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:
Nov. 12, 2019
Filed:
Sep. 21, 2015
Halliburton Energy Services, Inc., Houston, TX (US);
Larry James Parmeter, Broken Arrow, OK (US);
Brett D. Leamy, Claremore, OK (US);
John Vanderstaay Kenner, Houston, TX (US);
David J. Lunk, Big Cabin, OK (US);
Keith Leon Johnson, Claremore, OK (US);
Thomas John Gottschalk, Houston, TX (US);
Wesley John Nowitzki, Broken Arrow, OK (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
An apparatus and system for sealing an electrical submersible pump (ESP) assembly are described. An ESP system includes a top portion of a seal section including a sand barrier portion defined by a sand barrier stop secured between the ESP intake and an adapter portion, the sand barrier portion including a sand barrier wedged between the sand barrier stop and the adapter portion, the adapter portion encasing a mechanical seal and secured between the sand barrier portion and a head portion, the head portion secured between the adapter portion and a seal section housing, the head portion including a thrust bearing and a thrust runner, wherein each of the thrust bearing and the thrust runner includes at least one pad having a diamond-like carbon (DLC) layer on an outer surface.