LexDanaLexDanabeta
Inventor

Roger Boulton

Inventor
Cape Town, ZA

Overview

7→
Patents
2001–2011
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling70%
C09KMaterials for miscellaneous applications, not provided for elsewhere30%
PatentTitleYear
8,011,446'Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell'20117,621,343'Steerable drilling system and method'20097,571,777'Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell'20097,225,879'Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell'20077,147,066'Steerable drilling system and method'20066,581,699'Steerable drilling system and method'20036,269,892'Steerable drilling system and method'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to DRESSER IND (1)· patent assignee history
2001Based in Aberdeenshire, GB· patent location history
2003–2011Patents assigned to HALLIBURTON ENERGY SERV INC (6)· patent assignee history
2003–2009Based in Mossel Bay, ZA· patent location history
2007–2011Based in Cape Town, ZA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC62003–2011
DRESSER IND12001
Locations
LocationPatentsSpan
Cape Town, ZA32007–2011
Mossel Bay, ZA32003–2009
Aberdeenshire, GB12001