| Measuring permeability anisotropy: The latest approach C Ayan, N Colley, G Cowan, E Ezekwe, P Goode, F Halford, J Joseph, ... Oilfield Review;(Netherlands) 6 (4), 1994 | 91 | 1994 |
| Method and system and program storage device for generating an SWPM-MDT workflow in response to a user objective and executing the workflow to produce a reservoir response model C Ayan, R Banerjee, O Gurpinar US Patent 7,725,302, 2010 | 83 | 2010 |
| Characterizing permeability with formation testers C Ayan, H Hafez, S Hurst, F Kuchuk, A O’Callaghan, J Peffer, J Pop, ... Oilfield Review 13 (3), 2-23, 2001 | 79 | 2001 |
| Formation treatment evaluation C Ayan, FJ Kuchuk, TS Ramakrishnan, TJ Neville, R Ramamoorthy, ... US Patent 9,051,822, 2015 | 78 | 2015 |
| Diffusion model coupled with the Flory–Huggins–Zuo equation of state and Yen–Mullins model accounts for large viscosity and asphaltene variations in a reservoir undergoing … JY Zuo, R Jackson, A Agarwal, B Herold, S Kumar, ID Santo, H Dumont, ... Energy & Fuels 29 (3), 1447-1460, 2015 | 63 | 2015 |
| The Power of Real-Time Monitoring and Interpretation in Wireline Formation Testing—Case Studies H Elshahawi, M Hashem, D McKinney, M Ardila, C Ayan SPE Reservoir Evaluation & Engineering 10 (03), 241-250, 2007 | 56 | 2007 |
| A new pressure/rate deconvolution algorithm to analyze wireline formation tester and well-test data E Pimonov, C Ayan, M Onur, F Kuchuk SPE Annual Technical Conference and Exhibition?, SPE-123982-MS, 2009 | 55 | 2009 |
| Formation fluid sampling tools and methods utilizing chemical heating REG Van Hal, A Goodwin, OC Mullins, PS Hegeman, B Raghuraman, ... US Patent 7,886,825, 2011 | 46 | 2011 |
| Method for validating a downhole connate water sample OC Mullins, M Hodder, C Ayan, Y Zhu, P Rabbito US Patent 6,729,400, 2004 | 44 | 2004 |
| Adjustable testing tool and method of use R Vasques, GA Ribeiro, C Ayan, N Adur, AR Pedersen, A Castilho US Patent 9,316,083, 2016 | 43 | 2016 |
| Tool and method for determining formation parameter C Ayan, FJ Kuchuk, TS Ramakrishnan, TJ Neville, R Ramamoorthy, ... US Patent 8,297,354, 2012 | 36 | 2012 |
| Systems and methods for downhole fluid compatibility PS Hegeman, ARH Goodwin, M Muhammad, R Vasques, C Ayan, ... US Patent 7,614,294, 2009 | 34 | 2009 |
| Single-well in-situ measurement of residual oil saturation after an EOR chemical flood S Arora, D Horstmann, P Cherukupalli, J Edwards, R Ramamoorthy, ... SPE EOR Conference at Oil & Gas West Asia, 2010 | 31 | 2010 |
| Estimation of Formation Properties Using Multiprobe Formation Tester in Layered Reservoirs H Badaam, S Al-Matroushi, N Young, C Ayan, M Mihcakan, FJ Kuchuk Abu Dhabi International Petroleum Exhibition and Conference, SPE-49529-MS, 1998 | 31 | 1998 |
| Adjustable Testing Tool and Method of Use R Vasques, GA Ribeiro, C Ayan, N Adur, AR Pedersen, A Castilho US Patent App. 11/693,147, 2008 | 29 | 2008 |
| Predicting and preventing wellbore instability: Tullich field development, North Sea KA Russell, C Ayan, NJ Hart, JM Rodriguez, H Scholey, C Sugden, ... SPE Drilling & Completion 21 (01), 12-22, 2006 | 24 | 2006 |
| Pressure-pressure deconvolution analysis of multiwell interference and interval pressure transient tests M Onur, C Ayan, FJ Kuchuk IPTC 2009: International Petroleum Technology Conference, cp-151-00096, 2009 | 23 | 2009 |
| Predicting and preventing wellbore instability using the latest drilling and logging technologies: Tullich Field Development, North Sea KA Russell, C Ayan, NJ Hart, JM Rodriguez, H Scholey, C Sugden, ... SPE Annual Technical Conference and Exhibition?, SPE-84269-MS, 2003 | 23 | 2003 |
| The effects of multiphase flow on the interpretation of pressure buildup tests C Ayan, WJ Lee SPE formation evaluation 3 (02), 459-466, 1988 | 22 | 1988 |
| Mapping and modeling large viscosity and asphaltene variations in a reservoir undergoing active biodegradation RR Jackson, JY Zuo, A Agarwal, B Herold, S Kumar, ID Santo, H Dumont, ... SPE Annual Technical Conference and Exhibition?, SPE-170794-MS, 2014 | 21 | 2014 |
