42-227-34103
Final CompletionCHALK ESTATE
HOWARD County · District 8 · CITATION OIL & GAS CORP. · HOWARD GLASSCOCK (CONSOLIDATED)
Permits
1
Max Depth
2,600 ft
First Permit
1986-11-13
Latest Activity
1986-11-13
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1987-01-02
Shut-In
—
Plugged
2015-06-25
EWA / Permit operator mismatch
Scheduling: CITATION OIL & GAS CORP. ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.
Resolved via: production → CITATION OIL & GAS CORP.
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 (5) Elevation 2,420 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 1,167 ft | +1,253 ft |
| SEVEN RIVERS | 1,252 ft | +1,168 ft |
| QUEEN | 1,476 ft | +944 ft |
| GRAYBURG | 1,744 ft | +676 ft |
| SAN ANDRES | 1,851 ft | +569 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 |
|---|---|
| 2,024–2,168 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 234 ft | 200 sx |
| 5.5" | 2,500 ft | 575 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record · 2 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
- 26
- Max Depth
- 2,600 ft
- Drill Type
- Vertical
- County
- HOWARD
- District
- 8
- Operator
- CITATION OIL & GAS CORP.
- Completed
- 1987-01-02
Operator
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-05-27)
- Cum Oil (all leases)
- 72,247,033 bbl
- Cum Gas (all leases)
- 24,511,082 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 864