Otto N. Fanini
92Patents
22h-index
114Co-inventors
91Inventor score
Filing activity: Jan 3, 1984 → Apr 24, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6218662A | Downhole carbon dioxide gas analyzer | Physics | 209 | Expired |
| US5781436A | Method and apparatus for transverse electromagnetic induction well logging | Fixed Constructions | 120 | Expired |
| US6044325A | Conductivity anisotropy estimation method for inversion processing of measurements made by a transverse electromagnetic induction logging instrument | Emerging Cross-Sectional Technologies | 111 | Expired |
| US5999883A | Conductivity anisotropy estimation method for inversion processing of measurements made by a transverse electromagnetic induction logging instrument | Fixed Constructions | 99 | Expired |
| US9506333B2 | One trip multi-interval plugging, perforating and fracking method | Fixed Constructions | 70 | Active |
| US6470274B1 | Water saturation and sand fraction determination from borehole resistivity imaging tool, transverse induction logging and a tensorial dual water saturation model | Physics | 61 | Expired |
| US6900640B2 | Method and apparatus for a multi-component induction instrument measuring system for geosteering and formation resistivity data interpretation in horizontal, vertical and deviated wells | Physics | 56 | Expired |
| US5854991A | Method for inversion processing of transverse electromagnetic induction well logging measurements | Fixed Constructions | 56 | Expired |
| US6529833B2 | Reservoir monitoring in a laminated reservoir using 4-D time lapse data and multicomponent induction data | Physics | 54 | Expired |
| US6627873B2 | Down hole gas analyzer method and apparatus | Physics | 54 | Expired |
| US6819111B2 | METHOD OF DETERMINING VERTICAL AND HORIZONTAL RESISTIVITY, AND RELATIVE DIP IN ANISOTROPIC EARTH FORMATIONS HAVING AN ARBITRARY ELECTRO-MAGNETIC ANTENNA COMBINATION AND ORIENTATION WITH ADDITIONAL ROTATION AND POSITION MEASUREMENTS | Physics | 54 | Expired |
| US6111409A | Nuclear magnetic reasonance fluid characterization apparatus and method for using with electric wireline formation testing instruments | Physics | 50 | Expired |
| US6586939B1 | Method and apparatus for reducing the effects of parasitic and galvanic currents in a resistivity measuring tool | Physics | 47 | Expired |
| US6493632B1 | Water saturation and sand fraction determination from borehole resistivity imaging tool, transverse induction logging and a tensorial water saturation model | Physics | 39 | Expired |
| US6677756B2 | Multi-component induction instrument | Physics | 38 | Expired |
| US5543715A | Method and apparatus for measuring formation resistivity through casing using single-conductor electrical logging cable | Physics | 38 | Expired |
| US6686736B2 | Combined characterization and inversion of reservoir parameters from nuclear, NMR and resistivity measurements | Physics | 37 | Expired |
| US6711502B2 | Water saturation and sand fraction determination from borehole resistivity imaging tool, transverse induction logging and a tensorial water saturation model | Physics | 33 | Expired |
| US6466872B1 | Method for determination of apparent resistivities of anisotropic reservoirs | Physics | 30 | Expired |
| US5600246A | Method and apparatus for reducing signal-phase error in induction well logging instruments | Physics | 29 | Expired |
| US6885947B2 | Method for joint interpretation of multi-array induction and multi-component induction measurements with joint dip angle estimation | Physics | 22 | Expired |
| US4641308A | Method of internal self-test of microprocessor using microcode | Electricity | 22 | Expired |
| US6734675B2 | Apparatus accurately measuring properties of a formation | Physics | 22 | Expired |
| US7463035B2 | Method and apparatus for the use of multicomponent induction tool for geosteering and formation resistivity data interpretation in horizontal wells | Physics | 21 | Expired |
| US5680049A | Apparatus for measuring formation resistivity through a conductive casing having a coaxial tubing inserted therein | Fixed Constructions | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.