Geothermal Borefield Verification System
Borefield Verification Report
Subsurface As-Built Survey · Min-Curvature Method
Executive Summary
Total Bores Surveyed
24
All bores logged
Avg Max Inclination
2.3°
Across all 24 bores
Max Deviation Observed
5.8°
BH-10 · FLAG status
Max Lateral Departure
6.9 ft
BH-10 at 479 ft TD
Borefield Footprint
60 × 100 ft
Design: 60 × 100 ft
Avg Bore Depth
469 ft
Range: 453–492 ft
Sample Rate
1 Hz
~143 samples/bore avg
Note on BH-10: Max inclination of 5.8° with 6.9 ft lateral departure at 479 ft TD exceeds the project tolerance threshold of 5°. Recommend engineer review to assess impact on borefield thermal resistance and adjacent bore clearance. All other bores are within design tolerances.
Trajectory Plots — Selected Bores
Plan View (N–E) · Designed vs. Actual Bottom-Hole Position
Plan view shows surface collar (centre) and TD position (endpoint). Design tolerance ring = 5.0 ft radius.
BH-06 · 463 ft · 1.5° · PASS
Actual path
Tolerance
BH-07 · 482 ft · 4.2° · WARN
Actual path
Tolerance
BH-10 · 479 ft · 5.8° · FLAG
Actual path
Tolerance
Per-Bore Survey Results
All 24 Bores — Deviation Summary
| Bore ID | Depth (ft) | Max Inc (°) | Azimuth (°) | Lat. Dep. (ft) | TVD (ft) | Status |
|---|---|---|---|---|---|---|
| BH-01 | 459 | 1.2 | 045 | 1.3 | 459.0 | PASS |
| BH-02 | 466 | 2.4 | 135 | 3.9 | 464.9 | PASS |
| BH-03 | 476 | 1.8 | 210 | 2.6 | 475.4 | PASS |
| BH-04 | 453 | 0.8 | 090 | 0.7 | 452.8 | PASS |
| BH-05 | 469 | 3.8 | 315 | 10.2 | 468.1 | WARN |
| BH-06 | 463 | 1.5 | 180 | 3.0 | 462.4 | PASS |
| BH-07 | 482 | 4.2 | 060 | 17.4 | 480.6 | WARN |
| BH-08 | 456 | 1.2 | 270 | 1.3 | 456.0 | PASS |
| BH-09 | 472 | 2.0 | 150 | 3.3 | 472.1 | PASS |
| BH-10 | 479 | 5.8 | 225 | 26.9 | 476.0 | FLAG |
| BH-11 | 469 | 3.4 | 030 | 8.5 | 468.1 | WARN |
| BH-12 | 459 | 1.6 | 105 | 2.3 | 459.3 | PASS |
| BH-13 | 486 | 2.2 | 190 | 3.9 | 484.9 | PASS |
| BH-14 | 476 | 1.0 | 075 | 1.0 | 475.7 | PASS |
| BH-15 | 466 | 2.7 | 330 | 5.2 | 464.9 | PASS |
| BH-16 | 492 | 1.4 | 260 | 2.0 | 492.1 | PASS |
| BH-17 | 463 | 0.9 | 120 | 1.0 | 462.6 | PASS |
| BH-18 | 469 | 2.1 | 045 | 3.6 | 468.8 | PASS |
| BH-19 | 479 | 1.8 | 195 | 2.6 | 478.7 | PASS |
| BH-20 | 459 | 2.9 | 285 | 5.9 | 458.7 | PASS |
| BH-21 | 472 | 1.1 | 015 | 1.3 | 472.4 | PASS |
| BH-22 | 466 | 2.4 | 165 | 4.3 | 464.9 | PASS |
| BH-23 | 456 | 1.7 | 240 | 2.3 | 455.7 | PASS |
| BH-24 | 476 | 0.6 | 090 | 0.3 | 475.7 | PASS |
Status thresholds: PASS <3.0° · WARN 3.0–5.0° · FLAG >5.0° · Lateral departure calculated at TD.
Bore Detail — BH-10 (Flagged)
Survey Detail: BH-10 · 479 ft TD · 5.8° Max Inclination · FLAG
Detailed survey data for the bore with highest observed deviation. Hover any survey station to highlight it on the trajectory views.
| MD (ft) | INC (°) | AZI (°) | TVD (ft) | N (ft) | E (ft) | DLS |
|---|
3D TRAJECTORY — DRAG TO ROTATE
PLAN VIEW (E–N)
VERTICAL SECTION (DEPARTURE–TVD)
Synthetic Data Notice: This is a sample report generated for demonstration purposes. All bore IDs, survey results, project details, and numerical values are synthetic. They are representative of real networked geothermal project characteristics but do not correspond to any actual survey.
BOREFIELD VERIFICATION REPORT · BL-2026-0316-ETN · SAMPLE / SYNTHETIC DATA
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