42-371-07180
Final Completion HorizontalYATES I. G. -B-
PECOS County · District 8 · MARATHON OIL COMPANY · YATES
Permits
2
Max Depth
1,999 ft
First Permit
2007-08-22
Latest Activity
2018-05-24
Lifespan
11 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: MARATHON OIL COMPANY ≠ Production: KINDER MORGAN PRODUCTION CO LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: MARATHON OIL COMPANY ≠ Permit: KINDER MORGAN PRODUCTION CO LLC
Resolved via: production → KINDER MORGAN PRODUCTION CO 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 2,621 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE (CRETACEOUS) (Base Cretaceous (marker)) | 671 ft | +1,950 ft |
| BASE CRETACEOUS (Base Cretaceous (marker)) | 671 ft | +1,950 ft |
| YATES (SMITH SAND) (Yates) | 709 ft | +1,912 ft |
| SEVEN RIVERS | 790 ft | +1,831 ft |
| QUEEN | 1,224 ft | +1,397 ft |
| GRAYBURG | 1,248 ft | +1,373 ft |
| SAN ANDRES | 1,402 ft | +1,219 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 (3)
| Interval | Type |
|---|---|
| 1,499–2,406 ft | Open hole |
| 1,579–2,620 ft | Perforated |
| ?–1,500 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 12.5" | 550 ft | 200 sx |
| 10.75" | 770 ft | 200 sx |
| 10.75" | 770 ft | 200 sx |
| 8.625" | 1,120 ft | 175 sx |
| 7" | 1,201 ft | 150 sx |
| 5.5" | 1,580 ft | 575 sx |
Permit History (2)
Applications (2)
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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 40A35
- Max Depth
- 1,999 ft
- Drill Type
- Horizontal
- County
- PECOS
- District
- 8
- Operator
- MARATHON OIL COMPANY
Operator
- Name
- MARATHON OIL CO
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-08-14)
- Cum Oil (all leases)
- 183,150,113 bbl
- Cum Gas (all leases)
- 1,013,063,895 mcf
- Activities
- CSGD/P, G/PUR
- Total Permits
- 3,707