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BIG FOOT OLMOS B SAND UNIT

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

Permits

1

Max Depth

4,000 ft

First Permit

1986-01-31

Latest Activity

1986-01-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1986-03-14

Shut-In

—

Plugged

—

P-5 Org Status: Delinquent

!

EWA / Permit operator mismatch

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

Resolved via: scheduling → MAVERICK ENERGY GROUP INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

HCM 1993-2003→ MAVERICK ENERGY GROUP, LLC 2004-2005→ MAVERICK ENERGY GROUP, INC. 2005-2022→ WHITE OAK OPERATING COMPANY LLC 2012-2013→ JENEX PETROLEUM CORPORATION 2013-2015

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 (2) Elevation 643 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
OLMOS B (Olmos)3,515 ft-2,872 ft
OLMOS C (Olmos)3,644 ft-3,001 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 (1)

IntervalType
3,514–3,544 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"117 ft75 sx
5.5"3,660 ft550 sx

Permit History (1)

#296851 Drill Final Completion

BIG FOOT OLMOS B SAND UNIT · 4,000 ft

1986-01-31

Spud 1986-02-18

Applications (1)

#296851 A SHELL WESTERN E&P INC.
received 1986-01-30

Records & Logs

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

W-2/G-1 1986-05-30 log on file
W-2/G-1 1986-06-06
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 FRIO County.

Well Details

Well Number
344A
Max Depth
4,000 ft
Drill Type
Vertical
County
FRIO
District
1
Operator
MAVERICK ENERGY GROUP INC.
Completed
1986-03-14

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