| Fast heterodyne optical phase-lock loop using double quantum well laser diodes RT Ramos, AJ Seeds Electronics letters 28 (1), 82-83, 1992 | 231 | 1992 |
| Production and wetting properties of fluorinated diamond-like carbon coatings RS Butter, DR Waterman, AH Lettington, RT Ramos, EJ Fordham Thin Solid Films 311 (1-2), 107-113, 1997 | 170 | 1997 |
| Delay, linewidth and bandwidth limitations in optical phase-locked loop design RT Ramos, AJ Seeds Electronics Letters 26 (6), 389-391, 1990 | 128 | 1990 |
| Method and apparatus for logging a well using a fiber optic line and sensors R Ramos, N Leggett US Patent 7,900,699, 2011 | 118 | 2011 |
| Tagged particles for downhole application RT Ramos, I Cooper, JE Brown US Patent App. 12/240,607, 2009 | 109 | 2009 |
| Separation of oil-well fluid mixtures RT Ramos, BE Theron, AJ Reischer, WF Murphy, ID Bryant, DJ Wilkinson US Patent 6,719,048, 2004 | 82 | 2004 |
| Optical injection locking and phase-lock loop combined systems RT Ramos, P Gallion, D Erasme, AJ Seeds, A Bordonalli Optics letters 19 (1), 4-6, 1994 | 79 | 1994 |
| Cable connection to sensors in a well RT Ramos, WA Wijnberg, CJM Chouzenoux, SMO Montillet US Patent 6,446,723, 2002 | 71 | 2002 |
| Methods and apparatus utilizing a derivative of a fluorescene signal for measuring the characteristics of a multiphase fluid flow in a hydrocarbon well X Wu, OC Mullins, R Gaylor, RT Ramos, K Stephenson US Patent 6,075,611, 2000 | 67 | 2000 |
| Multiple mode pre-loadable fiber optic pressure and temperature sensor J Shah, R Schroeder, P Dryden, R Ramos, R Madhavan US Patent 6,898,339, 2005 | 64 | 2005 |
| Technique and system for measuring a characteristic in a subterranean well RJ Schroeder, J Tarvin, RT Ramos, GA Brown US Patent 6,751,556, 2004 | 64 | 2004 |
| Apparatus and tool using tracers and singles point optical probes for measuring characteristics of fluid flow in a hydrocarbon well and methods of processing resulting signals RT Ramos, K Stephenson US Patent 6,016,191, 2000 | 64 | 2000 |
| Multi-phase-fluid discrimination with local fibre-optical probes: I. Liquid/liquid flows EJ Fordham, A Holmes, RT Ramos, S Simonian, SM Huang, CP Lenn Measurement Science and Technology 10 (12), 1329, 1999 | 63 | 1999 |
| Fluid flow measurement using optical fibres R Ramos US Patent 7,430,903, 2008 | 60 | 2008 |
| Methods and systems to activate downhole tools with light DR Smith, RT Ramos, AH Hartog, V Vaynshteyn US Patent 7,854,267, 2010 | 57 | 2010 |
| Thermally insensitive pressure measurements up to 300 degree C using fiber Bragg gratings written onto side hole single mode fiber T Yamate Fourteenth International Conference on Optical Fiber Sensors 4185, 38-41, 2000 | 55 | 2000 |
| Method and apparatus for logging a well using a fiber optic line and sensors R Ramos, N Leggett US Patent App. 13/024,490, 2011 | 53 | 2011 |
| Coded optical emission particles for subsurface use RT Ramos US Patent App. 11/863,598, 2009 | 51 | 2009 |
| Methods and apparatus for mechanically enhancing the sensitivity of transversely loaded fiber optic sensors RJ Schroeder, T Yamate, RT Ramos, R Madhavan, E Udd US Patent 6,218,661, 2001 | 51 | 2001 |
| Borehole telemetry system I Atkinson, Y Chen, A Hartog, F Monmont, R Ramos, R Schroeder, ... US Patent 9,000,942, 2015 | 50 | 2015 |
Alwyn SeedsUniversity College LondonПотвърден имейл адрес: ucl.ac.uk