42-445-30589

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

2005-10-19

Lifespan

28 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1977-12-07

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 Inactive UIC #000088503 permitted 1999-01-22

Permitted Volume

500 bbl/d

Max Pressure

2,690 psi

Injection Interval

5,538–5,555 ft

Injected (12mo)

—

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.

Formation Tops (2) Elevation 3,359 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SAN ADNRES	4,934 ft	-1,575 ft
SAN ANDRES	4,934 ft	-1,575 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
5,023–5,563 ft	Perforated
5,538–5,571 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	403 ft	350 sx
8.625"	3,575 ft	1,500 sx
5.5"	5,609 ft	250 sx

Permit History (2)

#607995 Recompletion Final Completion

SIX HEARTS, LTD., ET AL · 5,615 ft

2005-10-19

Spud 2005-11-13

#5803 Drill Final Completion

ODC 47-A · 5,700 ft

1977-08-19

Spud 1977-11-13

Applications (2)

#607995 A DEVON ENERGY PRODUCTION CO, L.P.

received 2005-10-17

#5803 A COLINE OIL CORP.

received 1977-08-19

Records & Logs

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

W-2/G-1 2006-04-27 log on file

W-2/G-1 1978-01-25

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: 1
Max Depth: 5,700 ft
Drill Type: Horizontal
County: TERRY
District: 8
Operator: WHITE ROCK OIL & GAS LLC
Completed: 1977-12-07

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