Inventor
Gary John Tustin
Inventor
Sawston, GB
Overview
Patents· 51 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 elsewhere41%
E21BEarth or rock drilling19%
C07CAcyclic or carbocyclic compounds5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G01VGeophysics3%
B01FMixing, e.g. dissolving, emulsifying or dispersing2%
C04BLime, magnesia2%
C08LCompositions of macromolecular compounds2%
PatentTitleYear
10,240,083Thickening of fluids20199,950,952Methods for servicing subterranean wells20189,857,487'Solid marine seismic streamers'20189,523,667'Electrochemical sensor system'20169,334,438'Polymer delivery in well treatment applications'20169,290,689'Use of encapsulated tracers'20169,268,049'Seismic acquisition using solid streamers'20168,904,857'Downhole sampling'20148,846,582'Solvent assisted oil recovery'20148,785,355'Viscoelastic compositions'20148,695,708'Method for treating subterranean formation with degradable material'20148,688,383'Forecasting asphaltic precipitation'20148,596,354'Detection of tracers used in hydrocarbon wells'20138,555,969'Methods and apparatus to change the mobility of formation fluids using thermal and non-thermal stimulation'20138,517,102'Provision of viscous compositions below ground'20138,393,395'Use of encapsulated chemical during fracturing'20138,342,241'Delivery of nanodispersions below ground'20138,252,730'Wellbore treatment fluid'20128,122,959'Methods and materials for zonal isolation'20128,109,140'Downhole sampling apparatus and method for using same'20128,043,999'Stabilizing biphasic concentrates through the addition of small amounts of high molecular weight polyelectrolytes'20118,044,000'Polymer delivery in well treatment applications'20118,016,040'Fluid loss control'20117,987,912'Reversible polymeric gelation for oilfield applications'20117,975,764'Emulsion system for sand consolidation'20117,950,459'Using a biphasic solution as a recyclable coiled tubing cleanout fluid'20117,878,243'Method and apparatus for sampling high viscosity formation fluids'20117,858,562'Powder composition'20107,858,563'Wellbore treatment with hydrocarbon-responsive fluid containing oligomeric viscoelastic surfactant'20107,819,191'Method of fracturing a coalbed gas reservoir'20107,804,598'High power acoustic resonator with integrated optical interfacial elements'20107,748,452'Polymeric microspheres as degradable fluid loss additives in oilfield applications'20107,703,521'Polymeric microspheres as degradable fluid loss additives in oilfield applications'20107,703,527'Aqueous two-phase emulsion gel systems for zone isolation'20107,670,995'Viscoelastic wellbore treatment fluid'20107,655,604'Process of hydraulic fracturing using a viscoelastic wellbore fluid'20107,576,043'Viscoelastic wellbore fluid comprising an anionic surfactant'20097,410,934'Aqueous viscoelastic fluid'20087,399,731'Electrically conductive non-aqueous wellbore fluid'20087,343,978'Scale dissolver fluid'20087,238,649'Powder composition'20077,196,041'Surfactant comprising alkali metal salt of 2-methyl oleic acid or 2-ethyl oleic acid'20077,156,177'Scale dissolver fluid'20077,094,736'Sampling of hydrocarbons from geological formations'20066,920,928'Method for water control'20056,881,709'Viscosity reduction of viscoelastic surfactant based fluids'20056,803,348'Hydrophobically modified polymers for water control'20046,433,075'Surfactant based gelling composition for wellbore service fluids'20026,232,274'Viscoelastic surfactant based gelling composition for wellbore service fluids'20016,194,356'Gelling composition for wellbore service fluids'20016,145,592'Gelling polymers for wellbore service fluids'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2019Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (47)· patent assignee history
2000–2014Based in Cambridge, GB· patent location history
2006–2019Based in Sawston, GB· patent location history
2008–2018Based in Cambridgeshire, GB· patent location history
2012–2019Patents assigned to TUSTIN GARY JOHN (12)· patent assignee history
2013–2016Patents assigned to TUSTIN GARY (6)· patent assignee history
2013–2016Patents assigned to HUGHES TREVOR (5)· patent assignee history
2013–2019Patents assigned to LAFITTE VALERIE (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 47 | 2000–2019 |
| TUSTIN GARY JOHNself | 12 | 2012–2019 |
| TUSTIN GARYself | 6 | 2013–2016 |
| HUGHES TREVOR | 5 | 2013–2016 |
| LAFITTE VALERIE | 5 | 2013–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sawston, GB | 37 | 2006–2019 |
| Cambridge, GB | 11 | 2000–2014 |
| Cambridgeshire, GB | 3 | 2008–2018 |