| An improved drift-flux correlation for gas-liquid two-phase flow in horizontal and vertical upward inclined wells Y Liu, TA Tong, E Ozbayoglu, M Yu, E Upchurch Journal of Petroleum Science and Engineering 195, 107881, 2020 | 57 | 2020 |
| Experimental study of single taylor bubble rising in stagnant and downward flowing non-newtonian fluids in inclined pipes Y Liu, ER Upchurch, EM Ozbayoglu Energies 14 (3), 578, 2021 | 55 | 2021 |
| Computational fluid dynamics simulations of Taylor bubbles rising in vertical and inclined concentric annuli Y Liu, EM Ozbayoglu, ER Upchurch, S Baldino International Journal of Multiphase Flow 159, 104333, 2023 | 44 | 2023 |
| Experimental and Theoretical Studies on Taylor Bubbles Rising in Stagnant Non-Newtonian Fluids in Inclined Non-Concentric Annuli Y Liu, ER Upchurch, EM Ozbayoglu International Journal of Multiphase Flow 147, 103912, 2022 | 39 | 2022 |
| Method of determining fracture closure pressures in hydraulic fracturing of subterranean formations ER Upchurch US Patent 6,364,015, 2002 | 25 | 2002 |
| Analyzing Electric Submersible Pump Failures in the East Wilmington Field of California ER Upchurch SPE Annual Technical Conference and Exhibition, 1990 | 24 | 1990 |
| Gas Migration Model for Non-Newtonian Fluids under Shut-in Well Conditions Y Liu, ER Upchurch, EM Ozbayoglu, S Baldino, D Zheng, J Wang SPE/IADC International Drilling Conference and Exhibition, 2023 | 21 | 2023 |
| Design and Calculation of Process Parameters in Bullheading and Pressurized Mud Cap Drilling Y Liu, ER Upchurch, EM Ozbayoglu, S Baldino, J Wang, D Zheng SPE/IADC International Drilling Conference and Exhibition, 2023 | 18 | 2023 |
| Horizontal open hole well displacement practices: effect of various techniques on well productivity, operational complexity, and overall project economics SP Mathis, ML McCarter, G Schottle, ER Upchurch, M Gleason SPE/AAPG Western Regional Meeting, 2000 | 16 | 2000 |
| Geo-stopping with deep-directional-resistivity logging-while-drilling: A new method for wellbore placement with below-the-bit resistivity mapping ER Upchurch, MG Viandante, S Saleem, K Russell SPE Drilling & Completion 31 (04), 295-306, 2016 | 15 | 2016 |
| Flexible, Real-Time Tip-Screenout Fracturing Techniques as Applied in California and Alaska ER Upchurch SPE Western Regional Meeting, 1999 | 15 | 1999 |
| Expanding the range for predicting critical flow rates of gas wells producing from normally pressured waterdrive reservoirs ER Upchurch SPE production engineering 4 (03), 321-326, 1989 | 14 | 1989 |
| Analysis of measured bottomhole treating pressures during fracturing: Do not believe those calculated bottomhole pressures RG Keck, DF Reiter, KW Lynch, ER Upchurch SPE Annual Technical Conference and Exhibition, 2000 | 13 | 2000 |
| Investigation of Taylor bubble dynamics in annular conduits with counter-current flow Y Liu, T Mitchell, ER Upchurch, EM Ozbayoglu, S Baldino International Journal of Multiphase Flow 170, 2023 | 11 | 2023 |
| Geo-Stopping Using Deep Directional Resistivity LWD: A New Method for Well Bore Placement Using Below-the-Bit Resistivity Mapping ER Upchurch, S Saleem, K Russell, MG Viandante SPE/IADC Drilling Conference and Exhibition, 2015 | 11 | 2015 |
| Newly applied BHA elements contribute towards mainstreaming of coiled tubing drilling applications DD Gleitman, JR Hardin, CM Hightower, LL Gantt, BE Smith, ... IADC/SPE drilling conference, 1996 | 10 | 1996 |
| Well-scale experimental and numerical modeling studies of gas bullheading using fiber-optic DAS and DTS JL Tabjula, C Wei, J Sharma, OL Santos, Y Chen, M Kunju, M Almeida, ... Geoenergy Science and Engineering 225, 21, 2023 | 9 | 2023 |
| Blowout Prevention and Relief-Well Planning for the Wheatstone Big-Bore Gas-Well Project ER Upchurch, S Falkner, A House, C Nguyen, K Russell SPE Drilling & Completion 32 (03), 153-167, 2017 | 9 | 2017 |
| Blowout Prevention and Relief-Well Planning for the Wheatstone Big-Bore Gas-Well Project ER Upchurch, A Wilson Journal of Petroleum Technology 68 (11), 72-74, 2016 | 9 | 2016 |
| Under-Rig-Floor Openhole Logging in the Gulf of Thailand—Engineering Design of the Oil Industry's First Simultaneous Openhole Wireline Logging and Drilling Operation ER Upchurch, KS Graves SPE Drilling & Completion 25 (01), 102-112, 2010 | 8 | 2010 |
