Best Practices for New Well Fracs and Legacy Well Refracs Course

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This professional training course, titled Best Practices for New Well Fracs and Legacy Well Refracs, provides an in-depth exploration of hydraulic fracturing and refracturing techniques with a focus on maximizing recovery in organic shale and conventional reservoirs. Drawing on decades of integrated reservoir characterization and pioneering research, the course highlights common industry misconceptions and emphasizes the importance of interdisciplinary collaboration among geologists, reservoir engineers, and completion experts. Participants will learn tested refrac methodologies and strategies to increase economic recovery from existing wells by addressing stranded hydrocarbons. The instructor brings extensive field and technical experience, including integrated reservoir studies, petrophysics, and completion practices. Attendees receive comprehensive supporting materials, including a detailed manual, to support practical application of course concepts.Read more...

Who Should Take This Course
• Geologists and engineering teams
• Completion engineers and professionals
• Reservoir and petrophysics specialists
• Operators interested in well performance

What You Will Learn
• Use of mechanical isolation techniques
• Best practices for refracturing methods
• Identifying stranded hydrocarbons in reservoirs
• Integrating reservoir data with completion design

Why This Course Works
• Overcome industry misconceptions about fracs
• To improve recovery from legacy and new wells
• Increase economic viability of existing wells
• Reduce completion costs while enhancing results

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Course contents

Chapter 1 - Top Ten Reasons To Refrac An Organic Shale Well

01-00a Introduction (21 min.) Sample Lesson

01-00b - Course Overview (14 min.)

01-01 - Top 10 Reasons To Refrac (9 min.)

01-02 - Top 10 Reasons To Refrac (part 2) (19 min.)

01-03 - Top 10 Reasons To Refrac (Part 3) (19 min.)

Chapter 2 - Where Have Refracs Worked and Are They Economic?

02-01 - Determining who is doing refracs and where they are refraccing (10 min.)

02-02 - Organic Shale Refrac Identification (8 min.)

02-03 to 02-06 - Overall Refrac Market Penetration (17 min.)

02-07 - Refrac Pad Economics (10 min.)

02-08 - Can Refracs Save the World? Expected Daily Production Increase from Refracs (21 min.)

02-09 - Refrac EUR From Cluster Spacing (7 min.)

Chapter 3 - Why Refracs Work In Organic Shales

03-01 - Organic Shale Drainage (23 min.)

03-02 - Role of Well Spacing (13 min.)

Chapter 4 - Why Refracs Work In Matrix Permeability Reservoirs

04-01 - Conventional Matrix Reservoir Horizontal Well Issues (12 min.)

04-02 - Refrac Candidate Selection in Matrix Reservoirs (29 min.)

04-03 - Why Do Multiple Zone Completions Leave Gas Behind? (20 min.)

04-04 - Gas Well Damage from Inter-Stage Flowback and Killing (5 min.)

Chapter 5 - Refrac Candidate Selection In Organic Shales

05-01 - Four Methods Available For Estimating The Recoverable Oil And Gas From Refracs (22 min.)

05-02 - Selection Process Methods 1 to 4 (19 min.)

05-03 - Discussion Of The Merits And Limitations Of Each Technique (16 min.)

05-04- Recovery Factor Concept Background (13 min.)

05-05 - Recovery Factor Calculation (6 min.)

05-06 - Recovery Factor Drainage Height Assumptions (16 min.)

05-07 - Flow Barriers Vs Frac Barriers (17 min.)

05-08 - Unpropped Height Issues (24 min.)

05-09 - EUR Estimation (15 min.)

05-10 - OIP To Decline Curve Conversion (25 min.)

Chapter 6 - Refrac Candidate Selection In Matrix Permeability Reservoirs

06-01 - Role Of Permeability In Refrac Candidate Evaluation (15 min.)

06-02 - Permeability From Production History Matching (11 min.)

Chapter 7 - Derisking Wellbore Mechanical Integrity Issues

07-01 - Wellbore Integrity Issue Discussion (19 min.)

Chapter 8 - "Best Practices" For Isolating Existing Perforations

08-01 - Mechanical Isolation vs. Bullhead Diverter Isolation (16 min.)

08-02 - Mechanical Isolation Options (8 min.)

08-03 - Diverter Options In Horizontal Wells (19 min.)

08-04 - Hybrid Liner And Diverter System Discussion (19 min.)

Chapter 9 - “Best Practices” To Maximize Recovery Factors

09-01a - Extreme Limited Entry (Part 1) (13 min.)

09-01b - Extreme Limited Entry (Part 2) (16 min.)

09-02 - Evaluating The Effectiveness Of XLE (14 min.)

09-03 - Delta-P vs. Perforation Diameter And Rate (17 min.)

09-04a - Comprehensive Cluster Efficiency Study With 4500 Step Down Tests (Part 1) (17 min.)

09-04b - Comprehensive Cluster Efficiency Study With 4500 Step Down Tests (Part 2) (17 min.)

09-05 & 09-06 - Treatment Rate Per Stage Vs Number Of Perforations Per Cluster (17 min.)

09-07 - Perforation Charge Issues (10 min.)

09-08 & 09-09 - Dual String Entry Hole Issues (10 min.)

09-10 & 09-11 - Cluster Efficiency Estimation Overview (7 min.)

09-12 - Step Down Test Analysis (8 min.)

09-13 to 09-16 - Radioactive Tracers/Neutron Logs/Fiber Optics/XLE Implementation (9 min.)

09-17 - Friction Pressure Drop Calculation (9 min.)

09-18 - XLE And Expandable Liners (14 min.)

09-19 to 09-22 - Cluster Spacing, Refrac Orientation and Near Wellbore Friction (18 min.)

09-23 to 09-26 - XLE And FDI's / Refrac Orientation / 7.4% Rf's / Reorientation Proofs (18 min.)

Chapter 10 - “Best Practices” To Protect Infill Wells From Asymmetric Fracs

10-01 to 10-03 - Parent Well Pressure Sinks And Asymmetric Fractures (16 min.)

10-04 to 10-07 - Level Of Depletion Needed For Asymmetric Fracture Generation (15 min.)

10-08 to 10-10 - Haynesville New Well Recovery Factor Comparison With Protective Refracs (8 min.)

Chapter 11 - Booking Behind Pipe Reserves For Refrac Candidates

11-01 to 11-06 - Recompletions Vs Refracs (15 min.)

Chapter 12 - Case Studies In Organic Shale And Conventional Reservoirs

12-01 to 12-06 - Case Studies & Field Examples (22 min.)