42-507-33348

PRODUCING Horizontal

ROBERT WALKER UNIT ZAV B

ZAVALA County · District 1 · EXCO OPERATING COMPANY LP · BRISCOE RANCH (EAGLEFORD)

Permits

1

Max Depth

7,000 ft

First Permit

2019-02-26

Latest Activity

2019-02-26

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-08-21

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2014-07

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (5) Elevation 727 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ESCONDIDO - DISPOSAL (Escondido)3,160 ft-2,433 ft
OLMOS 4,178 ft-3,451 ft
ANACACHO 5,372 ft-4,645 ft
AUSTIN CHALK 5,666 ft-4,939 ft
EAGLE FORD 6,247 ft-5,520 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
42-507-33349 ROBERT WALKER UNIT ZAV B · EXCO OPERATING COMPANY, LP
0.0 mi
Escondido 3,160'Olmos 4,154'Anacacho 5,367'Austin Chalk 5,666'Eagle Ford 6,271'
42-507-33405 WALKER-COLEMAN ALLOC B · EXCO OPERATING COMPANY, LP
0.7 mi
Escondido 3,100'Olmos 4,158'Anacacho 5,317'Austin Chalk 5,632'Eagle Ford 6,209'
42-507-33404 WALKER-COLEMAN ALLOC A · EXCO OPERATING COMPANY, LP
0.8 mi
Escondido 3,102'Olmos 4,134'Anacacho 5,321'Austin Chalk 5,609'Eagle Ford 6,205'
42-507-33436 PRIEST-TRINKLE · BUFFCO PRODUCTION INC.
0.9 mi
Escondido 3,266'Austin Chalk 5,770'Eagle Ford 6,535'
42-507-33435 PRIEST-TRINKLE · BUFFCO PRODUCTION INC.
0.9 mi
Escondido 3,288'Austin Chalk 5,788'Eagle Ford 6,556'
42-507-33372 COLEMAN ZAV D · EXCO OPERATING COMPANY, LP
0.9 mi
Escondido 3,264'Olmos 4,264'Anacacho 5,445'Austin Chalk 5,737'Eagle Ford 6,332'
42-507-33365 COLEMAN UNIT ZAV E · EXCO OPERATING COMPANY, LP
0.9 mi
Escondido 3,282'Olmos 4,260'Anacacho 5,441'Austin Chalk 5,728'Eagle Ford 6,334'
42-507-33403 WALKER-HOLDSWORTH ZAV ALLOC · EXCO OPERATING COMPANY, LP
1.1 mi
Escondido 3,086'Olmos 4,183'Anacacho 5,334'Austin Chalk 5,652'Eagle Ford 6,224'

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 (1)

IntervalType
6,752–15,740 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"2,860 ft725 sx
5.5"15,838 ft3,255 sx

Permit History (1)

Applications (1)

#850083 A EXCO OPERATING COMPANY, LP
received 2019-02-15

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2019-10-10 log on file

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.

Lat 28.779929
Lon -99.550413

Well Details

Well Number
2H
Max Depth
7,000 ft
Drill Type
Horizontal
County
ZAVALA
District
1
Completed
2019-08-21

Operator

Location
DALLAS
P-5 Status
Active (filed 2025-08-22)
Cum Oil (all leases)
68,406,744 bbl
Cum Gas (all leases)
618,508,398 mcf
Activities
G/PUR, OPRS/G, OPRS/O
Total Permits
506