42-115-31172

Final Completion Sidetrack

WELCH NORTH UNIT

DAWSON County · District 8 · WHITE ROCK OIL & GAS LLC · WELCH

Permits

Max Depth

5,000 ft

First Permit

1977-09-13

Latest Activity

2001-01-23

Lifespan

23 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2001-03-07

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

DAWSON County disposal market →

H-1 Injection Active UIC #000092940 permitted 2003-04-25

Permitted Volume

500 bbl/d

Max Pressure

2,000 psi

Injection Interval

4,440–4,918 ft

Injected (12mo)

32,101 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-08-01)

Operator History

Chain of Custody

PENNZOIL PETROLEUM COMPANY 1993-1995→ PENNZOIL EXPLORATION & PROD. CO. 1995-1999→ PENNZENERGY EXP. & PROD., L.L.C. 1999-2000→ 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 (2) Elevation 3,122 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SAN ANDRES	4,452 ft	-1,330 ft
SAN ANDRES POROSITY (San Andres)	4,893 ft	-1,771 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
4,693–4,918 ft	Perforated
4,693–7,251 ft	Perforated
4,880–4,907 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	367 ft	275 sx
8.625"	367 ft	275 sx
5.5"	4,880 ft	300 sx

Permit History (2)

#504451 Recompletion Final Completion

NORTH WELCH UNIT · 4,907 ft

2001-01-23

Spud 2001-02-08

#8722 Drill

NORTH WELCH UNIT · 5,000 ft

1977-09-13

Applications (2)

#504451 A DEVON ENERGY PRODUCTION CO, L.P.

received 2001-01-23

#8722 A KEWANEE OIL COMPANY

received 1977-09-13

Records & Logs

5 completion filings on record.

W-2/G-1 2004-01-20

W-2/G-1 2001-04-13

W-2/G-1 2001-10-12

W-2/G-1 1977-10-27

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 DAWSON County.

Well Details

Well Number: 4687H
Max Depth: 5,000 ft
Drill Type: Sidetrack
County: DAWSON
District: 8
Operator: WHITE ROCK OIL & GAS LLC
Completed: 2001-03-07

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