42-445-30584

Final Completion HorizontalSidetrack

WELLMAN WEST UNIT

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

Permits

Max Depth

5,600 ft

First Permit

1977-08-08

Latest Activity

2003-09-03

Lifespan

26 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-02-20

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 #000051422 permitted 2003-10-16

Permitted Volume

600 bbl/d

Max Pressure

2,000 psi

Injection Interval

4,953–5,668 ft

Injected (12mo)

97,306 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 (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	3,355 ft	+24 ft
SAN ANDRES	5,110 ft	-1,731 ft
SAN ANDRES POROSITY (San Andres)	5,548 ft	-2,169 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
5,551–5,572 ft	Perforated
5,737–8,903 ft	Open hole
5,772–7,375 ft	Open hole
?–5,572 ft	Perforated

Casing (3)

Size	Set Depth	Cement
12.75"	419 ft	475 sx
8.625"	3,532 ft	1,730 sx
5.5"	5,592 ft	1,375 sx

Permit History (2)

#536245 Drill Final Completion

WELLMAM WEST UNIT · 5,600 ft

2003-09-03

Spud 2003-10-20

#4910 Drill

SMITH · 5,600 ft

1977-08-08

Spud 1977-09-24

Applications (2)

#536245 A DEVON ENERGY PRODUCTION CO, L.P.

received 2003-09-09

#4910 A ADOBE OIL CO.

received 1977-08-03

Records & Logs

5 completion filings on record.

W-2/G-1 2004-02-09

W-2/G-1 1984-03-19

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: 15HW
Max Depth: 5,600 ft
Drill Type: Horizontal, Sidetrack
County: TERRY
District: 8
Operator: WHITE ROCK OIL & GAS LLC
Completed: 1984-02-20

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