42-211-31872
CONATSER
HEMPHILL County · District 10 · BRACKEN OPERATING L.L.C. · MATHERS RANCH (TONKAWA)
Permits
2
Max Depth
8,000 ft
First Permit
1987-11-12
Latest Activity
1987-11-12
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-01-10
Shut-In
—
Plugged
2002-01-22
EWA / Permit operator mismatch
Scheduling: BRACKEN OPERATING L.L.C. ≠ Permit: BRACKEN ENERGY COMPANY
Resolved via: scheduling → BRACKEN OPERATING L.L.C.
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
2002-01
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 (3) Elevation 2,325 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| HEEBNER | 7,012 ft | -4,687 ft |
| DOUGLAS | 7,106 ft | -4,781 ft |
| TONKAWA | 7,850 ft | -5,525 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 |
|---|---|
| 7,866–7,870 ft | Perforated |
| 7,876–? ft | Perforated |
| 7,881–7,888 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,538 ft | 675 sx |
| 4.5" | 8,007 ft | 258 sx |
Permit History (2)
Applications (2)
Records & Logs
5 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
- 1160
- Max Depth
- 8,000 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- BRACKEN OPERATING L.L.C.
- Completed
- 1991-01-10
Operator
- Name
- MAYNARD OIL CO
- Location
- PERRYTON
- P-5 Status
- Active (filed 2026-03-18)
- Cum Oil (all leases)
- 2,181,091 bbl
- Cum Gas (all leases)
- 53,599,965 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 140