42-445-31863

Final Completion HorizontalSidetrack

WELLMAN WEST UNIT

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

Permits

Max Depth

5,700 ft

First Permit

1997-12-11

Latest Activity

2003-03-06

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1998-01-31

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

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 3,371 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	2,414 ft	+957 ft
YATES	3,299 ft	+72 ft
SAN ANDRES	4,920 ft	-1,549 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
5,486–5,551 ft	Perforated
5,580–7,976 ft	Open hole

Casing (3)

Size	Set Depth	Cement
13.375"	460 ft	450 sx
8.625"	3,592 ft	1,150 sx
5.5"	5,649 ft	875 sx

Permit History (2)

#529236 Recompletion Final Completion

WELLMAN WEST UNIT · 5,700 ft

2003-03-06

Spud 2003-03-10

#471107 Drill Final Completion

WELLMAN, WEST UNIT · 5,700 ft

1997-12-11

Spud 1998-01-03

Applications (2)

#529236 A DEVON ENERGY PRODUCTION CO, L.P.

received 2003-03-06

#471107 A SANTA FE ENERGY RESOURCES, INC.

received 1997-12-11

Records & Logs

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

W-2/G-1 2003-08-12

W-2/G-1 1998-03-17 log on file

W-2/G-1 1998-05-19

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: 31H
Max Depth: 5,700 ft
Drill Type: Horizontal, Sidetrack
County: TERRY
District: 8
Operator: WHITE ROCK OIL & GAS LLC
Completed: 1998-01-31

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