42-239-32581
OBSERVATIONWEST RANCH -A-
JACKSON County · District 2 · HILCORP ENERGY COMPANY · WEST RANCH (GRETA)
Permits
1
Max Depth
5,600 ft
First Permit
1991-01-25
Latest Activity
1991-01-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2017-08-01
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.
Resolved via: production → HILCORP ENERGY COMPANY
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
1993-01
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 (7) Elevation 31 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CATAHOULA | 4,261 ft | -4,230 ft |
| DISCORBIS | 4,561 ft | -4,530 ft |
| FRIO | 5,000 ft | -4,969 ft |
| MARGINULINA A | 5,001 ft | -4,970 ft |
| MARGINULINA B | 5,023 ft | -4,992 ft |
| MARGINULINA C | 5,050 ft | -5,019 ft |
| GRETTA | 5,102 ft | -5,071 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 |
|---|---|
| 5,125–5,150 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,500 ft | 740 sx |
| 5.5" | 5,125 ft | 475 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 527
- Max Depth
- 5,600 ft
- Drill Type
- Vertical
- County
- JACKSON
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2017-08-01
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
- 3,436