Patent ID: 9476754
Filing Date: 2016-10-25
CPC Classification: B65D,B82Y,C09D,C10G,F16L,G01F,Y10T

Claim Text:
1. A method for treating cooperating surfaces of an elongated stainless steel tube and a float carrier of a digital level sensor utilized in a crude oil service operation comprising the steps of cleaning the outer surface of said tube and an inner cooperating surface of said float carrier to remove surface contamination; drying said cleaned surfaces of said tube and said float carrier; applying a coat of a Self-Assembled Monolayer of Phosphonate (SAMP) composition to said cleaned and dried surfaces of said tube and float carrier to form treated components; and installing said treated components into a section of a crude oil service operation, said coating reducing paraffin/asphaltene deposition on said treated components.