CO2 School
There are two versions of the 4-day courses we conduct
Version 1

Detailed Agenda for CO2 and ROZ School

January 29 – February 1, 2019

Conducted by the Applied Petroleum Technology Academy – Midland, Texas ( and Hosted by Midland College’s Petroleum Professional Development Center (

Session                  Day One: ROZ Science Day

Introductions, Safety Minute, Overview of Course

  1. Background and Progression of CO2 EOR and ROZ Studies (Melzer)
  2. The Types & Attributes of ROZs – ROZ Fairways (Melzer)
  3. Lessons & Learnings from Brownfield (EOR) ROZ Studies (Melzer)
  4. Expansive Carbonate Shelves – The Science of ROZs – I (Trentham)
  5. The Critical Roles of Microbes on Rocks and Oil: The Science of ROZs – II (Melzer, Vance)
  6. Pervasive Dolomitization, Pore Volume Flushing and Wettability: The Science of ROZs – III (Melzer or Trentham)
  7. ROZ Myths and the Properties of ROZ Rocks and Oils (Melzer)
  8. ROZ Exploitation via EOR (Melzer)

Session     Day TwoHorizontal Well Reservoir Depressuring of the ROZ  

Questions: Any Carryover from Day 1

  1. ROZ Exploitation – Reservoir Depressuring (Melzer/Hall)
  2. Production Analysis – Reservoir Response to Depressuring (Hall)
  3. Engineering Tools; Gathering and Analysis of Key Drilling Data (Melzer)
  4. Explaining Non-commercial Well Case Histories (Melzer/Trentham)
  5. Completion Techniques (Melzer)
  6. Surface Infrastructure (Melzer)
  7. Water Disposal (Melzer)
  8. Insights from Computer Modeling of Reservoir Depressuring (Melzer)
  9. Repressuring and Follow-on EOR (Melzer)

Session  Day Three: Field Visit Plus CO2 Recycle & Processing for CO2Flooding

Questions: Any Carryover from Day 2

  1. Dehydration Processes (Nicholas, NCG)
  2. Compression Facilities  (Nicholas, NCG)
  3. Sulfur Removal  (Nicholas, NCG)
  4. Natural Gas Liquids  (Nicholas, NCG)
  5. Integrated Plants  (Nicholas, NCG)
  6. Full Stream (Gas) – (Nicholas, NCG)
  7. Overview of Field Trip (Melzer)

Trip to Tabula Rasa’s East Seminole San Andres CO2 Project (Tentative)

Field Office Visit

Tour of ESSAU and Lindoss CO2 Production & Injection Facilities

Tour of CO2 Recycle Facility

Drive-by and Roadside Discussion – Gaines County Horizontal Wells

Bus Stop at Kinder Morgan’s Tall Cotton Greenfield ROZ Project

Session     Day Four: CO2 EOR Fundamentals

Questions: Any Carryover from Day 3

  1. Overview of EOR, The History/Current Status of CO2 Flooding (Melzer)
  2. CO2 Sources, Natural and Anthropogenic (Man-Made) – (Melzer)
  3. The Convergence of Carbon Management, 45Q Tax Credit and CO2 EOR (Melzer)
  4. The Properties of CO2 (Wackowski)
  5. Reservoir Response – Miscible, Immiscible, Gravity Stable, Processing Rates, Examples (Wackowski)
  6. CO2 Transportation & Injection – Pipelines, Trucking, Metering (Hargrove)
  7. Downhole and Wellsite Equipment Needs (Wackowski)
  8. WAGs and WAG Management (Wackowski)
  9. Key Elements of Reservoir Geology and “Failed” CO2 Projects (Trentham)
  10. Flood Response Examples (Melzer)
  11. The Business of CO2 (Melzer)
  12. Course Wrap up and Discussion (Melzer)

Course Instructors:

  1. Stephen Melzer, Melzer Consulting and APTA

Robert C. Trentham, Ph.D., UTPB and APTA

Ron Wackowski, Wackowski Consulting & Chevron (Retired)

Russell K. Hall, Petroleum Engineer, RK Hall and Associates

David Vance, Arcadis U.S.

Bryan Hargrove, Trinity Midstream

Version 2

Midland College Petroleum Professional Development Center… Click here for more information

and the Applied Petroleum Technology Academy Present

A New Four-Day School Entitled

“New Developments and Best Practices: CO2 EOR and Residual Oil Zones”

August 8-11, 2017; 8:00 am – 5:00 pm

Course Schedule and Curriculum



Day One – Post Waterflood Exploitation of Residual Oil via CO2 EOR and Reservoir Depressuring: Overview               


8:00     Welcome, Course Overview: CO2 EOR Best Practices and ROZ Exploitation:

and the Latest in Residual Oil Zone Understanding                                   Melzer

8:30     Current Status of CO2 EOR and ROZ Exploitation                                        Melzer

9:15     Overview of EOR Techniques and the Evolution of CO2Flooding                Melzer


10:30   CO2 Demand, CO2 Sources, Natural and Anthropogenic (Man-Made),

and the Properties of CO2                                                                      Melzer

11:30   A Quick Look at Residual Oil Zones – Origins and Science              Trentham/Vance

Lunch (Offsite)

1:00     CO2 Transportation and Injection – Pipelines, Trucking, Metering                 Melzer

1:45     Reservoir and Production Practices – Miscible, Immiscible, Gravity Stable,

Processing Rates, Examples                                                                Wackowski

2:15     Downhole and Wellsite Equipment Needs                                                      Wackowski

2:45     CO2 Recycling, Plants & Processing – Dehydration, Sulfur/NGL

Separation, Compression                                                                    Melzer


3:30     Key Elements of Reservoir Geology                                                               Trentham

4:30     Overview: CO2 EOR and ROZ Business                                                       Melzer

Wrapup – Q&A



Day Two – Evaluating a Candidate Flood, Reservoir Response and Flood Operations


8:15     Flood Prospects: The Initial Evaluation and the Concept of Screening           Melzer

9:30     Flow Units and Reservoir Compartmentalization                                            Melzer

9:45     Reservoir Characterization                                                                              Trentham

11:00   Geophysical Techniques                                                                                 Trentham

Lunch (Offsite)

1:45     Modeling the Reservoir and Waterflood Response – Sweep Efficiency

Concepts and Rules of Thumb                                                            Melzer

2:00     Normalizing Flood Response – Actual Examples                                           Melzer

2:30     Optimizing the Flood, Reservoir Surveillance, Pattern Balancing,

Recognizing and Remediating Reservoir Sweep Problems                 Wackowski

4:30     CO2 Flood Simulation and Response Modeling Techniques                          Melzer



4:45     Key Features of CO2 Flood Operations                                                          Wackowski

Downhole Considerations

Operational Features Peculiar to CO2 – Beyond Waterflooding

Examples of Operator Differences

Wrapup – Q&A



Day Three – CO2 Facilities and Field Trip


8:00     Dehydration Processes                                                                        Nicholas, NCG Team

Compression Facilities

Sulfur Removal

Natural Gas Liquids Removal

Integrated Plants

Full Stream (Gas) Reinjection


10:30   Field Visit to a Large CO2 Flood and Plant Facility (Bring Steel Toe shoes and Hardhats   if you have them

Tour of CO2 Production and Injection Facilities

Tour of Recycle/Processing Facilities

            Box Lunch on Tour

5:00     Arrive back in Midland



Day Four – The Business Side of CO2 Flooding: Understanding the ROZ and the Latest in Horizontal Well Depressuring of the Upper ROZ (DUROZ)    


8:15     Review of Field Trip                                                                                       All

8:30     Continuation of Day 2 (Last Section, if needed)                                             Wackowski

9:30     Land/Mineral Considerations                                                                          Melzer

9:45     Fundamental of CO2 Supply Contracts                                                           Hargrove


10:30   Parametric Sensitivities and Rates of Return                                                   Melzer

11:00   Permian Basin and an Update on Current ROZ Research and

Field Project Results                                                                           Trentham

12:00   Lunch (Offsite)

1:15     A View at the Future – Vertical Profile Expansion (Case Histories-based)

and ROZ “Greenfield” Developments                                                Melzer

2:00     A Detailed Look at the Science of Anaerobic Bacteria on Rocks

and Fluids in the ROZ                                                                         Vance


3:00     Update on Current ROZ Field Project Results                                                Melzer

4:00     Latest on the PB ROZ Resource Assessment                                                Melzer

4:30     Day-by-Day Eval Forms

Wrapup – Q&A, Certificates

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