42-355-33584
Final CompletionCHAPMAN RANCH B
NUECES County · District 4 · DECKER OPERATING CO. L.L.C. · CHAPMAN RANCH (9650)
Permits
1
Max Depth
11,500 ft
First Permit
2003-09-29
Latest Activity
2003-09-29
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2003-11-21
Shut-In
—
Plugged
2025-10-20
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
2003-11
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (5) Elevation 41 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| OAKVILLE | 3,560 ft | -3,519 ft |
| MASSIVE CAT | 4,605 ft | -4,564 ft |
| MARG | 5,560 ft | -5,519 ft |
| ZONE 7 | 9,070 ft | -9,029 ft |
| LEHMAN | 9,725 ft | -9,684 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (1)
| Interval | Type |
|---|---|
| 9,742–9,757 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 2,025 ft | 1,205 sx |
| 7.625" | 10,020 ft | 445 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 237
- Max Depth
- 11,500 ft
- Drill Type
- Vertical
- County
- NUECES
- District
- 4
- Operator
- DECKER OPERATING CO. L.L.C.
- Completed
- 2003-11-21
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-03-04)
- Cum Oil (all leases)
- 733,714 bbl
- Cum Gas (all leases)
- 31,117,540 mcf
- Activities
- CSGD/G, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 137