← Wells

42-507-32381

Horizontal

JOHNSON

ZAVALA County · District 1 · BUFFCO PRODUCTION INC.

Permits

2

Max Depth

9,000 ft

First Permit

1990-10-17

Latest Activity

2020-03-16

Lifespan

29 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

WINN EXPLORATION CO., INC. 1993-1994→ MCDAY ENERGY CORP. 1994-2018→ BUFFCO PRODUCTION INC. 2018-2021

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 (4) Elevation 642 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ESCONDIDO - DISPOSAL (Escondido)3,238 ft-2,596 ft
OLMOS 4,414 ft-3,772 ft
AUSTIN CHALK 5,300 ft-4,658 ft
AUSTIN CHALK 5,660 ft-5,018 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-507-33345 STCH-JOHNSON · BUFFCO PRODUCTION INC.
0.9 mi
Escondido 3,035'Austin Chalk 5,666'Eagle Ford 6,239'
✓ 42-507-33347 STCH-JOHNSON · BUFFCO PRODUCTION INC.
0.9 mi
Escondido 3,039'Austin Chalk 5,673'Eagle Ford 6,251'
✓ 42-507-33411 POWELL-STCH JOHNSON · BUFFCO PRODUCTION INC.
1.2 mi
Escondido 2,976'Olmos 3,960'Austin Chalk 5,600'Eagle Ford 6,162'
✓ 42-507-33463 STCH-JOHNSON · BUFFCO PRODUCTION INC.
1.4 mi
Escondido 3,063'Austin Chalk 5,685'Eagle Ford 6,425'
✓ 42-507-33462 STCH-JOHNSON · BUFFCO PRODUCTION INC.
1.4 mi
Escondido 3,062'Austin Chalk 5,687'Eagle Ford 6,425'
✓ 42-507-33396 POWELL UNIT ZAV A · EXCO OPERATING COMPANY, LP
1.6 mi
Escondido 3,077'Olmos 4,204'Anacacho 5,337'Austin Chalk 5,625'Eagle Ford 6,230'
✓ 42-507-33403 WALKER-HOLDSWORTH ZAV ALLOC · EXCO OPERATING COMPANY, LP
1.6 mi
Escondido 3,086'Olmos 4,183'Anacacho 5,334'Austin Chalk 5,652'Eagle Ford 6,224'
✓ 42-507-33322 NORMA JEANNE · SN OPERATING, LLC
1.9 mi
Escondido 2,905'Olmos 3,898'San Miguel 4,639'Anacacho 5,094'LORENZO AUSTIN CHALK 5,530'BRISCOE RANCH EAGLEFORD 6,202'

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (2)

IntervalType
5,380–9,683 ftPerforated
6,174–9,683 ftOpen hole

Casing (2)

SizeSet DepthCement
10.75"793 ft495 sx
7"5,380 ft445 sx

Permit History (2)

#862476 Recompletion

JOHNSON · 9,000 ft

2020-03-16

#379252 Drill Final Completion

JOHNSON · 7,000 ft

1990-10-17

Spud 2019-07-15

Applications (2)

#862476 A BUFFCO PRODUCTION INC.
received 2020-03-03
#379252 A WINN EXPLORATION CO., INC.
received 1990-10-11

Records & Logs

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

W-2/G-1 2019-09-24 log on file
W-2/G-1 1992-02-03 log on file
W-2/G-1 1992-12-10
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.

Google Maps → Explorer Map →
Lat 28.744238
Lon -99.567412

Well Details

Well Number
3R
Max Depth
9,000 ft
Drill Type
Horizontal
County
ZAVALA
District
1
Operator
BUFFCO PRODUCTION INC.

Operator

Location
LONGVIEW
P-5 Status
Active (filed 2025-11-14)
Cum Oil (all leases)
10,945,076 bbl
Cum Gas (all leases)
64,034,660 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
394