42-103-34505
PRODUCINGBLOCK 31 UNIT
CRANE County · District 8 · HILCORP ENERGY COMPANY · BLOCK 31 (QUEEN)
Permits
1
Max Depth
3,100 ft
First Permit
1997-04-07
Latest Activity
1997-04-07
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1997-06-13
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Production operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Production: OXY USA INC. (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: ARCO PERMIAN
Resolved via: production → OXY USA INC.
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
1997-06
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 (4) Elevation 2,918 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 895 ft | +2,023 ft |
| YATES | 1,977 ft | +941 ft |
| QUEEN | 2,830 ft | +88 ft |
| GRAYBURG | 2,937 ft | -19 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 |
|---|---|
| 2,918–2,935 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 715 ft | 350 sx |
| 4.5" | 3,070 ft | 350 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 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
- 9FF
- Max Depth
- 3,100 ft
- Drill Type
- Vertical
- County
- CRANE
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1997-06-13
Operator
- Name
- HILCORP ENGY CO
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-03-27)
- Cum Oil (all leases)
- 75,699,281 bbl
- Cum Gas (all leases)
- 1,779,939,645 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 3,430