Processing

Please wait...

Settings

Settings

Goto Application

1. WO2020204940 - DELAY COATING FOR WELLBORE ISOLATION DEVICE

Publication Number WO/2020/204940
Publication Date 08.10.2020
International Application No. PCT/US2019/026010
International Filing Date 05.04.2019
IPC
E21B 33/127 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
33Sealing or packing boreholes or wells
10in the borehole
12Packers; Plugs
127with inflatable sleeve
E21B 33/13 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
33Sealing or packing boreholes or wells
10in the borehole
13Methods or devices for cementing, for plugging holes, crevices, or the like
C09D 181/00 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
181Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers
Applicants
  • HALLIBURTON ENERGY SERVICES, INC. [US]/[US]
  • BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM [US]/[US]
Inventors
  • FRIPP, Michael Linley
  • ZHONG, Xiaoguang Allan
  • YANG, Kejia
  • VOIT, Walter
  • LEE, Nelson Yan Loo
  • TAN, Yong Dai
  • CHEE, Bing Hong
  • WONG, Ee Wen
Agents
  • TOBIN, Michael Joseph
  • TIDWELL, Mark
  • BORLAND, Harold
  • RAJ, Vinu
  • BECKER, Jeffrey
  • BROWN, Randall C.
  • CHEN, Tom
  • EDWARDS, Gary
  • EHMKE, Andrew S.
  • HERDA, Alan
  • JOHNSON, Dustin T.
  • LOWES, Andrew J.
  • MOORE, Mark
  • NICKOLS, Julie
  • O'DELL, David
  • SUAREZ, Vera
  • TU, Evert
  • WOLFSON, Jeffrey
  • HAMPTON, Phillip
  • RODDY, Craig
  • RICHARDSON, Scott
  • FITE, Benjamin
  • BRYSON, Alan C.
  • WUSTENBERG, John
  • VARGHESE, Kelvin
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DELAY COATING FOR WELLBORE ISOLATION DEVICE
(FR) REVÊTEMENT RETARD POUR DISPOSITIF D'ISOLATION DE PUITS DE FORAGE
Abstract
(EN)
A wellbore isolation device includes a mandrel, a sealing element disposed around at least a portion of the mandrel, and a delay coating disposed on at least a portion of an outer surface of the sealing element. The sealing element includes a swellable material and the delay coating covers a cross-linked polymer. The delay coating is configured to swell or degrade in a wellbore fluid.
(FR)
L'invention concerne un dispositif d'isolation de puits de forage qui comprend un mandrin, un élément d'étanchéité disposé autour d'au moins une partie du mandrin, et un revêtement retard disposé sur au moins une partie d'une surface extérieure de l'élément d'étanchéité. L'élément d'étanchéité comprend un matériau gonflable et le revêtement retard recouvre un polymère réticulé. Le revêtement retard est conçu pour gonfler ou se dégrader dans un fluide de puits de forage.
Latest bibliographic data on file with the International Bureau