42-383-34420
PRODUCINGGRIERSON A
REAGAN County · District 7 · APACHE CORPORATION · GRIERSON SPRING (STRAWN)
Permits
2
Max Depth
9,101 ft
First Permit
1995-06-13
Latest Activity
1995-06-13
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1995-07-20
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: APACHE CORPORATION ≠ Permit: ENRON OIL & GAS COMPANY
Resolved via: production → APACHE CORPORATION
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
1995-07
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 (6) Elevation 2,896 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 1,953 ft | +943 ft |
| GRAYBURG | 3,172 ft | -276 ft |
| SPRABERRY | 5,770 ft | -2,874 ft |
| DEAN | 6,990 ft | -4,094 ft |
| WOLFCAMP X MARKER (Wolfcamp) | 7,842 ft | -4,946 ft |
| STRAWN | 8,780 ft | -5,884 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 |
|---|---|
| 8,784–8,874 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 815 ft | 800 sx |
| 8.625" | 3,078 ft | 750 sx |
| 5.5" | 9,101 ft | 200 sx |
Permit History (2)
Applications (2)
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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1
- Max Depth
- 9,101 ft
- Drill Type
- Vertical
- County
- REAGAN
- District
- 7
- Operator
- APACHE CORPORATION
- Completed
- 1995-07-20
Operator
- Name
- APC OPER PARTNERSHIP
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-12-03)
- Cum Oil (all leases)
- 615,928,793 bbl
- Cum Gas (all leases)
- 2,702,742,169 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 9,711