Thomas B. Dellinger
16Patents
11h-index
9Co-inventors
57Inventor score
Filing activity: Apr 4, 1979 → Mar 11, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4384625A | Reduction of the frictional coefficient in a borehole by the use of vibration | Fixed Constructions | 150 | Expired |
| US4384616A | Method of placing pipe into deviated boreholes | Fixed Constructions | 81 | Expired |
| US4386665A | Drilling technique for providing multiple-pass penetration of a mineral-bearing formation | Fixed Constructions | 78 | Expired |
| US4754819A | Method for improving cuttings transport during the rotary drilling of a wellbore | Fixed Constructions | 75 | Expired |
| US4577701A | System of drilling deviated wellbores | Fixed Constructions | 53 | Expired |
| US4697651A | Method of drilling deviated wellbores | Fixed Constructions | 44 | Expired |
| US4428441A | Method and apparatus for reducing the differential pressure sticking tendency of a drill string | Fixed Constructions | 35 | Expired |
| US4384483A | Preventing buckling in drill string | Fixed Constructions | 32 | Expired |
| US4573540A | Method for drilling deviated wellbores | Fixed Constructions | 28 | Expired |
| US4373592A | Rotary drilling drill string stabilizer-cuttings grinder | Fixed Constructions | 27 | Expired |
| US4577700A | Method and system for displacing drilling fluid from a drill string in a well drilling system | Fixed Constructions | 11 | Expired |
| US4431068A | Extended reach drilling method | Fixed Constructions | 11 | Expired |
| US4646855A | Method for raising and lowering a drill string in a wellbore during drilling operations | Fixed Constructions | 11 | Expired |
| US4643264A | Method for reducing drilling torque in the drilling of a deviated wellbore | Fixed Constructions | 8 | Expired |
| US4246975A | Wellbore drilling technique using eccentric tool joints to mitigate pressure-differential sticking | Fixed Constructions | 5 | Expired |
| US4719977A | Method of drilling deviated wellbores | Fixed Constructions | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.