Patents Assigned to CDI Energy Products
  • Hydrolytically degradable composition
    Patent number: 10752824
    Abstract: Disclosed are time controlled, hydrolytically degradable compositions that include a polyurethane; precipitated silica, carbon black, or a combination thereof; an organic acid adapted to facilitate degradation when the composition is contacted with water; a stabilizer; a first crosslinking agent; and an optional co-agent. The composition is adapted to degrade over a predetermined time period upon contact with water at a pH ranging from 5 to 8 and at a temperature ranging from 100° F. to 250° F.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: August 25, 2020
    Assignee: CDI Energy Products, Inc.
    Inventors: Xuan Fu, Frederick Bligh Pippert
  • DOWNHOLE SEALING ASSEMBLY
    Publication number: 20140262209
    Abstract: A sealing assembly for sealing an annulus in a downhole application including a sealing ring and a deflecting ring axially aligned between axially opposed mesh back-ups, each of the sealing ring and the deflecting ring defining a first ramped end, the first ramped ends facing each other such that an axial set force applied to the deflecting ring deflects the sealing ring radially outward forcing the sealing ring into a side-by-side arrangement with the deflecting ring to fill and seal the annulus.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 18, 2014
    Applicant: CDI Energy Products
    Inventors: Lee Shek, Hung Thai Nguyen