LexDanaLexDanabeta
Inventor

William Ernest Clark

Inventor
Oklahoma City, OK, US

Overview

3→
Patents
2011–2014
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
8,646,529'Method and system for treating a subterranean formation using diversion'20148,220,543'Method and system for treating a subterranean formation using diversion'20127,934,556'Method and system for treating a subterranean formation using diversion'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2014Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (3)· patent assignee history
2011–2014Based in Oklahoma City, OK, US· patent location history
2012–2014Patents assigned to BENTLEY DOUG (2)· patent assignee history
2012–2014Patents assigned to CLARK WILLIAM ERNEST (2)· patent assignee history
2012–2014Patents assigned to DANIELS JOHN (2)· patent assignee history
2012–2014Patents assigned to FREDD CHRISTOPHER N (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP32011–2014
BENTLEY DOUG22012–2014
CLARK WILLIAM ERNESTself22012–2014
DANIELS JOHN22012–2014
FREDD CHRISTOPHER N22012–2014
Locations
LocationPatentsSpan
Oklahoma City, OK, US32011–2014