Scott G Gordon

US Patent:

20150300135, Oct 22, 2015

Filed:

Nov 15, 2012

Appl. No.:

14/441146

Inventors:

- Houston TX, US
Scott Alistair Gordon - Frisco TX, US
Jack Gammill Clemens - Fairview TX, US

International Classification:

E21B 43/112

Abstract:

An apparatus and method for establishing communication between the interior of a downhole tubular string and a surrounding annulus is disclosed. A downhole perforator includes a perforator housing. An inner profile of the perforator housing has a first section having a first diameter and a second section having a second diameter, where the first diameter and the second diameter are different. The downhole perforator also includes a mandrel slidably disposed within the perforator housing having an upper connector coupled to a linear actuator. The mandrel also includes a slot. A penetrator is disposed within the slot and rotatably coupled to the mandrel. Additionally, a platform is disposed along a wall of the perforator housing and abuts the mandrel. A pivot pin is coupled to the perforator housing and interfaces with the penetrator and rotates the penetrator about the mandrel.

US Patent:

20150176346, Jun 25, 2015

Filed:

Dec 19, 2012

Appl. No.:

14/369392

Inventors:

- Houston TX, US
Martin Buchan - Perth, AU
David Russ Larimore - Dallas TX, US
Nivea Boechat Dos Santos Gloria - Rio de Janeiro, BR
Gustavo Cervo - Rio de Janeiro, BR
Scott Winfield Davis - Houston TX, US
Scott Alistair Gordon - Frisco TX, US
Mark James Klein - Rio de Janeiro, BR
Marc Gerard Paquette - Houston TX, US

Assignee:

SHELL OIL COMPANY - Houston TX

International Classification:

E21B 19/00
E21B 17/00
E21B 19/15
E21B 17/01

Abstract:

A method for wireline intervention in subsea well from a floating vessel.