Wellbore Genius
Wellbore Pressure Sandbox
Live computeWellborePressure(...) output. See field-by-field docs at docs / wellbore-pressure-result.
Geometry
Boundary
Fluid & temperature
Flow
Headline
Wellhead pressure5,000 psi
bhpPsi-629 psi
bottomholePressurePsi-629 psi
Alias invariant:
bhpPsi === bottomholePressurePsi holds. Prefer bhpPsi in new code.Confidence intervals & score
F · 0/100
Bottomhole pressure [psi]
-629 ± 178
95 % CI [-978, -280]
Wellhead pressure [psi]
5,000 ± 178
95 % CI [4,651, 5,349]
Total hydrostatic [psi]
4,750 ± 11
95 % CI [4,729, 4,772]
Score drivers
- Friction dominates uncertainty (σ ≈ 176 psi from ρ/μ tolerance).
| Seg | TVD [ft] | T [°F] ± 1σ | Hyd [psi] ± 1σ | P@bottom [psi] ± 1σ | 95 % CI |
|---|---|---|---|---|---|
| 0 | 420 | 73 ± 5 | 190 ± 2 | 4,799 ± 43 | [4,715, 4,884] |
| 1 | 840 | 78 ± 5 | 190 ± 2 | 4,599 ± 56 | [4,490, 4,708] |
| 2 | 1,260 | 83 ± 5 | 190 ± 2 | 4,398 ± 66 | [4,269, 4,528] |
| 3 | 1,680 | 88 ± 5 | 190 ± 2 | 4,198 ± 75 | [4,051, 4,345] |
| 4 | 2,100 | 93 ± 5 | 190 ± 2 | 3,997 ± 83 | [3,835, 4,160] |
| 5 | 2,520 | 98 ± 5 | 190 ± 2 | 3,797 ± 90 | [3,620, 3,973] |
| 6 | 2,940 | 103 ± 5 | 190 ± 2 | 3,596 ± 97 | [3,407, 3,786] |
| 7 | 3,360 | 108 ± 5 | 190 ± 2 | 3,396 ± 103 | [3,194, 3,597] |
| 8 | 3,780 | 113 ± 5 | 190 ± 2 | 3,195 ± 109 | [2,982, 3,408] |
| 9 | 4,200 | 118 ± 5 | 190 ± 2 | 2,995 ± 114 | [2,770, 3,219] |
| 10 | 4,620 | 123 ± 5 | 190 ± 2 | 2,794 ± 120 | [2,559, 3,029] |
| 11 | 5,040 | 128 ± 5 | 190 ± 2 | 2,594 ± 125 | [2,349, 2,838] |
| 12 | 5,460 | 133 ± 5 | 190 ± 2 | 2,393 ± 130 | [2,139, 2,647] |
| 13 | 5,880 | 138 ± 5 | 190 ± 2 | 2,192 ± 134 | [1,929, 2,456] |
| 14 | 6,300 | 143 ± 5 | 190 ± 2 | 1,992 ± 139 | [1,720, 2,264] |
| 15 | 6,720 | 148 ± 5 | 190 ± 2 | 1,791 ± 143 | [1,510, 2,072] |
| 16 | 7,140 | 153 ± 5 | 190 ± 2 | 1,591 ± 148 | [1,301, 1,880] |
| 17 | 7,560 | 158 ± 5 | 190 ± 2 | 1,390 ± 152 | [1,093, 1,688] |
| 18 | 7,980 | 163 ± 5 | 190 ± 2 | 1,190 ± 156 | [884, 1,495] |
| 19 | 8,400 | 168 ± 5 | 190 ± 2 | 989 ± 160 | [676, 1,302] |
| 20 | 8,820 | 173 ± 5 | 190 ± 2 | 789 ± 164 | [468, 1,109] |
| 21 | 9,240 | 178 ± 5 | 190 ± 2 | 588 ± 167 | [260, 916] |
| 22 | 9,660 | 183 ± 5 | 190 ± 2 | 388 ± 171 | [52, 723] |
| 23 | 10,080 | 188 ± 5 | 190 ± 2 | 187 ± 175 | [-155, 529] |
| 24 | 10,500 | 193 ± 5 | 190 ± 2 | -14 ± 178 | [-363, 336] |
Pressure breakdown
Hydrostatic4,750.2 psi
Friction-9,763.7 psi
Kinetic0.0 psi
Perf friction-615.7 psi
Net Δp (BHP − WHP)-5,629.2 psi
Avg density8.70 ppg
PVT converged in 2 iter
Segments (25 rows)
| # | Tubular | MD top [ft] | MD bot [ft] | TVD bot [ft] | T [°F] | ρ [ppg] | μ [cP] | Hydro [psi] | Fric [psi] | Kin [psi] | P @ bot [psi] |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 4.50 in string | 0 | 600 | 420 | 72.5 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 4,799 |
| 1 | 4.50 in string | 600 | 1,200 | 840 | 77.6 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 4,599 |
| 2 | 4.50 in string | 1,200 | 1,800 | 1,260 | 82.6 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 4,398 |
| 3 | 4.50 in string | 1,800 | 2,400 | 1,680 | 87.6 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 4,198 |
| 4 | 4.50 in string | 2,400 | 3,000 | 2,100 | 92.7 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 3,997 |
| 5 | 4.50 in string | 3,000 | 3,600 | 2,520 | 97.7 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 3,797 |
| 6 | 4.50 in string | 3,600 | 4,200 | 2,940 | 102.8 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 3,596 |
| 7 | 4.50 in string | 4,200 | 4,800 | 3,360 | 107.8 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 3,396 |
| 8 | 4.50 in string | 4,800 | 5,400 | 3,780 | 112.8 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 3,195 |
| 9 | 4.50 in string | 5,400 | 6,000 | 4,200 | 117.9 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 2,995 |
| 10 | 4.50 in string | 6,000 | 6,600 | 4,620 | 122.9 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 2,794 |
| 11 | 4.50 in string | 6,600 | 7,200 | 5,040 | 128.0 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 2,594 |
| 12 | 4.50 in string | 7,200 | 7,800 | 5,460 | 133.0 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 2,393 |
| 13 | 4.50 in string | 7,800 | 8,400 | 5,880 | 138.0 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 2,192 |
| 14 | 4.50 in string | 8,400 | 9,000 | 6,300 | 143.1 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 1,992 |
| 15 | 4.50 in string | 9,000 | 9,600 | 6,720 | 148.1 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 1,791 |
| 16 | 4.50 in string | 9,600 | 10,200 | 7,140 | 153.2 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 1,591 |
| 17 | 4.50 in string | 10,200 | 10,800 | 7,560 | 158.2 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 1,390 |
| 18 | 4.50 in string | 10,800 | 11,400 | 7,980 | 163.2 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 1,190 |
| 19 | 4.50 in string | 11,400 | 12,000 | 8,400 | 168.3 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 989 |
| 20 | 4.50 in string | 12,000 | 12,600 | 8,820 | 173.3 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 789 |
| 21 | 4.50 in string | 12,600 | 13,200 | 9,240 | 178.4 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 588 |
| 22 | 4.50 in string | 13,200 | 13,800 | 9,660 | 183.4 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 388 |
| 23 | 4.50 in string | 13,800 | 14,400 | 10,080 | 188.4 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | 187 |
| 24 | 4.50 in string | 14,400 | 15,000 | 10,500 | 193.5 | 8.70 | 1.00 | 190.0 | -390.5 | 0.00 | -14 |