42-163-32337

Final Completion HorizontalSidetrack

BIG FOOT OLMOS B SAND UNIT

FRIO County · District 1 · MAVERICK ENERGY GROUP INC. · BIG FOOT

Permits

2

Max Depth

5,350 ft

First Permit

1984-07-19

Latest Activity

1990-07-13

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-09-06

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: MAVERICK ENERGY GROUP INC. ≠ Permit: SHELL WESTERN E&P INC.

Resolved via: schedulingMAVERICK ENERGY GROUP INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 (7) Elevation 649 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
WILCOX 1,450 ft-801 ft
MIDWAY 2,340 ft-1,691 ft
NAVARRO 2,800 ft-2,151 ft
OLMOS "B" (Olmos)3,432 ft-2,783 ft
OLMOS "C" (Olmos)3,520 ft-2,871 ft
OLMOS C (Olmos)3,520 ft-2,871 ft
OLMOS B (Olmos)3,678 ft-3,029 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 (6)

IntervalType
3,438–3,440 ftPerforated
3,442–3,450 ftPerforated
3,452–3,461 ftPerforated
3,470–3,472 ftPerforated
3,476–3,480 ftPerforated
3,597–5,077 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"130 ft100 sx
5.5"3,606 ft580 sx

Permit History (2)

Applications (2)

#375274 A SHELL WESTERN E&P INC.
received 1990-07-09
#245433 A SHELL WESTERN E&P INC.
received 1984-07-09

Records & Logs

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

W-2/G-1 1992-03-23
W-2/G-1 1984-10-15 log on file
W-2/G-1 1984-10-15 log on file
W-2/G-1 1984-10-24

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 FRIO County.

Well Details

Well Number
408AH
Max Depth
5,350 ft
Drill Type
Horizontal, Sidetrack
County
FRIO
District
1
Completed
1984-09-06

Operator

Location
TULSA
P-5 Status
Delinquent (filed 2022-02-18)
Cum Oil (all leases)
781,142 bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/O
Total Permits
134