Michael D Ezell

US Patent:

20180038192, Feb 8, 2018

Filed:

Mar 19, 2015

Appl. No.:

15/548410

Inventors:

- Houston TX, US
Gary Joe MAKOWIECKI - Spring TX, US
Michael Dale EZELL - Carrollton TX, US

International Classification:

E21B 33/128

Abstract:

A wellbore isolation device includes an elongate body and a packer assembly disposed about the elongate body and including upper and lower sealing elements positioned axially between an upper shoulder and a lower shoulder, a spacer interposing the upper and lower sealing elements and having an annular body that provides an upper end, a lower end, and a recessed portion extending between the upper and lower ends. An upper cover sleeve is coupled to the upper shoulder, and a lower cover sleeve is coupled to the lower shoulder. An upper support shoe has a lever arm extending over the upper sealing element and a jogged leg received within a gap defined between the upper cover sleeve and shoulder. A lower support shoe has a lever arm extending over the lower sealing element and a jogged leg received within a gap defined between the lower cover sleeve and shoulder.

US Patent:

20180023367, Jan 25, 2018

Filed:

Mar 19, 2015

Appl. No.:

15/547783

Inventors:

- Houston TX, US
Gary Joe MAKOWIECKI - Spring TX, US
Michael Dale EZELL - Carrollton TX, US

International Classification:

E21B 33/128
E21B 33/12

Abstract:

A packer assembly includes an elongate body, at least one sealing element disposed about the elongate body, and a shoulder disposed about the elongate body and positioned axially adjacent the at least one sealing element. A cover sleeve is coupled to an outer surface of the shoulder. An annular support shoe has a jogged leg, a lever arm, and a fulcrum section that extends between and connects the jogged leg to the lever arm. The jogged leg is received within a gap defined between the cover sleeve and the shoulder, and the lever arm extends axially over a portion of the sealing element.

US Patent:

20180016859, Jan 18, 2018

Filed:

Mar 19, 2015

Appl. No.:

15/542920

Inventors:

- Houston TX, US
Gary Joe MAKOWIECKI - Spring TX, US
Michael Dale EZELL - Cassville MO, US

International Classification:

E21B 23/06
E21B 33/128
E21B 33/12
E21B 34/06
E21B 33/134
E21B 33/129

Abstract:

A packer assembly includes an elongate body, an upper shoulder and a lower shoulder each disposed about the elongate body, and an upper sealing element and a lower sealing element each disposed about the elongate body and positioned axially between the upper and lower shoulders. A spacer interposes the upper and lower sealing elements and has an annular body that provides an upper end, a lower end, and a recessed portion extending between the upper and lower ends. A diameter of the annular body at the upper and lower ends is greater than the diameter at the recessed portion.