DONALD MICHAEL HOWARD
Pilots at Triway Ln, Houston, TX
License number
Texas A4753360
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
2818 Triway Ln, Houston, TX 77043
Professional information
Cathodic Protection Method And Apparatus
US Patent:
7967959, Jun 28, 2011
Filed:
Apr 24, 2009
Appl. No.:
12/429969
Inventors:
Donald Paul Howard - Houston TX, US
Assignee:
Diamond Offshore Drilling, Inc. - Houston TX
International Classification:
C23F 13/04
US Classification:
20419618, 20419623, 20419624, 20419625, 20419637, 204404, 205724, 205730, 205740, 2057755
Abstract:
A cathodic protection system for use in an electrolyte includes a protected structure to be at least partially immersed in the electrolyte, at least one sacrificial anode to be at least partially immersed in the electrolyte and electrically connected to the protected structure, and a substantially impermeable barrier disposed between the at least one sacrificial anode and the electrolyte.
Riser Floatation With Anti-Vibration Strakes
US Patent:
8443896, May 21, 2013
Filed:
Jun 3, 2010
Appl. No.:
12/793183
Inventors:
Donald Paul Howard - Houston TX, US
Alan Hugh Summers - Houston TX, US
Harris A. Reynolds - Houston TX, US
Kati Rachelle Andrus - Houston TX, US
Alan Hugh Summers - Houston TX, US
Harris A. Reynolds - Houston TX, US
Kati Rachelle Andrus - Houston TX, US
Assignee:
Diamond Offshore Drilling, Inc. - Houston TX
International Classification:
E21B 7/12
US Classification:
166345, 166367, 405216
Abstract:
A substantially cylindrical buoyancy module for a marine riser includes a plurality of buoyancy elements separated along at least one helical separation plane.
Riser Floatation With Anti-Vibration Strakes
US Patent:
2013009, Apr 18, 2013
Filed:
Dec 7, 2012
Appl. No.:
13/708367
Inventors:
Donald Paul Howard - Houston TX, US
Alan Hugh Summers - Houston TX, US
Kati Rachelle Andrus - Houston TX, US
Alan Hugh Summers - Houston TX, US
Kati Rachelle Andrus - Houston TX, US
International Classification:
E21B 17/01
US Classification:
441133
Abstract:
A substantially cylindrical buoyancy module for a marine riser includes a plurality of buoyancy elements separated along at least one helical separation plane.