42-477-31070
PRODUCING HorizontalMCMAHAN UNIT
WASHINGTON County · District 3 · MAGNOLIA OIL & GAS OPERATING LLC · GIDDINGS (AUSTIN CHALK-3)
Permits
2
Max Depth
11,500 ft
First Permit
2018-03-09
Latest Activity
2018-03-09
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2018-08-20
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: MAGNOLIA OIL & GAS OPERATING LLC ≠ Permit: ENERVEST OPERATING, L.L.C.
Resolved via: production → MAGNOLIA OIL & GAS OPERATING 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
2018-08
Last Production
2026-07
Operator History
originally filed by ENERVEST OPERATING, L.L.C. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (7) Elevation 317 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WILCOX - DISPOSAL (Wilcox) | 3,399 ft | -3,082 ft |
| MIDWAY | 6,895 ft | -6,578 ft |
| NAVARRO | 7,976 ft | -7,659 ft |
| TAYLOR | 8,481 ft | -8,164 ft |
| PECAN GAP | 9,507 ft | -9,190 ft |
| AUSTIN CHALK | 10,426 ft | -10,109 ft |
| CAPROCK - DISPOSAL (Caprock) | — | — |
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 |
|---|---|
| 11,103–14,908 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 3,078 ft | 1,640 sx |
| 7.625" | 10,665 ft | 935 sx |
| 5.5" | 15,020 ft | 760 sx |
| 4.5" | 15,020 ft | 760 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
- 4H
- Max Depth
- 11,500 ft
- Drill Type
- Horizontal
- County
- WASHINGTON
- District
- 3
- Operator
- MAGNOLIA OIL & GAS OPERATING LLC
- Completed
- 2018-08-20
Operator
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-05-06)
- Cum Oil (all leases)
- 73,106,082 bbl
- Cum Gas (all leases)
- 451,822,685 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, OPRS/G, OPRS/O
- Total Permits
- 599