42-445-30588

Final Completion Horizontal

WELLMAN WEST UNIT

TERRY County · District 8 · WHITE ROCK OIL & GAS LLC · WELLMAN W. (SAN ANDRES)

Permits

Max Depth

5,700 ft

First Permit

1977-08-19

Latest Activity

2005-06-08

Lifespan

28 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-01-23

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: WHITE ROCK OIL & GAS LLC ≠ Permit: DEVON ENERGY PRODUCTION CO, L.P.

Resolved via: production → WHITE ROCK OIL & GAS, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000051419 permitted 2005-08-24

Permitted Volume

800 bbl/d

Max Pressure

2,000 psi

Injection Interval

4,953–5,592 ft

Injected (12mo)

163,141 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Operator History

Chain of Custody

SANTA FE ENERGY OPER. PART., LP 1993-1994→ SANTA FE ENERGY RESOURCES, INC. 1995-1999→ SANTA FE SNYDER CORPORATION 1999-2000→ DEVON SFS OPERATING, INC. 2000-2002→ DEVON ENERGY PRODUCTION CO, L.P. 2002-2018→ WHITE ROCK OIL & GAS, LLC 2019-2026

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 (3) Elevation 3,379 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	3,358 ft	+21 ft
YATES	3,558 ft	-179 ft
SAN ANDRES	5,100 ft	-1,721 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 (2)

Interval	Type
5,269–5,558 ft	Perforated
5,556–5,572 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	423 ft	350 sx
8.625"	3,564 ft	1,830 sx
5.5"	5,589 ft	450 sx

Permit History (2)

#601760 Recompletion Final Completion

WELLMAN WEST UNIT · 5,592 ft

2005-06-08

Spud 2005-09-22

#5801 Drill

ODC C · 5,700 ft

1977-08-19

Applications (2)

#601760 A DEVON ENERGY PRODUCTION CO, L.P.

received 2005-06-07

#5801 A COLINE OIL CORP.

received 1977-08-19

Records & Logs

6 completion filings on record · 1 with log images at RRC.

W-2/G-1 2006-06-07 log on file

W-2/G-1 1984-02-22

W-2/G-1 1977-11-15

W-2/G-1 1984-01-12

Completion packets + logs ↗ Wellbore filings ↗

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

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

Well Details

Well Number: 9HW
Max Depth: 5,700 ft
Drill Type: Horizontal
County: TERRY
District: 8
Operator: WHITE ROCK OIL & GAS LLC
Completed: 1984-01-23

Operator

Name: WHITE ROCK OIL & GAS, LLC
Location: PLANO
P-5 Status: Active (filed 2025-07-18)
Cum Oil (all leases): 6,056,932 bbl
Cum Gas (all leases): 30,143,926 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 31