Wellbore Genius

Non-planar 3D solver — tip-kinking viewer

352 faces · 207 verts · max kink 15.0°

← Reservoir viewer

σ_Hmax @ active tip · step 6/6

n=9mean 30.0°[30.0°, 30.0°]Δ +0.00° vs prev

ViewAutoAxesGridσ_Hmax ticks

12²

Merge debug

Face birth step

Initial

Face color

Timestep animation

step 6 / 6

Scrub352 faces

Speed [fps]2.00

before (seed) after (current)

M4 · DFN viewer

DFN off

Weld to parent

Out-of-plane tilt [°]0.0

planarsteep

Σ branches 0 · welds 0v / −0f · max|tilt| 0.0°

DFN is off — weld, tilt and NF knobs are ignored by the pipeline.

Bookmarks

Kink-angle criterion

Erdogan-Sih is the only criterion shipped in this build. The other two are queued for later milestones (placeholders to lock the UI seam).

Solver knobs

Max kink per step [°]

Tip advance per step [ft]

Number of steps [n]

σHmax azimuth [°] (rad: 0.524)

Max kink is persisted via the config card below; the other three are per-session viewer knobs.

σ-rotation-driven curvature (M2)

Drives per-edge kink from a live Δσ tensor synthesised from the σHmax azimuth field; capped by the curvature limit below so the mesh stays well-resolved.

Max curvature [°/ft]

0 ⇒ forbid curvature (straight-ahead). Per-step cap effectively becomes 25.0° (1 °/ft × 25 ft).

Initial footprint

Half-length [ft]200

Half-height [ft]100

Element size [ft]25

Last step summary

max kink 15.00° · mean 15.00°

advanced edges: 8 · tortuosity 1.000

footprint area: 108978 ft²

solver: 8 iter · residual 1.99e-1 psi

Drag to orbit · scroll to zoom · right-click to pan. Initial mesh faces are grey; each subsequent timestep's advanced tip row is tinted by the viridis ramp (dark = early, bright = latest).

Opening diagnostics

Centre vs edge collapse-to-planar drift-guard. Sneddon ref = 2·Δp·H·12/E′.

Face tips

352 faces

Centre w [in]

0.0196

Edge mean w [in]

0.0216

Edge max w [in]

0.0300

Field max w [in]

0.0300

Field mean w [in]

0.0208

Sneddon ref [in]

0.6000

Centre / Sneddon ref

band [0.01, 0.1]

0.033

pass

Centre / Edge mean

pass ≥ 5, watch ≥ 2

0.908

fail

Reference: Δp = 500 psi · E′ = 4.00 ×10⁶ psi · H = 200 ft.

Opening diagnostics — history

Centre/Sneddon ratio (left axis, log) and centre/edge-mean ratio (right axis) per timestep. Green band = Sneddon pass [0.01, 0.1].

Sneddon6/0/1

Edge1/0/6

7 steps

Show:

Smoothing:

Sneddon Y:

7 / 7 visible

σHmax azimuth field

uniform

Field type

Azimuth [°]

Non-planar 3D solver config

Persisted globally. Applies on next run.

Enabled

Enable non-planar solver

Stress-driven curvature (M2)

Max kink per step [°]15

Erdogan-Sih clamp applied to every advancing tip.

Branch-angle threshold [°]30

Kink angle at which the viewer flags a branching advisory.

Element size [ft]25

Initial triangle edge length for the seed planar mesh.

Max curvature per ft [°/ft]1

M2 σ-rotation curvature cap applied inside the propagation loop.

Defaults: enabled · 15° kink · 30° branch · 25 ft · M2 curvature off · 1°/ft cap.

Cross-stage frac-frac merge

Welds fractures from different stages whose tips collide within the snap tolerance. Persisted globally.

Disabled

Enable cross-stage merge

Apply welds to per-stage meshes

Off = diagnostic-only (meshes unchanged). On = snap welded vertex coords into each stage and drop collapsed faces.

Quick presets

balanced

Enable cross-stage merge to apply a preset.

Snap tolerance [ft]

Vertex-snap radius for cross-stage frac-frac welds.

Cadence [propagation steps]

Run the cross-stage merge every N propagation steps (≥1).

Min stage gap [stage indices]

Skip stage pairs whose index distance is below this value.

Max pairs (cost cap) [stage pairs]

Cap pairs visited per cadence tick. 0 = no cap (full C(N,2) sweep).

Run preview

Skipped

Pipeline will run without any cross-stage frac-frac welds.

Defaults: off · tol 5 ft · cadence 1 step · min stage gap 2.

Merge history preview

Runs the multi-stage pipeline once on a representative scenario and shows how much geometry each cross-stage merge tick changed. Apply- to-stages columns are em-dash when the welder runs diagnostic-only.

Disabled

Diagnostic-only

Stages

Spacing [ft]

Steps

Cross-stage merge benchmark

Sweeps boundary-merge wall-clock cost across cadence values on a representative multi-stage scenario (planar rectangles tip-driven toward +x). Run-on-demand · uses performance.now.

Scenario preset

Picking a preset overwrites the form fields below. Edit any field to drop into Custom mode.

Stage count

Stage spacing [ft]

Pipeline steps

Snap tol [ft]

Cadence list (comma- or space-separated)

Each value runs the multi-stage pipeline with cross-stage merge triggered every N steps. Baseline run omits the merge entirely.

Press Run benchmark to start the cadence sweep. Nothing is persisted; results live only in this card.

Microseismic-calibrated conductivity validation

Compare modeled propped k·w(x,y,z) against MS-inverted discs. Coverage = fraction of discs with nearest k·w ≥ threshold; contrast = mean k·w near discs ÷ mean k·w outside.

PASS

Coverage

100%

Contrast

2.91×

Mean k·w @ discs [md·ft]

121.3

Mean k·w outside [md·ft]

41.6

k·w samples (CSV: x,y,z,kw_md_ft)

-200,-80,0,13.54
-200,-60,0,14.71
-200,-40,0,15.62
-200,-20,0,16.21
-200,0,0,16.42
-200,20,0,16.21
-200,40,0,15.62
-200,60,0,14.71
-200,80,0,13.54
-175,-80,0,18.05
-175,-60,0,19.80
-175,-40,0,21.21
-175,-20,0,22.12
-175,0,0,22.44
-175,20,0,22.12
-175,40,0,21.21
-175,60,0,19.80
-175,80,0,18.05
-150,-80,0,23.89
-150,-60,0,26.55
-150,-40,0,28.73
-150,-20,0,30.17
-150,0,0,30.67
-150,20,0,30.17
-150,40,0,28.73
-150,60,0,26.55
-150,80,0,23.89
-125,-80,0,31.29
-125,-60,0,35.34
-125,-40,0,38.77
-125,-20,0,41.10
-125,0,0,41.92
-125,20,0,41.10
-125,40,0,38.77
-125,60,0,35.34
-125,80,0,31.29
-100,-80,0,40.35
-100,-60,0,46.55
-100,-40,0,52.04
-100,-20,0,55.90
-100,0,0,57.30
-100,20,0,55.90
-100,40,0,52.04
-100,60,0,46.55
-100,80,0,40.35
-75,-80,0,50.78
-75,-60,0,60.20
-75,-40,0,69.12
-75,-20,0,75.80
-75,0,0,78.32
-75,20,0,75.80
-75,40,0,69.12
-75,60,0,60.20
-75,80,0,50.78
-50,-80,0,61.50
-50,-60,0,75.34
-50,-40,0,89.83
-50,-20,0,102.02
-50,0,0,107.05
-50,20,0,102.02
-50,40,0,89.83
-50,60,0,75.34
-50,80,0,61.50
-25,-80,0,70.15
-25,-60,0,88.75
-25,-40,0,110.91
-25,-20,0,134.04
-25,0,0,146.32
-25,20,0,134.04
-25,40,0,110.91
-25,60,0,88.75
-25,80,0,70.15
0,-80,0,73.58
0,-60,0,94.47
0,-40,0,121.31
0,-20,0,155.76
0,0,0,200.00
0,20,0,155.76
0,40,0,121.31
0,60,0,94.47
0,80,0,73.58
25,-80,0,70.15
25,-60,0,88.75
25,-40,0,110.91
25,-20,0,134.04
25,0,0,146.32
25,20,0,134.04
25,40,0,110.91
25,60,0,88.75
25,80,0,70.15
50,-80,0,61.50
50,-60,0,75.34
50,-40,0,89.83
50,-20,0,102.02
50,0,0,107.05
50,20,0,102.02
50,40,0,89.83
50,60,0,75.34
50,80,0,61.50
75,-80,0,50.78
75,-60,0,60.20
75,-40,0,69.12
75,-20,0,75.80
75,0,0,78.32
75,20,0,75.80
75,40,0,69.12
75,60,0,60.20
75,80,0,50.78
100,-80,0,40.35
100,-60,0,46.55
100,-40,0,52.04
100,-20,0,55.90
100,0,0,57.30
100,20,0,55.90
100,40,0,52.04
100,60,0,46.55
100,80,0,40.35
125,-80,0,31.29
125,-60,0,35.34
125,-40,0,38.77
125,-20,0,41.10
125,0,0,41.92
125,20,0,41.10
125,40,0,38.77
125,60,0,35.34
125,80,0,31.29
150,-80,0,23.89
150,-60,0,26.55
150,-40,0,28.73
150,-20,0,30.17
150,0,0,30.67
150,20,0,30.17
150,40,0,28.73
150,60,0,26.55
150,80,0,23.89
175,-80,0,18.05
175,-60,0,19.80
175,-40,0,21.21
175,-20,0,22.12
175,0,0,22.44
175,20,0,22.12
175,40,0,21.21
175,60,0,19.80
175,80,0,18.05
200,-80,0,13.54
200,-60,0,14.71
200,-40,0,15.62
200,-20,0,16.21
200,0,0,16.42
200,20,0,16.21
200,40,0,15.62
200,60,0,14.71
200,80,0,13.54

153 parsed samples

MS discs (CSV: x,y,z,radius_ft)

5 parsed discs

k·w threshold [md·ft]

Outside margin [ft]

Min coverage [-]

Min contrast [×]

· Modeled proppant placement aligns with microseismic cloud.

DFN-aware branching (M4)

Activate the natural-fracture slip-tendency gate. When critically stressed NFs sit within the proximity radius of the parent tip, a child ribbon is welded onto the mesh as a T-junction; out-of- plane tilt rotates the ribbon away from the parent plane.

Enable DFN

Bookmarks

Quick presets:

Gate thresholds:

T-junction weld onto parent vertices

NF count [n]

NF strike offset from σHmax [°]

Proximity gate radius [ft]

Out-of-plane tilt per ribbon [°]

Weld tolerance [ft] (0 = auto)

Propagation thresholds (Mohr slip-tendency gate)

σ₁ [psi] (max principal)

σ₃ [psi] (min principal)

Pore pressure [psi]

Friction coefficient μ [-]

Cohesion C₀ [psi]

Max ribbons per step [n]

Consume NFs after branching (one-shot per NF)

Probe NF strike: 90.0°θ to σ₁: 30.0°T_s = 0.289 / μ = 0.60

Below μ → no branch

Σ branches: 0 · welded vertices: 0 · collapsed faces: 0 · max |tilt|: 0.00°

Δ (M4 − M3):welded vertices +0removed faces +0max |tilt| +0.00°

Run	Welded vertices	Removed faces	Max \|tilt\| [°]	L [ft]	w_max [in]
M3 baseline(weld off · tilt 0°)	0	0	0.00	344.9	0.0300
M4 current(weld on · tilt 0.0°)	0	0	0.00	344.9	0.0300
Δ (M4 − M3)	+0	+0	+0.00	+0.0	+0.0000

✓ PASS M4 → M3 collapse

|ΔL/L| = 0.000% (tol 1.00%)|Δw_max| = 0.00000 in (tol 0.00100 in)L_M4=344.9 ft · L_M3=344.9 ft · w_M4=0.0300 in · w_M3=0.0300 in

Tol |ΔL/L| [%]Tol |Δw_max| [in]

Baseline M3 = current scenario with weld off + tilt = 0°. Byte-identity drift-guarded by m4WeldAndTilt.test.ts.

DFN debug — per-step trace

0 steps with branches

Σ branches 0

Σ welded pairs 0

Σ collapsed faces 0

DFN is off — enable DFN in the right rail to populate the trace.

μ (friction) sensitivity sweep

Re-runs the M4 pipeline across μ ∈ [μ_min, μ_max] and ranks runs by total branching count to surface the slip-tendency hot zone.

Enable DFN-aware branching and the solver to run the sweep.

μ min

μ max

Samples