verification since it does not need to know in advance the sequence or cycle times of the current interrupter being monitored. The information obtained by the invention is output so that it may be provided to a user, displayed, downloaded or stored for future reference.
Type:
Grant
Filed:
March 14, 2008
Date of Patent:
March 8, 2011
Assignee:
M.C. Miller Co.
Inventors:
Melvin C. Miller, Marcelo Jakubzick, Juan Pablo Gutierrez