# 2026 U.S. Women's Open (Pattern 4) — Oil Pattern

- **Distance:** 40 ft (Medium)
- **Series:** U.S. Women's Open
- **Ratio:** 2.20:1 (middle:outside oil — lower is harder)
- **Total oil:** 37.51 mL
- **Forward / Reverse:** 18.12 mL / 19.39 mL
- **Conditioner:** FIRE / INFINITY
- **Source:** kegel
- **Kegel Pattern Library:** https://patternlibrary.kegel.net/pattern/044723be-cf64-f111-a826-7ced8d3c097f

## Oil per board (1 = left gutter … 39 = right gutter)

| Board | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oil | 0 | 360 | 410 | 460 | 750 | 850 | 900 | 1000 | 1050 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1270 | 1150 | 1150 | 1050 | 1000 | 900 | 610 | 510 | 460 | 410 | 360 | 0 |

## Machine load specs

### Forward

| Boards | Loads | Mics | Speed | Feet | Crossed | Oil µL |
|---|---|---|---|---|---|---|
| 2L–2R | 2 | 60 | 14 | 0.0–2.0 | 74 | 8880 |
| 5L–7R | 2 | 60 | 18 | 2.0–7.0 | 58 | 6960 |
| 10L–12R | 2 | 60 | 18 | 7.0–12.0 | 38 | 2280 |
| 2L–2R | 0 | 50 | 18 | 12.0–24.0 | 0 | 0 |
| 2L–2R | 0 | 50 | 26 | 24.0–40.0 | 0 | 0 |

### Reverse

| Boards | Loads | Mics | Speed | Feet | Crossed | Oil µL |
|---|---|---|---|---|---|---|
| 2L–2R | 0 | 50 | 26 | 40.0–32.0 | 0 | 0 |
| 10L–10R | 2 | 50 | 18 | 32.0–27.0 | 42 | 2100 |
| 9L–9R | 1 | 50 | 18 | 27.0–24.4 | 23 | 1150 |
| 8L–8R | 2 | 50 | 18 | 24.4–19.4 | 50 | 2500 |
| 7L–7R | 1 | 50 | 18 | 19.4–16.9 | 27 | 1350 |
| 6L–6R | 2 | 50 | 14 | 16.9–13.0 | 58 | 2900 |
| 5L–5R | 1 | 50 | 14 | 13.0–11.0 | 31 | 1550 |
| 4L–4R | 1 | 50 | 14 | 11.0–9.0 | 33 | 1650 |
| 3L–3R | 1 | 50 | 14 | 9.0–7.1 | 35 | 1750 |
| 2L–2R | 1 | 60 | 10 | 7.1–5.7 | 37 | 4440 |
| 2L–2R | 0 | 50 | 10 | 5.7–0.0 | 0 | 0 |