42-123-35152

PRODUCING Horizontal

BIG OAK B

DE WITT County · District 2 · DEVON ENERGY PRODUCTION CO L.P. · EAGLEVILLE (EAGLE FORD-2)

Permits

1

Max Depth

12,841 ft

First Permit

2022-02-28

Latest Activity

2022-02-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-05-17

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: DEVON ENERGY PRODUCTION CO L.P. ≠ Permit: BPX OPERATING COMPANY

Resolved via: schedulingDEVON ENERGY PRODUCTION CO L.P.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-08

Last Production

2026-07

Operator History

originally filed by BPX OPERATING COMPANY — asset transferred

Lease Production

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

Formation Tops (8) Elevation 329 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA 1,000 ft-671 ft
FRIO 1,800 ft-1,471 ft
VICKSBURG 2,400 ft-2,071 ft
YEGUA 3,000 ft-2,671 ft
WILCOX 5,441 ft-5,112 ft
AUSTIN CHALK 12,285 ft-11,956 ft
EAGLE FORD 12,825 ft-12,496 ft
EDWARDS - H2S (Edwards)

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
42-123-35153 BIG OAK B · BPX OPERATING COMPANY
0.0 mi
Catahoula 1,000'Frio 1,800'Vicksburg 2,400'Yegua 3,000'Wilcox 5,462'Austin Chalk 12,296'Eagle Ford 12,801'Edwards
42-123-35151 BIG OAK B · BPX OPERATING COMPANY
0.0 mi
Catahoula 1,000'Frio 1,800'Vicksburg 2,400'Yegua 3,000'Wilcox 5,461'Austin Chalk 12,275'Eagle Ford 12,779'Edwards
42-123-35167 BIG OAK B · BPX OPERATING COMPANY
0.0 mi
Catahoula 1,000'Frio 1,800'Vicksburg 2,400'Yegua 3,000'Wilcox 5,459'Austin Chalk 12,308'Eagle Ford 12,846'Edwards
42-123-32539 J-HERMANN E · PETROHAWK OPERATING COMPANY
0.4 mi
Pecan Gap 11,927'Austin Chalk 12,173'Eagle Ford 12,728'
42-123-35619 BIG OAK B · DEVON ENERGY PRODUCTION CO, L.P.
0.4 mi
Catahoula 965'Frio 1,762'Vicksburg 2,341'Yegua 2,924'Wilcox 5,397'Austin Chalk 12,209'Eagle Ford 12,778'Edwards
42-123-35618 BIG OAK A · DEVON ENERGY PRODUCTION CO, L.P.
0.4 mi
Catahoula 954'Frio 1,757'Vicksburg 2,300'Yegua 2,920'Wilcox 5,393'Austin Chalk 12,218'Eagle Ford 12,744'Edwards
42-123-35617 BIG OAK A · DEVON ENERGY PRODUCTION CO, L.P.
0.4 mi
Catahoula 942'Frio 1,743'Vicksburg 2,322'Yegua 2,905'Wilcox 5,378'Austin Chalk 12,201'Eagle Ford 12,732'Edwards
42-123-35616 BIG OAK A · DEVON ENERGY PRODUCTION CO, L.P.
0.4 mi
Catahoula 932'Frio 1,729'Vicksburg 2,307'Yegua 2,892'Wilcox 5,365'Austin Chalk 12,193'Eagle Ford 12,722'Edwards

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
13,150–19,708 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,300 ft1,568 sx
5.5"19,805 ft3,679 sx

Permit History (1)

Applications (1)

#877398 A BPX OPERATING COMPANY
received 2022-02-24

Records & Logs

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

W-2/G-1 2026-05-18
W-2/G-1 2026-01-19
W-2/G-1 2023-03-26 log on file
W-2/G-1 2022-12-29 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 29.274262
Lon -97.302474

Well Details

Well Number
4H
Max Depth
12,841 ft
Drill Type
Horizontal
County
DE WITT
District
2
Completed
2026-05-17

Operator

Location
OKLAHOMA CI, TY
P-5 Status
Active (filed 2025-12-18)
Cum Oil (all leases)
365,943,944 bbl
Cum Gas (all leases)
9,274,880,220 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
9,259