42-123-34369
TEMP ABANDONED HorizontalKOOPMAN 01
DE WITT County · District 2 · MARATHON OIL EF LLC · DE WITT (EAGLE FORD SHALE)
Permits
2
Max Depth
25,000 ft
First Permit
2017-02-13
Latest Activity
2017-02-13
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2017-07-30
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Production operator mismatch
Scheduling: MARATHON OIL EF LLC ≠ Production: ENSIGN OPERATING LLC (reported 2021-03)
EWA / Permit operator mismatch
Scheduling: MARATHON OIL EF LLC ≠ Permit: PIONEER NATURAL RES. USA, INC.
Resolved via: scheduling → MARATHON OIL EF LLC
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
2017-07
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (8) Elevation 328 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO | 1,189 ft | -861 ft |
| VICKSBURG | 2,509 ft | -2,181 ft |
| YEGUA | 3,619 ft | -3,291 ft |
| WILCOX | 6,340 ft | -6,012 ft |
| AUSTIN CHALK | 13,250 ft | -12,922 ft |
| EAGLE FORD | 13,544 ft | -13,216 ft |
| CATAHOULA | — | — |
| EDWARDS - H2S (Edwards) | — | — |
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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 13,700–20,232 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 4,463 ft | 1,340 sx |
| 5.5" | 20,462 ft | 3,725 sx |
Permit History (2)
Applications (2)
Records & Logs
1 completion filing 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.
Well Details
- Well Number
- 03H
- Max Depth
- 25,000 ft
- Drill Type
- Horizontal
- County
- DE WITT
- District
- 2
- Operator
- MARATHON OIL EF LLC
- Completed
- 2017-07-30
Operator
- Name
- MARATHON OIL EF LLC
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-09-26)
- Cum Oil (all leases)
- 409,189,156 bbl
- Cum Gas (all leases)
- 1,029,735,602 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 3,173