42-371-35376

YATES FIELD UNIT

PECOS County · District 8 · MARATHON OIL COMPANY

Permits

Max Depth

1,999 ft

First Permit

1985-02-19

Latest Activity

1999-10-19

Lifespan

15 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MARATHON OIL COMPANY 1993-2003→ KINDER MORGAN SACROC LP 2003-2003→ KINDER MORGAN PRODUCTION CO LP 2003-2007→ KINDER MORGAN PRODUCTION CO LLC 2007-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil

production & DCA →

Formation Tops (7) Elevation 2,588 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))	528 ft	+2,060 ft
YATES (SMITH SAND) (Yates)	724 ft	+1,864 ft
YATES SMITH SAND (Yates)	724 ft	+1,864 ft
SEVEN RIVERS	826 ft	+1,762 ft
QUEEN	1,280 ft	+1,308 ft
GRAYBURG	1,314 ft	+1,274 ft
SAN ANDRES	1,370 ft	+1,218 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 (4)

Interval	Type
1,438–1,518 ft	Perforated
1,466–1,470 ft	Perforated
1,476–1,518 ft	Perforated
1,526–1,548 ft	Perforated

Casing (2)

Size	Set Depth	Cement
13.375"	986 ft	900 sx
8.625"	1,558 ft	600 sx

Permit History (2)

#488638 Recompletion

YATES FIELD UNIT · 1,999 ft

1999-10-19

#267108 Drill Final Completion

YATES FIELD UNIT · 1,588 ft

1985-02-19

Applications (2)

#488638 A MARATHON OIL COMPANY

received 1999-10-19

#267108 A MARATHON OIL COMPANY

received 1985-02-19

Records & Logs

3 completion filings on record.

W-2/G-1 1995-09-29

W-2/G-1 1985-06-18

W-2/G-1 1985-06-25

Completion packets + logs ↗ Wellbore filings ↗

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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in PECOS County.

Well Details

Well Number: 35B63
Max Depth: 1,999 ft
Drill Type: Vertical
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