42-003-35406

PRODUCING Horizontal

RALPH -A-

ANDREWS County · District 8 · WHITE ROCK OIL & GAS LLC · FULLERTON

Permits

Max Depth

7,400 ft

First Permit

1986-01-22

Latest Activity

2005-09-28

Lifespan

20 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2005-12-15

Shut-In

—

Plugged

—

P-5 Org Status: Active

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

KERR-MCGEE CORPORATION 1993-1996→ DEVON ENERGY CORPORATION(NEVADA) 1997-2000→ DEVON ENERGY PRODUCTION CO, L.P. 2000-2018→ 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 (5) Elevation 3,320 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	1,608 ft	+1,712 ft
YATES	2,853 ft	+467 ft
CLEARFORK (Clear Fork)	6,000 ft	-2,680 ft
TUBB	6,597 ft	-3,277 ft
LOWER CLEARFORK (Clear Fork)	6,745 ft	-3,425 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
6,626–7,105 ft	Perforated
6,626–? ft	Perforated
6,803–7,106 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	1,692 ft	850 sx
8.625"	1,692 ft	850 sx
5.5"	7,200 ft	1,805 sx

Permit History (2)

#607035 Recompletion Final Completion

RALPH A · 7,200 ft

2005-09-28

Spud 2005-10-25

#296020 Drill Final Completion

RALPH "A" · 7,400 ft

1986-01-22

Spud 1986-02-11

Applications (2)

#607035 A DEVON ENERGY PRODUCTION CO, L.P.

received 2005-09-27

#296020 A MOBIL PRODUCING TX. & N.M. INC.

received 1986-01-22

Records & Logs

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

W-2/G-1 2006-06-09 log on file

W-2/G-1 2006-07-28

W-2/G-1 1986-05-12 log on file

W-2/G-1 1986-05-17

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 ANDREWS County.

Well Details

Well Number: 15H
Max Depth: 7,400 ft
Drill Type: Horizontal
County: ANDREWS
District: 8
Operator: WHITE ROCK OIL & GAS LLC
Completed: 2005-12-15

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