2018

• Foredrag
  Jahanbani Ghahfarokhi, Ashkan; Kleppe, Jon; Torsæter, Ole. (2018) In-depth reservoir placement of pH-sensitive polymer gels - Importance of geochemical reactions in numerical simulations. 80th EAGE Conference and Exhibition 2018
• Konferanseforedrag
  Islam, M. S.; Kleppe, Jon; Rahman, M. M.; Abbasi, F.. (2018) An Evaluation of IOR Potential for the Norne Field's E-Segment Using Low Salinity Water-Flooding: A Case Study. SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition
• Konferanseforedrag
  Cheng, Xiaoqian; Kleppe, Jon; Torsæter, Ole. (2018) Simulation Study of Surfactant Imbibition Mechanisms in Naturally Fractured Reservoirs. SPE Norway One Day Seminar
• Konferanseforedrag
  Cheng, Xiaoqian; Kleppe, Jon; Torsæter, Ole. (2018) Simulation Study of Effects of Surfactant Properties on Surfactant Enhanced Oil Recovery in Fractured Reservoirs. SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition,
• Konferanseforedrag
  Islam, M. S.; Kleppe, Jon; Abbassi, F.; Haque, F.. (2018) An Economic Feasibility Study of the Norne Field's E-Segment for Different Field Development Plans. SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition,

2017

• Konferanseforedrag
  Jahanbani Ghahfarokhi, Ashkan; Kleppe, Jon; Torsæter, Ole. (2017) Key Concepts in the Simulation Study of a New Polymer Gel System for Enhanced Oil Recovery. 79th EAGE Conference and Exhibition
• Konferanseposter
  Jahanbani Ghahfarokhi, Ashkan; Kleppe, Jon; Torsæter, Ole. (2017) Numerical Simulation of a Polymer Gel System for In-Depth Conformance Control. 9th International Conference on Porous Media & Annual Meeting (Interpore)
• Konferanseforedrag
  Khaledialidusti, Rasoul; Kleppe, Jon. (2017) Significance of the Kinetics of Minerals in Reactive-Transport Problems. SPE Europec featured at 79th EAGE Conference and Exhibition
• Konferanseforedrag
  Jahanbani Ghahfarokhi, Ashkan; Kleppe, Jon; Torsæter, Ole. (2017) A Comprehensive Simulation Study of Application of Polymer Gels for Enhancing Oil Recovery. Colloids and Complex fluids for Energies – C2E IFPEN
• Konferanseposter
  Jahanbani Ghahfarokhi, Ashkan; Kleppe, Jon; Torsæter, Ole. (2017) Numerical Simulation of pH-Sensitive Polymer Gel for In-Depth Conformance Control. Asia Petroleum and Geoscience Conference & Exhibition 2017
• Foredrag
  Mkinga, Oras Joseph; Hidayat, Dicky Haris; Kleppe, Jon; Ringrose, Philip. (2017) Integrated Reservoir Modeling (IRM) of the Atiart submarine canyon outcrops (Spain) to constrain the Decision Based Modeling (DBM) of SE Loppa High submarine canyon reservoir (Norway). Norwegian Petroleum Society conference on Reservoir Characterization

2016

• Foredrag
  Khaledialidusti, Rasoul; Kleppe, Jon. (2016) A New Automated Algorithm for Designing the Optimal Single-Well-Chemical-Tracer SWCT Tests At Various Reservoir Conditions. SPE Annual Technical Conference and Exhibition, 26-28 September, Dubai, UAE 2016
• Konferanseposter
  Jahanbani Ghahfarokhi, Ashkan; Kleppe, Jon; Torsæter, Ole. (2016) Investigation of Water Diversion by a Gel System for Enhancing Oil Recovery. IOR Norway 2016
• Konferanseposter
  Jahanbani Ghahfarokhi, Ashkan; Kleppe, Jon; Torsæter, Ole. (2016) Investigation of Water Diversion by a Novel Polymer Gel System for Enhancing Oil Recovery. 15th European Conference on the Mathematics of Oil Recovery (ECMOR XV)
• Konferanseforedrag
  Jahanbani Ghahfarokhi, Ashkan; Kleppe, Jon; Torsæter, Ole. (2016) Simulation study of application of a water diverting gel in enhanced oil recovery. SPE Europec featured at 78th EAGE Conference and Exhibition.

2015

• Foredrag
  Khaledialidusti, Rasoul; Kleppe, Jon; Skrettingland, Kjetil. (2015) Numerical Interpretation of Single Well Chemical Tracer (SWCT) Tests to Determine Residual Oil Saturation in Snorre Reservoir. Society of Petroleum Engineers. EUROPEC 2015, 01-04 June, Madrid, Spain
• Foredrag
  Khaledialidusti, Rasoul; Kleppe, Jon; Enayatpour, Saeid. (2015) Mechanistic Modeling of Alkaline/Surfactant/Polymer Floods Based on the Geochemical Reactions for Snorre Reservoir. SPE Reservoir Characterisation and Simulation Conference and Exhibition

2014

• Foredrag
  Bellout, Mathias Rodriguez; Foss, Bjarne Anton; Kleppe, Jon. (2014) Joint Well Placement and Control Optimization: Application to a North Sea Case with Horizontal Wells. ISAPP Consortium Meeting
• Foredrag
  Khaledialidusti, Rasoul; Kleppe, Jon; Enayatpour, Saeid. (2014) Evaluation and Comparison of Available Tracer Methods for Determining Residual Oil Saturation and Developing an Innovative Single Well Tracer Technique: Dual Salinity Tracer. IPTC, 10-12 December, 2014, Kuala Lumpur, Malaysia

2013

• Foredrag
  Jahanbani Ghahfarokhi, Ashkan; Kleppe, Jon. (2013) Study of Thermal Well Test Analysis for Vertical and Horizontal Steam Injection Wells with Application to Athabasca Heavy Oil. 2013 SPE Enhanced Oil Recovery Conference
• Konferanseforedrag
  Soroush, Mansour; Wessel-Berg, Dag; Kleppe, Jon. (2013) Effects of Wetting Behaviour on Residual Trapping in CO2-Brine Systems. SPE Western Regional & AAPG Pacific Section Meeting, 2013 Joint Technical Conference

2012

• Konferanseforedrag
  Jahanbani Ghahfarokhi, Ashkan; Jelmert, Tom Aage; Kleppe, Jon; Ashrafi, Mohammad; Souraki, Yaser; Torsæter, Ole. (2012) Investigation of the Applicability of Thermal Well Test Analysis in Steam Injection Wells for Athabasca Heavy Oil. EAGE Annual Conference & Exhibition Incorporating SPE Europec
• Konferanseforedrag
  Kleppe, Jon; Foss, Bjarne Anton. (2012) To Master the Rivers and Oceans of Information in Petroleum Exploration and Production. Big Data Analytics, 2012 Academic Days Conference
• Foredrag
  Jahanbani Ghahfarokhi, Ashkan; Jelmert, Tom Aage; Kleppe, Jon. (2012) Investigation of Thermal Well Test Analysis for Horizontal Wells in SAGD Process. 2012 SPE Annual Technical Conference and Exhibition (ATCE)
• Konferanseforedrag
  Rwechungura, Richard Wilfred; Bhark, Eric; Miljeteig, Ola Terjeson; Suman, A; Kourdounis, D; Foss, Bjarne Anton; Høier, Lars; Kleppe, Jon. (2012) Results of the First Norne Field Case on History Matching and Recovery Optimization Using Production and 4D Seismic Data. SPE Annual Technical Conference and Exhibition 2012
• Konferanseforedrag
  Kleppe, Jon. (2012) Perspectives from research and development on future technology in the petroleum area. Research for Development?

2011

• Foredrag
  Tjåland, Egil; Silva, Emidio da; Kleppe, Jon. (2011) Establishing Petroleum Education in Angola. SPE Conference on Higher Petroleum Education in Angola
• Foredrag
  Tjåland, Egil; Kleppe, Jon; Silva, Emidio da. (2011) Angola-Norway Higher Education Initiative. INTSOK Conference Luanda 2011
• Foredrag
  Foss, Bjarne Anton; Kleppe, Jon. (2011) To Master the Rivers and Oceans of Information. 2011 Transatlantic Science Week
• Foredrag
  Kleppe, Jon. (2011) IT som virkemiddel for innovasjon og for å fremme et kunnskapsbasert næringsliv. IBMs 100-årsmarkering
• Foredrag
  Kleppe, Jon; Tjåland, Egil. (2011) Internasjonalisering av små og mellomstore bedrifter. Topplederkonferansen
• Konferanseforedrag
  Bellout, Mathias Rodrigez; Ciaurri, David Echeverria; Durlofsky, Louis J.; Foss, Bjarne Anton; Kleppe, Jon. (2011) Joint Optimization of Oil Well Placement and Production Controls. Smart Fields 6th Annual Affiliate Meeting

2010

• Konferanseforedrag
  Rwechungura, Richard Wilfred; Suwartadi, Eka; Dadashpour, Mohsen; Kleppe, Jon; Foss, Bjarne Anton. (2010) The Norne Field Case - A Unique Comparative Case Study. SPE Intelligent Energy Conference

2009

• Foredrag
  Kleppe, Jon. (2009) Utfordringer for oljenasjonen Norge kommende 10 års-periode. Strategiseminar
• Konferanseforedrag
  Dadashpour, Mohsen; Echeverria-Ciaurri, David; Mukerji, Tapan; Kleppe, Jon; Landrø, Martin. (2009) A derivative-free approach for the estimation of porosity and permeability using time-lapse seismic and production data. 2009 Rose meeting
• Konferanseforedrag
  Dadashpour, Mohsen; Echeverria-Ciaurri, David; Mukerji, Tapan; Kleppe, Jon; Landrø, Martin. (2009) A Derivative-Free Approach for the Estimation of Porosity and Permeability Using Time-Lapse Seismic and Production Data. IO Workshop
• Konferanseforedrag
  Echeverria-Ciaurri, David; Dadashpour, Mohsen; Kleppe, Jon; Landrø, Martin; Mukerji, Tapan. (2009) A Derivative-Free Approach to the Inverse Modelling of an Oil Reservoir. 8th World Congress on Structural and Multidisciplinary Optimization (WCSMO-8)
• Konferanseforedrag
  Dadashpour, Mohsen; Echeverria-Ciaurri, david; Mukerji, Tapan; Kleppe, Jon; Landrø, Martin. (2009) Simple Zonation and Principal Component Analysis for Speeding Up Porosity and Permeability Estimation from 4D Seismic and Production Data. 71st EAGE Conference & Exhibition
• Konferanseforedrag
  Foss, Bjarne Anton; Kleppe, Jon. (2009) Closed-loop reservoir management and production optimization – an overview. 2010 ISAPP Conference at TU Delft
• Konferanseforedrag
  Tjåland, Egil; Kleppe, Jon; Silva, Emidio da; Fejerskov, Morten. (2009) Angola - Norway Higher Education Initiative (ANHEI). Developing a Strategy for Angola's Engineering Requirements
• Konferanseforedrag
  Dadashpour, Mohsen; Echeverria-Ciaurri, David; Mukerji, Tapan; Kleppe, Jon; Landrø, Martin. (2009) A Derivative-Free Approach to the Inverse Modeling of an Oil Reservoir. ISAPP-Symposium
• Konferanseforedrag
  Kleppe, Jon. (2009) The Norne Test Case. Stanford Smart Fields Workshop
• Konferanseforedrag
  Kleppe, Jon; Foss, Bjarne Anton; Lippe, Jon Knut. (2009) Samarbeid med utenlandske sentre. Forskningsrådets SFI-seminar

2008

• Konferanseforedrag
  Dadashpour, Mohsen; Echeverria-Ciaurri, David; Mukerji, Tapan; Kleppe, Jon; Landrø, Martin. (2008) Estimation of Porosity and Permeability from 4D-Seismic and Production Data Using PCA. SPE meeting
• Konferanseforedrag
  Dadashpour, Mohsen; Kleppe, Jon; Landrø, Martin. (2008) Porosity and permeability estimation using 4D seismic and production data. 2008 Rose meeting
• Konferanseforedrag
  Dadashpour, Mohsen; Kleppe, Jon; Landrø, Martin. (2008) Porosity and Permeability Estimation Using 4D Seismic and production Data. The Third Smart Fields Consortium Workshop
• Konferanseforedrag
  Kleppe, Jon. (2008) Academia’s View on Technology Development and NCS in Particular. SPE Petroleum Technology Conference
• Konferanseforedrag
  Dadashpour, Mohsen; Echeverria-Ciaurri, David; Mukerji, Tapan; Kleppe, Jon; Landrø, Martin. (2008) Integrating 4D seismic and production data for assisted history matching using principal component analysis. IO08 Science and Practice - Integrated Operations
• Konferanseforedrag
  Lippe, Jon Knut; Kleppe, Jon. (2008) Integrated Operations beyond 2020. Intelligent Fields and Integrated Operation
• Konferanseforedrag
  Dadashpour, Mohsen; Echeverria-Ciaurri, David; Mukerji, Tapan; Kleppe, Jon; Landrø, Martin. (2008) Estimation of Porosity and Permeability from 4D-Seismic and Production Data Using PCA. Smart Field Seminar

2007

• Konferanseforedrag
  Dadashpour, Mohsen; Landrø, Martin; Kleppe, Jon. (2007) Porosity and permeability estimation by gradient-based history matching using time-lapse seismic data. 15th SPE Middle East Oil and Gas Show
• Konferanseforedrag
  Dadashpour, Mohsen; Landrø, Martin; Kleppe, Jon. (2007) Non-linear inversion for estimating reservoir parameters from time-lapse seismic data. 2007 Rose meeting
• Konferanseforedrag
  Dadashpour, Mohsen; Kleppe, Jon; Landrø, Martin. (2007) Porosity and Permeability Estimation from Time-Lapse Seismic Data. IO-centre Workshop
• Foredrag
  Kleppe, Jon. (2007) Innovasjon - samarbeidet mellom IBM og NTNU. IBMs Kickoff-møte for Midt-Norge
• Konferanseforedrag
  Dadashpour, Mohsen; Kleppe, Jon; Landrø, Martin. (2007) Porosity and Permeability Estimation by Gradient-Based History Matching Using Time-Lapse Seismic Data. 15th SPE Middle East Oil & Gas Show
• Foredrag
  Kleppe, Jon. (2007) Technology and Development. NORAD/SIU´s 34th Vinterseminar
• Foredrag
  Kleppe, Jon. (2007) International Recruitment. INTSOK´s 10th Annual Meeting
• Foredrag
  Kleppe, Jon. (2007) Internasjonalisering av petroleumsutdanningen. Seminar, norske universitetsstyrerrepresentanter

2006

• Konferanseforedrag
  Dadashpour, Mohsen; Landrø, Martin; Kleppe, Jon. (2006) Non-linear Inversion for Estimating Reservoir Parameters from Time-Lapse Seismic Data. 2006 Rose meeting
• Konferanseforedrag
  Darvish, Gholam Reza; Lindeberg, Erik; Holt, Torleif; Utne, Svein Arild; Kleppe, Jon. (2006) Reservoir Conditions Laboratory Experiments of CO2 Injection into Fractured Core. SPE Europec/EAGE Annual Conference and Exhibition
• Konferanseforedrag
  Khan, Arif Ali; Guo, Ying; Wessel-Berg, Dag; Kleppe, Jon; Coombe, Dennis. (2006) Mobility Control Using Foam – Snorre FAWAG – Revisit. 2006 FORCE Seminar on Foam
• Konferanseforedrag
  Minh, Hoang Hai; Kleppe, Jon. (2006) A Parallel Adaptive Finite Difference Algorithm for Petroleum Reservoir Simulation. SPE Europec/EAGE Annual Conference and Exhibition
• Konferanseforedrag
  Awan, Anwar Rahim; Teigland, Rune; Kleppe, Jon. (2006) EOR Survey in the North Sea. 2006 SPE Symposium on Improved Oil Recovery
• Konferanseforedrag
  Dadashpour, Mohsen; Landrø, Martin; Kleppe, Jon. (2006) Non-linear Inversion for Estimating Reservoir Parameters from Time-Lapse Seismic Data. Advances in geophysics and reservoir engineering for data integration and uncertainty assessment
• Konferanseforedrag
  Darvish, Gholam Reza; Lindeberg, Erik; Holt, Torleif; Utne, Svein Arild; Kleppe, Jon. (2006) Laboratory Experiments of Tertiary CO2 Injection Into a Fractured Core. 2006 SPE Symposium on Improved Oil Recovery
• Foredrag
  Kleppe, Jon. (2006) The new center for Integrated Operations at NTNU/SINTEF/IFE. NPF´s Conference on Smart Fields
• Foredrag
  Kleppe, Jon; Lippe, Jon. (2006) Presentation of the Center for eField and Integrated Operations. ONS
• Foredrag
  Kleppe, Jon. (2006) Research on Integrated Operations at NTNU/SINTEF/IFE. Statoil´s Conference on Integrated Operations
• Foredrag
  Kleppe, Jon. (2006) NTNUs bidrag til etablering av norsk kunnskapsindustri basert på IO, OLFs konferanse om Integrerte Operasjoner. OLFs konferanse om Integrerte Operasjon

2005

• Konferanseforedrag
  Tjåland, Egil; Kleppe, Jon. (2005) Visualization of Real-Time Production Data from Subsea Installations. SGIUG 2005
• Foredrag
  Kleppe, Jon; Bredesen, Arne Mathias. (2005) NTNU og SINTEF som Nasjonalt kompetansesenter innen petroleum. BRU Seminar: Teknologi- og F&U-strategi innen petroleum, NTNU

2004

• Konferanseforedrag
  Darvish, Gholam Reza; Lindeberg, Erik; Kleppe, Jon; Torsæter, Ole. (2004) Numerical Simulations for Designing Oil/CO2 Gravity Drainage Laboratory Experiments of a Naturally Fractured Reservoir. 7th International Conference on Greenhouse Gas Control Techn.,Vancouver, Canada, 05.09.-09.09.2004

2003

• Konferanseforedrag
  Stovas, Alexey; Landrø, Martin; Kleppe, Jon; Torsæter, Ole; Jensen, Jan Ivar. (2003) An integrated study of reservoir fluid flow across faults by laboratory experiments, 4D seismics and reservoir simulation. EAGE 65th Conference and Exhibition
• Konferanseposter
  Andresen, A.; Johansen, Ståle Emil; Tjåland, Egil; Kleppe, Jon; Bekkeheien, M. (2003) Svalex – Et tverrinstitusjonelt undervisningsopplegg på Svalbard. Erfaringer etter to år, 200 studenter og en isbjørn. NGF Conference
• Konferanseforedrag
  Stovas, Alexey; Landrø, Martin; Torsæter, Ole; Jensen, Jan Ivar; Kleppe, Jon. (2003) An integrated study of reservoir fluid flow across faults by laboratory experiments, 4D seismic and resevoir simulation. 1st International Conference and Exhibition; Recent advances and challenges in oil recovery

2000

• Konferanseforedrag
  Talukdar, M. S.; Banu, H. A.; Torsæter, Ole; Kleppe, Jon. (2000) Applicability and Rate Sensitivity of Several Up-scaling Techniques in Fractured Reservoir Simulation. 2000 SPE International Conference and Exhibition
• Konferanseforedrag
  Tiwari, S.; Cvetkovic, B.; Kleppe, Jon. (2000) Methane Injection in a Dual Porosity System. GeoQuest Forum

1999

• Konferanseforedrag
  Tiwari, S.; Cvetkovic, B.; Kleppe, Jon. (1999) Simulation Study of Mass Transfer in a Fracture-Matrix System Due to Gas Injection at Core Scale. Petroleum Engineering Summer School, Dubvronik
• Konferanseforedrag
  Talukdar, M. S.; Banu, H. A.; Torsæter, Ole; Kleppe, Jon. (1999) Introducing Up-scaling Techniques in Fractured Reservoir Simulation. Second Nordic Symposium on Petrophysics
• Konferanseforedrag
  Talukdar, Saifullah; Banu, H.A.; Torsæter, Ole; Kleppe, Jon. (1999) Introducing up-scaling techniques in fractured reservoir simulation. 5th Nordic Symposium on Petrophysics

1998

• Konferanseforedrag
  Yu, S. Y.; Akervoll, I.; Torsæter, Ole; Stensen, J. A.; Kleppe, Jon; Midtlyng, S. H.. (1998) SPE paper 48842 History Matching of Gas Injection Processes With In-Situ Saturation Measurements and Process Hysteresis. 2000 SPE International Conference and Exhibition
• Konferanseforedrag
  Yu, S.Y.; Akervoll, I.; Torsæter, Ole; Stensen, J.A.; Kleppe, Jon; Midtlyng, S.H.. (1998) History matching gas injection processes with in-situ saturation measurements and process hysteresis. 1998 SPE International Conference and Exhibition in China

1997

• Konferanseforedrag
  Kleppe, Jon; Hamond, G.; Chaput, E.. (1997) Determination of Relative Permeability to Oil From Gas-Oil Gravity Drainage Experiments. SPE Annual Meeting
• Konferanseforedrag
  Pratap, Mahendra; Kleppe, Jon; Uleberg, Knut. (1997) Vertical capillary continuity between the matrix blocks in a fractured reservoir dramatically improves the oil recovery by water displacement. 10th SPE Middle East Oil Show
• Konferanseforedrag
  Kleppe, Jon; Delaplace, P.; Lenormand, R.; Hamon, G.; Chaput, E.. (1997) Representation of capillary pressure hysteresis in reservoir simulation. 1997 SPE Annual Technical Conference and Exhibition

1995

• Konferanseforedrag
  Kjos, T.; Sangesland, Sigbjørn; Michelet, J.F.; Kleppe, Jon. (1995) Down-hole water-oil separation and water reinjection through well branches. SPE Annual Technical Conference and Exhibition
• Konferanseforedrag
  Kleppe, Jon; Sangesland, Sigbjørn; Michelet, J.F.; Kjos, T.. (1995) Dynamic water coning control through dual completion, downhole separation and reinjection of water. Symposium of Production Optimization
• Konferanseforedrag
  Uleberg, Knut G.; Kleppe, Jon. (1995) Simulation of Laboratory Experiments. RUTH WAG Seminar
• Konferanseforedrag
  Kjos, T.; Sangesland, Sigbjørn; Michelet, J. F.; Kleppe, Jon. (1995) Water-Oil Separation and Water Reinjection Through Well Branches. 70th SPE Annual Technical Conference & Exhibition

1993

• Konferanseforedrag
  Uleberg, Knut; Kleppe, Jon; Torsæter, Ole. (1993) A review of fluid flow mechanisms for modelling of North Sea fractured reservoirs. Reservoir utilization through advanced technological help : 13 and 14 October 1993, at the Norwegian Petroleum Directorate, Stavanger, Norway : summaries of papers

1990

• Konferanseforedrag
  Kleppe, Jon. (1990) Theoretical Evaluation of Coning Performance of Horizontal Wells in Thin Oil Layers. The Third Conference on Reservoir Management in Field Development and Production
• Konferanseforedrag
  Kleppe, Jon; Kossack, C. A.; Sundal, L.; Johannesen, Atle. (1990) A Comparison of Water and Gas Coning Performance of Horizontal and Vertical Wells in Thin Oil Layers. Mathematics and Computing in Petroleum Reservoir Analysis

1988

• Konferanseforedrag
  Sundal, L.; Kossack, C. A.; Kleppe, Jon. (1988) Numerical Simulation of Oil Production From Horizontal Wells in the Troll Field: A Sensitivity Study. Seminar on Recovery from Thin Oil Zones
• Konferanseforedrag
  Caspari, M.; Kossack, C. A.; Kleppe, Jon; Hafskjold, Bjørn. (1988) An Investigation of Artificial Barriers in Production of Thin Oil Zones. Seminar on Recovery from Thin Oil Zones

1987

• Konferanseforedrag
  Kossack, C. A.; Kleppe, Jon; Aasen, Terje. (1987) SPE16869: Oil Production From the Troll Field: A Comparison of Horizontal and Vertical Wells. SPE Annual Meeting
• Konferanseforedrag
  Kleppe, Jon; Kossack, C. A.; Silseth, John. (1987) Reservoir Simulation - A Physics and Geology Point of View. NAVF-PNG Conference

1981

• Konferanseforedrag
  Cekirge, H. M.; Kleppe, Jon; Lehr, W. J.. (1981) SPE 9608 Stochastic Methods in Reservoir Engineering. Middle East Oil Technical Conference

1974

• Konferanseforedrag
  Kleppe, Jon; Morse, Richard A.. (1974) Oil Production from Fractured Reservoirs by Water Displacement. Fall Meeting of the Society of Petroleum Engineers of AIME