42-173-31639
Final CompletionGLASS
GLASSCOCK County · District 8 · LANDMARK IP LLC · R.W.P. (STRAWN)
Permits
3
Max Depth
10,800 ft
First Permit
1984-06-18
Latest Activity
1989-11-03
Lifespan
5 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-01-01
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: LANDMARK IP LLC ≠ Permit: UNION TEXAS PETROLEUM CORP.
Resolved via: scheduling → LANDMARK IP 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 (8) Elevation 2,712 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 3,594 ft | -882 ft |
| WOLFCAMP | 7,056 ft | -4,344 ft |
| PENN (Pennsylvanian) | 8,986 ft | -6,274 ft |
| PENNSYLVANIAN | 8,986 ft | -6,274 ft |
| STRAWN | 9,336 ft | -6,624 ft |
| SILURIAN (Silurian (undifferentiated)) | 9,765 ft | -7,053 ft |
| FUSSELMAN | 9,893 ft | -7,181 ft |
| MONTOYA | 10,002 ft | -7,290 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 (3)
| Interval | Type |
|---|---|
| 6,940–7,313 ft | Perforated |
| 9,336–9,357 ft | Perforated |
| 9,922–9,950 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 535 ft | 450 sx |
| 10.75" | 2,700 ft | 630 sx |
| 5.5" | 10,250 ft | 4,370 sx |
Permit History (3)
Applications (3)
Records & Logs
7 completion filings on record · 2 with log images at RRC.
+1 more filings
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
- 1
- Max Depth
- 10,800 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- LANDMARK IP LLC
- Completed
- 1986-01-01
Operator
- Name
- LANDMARK IP, LLC
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-02-02)
- Cum Oil (all leases)
- 37,127 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/G, OPRS/O