42-173-31585
Final CompletionCALVERLEY 36B
GLASSCOCK County · District 8 · CRESCENT ENERGY OPERATING LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
8,300 ft
First Permit
1984-03-29
Latest Activity
2019-03-14
Lifespan
35 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1984-04-26
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: CRESCENT ENERGY OPERATING LLC ≠ Production: LAREDO PETROLEUM, INC. (reported 2022-03)
EWA / Permit operator mismatch
Scheduling: CRESCENT ENERGY OPERATING LLC ≠ Permit: PARSLEY ENERGY OPERATIONS, LLC
Resolved via: scheduling → CRESCENT ENERGY 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
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 2,706 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ANHYDRITE | 1,260 ft | +1,446 ft |
| YATES | 1,990 ft | +716 ft |
| SAN ANDRES | 3,080 ft | -374 ft |
| CLEAR FORK | 4,826 ft | -2,120 ft |
| U. SPRABERRY | 6,269 ft | -3,563 ft |
| U. SPRAYBERRY | 6,269 ft | -3,563 ft |
| WOLFCAMP LIME (Wolfcamp) | 8,004 ft | -5,298 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 ↗
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 |
|---|---|
| 8,046–8,072 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 405 ft | 450 sx |
| 8.625" | 3,030 ft | 1,200 sx |
| 5.5" | 8,230 ft | 1,200 sx |
Permit History (2)
Applications (2)
Records & Logs
4 completion filings on record.
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
- 1
- Max Depth
- 8,300 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- CRESCENT ENERGY OPERATING LLC
- Completed
- 1984-04-26
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-08-28)
- Cum Oil (all leases)
- 10,867,426 bbl
- Cum Gas (all leases)
- 2,390,025 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 20