Alan B Coats

US Patent:

20160230488, Aug 11, 2016

Filed:

Nov 8, 2013

Appl. No.:

15/022894

Inventors:

- Houston TX, US
Alan Coats - Houston TX, US

International Classification:

E21B 29/06
E21B 7/06
E21B 17/00

Abstract:

A casing section comprising: a body comprising a wall; a window, wherein the window is an opening in the wall of the body; and a covering, wherein the covering: (A) is composed of a composite material; (B) is located on the outer surface of the body; (C) covers the window; and (D) spans at least a sufficient distance beyond the perimeter of the window such that the casing section has a desired pressure rating at the location of the window. A method of creating a lateral wellbore in a subterranean formation comprising: introducing a casing string into a wellbore, wherein the casing string comprises at least one casing section; drilling through at least a portion of the covering from the inside of the casing string to expose the window; and forming the lateral wellbore adjacent to the exposed window.