Inventor
Sheng Chang
Inventor
Sugar Land, TX, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Bprimary
H01BCables32%
G02BOptical elements, systems or apparatus16%
E21BEarth or rock drilling12%
Y10TTechnical subjects covered by former us classification8%
D07BRopes or cables in general4%
F16LPipes4%
H01RElectrically-conductive connections4%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines4%
B05DProcesses for applying fluent materials to surfaces, in general2%
C23CCoating metallic material2%
PatentTitleYear
10,854,354Downhole cables and methods of making the same202010,738,577Methods and cables for use in fracturing zones in a well202010,636,718Inorganic packaging module having a chip encapsulated therein202010,487,616Packoff seals and processes for using same201910,468,156Cables with polymeric jacket layers201910,304,589Downhole cables and methods of making the same201910,297,365Cables with polymeric jacket layers201910,262,770Method of making a cable201910,087,717Dual use cable with fiber optics for use in wellbore operations201810,062,476High power opto-electrical cable with multiple power and telemetry paths201810,037,836Slickline manufacturing techniques201810,001,613Methods and cables for use in fracturing zones in a well20189,959,953Torque-balanced electrical cable20189,859,037'Downhole cables and methods of making the same'20189,767,938'Cables and methods of making cables'20179,679,677'Cable'20179,638,021'Pump deployment via cable'20179,496,075'Wireline cables not requiring seasoning'20169,412,492'Torque-balanced, gas-sealed wireline cables'20168,969,726'Torque-balanced electrical cable'20158,901,425'Wireline cables not requiring seasoning'20148,069,879'Hydrocarbon application hose'20117,730,936'Active cable for wellbore heating and distributed temperature sensing'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2020Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (22)· patent assignee history
2010–2020Based in Sugar Land, TX, US· patent location history
2011–2016Patents assigned to CHANG SHENG (4)· patent assignee history
2011–2016Patents assigned to VARKEY JOSEPH (4)· patent assignee history
2014–2015Patents assigned to PROTASOV VADIM (2)· patent assignee history
2014–2016Patents assigned to YUN JUSHIK (2)· patent assignee history
2020Based in Fuishan, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 22 | 2010–2020 |
| CHANG SHENGself | 4 | 2011–2016 |
| VARKEY JOSEPH | 4 | 2011–2016 |
| PROTASOV VADIM | 2 | 2014–2015 |
| YUN JUSHIK | 2 | 2014–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sugar Land, Texas, US | 22 | 2010–2020 |
| Fuishan, TW | 1 | 2020 |