Inventor
James E. Griffith
Inventor
Loco, OK, US
Overview
Patents· 46 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 elsewhere30%
E21BEarth or rock drilling23%
C04BLime, magnesia20%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
B28CPreparing clay3%
B01DSeparation2%
B01FMixing, e.g. dissolving, emulsifying or dispersing1%
C10LFuels not otherwise provided for1%
PatentTitleYear
7,938,186'Casing shoes and methods of reverse-circulation cementing of casing'20117,621,336'Casing shoes and methods of reverse-circulation cementing of casing'20097,621,337'Casing shoes and methods of reverse-circulation cementing of casing'20097,503,399'Casing shoes and methods of reverse-circulation cementing of casing'20097,451,817'Methods of using casing strings in subterranean cementing operations'20087,409,991'Methods of using casing strings in subterranean cementing operations'20087,404,440'Methods of using casing strings in subterranean cementing operations'20087,401,646'Methods for reverse-circulation cementing in subterranean formations'20087,392,840'Method and means to seal the casing-by-casing annulus at the surface for reverse circulation cement jobs'20087,389,815'Methods for reverse-circulation cementing in subterranean formations'20087,322,412'Casing shoes and methods of reverse-circulation cementing of casing'20087,303,014'Casing strings and methods of using such strings in subterranean cementing operations'20077,303,008'Methods and systems for reverse-circulation cementing in subterranean formations'20077,290,611'Methods and systems for cementing wells that lack surface casing'20077,284,608'Casing strings and methods of using such strings in subterranean cementing operations'20077,259,130'Set-on demand, ester-based wellbore fluids and methods of using the same'20077,252,147'Cementing methods and systems for initiating fluid flow with reduced pumping pressure'20077,198,104'Subterranean fluids and methods of cementing in subterranean formations'20077,156,175'Methods of generating gas in well fluids'20077,040,419'Foamed compositions and methods of use in subterranean zones'20067,013,971'Reverse circulation cementing process'20066,852,676'Well completion foamed spacer fluids and methods'20056,716,282'Methods and oil-based settable spotting fluid compositions for cementing wells'20046,715,553'Methods of generating gas in well fluids'20046,668,927'Well completion foamed spacer fluids and methods'20036,668,929'Methods and oil-based settable spotting fluid compositions for cementing wells'20036,666,268'Methods and oil-based settable drilling fluid compositions for drilling and cementing wells'20036,619,399'Foamed compositions and methods of use in subterranean zones'20036,524,384'Oil-based settable spotting fluid'20036,523,610'Methods and apparatus for forming metal casings in well bores'20036,503,870'Sealing subterranean zones'20036,484,568'Apparatus and method for foaming fluids and for testing foamed fluids'20026,448,206'Sealing subterranean zones'20026,401,817'Sealing subterranean zones'20026,328,106'Sealing subterranean zones'20016,315,042'Oil-based settable spotting fluid'20016,138,759'Settable spotting fluid compositions and methods'20005,909,774'Synthetic oil-water emulsion drill-in fluid cleanup methods'19995,851,960'Method of performing well drilling operations with a foamable drilling fluid'19985,716,910'Foamable drilling fluid and methods of use in well drilling operations'19985,713,416'Methods of decomposing gas hydrates'19985,711,801'Cement compositions'19985,696,059'Methods of preventing well cement stress failure'19975,588,489'Lightweight well cement compositions and methods'19965,571,318'Well cementing methods and compositions for use in cold environments'19965,484,019'Method for cementing in a formation subject to water influx'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–1998Patents assigned to HALLIBURTON CO (7)· patent assignee history
1996–2011Based in Loco, OK, US· patent location history
1996–2007Based in Duncan, OK, US· patent location history
1997Patents assigned to MOBIL OIL CORP (1)· patent assignee history
1998–2011Patents assigned to HALLIBURTON ENERGY SERV INC (39)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERV INC | 39 | 1998–2011 |
| HALLIBURTON CO | 7 | 1996–1998 |
| MOBIL OIL CORP | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Loco, OK, US | 26 | 1996–2011 |
| Duncan, OK, US | 20 | 1996–2007 |