OPTIMIZING DRILLING & WELLBORE POSITIONING THROUGH AUTOMATION AND DIGITALIZATION
- 1. OPTIMIZING DRILLING & WELLBORE POSITIONING THROUGH AUTOMATION AND DIGITALIZATION February 12, 2023
- 2. 2 Why Optimize Drilling and Wellbore Positioning Through Automation? Productivity Accuracy Consistency
- 3. 3 Guidance How do I alter where I am going to get to my target? Control Let’s change our trajectory per guidance instructions Navigation Where am I and where am I going? Sensors What can we measure about our environment? . . . . Target Where do I want to go? True System Dynamics The Vision: Beginning with the end in mind
- 4. 4 Guidance DD Calculations Control Slide Execution Navigation Survey Management Sensors MWD, Gyro, EDR . . . . Target Well Plan/ Geo-steering True System Dynamics The Vision: Beginning with the end in mind
- 5. 5 Navigation: Survey Management 0 5 10 15 20 25 30 0 20 40 60 80 100 Vertical Displacement (ft) Horizontal Displacement (ft) TVD Correction (Stockhausen Effect) Azimuthal (Lateral) Correction
- 6. 6 MWD Systems (Application Programming Interface) Navigation: The Digital Piece EDR Systems (Realtime WITSML Feed)
- 7. 7 Navigation: Automated Data Validation • Minimum number of surveys • Toolface variation requirement • Multiple solution check in East/West exclusion zone • Residual editing test for solution • Statistical noise test on residuals • Numerical ill-conditioning test on solutions • Maximum allowable number of survey rejections • Range test on estimated reference field deviations • Input file format check • Input data non-numerical entries test • Input data zero entry mag and accel test • Input data co-linear accel and mag measurement entry test • Reference Bt and Dip test (through FDIR solution) • Reference Gt test (through FDIR solution) • Correction position accuracy test (target error model) • Field Acceptance Criteria calculation and test • Survey measured depth sorting • Empty measured depth check • Real-time mag and accel number of entries test • Real-time mag and accel non-numerical entries test • Real-time measured depth non-numerical entry test • Geographic data validity test • Sensor axis alignment choice verification • Gravity reference auto-calculate if absent • 128 solution check per MWD run • Accel bias and scale factor estimation • Twist estimation • Neural Network Slide Detection
- 8. 8 10000 10005 10010 10015 10020 10025 10030 400 420 440 460 480 500 520 540 560 580 600 TRUE VERTICAL DEPTH (FT) VERTICAL SECTION (FT) Survey Survey Step 1: Use slide info from EDR, along with current motor BUR and rotary tendency estimates to project forward. Survey Projection to Bit Projected Trajectory Points Navigation: High-Definition Trajectory
- 9. 9 Survey Survey Projected Trajectory Points Step 1: Use slide info from EDR, along with current motor BUR and rotary tendency estimates to project forward. Step 2: Acquire next survey. Survey Survey Projection to Bit Projected Trajectory Points Navigation: High-Definition Trajectory 10000 10005 10010 10015 10020 10025 10030 400 420 440 460 480 500 520 540 560 580 600 TRUE VERTICAL DEPTH (FT) VERTICAL SECTION (FT)
- 10. 10 Survey Survey Projected Trajectory Points Step 1: Use slide info from EDR, along with current motor BUR and rotary tendency estimates to project forward. Step 2: Acquire next survey. Survey Step 3: To the extent the projection and survey values differ, adjust motor BUR and rotary tendency estimates to fit the survey data. Survey Projection to Bit Trajectory Points Navigation: High-Definition Trajectory 10000 10005 10010 10015 10020 10025 10030 400 420 440 460 480 500 520 540 560 580 600 TRUE VERTICAL DEPTH (FT) VERTICAL SECTION (FT)
- 12. 12 MWD Decoding Raw MWD Surveys, Cont. Inc., Slide Data Corrected Survey with Improved TVD and EOU Geosteering Software High Density Survey and Projection to Bit Projection to Bit, Rotary Tendencies, Motor Build/Walk Rates, Slide Efficiency Target Changes Steering Recommendations Survey Management Algorithmic Drilling Guidance Drilling Guidance: An Algorithmic Approach
- 13. 13 Drilling Guidance: Does it Work?
- 14. 14 Drilling Guidance: Does it Work?
- 15. 15 Δθ set to zero in the lateral Impact of Lateral Tortuosity on Drag / Hook Load 𝐹 = 𝑊𝑢 𝑢 + 𝑊𝑢 𝑢 + 𝐹 ∆𝜃 ∆𝐹 = 𝑊 cos 𝐼 + 𝜇𝐹 https://www.drillingmanual.com/2017/11/drilling-torque-and-drag-calculations- excel-spreadsheet.html#h-drill-string-drag-calculations-in-deviated-hole Iavg
- 16. 16 Δθ set to zero in the lateral Impact of Lateral Tortuosity on Drag / Hook Load 𝐹 = 𝑊𝑢 𝑢 + 𝑊𝑢 𝑢 + 𝐹 ∆𝜃 ∆𝐹 = 𝑊 cos 𝐼 + 𝜇𝐹 https://www.drillingmanual.com/2017/11/drilling-torque-and-drag-calculations- excel-spreadsheet.html#h-drill-string-drag-calculations-in-deviated-hole Iavg
- 17. 17 Why it Matters: 12% of Casing Runs Must Ream/Wash to Bottom Data from 4/1/21 to 11/1/21 across Patterson fleet
- 18. 18 Improve ROP, T&D, and Weight Transfer by Avoiding Excessive Sliding
- 19. 19 Efficiently Place Slides Using Trajectory Optimization Algorithms Better Projection to Bit Better Tendency Estimates Better Motor Yield More Accurate Calculations
- 20. 20 Up Next: Control - Full Automation & Integration Azimuthal Survey Corrections TVD Correction Algorithmic Guidance Instructions Low Latency Automated Data Transfer Integrated Control Functionality Consistent Reliable Results Secure Application Programming Interfaces