42-371-36099

YATES FIELD UNIT

PECOS County · District 8 · MARATHON OIL COMPANY

Permits

Max Depth

1,999 ft

First Permit

1988-07-27

Latest Activity

2002-03-20

Lifespan

14 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 (6) Elevation 2,695 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))	649 ft	+2,046 ft
YATES (SMITH SAND) (Yates)	732 ft	+1,963 ft
SEVEN RIVERS	819 ft	+1,876 ft
QUEEN	1,270 ft	+1,425 ft
GRAYBURG	1,310 ft	+1,385 ft
SAN ANDRES	1,360 ft	+1,335 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
1,538–1,543 ft	Perforated
1,580–1,594 ft	Perforated
1,615–1,645 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	705 ft	500 sx
9.625"	1,145 ft	275 sx
7"	1,655 ft	365 sx

Permit History (3)

#518177 Recompletion

YATES FIELD UNIT · 1,999 ft

2002-03-20

#481794 Recompletion Final Completion

YATES FIELD UNIT · 1,999 ft

1999-01-05

Spud 1998-05-12

#348381 Drill Final Completion

YATES FIELD UNIT · 1,684 ft

1988-07-27

Spud 1988-08-22

Applications (3)

#518177 A MARATHON OIL COMPANY

received 2002-03-08

#481794 A MARATHON OIL COMPANY

received 1998-12-28

#348381 A MARATHON OIL COMPANY

received 1988-06-30

Records & Logs

3 completion filings on record · 2 with log images at RRC.

W-2/G-1 1999-01-12 log on file

W-2/G-1 1988-11-08 log on file

W-2/G-1 1988-11-23

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: 50B15
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