42-335-33277
Final CompletionEDMONDSON
MITCHELL County · District 8 · COALINGA CORPORATION · SHARON RIDGE (1700)
Permits
1
Max Depth
1,850 ft
First Permit
1986-12-04
Latest Activity
1986-12-04
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1987-01-02
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: COALINGA CORPORATION ≠ Production: UNITEX OIL & GAS, L.L.C. (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: COALINGA CORPORATION ≠ Permit: KECK, W. M., JR., MRS.
Resolved via: production → UNITEX OIL & GAS, 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
2026-07
Injection / Disposal
Permitted Volume
200 bbl/d
Max Pressure
800 psi
Injection Interval
1,683–1,694 ft
Injected (12mo)
—
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 2,207 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 450 ft | +1,757 ft |
| SEVEN RIVERS | 752 ft | +1,455 ft |
| QUEEN | 903 ft | +1,304 ft |
| GRAYBURG | 1,248 ft | +959 ft |
| SAN ANDRES | 1,380 ft | +827 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 |
|---|---|
| 1,683–1,694 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 371 ft | 300 sx |
| 5.5" | 1,788 ft | 450 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 12
- Max Depth
- 1,850 ft
- Drill Type
- Vertical
- County
- MITCHELL
- District
- 8
- Operator
- COALINGA CORPORATION
- Completed
- 1987-01-02
Operator
- Name
- COALINGA CORP
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 1998-02-02)
- Cum Oil (all leases)
- 1,120,841 bbl
- Cum Gas (all leases)
- 897,475 mcf
- Total Permits
- 68