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Inventor

Craig D. Johnson

Inventor
Montgomery, TX, US

Overview

44→
Patents
2003–2020
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 44 as inventor

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

E21Bprimary
E21BEarth or rock drilling54%
A45CPurses24%
B25HWorkshop equipment, e.g. for marking-out work7%
A61FFilters implantable into blood vessels6%
F16LPipes5%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
10,550,670Expandable device for use in a well bore202010,053,963Expandable device for use in a well bore2018RE045244'Expandable tubing and method'20148,844,627'Intelligent well system and method'2014RE045099'Expandable tubing and method'2014RE045011'Expandable tubing and method'20148,776,876'Expandable device for use in a well bore'20148,474,526'Screen and method having a partial screen wrap'20138,397,804'Expandable device for use in a well bore'20138,230,913'Expandable device for use in a well bore'20128,091,631'Intelligent well system and method'20127,866,708'Joining tubular members'20117,681,640'Screen and method having a partial screen wrap'20107,493,959'Joining tubular members'20097,398,831'Expandable tubing and method'20087,397,388'Borehold telemetry system'20087,191,842'Collapse resistant expandables for use in wellbore environments'20077,185,709'Expandable tubing and method'20077,182,134'Intelligent well system and method'20077,168,486'Apparatus comprising expandable bistable tubulars and methods for their use in wellbores'20077,168,485'Expandable systems that facilitate desired fluid flow'20077,156,180'Expandable tubing and method'20077,134,501'Expandable sand screen and methods for use'20067,131,494'Screen and method having a partial screen wrap'20067,104,324'Intelligent well system and method'20067,086,476'Expandable devices and method'20067,055,609'Handling and assembly equipment and method'20067,048,052'Apparatus comprising expandable bistable tubulars and methods for their use in wellbores'20067,036,600'Technique for deploying expandables'20066,857,475'Apparatus and methods for flow control gravel pack'20056,848,510'Screen and method having a partial screen wrap'20056,817,410'Intelligent well system and method'20046,799,637'Expandable tubing and method'20046,789,621'Intelligent well system and method'20046,786,285'Flow control regulation method and apparatus'20046,772,836'Expandable tubing and method'20046,745,843'Base-pipe flow control mechanism'20046,719,064'Expandable completion system and method'20046,695,067'Wellbore isolation technique'20046,695,054'Expandable sand screen and methods for use'20046,688,397'Technique for expanding tubular structures'20046,679,334'Use of helically wound tubular structure in the downhole environment'20046,675,901'Use of helically wound tubular structure in the downhole environment'20046,648,071'Apparatus comprising expandable bistable tubulars and methods for their use in wellbores'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2014Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (35)· patent assignee history
2003–2020Based in Montgomery, TX, US· patent location history
2004Based in Montogomery, TX, US· patent location history
2006–2007Based in Letchworth, GB· patent location history
2012–2014Patents assigned to JOHNSON CRAIG D (8)· patent assignee history
2012–2014Patents assigned to BIXENMAN PATRICK W (6)· patent assignee history
2012–2014Patents assigned to HALLIBURTON ENERGY SERV INC (6)· patent assignee history
2012–2014Patents assigned to BESSELINK PETER (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP352003–2014
JOHNSON CRAIG Dself82012–2014
BIXENMAN PATRICK W62012–2014
HALLIBURTON ENERGY SERV INC62012–2014
BESSELINK PETER52012–2014
Locations
LocationPatentsSpan
Montgomery, Texas, US382003–2020
Letchworth, GB52006–2007
Montogomery, Texas, US12004