Inventor
John Lassek
Inventor
Katy, TX, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling59%
C09KMaterials for miscellaneous applications, not provided for elsewhere23%
G05DSystems for controlling or regulating non-electric variables9%
F17DPipe-line systems5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
9,797,232'Method of propping agent delivery to the well'20179,447,673'Methods for providing proppant slugs in fracturing treatments'20169,316,087'Sealing by ball sealers'20169,212,535'Diversion by combining dissolvable and degradable particles and fibers'20159,034,802'Friction reduction fluids'20158,960,293'Method of propping agent delivery to the well'20158,936,085'Sealing by ball sealers'20158,646,529'Method and system for treating a subterranean formation using diversion'20148,220,543'Method and system for treating a subterranean formation using diversion'20128,167,043'Degradable material assisted diversion or isolation'20128,127,844'Method for oilfield material delivery'20127,934,556'Method and system for treating a subterranean formation using diversion'20117,775,278'Degradable material assisted diversion or isolation'20107,380,600'Degradable material assisted diversion or isolation'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2017Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (14)· patent assignee history
2008–2017Based in Katy, TX, US· patent location history
2012–2016Patents assigned to LASSEK JOHN (9)· patent assignee history
2012–2016Patents assigned to FREDD CHRISTOPHER N (5)· patent assignee history
2012–2015Patents assigned to BONEY CURTIS L (3)· patent assignee history
2015Patents assigned to ARIZA RICARDO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 14 | 2008–2017 |
| LASSEK JOHNself | 9 | 2012–2016 |
| FREDD CHRISTOPHER N | 5 | 2012–2016 |
| BONEY CURTIS L | 3 | 2012–2015 |
| ARIZA RICARDO | 2 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katy, Texas, US | 14 | 2008–2017 |