1. Teevens, Patrick J., Srinivasan, Sureshkumar, Arumugam, Sridhar, Stemler, Philip, Proactive Corrosion Assessment and Mitigation Strategies for Enhanced Oil Recovery Operations: A Case Study from an Offshore Water Alternating Gas (WAG) Injection Well, AMPP Corrosion 2025 Conference, April 5 – 10,  2025, Paper No: C2025-00467
  2. Jaragh, Amer, Khera, Ashish, Kasumu, Adebola, Teevens,  Patrick J,   Srinivasan, Sureshkumar  Yusuff, Kamaldeen, Application of Wet Gas-Internal Corrosion Direct Assessment (WG-ICDA) Methodology to Eight (8) Gas Pipelines in Kuwait – A Case Study, AMPP Corrosion 2025 Conference, April 5 – 10,  2025, Paper No: C2025-00323
  3. Vincent, Shubhashalini, Teevens, Patrick J, Arumugam, Krissa, Len J., Internal Corrosion Predictive Modeling (ICPM) and Solids Deposition Predictive Modeling (SDPM) Using In-house Corrosion Model Software for a 30” X 44.15-Mile Natural Gas Pipeline, AMPP Corrosion 2025 Conference, April 5 – 10, 2025, Paper No: C2025-00483
  4. Yusuff, Kamaldeen, Melo, Carlos, Teevens, Patrick J., Watson, Jessee, Application of Multiphase Flow – Internal Corrosion Direct Assessment (MP-ICDA) Methodology to Liquid Propane and Propylene Pipelines – A Case Study, AMPP Corrosion 2025 Conference, April 5 – 10,  2025, Paper No: C2025-00528
  5. Teevens, Patrick J., Vincent, Shubhashalini, Hydrofracking and Internal Corrosion Problems Identification and Confirmation in Shale Oil and Gas Production, AMPP Corrosion 2025 Conference, April 5 – 10, 2025, Paper No: C2025-00251
  6. Zhenjin Zhu, Patrick J. Teevens, Yubin Xue and Frank Cheng, Numerical Simulation and Experimental Verification of Pitting Corrosion in Sweet Pipeline Service, Journal of Pipeline Science and Engineering, January 2022
  7. Patrick J. Teevens, Perry O’Hearn and Tijan Pinnock, A Field Study into the Mitigation of Severe Downhole Microbiologically Influenced Corrosion of Oxygen Contaminated Hydro-Fracked Unconventional Oil Reservoirs, NACE Corrosion 2021 Virtual Conference April 18 – 30, 2021, Paper No. 16272
  8. Jaragh, A, Teevens, Patrick, Huynh, Miles and Pinnock, Tijan, Successful Application of MP-ICDA to Assess and Forecast Crude Oil pipelines in Kuwait using ILI, NACE Corrosion 2021 Virtual Conference April 18 – 30, 2021, Paper No. 16271
  9. Jaragh, A, Kasumu, A., Teevens, Patrick, Safri, Shabbir, Huynh, Miles, Pinnock. T. and Khera, Ashish, The Use of MP-ICDA ICPM to Evaluate Design Implications for a New Kuwait Crude Oil Pipeline, NACE Corrosion 2021 Virtual Conference April 18 – 30, 2021, Paper No. 16270
  10. Jaragh, A, Teevens, Patrick, and Huynh, Miles, Mandatory Integrity Reassessment of Gravity-Fed Crude Oil Pipelines Using MP-IVDA in Kuwait, NACE Corrosion 2021 Virtual Conference April 18 – 30, 2021, Paper No. 16269
  11. Patrick J. Teevens, Sridhar Arumugam, “Successful Application of Internal Corrosion Direct Assessment (ICDA) To Determine the Integrity of an Indian Offshore SPM Pipeline”, NACE Corrosion Conference & Expo, Phoenix AZ, April 13 – 19 2018
  12. Patrick J. Teevens, “The Essentials Role of Internal Corrosion Direct Assessment (ICDA) and It’s IMPACT on Corrosion Economics of Pipelines In a Depressed Oil Pricing Climate”, NACE International Calgary Section, April 7, 2016
  13. Damon Brown, Shawna Johnston, Patrick J. Teevens, Raymond Turner, “Relationship Between Planktonic and Sessile Cells as They Relate to Biofilm Growth”, NACE International Corrosion 2016, Vancouver, BC, March 2016
  14. Sridhar Arumugam, Patrick J. Teevens, “Significance of Solids, Produced Water and Advanced Microbial Field and Laboratory Analysis in Determining the Risk of Internal Corrosion in Multiphase Petroleum Pipelines – A Case Study”, NACE CORCON, Chennai, India, November 2015
  15. Carlos Melo Gonzalez, Patrick J. Teevens, “MP-ICDA Analysis on Block 12 and Block 15 Gathering Pipelines and Petroamazonas EP in Ecuador”, NACE PIMS Latin America, Quito, Ecuador, July 2015
  16. Troy Eggum, Nima Tajallipour, Sridhar Arumugam, Patrick J. Teevens, “Comprehensive Approach to Oxygen Corrosion Analysis of Water Injection Systems”, NACE International, Dallas, TX, March 2015
  17. Sridhar Arumugam, Nima Tajallipour, Troy Eggum, Patrick J. Teevens, “Application of a Thermodynamic Model to Predict the Solubility of CO₂ in Pure H₂O and in Salt Solutions and Corrosion Prediction of Carbon Steel Under Supercritical Conditions”, NACE International, Dallas, TX, March 2015
  18. Nima Tajallipour, Henk Chin A. Lien, Patrick J. Teevens, Amresh Mohan, “Multiphase Flow Internal Corrosion Direct Assessment for the Tambaredjo North West (TNW) Pipeline”, NACE International, Dallas, TX, March 2015
  19. Patrick J. Teevens and Nima Tajallipour, “Petroleum Pipeline Integrity Under The Public Microscope: The Essential Role of Internal Corrosion Direct Assessment (ICDA)”, ACA (Australian Corrosion Association) Corrosion and Prevention 2014 Plenary Lecture, Darwin, Australia, September 2014
  20. Sridhar Arumugam, Nima Tajallipour, Patrick J. Teevens, “Modeling the Nucleation and Growth of Corrosion Scales in Sour Petroleum Pipelines”, NACE International, San Antonio, TX, March 2014
  21. Nima Tajallipour, Patrick J. Teevens, Wale Akanni, Sridhar Arumugam, “Application of Internal Corrosion Predictive Modeling (ICPM) In Pipeline Integrity Risk Management of Oil and Gas Production Fields”, NACE International, San Antonio, TX, March 2014
  22. Sridhar Arumugam, Nima Tajallipour, Patrick J. Teevens, “Modeling the Influence of Iron Carbonate Scale Morphology in Sweet Corrosion Prediction”, NACE International, San Antonio, TX, March 2014
  23. Nima Tajallipour, Patrick J. Teevens, Tatiana Alves da Silva, Ivan Jose Dos Santos “Modeling of Solids Transport and Deposition for an Iron-Ore Slurry Pipeline using enpICDA TM”, 17th International Seminar on Paste and Thickened Tailings (Paste 2014), June 9-12, 2014, Vancouver, BC, Canada
  24. Zhenjin Zhu, Patrick J. Teevens, Tesfaalem Haile, Nima Tajallipour, “Dynamic Pitting Analysis in Liquid and Wet Gas Petroleum Pipelines”, NACE International, Orlando, FL, March 2013
  25. Nima Tajallipour, Patrick J. Teevens, Aymen Rashid, Tesfaalem Haile, Sridhar Arumugam, “Pipeline Risk Assessment for the Purpose of Internal Corrosion Direct Assessment (ICDA) in a Large Gas Gathering, Transmission, and Distribution System”, NACE International, Orlando, FL, March 2013
  26. Patrick J. Teevens, Zhenjin Zhu, “Internal Corrosion Direct Assessment of a High-Pressure Wet-Gas Pipeline using NACE SP0110”, NACE International, Orlando, FL, March 2013
  27. Tesfaalem Haile, Patrick Teevens, Zhenjin Zhu, Sina Fardisi, Nima Tajallipour, “The Application of XDLVO Theory in Modeling Sulfate Reducing Bacteria (SRB) Adhesion on Collector Surfaces: Insight into the Initial Events of Biofilm Adhesion”, NACE International, Orlando, FL, March 2013
  28. Reza Khaksarfard, Nima Tajallipour, Marius Paraschivoiu, Patrick J. Teevens, “CFD Based Analysis of Multiphase Flows in Bends of Large Diameter Pipelines”, NACE International, Orlando, FL, March 2013
  29. Patrick Teevens, Ashish Khera, Zhenjin Zhu, “Internal Corrosion Direct Assessment for Hydrocarbon Service Petroleum Pipelines”, ASME India Oil & Gas Pipeline Conference 2013, Jaipur, India, February 2013
  30. Tesfaalem Haile, Pat Teevens, Zhenjin Zhu, Nima Tajallipour, “Modeling the Initial Events of Biofilm Formation: The Attachment of Sulfate-reducing Bacteria in Pipelines”, NACE Northern Area Western Conference, Victoria, BC, February 2013
  31. Tesfaalem Haile, Zhenjin Zhu, Sina Fardisi, Patrick Teevens, Nima Tajallipour, “Modeling of Deposition and Attachment of Sulfate Reducing Bacteria (SRB) in a Liquid Petroleum Pipeline”, NACE East Asia & Pacific Rim Area Conference, Shanghai, China, October 2012
  32. Patrick Teevens, Ashish Khera, “Proactive Pipeline Integrity Management: Safety, Reliability and Economic Benefits Realized at an Indian Producing Offshore and Onshore Asset”, NACE International CORCON Conference, Goa, India, September 2012
  33. Pat Teevens, A.W.Al-Mithin, S. Safri, Ashish Khera, Zhenjin Zhu, “Two Contrasting Internal Corrosion Scenarios Assessed by Liquid Petroleum: Internal Corrosion Direct Assessment (LP-ICDA) for the Innovation Development of a Dynamic Pitting Factor”, International Pipeline Conference, Calgary, AB, September 2012
  34. Pat Teevens, Zhenjin Zhu, “Internal Corrosion Direct Assessment of a 12” Nominal Wet Gas Pipeline”, NACE Central Area Conference, Lombard, IL, August 2012
  35. Wahab Al-Mithin, A., Safri, S., Prakash, S., Teevens, P.J., Zhu, Z., Khera, A., “Liquid Petroleum – Internal Corrosion Direct Assessment (LP-ICDA) of a ‘Piggable’ Crude Oil Pipeline in Kuwait Oil Company Using NACE International Standard Practice SP0208-2008”, NACE International, March 2012
  36. Zhu, Z., Tajallipour, N., Fardisi, S., Teevens, P.J., “Interaction Between Two Pre-existed Micro-Pits on Pitting Propagation and Passivation”, NACE International, March 2012
  37. Tajallipour, N., Zhu, Z., Teevens, P.J., Place, T., “Modeling of Solids Deposition in a 36”- 48” Diameter Heavy-Oil Transmission Pipeline,” NACE International, March 2012
  38. Fardisi, S., Tajallipour, N., Teevens, P.J., “Effects of Different Design Parameters on the Uniform Corrosion in the Annulus of Flexible Pipes”, NACE International, March 2012
  39. Fardisi, S., Tajallipour, N., Teevens, P.J., “Mechanistic Simulation of Sour Corrosion in Oil and Gas Pipeline Using a Novel Scale Growth Model”, NACE International, March 2012
  40. Wahab Al-Mithin, A., Shabbir, S., Abdul, S., Teevens, P.J., Zhu, Z., Khera, A., “Liquid Petroleum – Internal Corrosion Direct Assessment (LP-ICDA) of Three ‘Non-Piggable Gravity’ Crude Oil Export Pipelines in Kuwait Oil Company using SP0208-2008”, 14th Mid East Corrosion Conference, Bahrain, February 2012
  41. Zhu, Z., Teevens, P.J., “Determination of maintenance pigging interval for a diluted bitumen pipeline”, NACE Shanghai Conference, Shanghai, China, October 2011
  42. Fardisi, S., Tajallipour, N., Teevens, P.J., “Predicting the General Corrosion Rates of the Armor Steel Layers in the Annulus Space of the Flexible Pipelines”, NACE Shanghai, October 2011
  43. Teevens, P.J., Avann, T., Khera, A., “Offshore Real-Time Corrosion Monitoring Strategies – Getting it Right the First Time”, Corcon Corrosion Conference & Expo, Mumbai, India, September 28th – October 1st, 2011
  44. Tajallipour, N., Zhu, Z., Teevens, P.J., Place, T., Modeling of solids deposition with a heavy crude oil pipeline using enpICDATM-SRC”, World Petroleum Congress, Rio de Janeiro, Brazil, September 2011
  45. Mohammadi, F., Eliyan, F., Zhu, Z., Teevens, P.J., Alfantazi, A., “Internal corrosion of stabilized crude oil API-X100 steel pipelines”, World Petroleum Congress, Rio de Janeiro, Brazil, September 2011
  46. Zhu, Z., Tajallipour, N., Teevens, P., Crissup, J. T., “Corrosion Assessment in a Supercritical Sweet Shale-gas Wellhead”, NACE International Northern Area Western Conference, Regina, SK, February 6-8, 2011
  47. Tajallipour, N., Zhu, Z., Teevens, P., “3D Numerical Simulation of Formation Sand and Corrosion Product Deposition in a Liquid Petroleum Pipeline”, NACE International Northern Area Western Conference, Regina, SK, February 6th-8th, 2011
  48. Zhu, Z., Tajallipour, N., Teevens, P., Cheng, F. Y. F., Xue, H., “A Mechanistic Model for Predicting Localized Pitting Corrosion in a Brine Water-CO2 System”, NACE International Corrosion 2011 Annual Conference, Houston, TX, March 13th – 17th, 2011
  49. Zhu, Z., Tajallipour, N., Teevens, P., Lepková, K., Gubner, R., “Modeling of Elemental Sulphur Deposition in Sour-Gas Petroleum Pipelines”, NACE International Corrosion 2011 Annual Conference, Houston, TX, March 13th – 17th, 2011
  50. Tajallipour, N., Zhu, Z., Teevens, P., “The Effect of Slug Liquid Front on Inhibitor Effectiveness in High Pressure, High Temperature, Sour Petroleum Pipelines”, NACE International Corrosion 2011 Annual Conference, Houston, TX, March 13th – 17th, 2011
  51. Xue, H., Cheng, F.Y.F., Zhu, Z., Tajallipour, N., Teevens, P.J., “Internal Pitting Corrosion of X80 Pipeline Steel under Deposited Sand Bed in CO2-Saturated Chloride Solutions”, NACE International Corrosion 2011 Annual Conference, Houston, TX, March 13th – 17th, 2011
  52. Zhu, Zhenjin, Sand, Keith W., and Teevens, Patrick J., “Effects of Flow Regime on Solids Deposition in Multiphase Petroleum Flow”, NACE International, Corrosion 2010 Annual Conference, San Antonio, Texas, March 13 – 18th, 2010
  53. Zhu, Zhenjin, Sand, Keith W., and Teevens, Patrick J., “A Numerical Study of Under-deposition Pitting Corrosion in Sour Petroleum Pipelines”, NACE Northern Area Western Conference, Calgary, Alberta, Canada, February 15-18th, 2010
  54. Zhu, Zhenjin, Sand, Keith W., and Teevens, Patrick J., “Solids Deposition in Liquids Petroleum (Oil) and Wet-gas Pipelines for Internal Corrosion Predictive Modeling (ICPM)”, NACE Northern Area Western Conference, Calgary, Alberta, Canada, February 15-18th, 2010
  55. Teevens, Patrick J., Sand, Keith, W. and Girard, P.J., “Prediction of ‘Classic’ and ‘Flow-Induced’ Internal Pipeline Top-of-the-Line Corrosion (TLC) Mechanisms using enpICDA™: Model Prediction Confirmation and Applicability in Wet Gas Condensate Pipeline Operations”, presented to the Australasian Corrosion Association (ACA), Paper No. 022, Corrosion and Prevention 2009, 54th Annual Conference, Coffs Harbour, New South Wales, Australia, November 15th – 18th, 2009
  56.  Zhu, Zhenjin, Sand, Keith W., and Teevens, Patrick J., “Studies of Solids Deposition and Under-deposit Pitting Corrosion in Liquids Petroleum Pipelines”, presented to the Australasian Corrosion Association (ACA), Paper No. 021, Corrosion and Prevention 2009, 54th Annual Conference, Coffs Harbour, New South Wales, Australia, November 15th – 18th, 2009
  57. Teevens, Patrick J., and Sand, Keith, W., “Practical Applications of Internal Corrosion Predictive Modeling (ICPM) in 2 or 3 – Phase  Petroleum Pipelines using enpICDA™: Model Validation”, presented to NACE International, Corrosion 2008 Annual Conference, Paper No. 08642 at New Orleans, Louisiana, March 16 – 20th, 2008
  58. Teevens, Patrick J., and Sand, Keith, W., “Practical Applications of Internal Corrosion Predictive Modeling (ICPM) in 2 or 3 – Phase  Petroleum Pipelines using enpICDA™: Model Validation”, presented to the Australasian Corrosion Association (ACA), Paper No. 013, Corrosion and Prevention 2007, 52nd Annual Conference, Sydney, New South Wales, Australia, November 25th – 28th, 2007
  59. Teevens, Patrick J., Robertson, Don, W. and Sand, Keith, W. “A Comparative Gap Analysis of Pipeline Integrity Management (PIM) between Canadian and US Regulatory Regime”, presented to the Canadian Institute’s, Pipeline Integrity Management Conference, Calgary, Alberta, March 8th & 9th, 2007
  60. Teevens, Patrick J., “Economic Basket-Cases – Responsibly Managing Aging and Corroding Pipelines and Tubulars: Minimizing Losses by Fine-Tuning your Strategy”, presented to the Canadian Institute’s, Well and Pipeline Abandonment, Suspension and Discontinuation Conference, Calgary, Alberta, May 30th and 31st, 2006
  61. Deng, Chuntao, Sand, Keith and Teevens, Patrick J., “A Web-Based Software for Prediction of the Internal Corrosion of Sweet and Sour Multiphase Pipelines”, NACE International, Corrosion 2006 Annual Conference, Paper No. 06565 at San Diego, California, March 12 – 16th, 2006
  62. Teevens, Patrick J., “Advances in Electronic Corrosion Monitoring and Surveillance: The State of the Art – 2006” presented at the NACE International, Northern Area Western Conference, Calgary, Alberta, February 6th – 9th, 2006
  63. Teevens, Patrick J., “Sour Pipeline Production Operations: 27 Years of Failure-Free Engineering Strategies for the Detection, Mitigation and Prevention of Internal Pipeline Corrosion”, presented at the Australasian Corrosion Association (ACA), Corrosion and Prevention 2005 Golden Jubilee Conference, Gold Coast, Queensland, Australia November 20 – 23rd, 2005
  64. Sand, Keith, Deng, Chuntao, Teevens, Pat, Robertson, Don, Smyth., Tricia, “Corrosion Engineering Assessments Via a Predictive Tool”, paper no. 06T114 presented at the Tri-Service Corrosion Conference (ACA), sponsored by the United States Department of Defense (DoD) Corrosion Policy and Oversight Office, OUSD & AT&L and NACE International, Orlando, Florida, November 14th – 18th, 2005
  65. Teevens, Patrick J., “Sour Pipeline Production Operations: 27 Years of Failure-Free Engineering Strategies for the Detection, Mitigation and Prevention of Internal Corrosion”, NACE International, Corrosion 2005 Annual Conference, Paper No. 05647 at Houston, Texas, April 3 – 7, 2005
  66. Teevens, Patrick J., and Sand, Keith, W. “enpICDA TM: Momentum, Heat and Mass Transport Interdependency of Multiphase Fluids for Reliable Pipeline Internal Corrosion Rate Prediction”, to be presented at the NACE International, Calgary Section One Day Seminar, Calgary, Alberta, May 20th, 2004
  67. Teevens, Patrick J., “The New Corrosion Engineer: Your Professionalism, The Public Safety and a Management Structure Indifferent to a Higher Calling”, presented at the Australasian Corrosion Association (ACA), Corrosion and Prevention 2001 Conference, Newcastle, New South Wales, Australia November 19 – 22, 2001
  68. Teevens, Patrick J., “Defeating Internal Corrosion of Petroleum Pipelines in Remote Locations: Winning Strategies Integrating Real-Time Electrochemical Noise Corrosion Surveillance with Recent Advancements in Power and Communications Technologies”, presented at the Australasian Corrosion Association (ACA), Corrosion and Prevention 2000 Conference, Auckland, New Zealand, November 19 – 22, 2000
  69. Teevens, Patrick J. and Foley, Roy F., “Converting Sweet Facilities to Sour: A Corrosion Engineering Perspective”, presented at the Third Annual Pressure Equipment Industry Conference, Banff, Alberta, Canada, February 3- 5, 1999
  70. Teevens, Patrick J., “Electrochemical Noise – A Potent Weapon in the Battle Against Sour Gas Plant Corrosion: Over Three Years Operating and Turnaround Inspection Experience in Two Canadian Gas Plants”, presented at the Australasian Corrosion Association (ACA), Corrosion and Prevention 1998 Conference, Hobart, Tasmania, Australia, November 22 – 25, 1998 and at NACE Internationals’, Corrosion ’98 Annual Conference at San Diego, California, March, 1998
  71. Teevens, Patrick J., “Integrity Asset Management Through Electrochemical Corrosion Surveillance”, NACE International, Corrosion ’98 Annual Conference, Paper No. 388 at San Diego, California, March 16th – 20th, 1998
  72. Teevens, Patrick J., “Attainable and Reliable Pressure Equipment Life Extension via Advanced, Real-Time, Electrochemical Corrosion Surveillance Methods: An Update Including Vibration Monitoring“, presented at the Australasian Corrosion Association (ACA), Corrosion and Prevention 1997 Conference, Brisbane, Queensland, Australia, November 9 -12, 1997 and at MAINTEC ’97, London, England, September, 1997
  73. Teevens, Patrick J., “Attainable and Reliable Pressure Equipment Life Extension via Advanced, Real-Time, Electrochemical Corrosion Surveillance Methods”, presented at NACE International Canadian Region Western Conference, Edmonton, Alberta, February 3-6, 1997
  74. Teevens, Patrick J., “Pressure Equipment Life Extension Through Advanced Corrosion Surveillance Methods”, presented at the 19th Maintenance Management Show, MAINTEC’96, Birmingham, England, March 26-28, 1996
  75. Teevens, Patrick J., and Brown, Lonnie C., “The Evaluation and Selection of Corrosion Inhibitors for Sour Production Operations”, presented at the 33rd Annual Conference of Metallurgists, Edmonton, Alberta, August 23, 1992 CIM, Montreal, Quebec
  76. Teevens, Patrick J., and Brown, Lonnie, C., “Caustic Stress Corrosion Cracking of Waste Heat Sulphur Boilers and Their Repair”, presented to the Canadian Region Western Conference, Edmonton, Alberta , February 21, 1992@ NACE, Houston, Texas
  77. Teevens, Patrick J., “Toward a Better Understanding of the Cracking Behaviour of Carbon Steels in Alkanolamine Gas Sweetening Units, Its Detection, Monitoring and How to Avoid It”, paper no. 198, presented at Corrosion ’90, Las Vegas, Nevada, April 23 – 27, 1990, © NACE, Houston, Texas
  78. Asperger, R.G., Teevens, P.J., Ho-Chung-Qui. D., “Corrosion Control and Monitoring in Gas Pipelines and Well Systems”, ©NACE, Houston, Texas, 1989 Book
  79. Teevens, Patrick J., “Corrosion Control Considerations for the Production of Very (Super Sour Gas Wells (H2S > 60 mol%)”, paper no. 47, presented at Corrosion ’87, San Francisco, California, March 9 13, 1987, © NACE, Houston, Texas
  80.  Teevens, Patrick J., “Predicting Well Casing Corrosion Using the PC”, presented at the Calgary Section of NACE, Calgary, Alberta, April 1986
  81.  Teevens, Patrick J., “Rainbow Lake Cathodic Protection Systems”, presented at the Canadian Region Western Conference, Edmonton, Alberta, February 1984 ©NACE, Houston, Texas 
  82. enpICDATM:   A technically advanced and superior new internal corrosion prediction model replacing a predecessor programme, PIPECORR©. This multiphase mass-transport based model addresses sour gas, natural gas and multiphase pipeline systems for internal corrosion prediction model employing fluid hydrodynamic and mass transfer equations of state to empirically determine corrosion of carbon-steels 
  83. PIPECORR©   The original multiphase pipeline internal corrosion prediction model, – jointly owned by Pat Teevens and Amerada Hess Canada Ltd. (50% ownership each) (now Petro Canada Petroleum Resources), 1992. This model has been discontinued and is significantly less advanced as the new enpICDA TM 
  84.  CASCORR© External downhole well casing corrosion prediction model, owned by Pat Teevens (100% ownership), 1985