Bikash K. Sinha
67Patents
18h-index
64Co-inventors
87Inventor score
Filing activity: May 27, 1981 → Sep 13, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5838633A | Method for estimating formation in-situ stress magnitudes using a sonic borehole tool | Physics | 71 | Expired |
| US6351991B1 | Determining stress parameters of formations from multi-mode velocity data | Physics | 58 | Expired |
| US6614716B2 | Sonic well logging for characterizing earth formations | Physics | 55 | Expired |
| US5398215A | Identification of stress induced anisotropy in formations | Physics | 54 | Expired |
| US6714480B2 | Determination of anisotropic moduli of earth formations | Physics | 51 | Expired |
| US6714873B2 | System and method for estimating subsurface principal stresses from seismic reflection data | Physics | 48 | Expired |
| US5475650A | Measurement of nonlinear properties of formation using sonic borehole tool while changing pressure in borehole | Physics | 41 | Expired |
| US6904365B2 | Methods and systems for determining formation properties and in-situ stresses | Physics | 39 | Expired |
| US6611761B2 | Sonic well logging for radial profiling | Physics | 38 | Expired |
| US7042802B2 | Determination of stress characteristics of earth formations | Physics | 33 | Expired |
| US6718266B1 | Determination of dipole shear anisotropy of earth formations | Physics | 32 | Expired |
| US6510389B1 | Acoustic detection of stress-induced mechanical damage in a borehole wall | Physics | 24 | Expired |
| US4622854A | Rounded wall surface acoustic wave sensors | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4512198A | Surface acoustic wave sensors | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4419600A | Stress-compensated quartz resonators | Electricity | 20 | Expired |
| US4586382A | Surface acoustic wave sensors | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7529152B2 | Use of an effective tool model in sonic logging data processing | Physics | 18 | Expired |
| US4535631A | Surface acoustic wave sensors | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7516015B2 | System and method for detection of near-wellbore alteration using acoustic data | Physics | 14 | Expired |
| US7652950B2 | Radial profiling of formation mobility using horizontal and vertical shear slowness profiles | Physics | 12 | Active |
| US10138727B2 | Acoustic multi-modality inversion for cement integrity analysis | Physics | 12 | Active |
| US6111340A | Dual-mode thickness-shear quartz pressure sensors for high pressure and high temperature applications | Physics | 12 | Expired |
| US7660196B2 | Methods for processing dispersive acoustic waveforms | Physics | 12 | Expired |
| US4534223A | Surface acoustic wave sensors | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7257489B2 | Quadrupole acoustic shear wave logging while drilling | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.