42-041-31455

Final Completion

RUFFINO, PRESTON "B"

BRAZOS County · District 3 · UNION PACIFIC RESOURCES COMPANY

Permits

Max Depth

8,500 ft

First Permit

1985-12-13

Latest Activity

1989-12-08

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

UNION PACIFIC RESOURCES COMPANY 1993-2001→ RME PETROLEUM COMPANY 2001-2002→ ANADARKO E&P COMPANY LP 2002-2012→ ANADARKO E&P ONSHORE LLC 2013-2015→ WILDHORSE RESOURCES MNGT CO, LLC 2018-2018

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 (8) Elevation 364 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MIDWAY	4,046 ft	-3,682 ft
PECAN GAP	6,211 ft	-5,847 ft
TOP - AUSTIN CHALK	7,031 ft	-6,667 ft
TOP AUSTIN CHALK (Austin Chalk)	7,031 ft	-6,667 ft
BASE - AUSTIN CHALK	7,316 ft	-6,952 ft
BASE-AUSTIN CHALK (Austin Chalk)	7,316 ft	-6,952 ft
BUDA	7,833 ft	-7,469 ft
GEORGETOWN	7,930 ft	-7,566 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
7,835–7,849 ft	Perforated
7,850–7,880 ft	Perforated
7,890–7,898 ft	Perforated
7,944–8,008 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,043 ft	550 sx
5.5"	8,180 ft	1,200 sx

Permit History (2)

#367438 Drill Final Completion

RUFFINO, PRESTON "B" · 8,500 ft

1989-12-08

#292920 Drill

RUFFINO, P. "B" · 8,450 ft

1985-12-13

Applications (2)

#367438 A UNION PACIFIC RESOURCES COMPANY

received 1989-12-08

#292920 A CHAMPLIN PETROLEUM CO.

received 1985-12-12

Records & Logs

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

W-2/G-1 2008-04-04

W-2/G-1 1990-04-26 log on file

W-2/G-1 1990-05-11

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 BRAZOS County.

Well Details

Well Number: 2
Max Depth: 8,500 ft
Drill Type: Vertical
County: BRAZOS
District: 3
Operator: UNION PACIFIC RESOURCES COMPANY

Operator

Name: UNION PACIFIC RES CO
Location: FORT WORTH
P-5 Status: Inactive (filed 2000-05-02)
Cum Oil (all leases): 75,300,375 bbl
Cum Gas (all leases): 1,818,873,181 mcf
Total Permits: 5,638