Inventor
Frank F. Chang
Inventor
Sugar Land, TX, US
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere32%
E21BEarth or rock drilling26%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
F42BExplosive charges, e.g. for blasting, fireworks, ammunition8%
F42DBlasting8%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
G06FElectric digital data processing2%
G11BInformation storage based on relative movement between record carrier and transducer2%
PatentTitleYear
11,029,737Partitioning member, hard disk fixing mechanism and server20219,133,683'Chemically targeted control of downhole flow control devices'20159,109,440'Estimating diffusion coefficient for a reservoir stimulation fluid'20157,984,761'Openhole perforating'20117,878,246'Methods of perforation using viscoelastic surfactant fluids and associated compositions'20117,845,410'Openhole perforating'20107,589,050'Composition comprising a fully dissolved non-HF fluoride source and method for treating a subterranean formation'20097,451,819'Openhole perforating'20087,288,505'Fluid system having controllable reversible viscosity'20077,192,908'Composition and method for treating a subterranean formation'20077,182,138'Reservoir communication by creating a local underbalance and using treatment fluid'20077,119,050'Fluid system having controllable reversible viscosity'20067,036,594'Controlling a pressure transient in a well'20067,028,775'Compositions and methods for treating a subterranean formation'20066,929,070'Compositions and methods for treating a subterranean formation'20056,924,255'Composition and method for treating a subterranean formation'20056,806,236'Composition and method for treating a subterranean formation'20046,667,280'Fluid system having controllable reversible viscosity'20036,637,517'Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations'20036,638,896'Fluids and techniques for hydrocarbon well completion'20036,435,277'Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations'20026,399,546'Fluid system having controllable reversible viscosity'20026,342,467'Method and composition for controlling fluid loss in high permeability hydrocarbon bearing formations'20026,165,947'Method and composition for controlling fluid loss in high permeability hydrocarbon bearing formations'20006,140,277'Fluids and techniques for hydrocarbon well completion'20005,981,447'Method and composition for controlling fluid loss in high permeability hydrocarbon bearing formations'19995,979,557'Methods for limiting the inflow of formation water and for stimulating subterranean formations'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2015Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (24)· patent assignee history
1999–2011Based in Sugar Land, TX, US· patent location history
2011–2015Based in Al-Khobar, SA· patent location history
2015Patents assigned to ALI ATHAR (1)· patent assignee history
2015Patents assigned to CHANG FRANK F (1)· patent assignee history
2015Patents assigned to CHEN KUO-CHIANG (1)· patent assignee history
2021Patents assigned to CHENBRO MICOM CO LTD (1)· patent assignee history
2021Based in New Taipei, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 24 | 1999–2015 |
| ALI ATHAR | 1 | 2015 |
| CHANG FRANK Fself | 1 | 2015 |
| CHEN KUO-CHIANG | 1 | 2015 |
| CHENBRO MICOM CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sugar Land, Texas, US | 23 | 1999–2011 |
| Al-Khobar, SA | 3 | 2011–2015 |
| New Taipei, TW | 1 | 2021 |