42-127-32595

Final Completion

BIG WELLS /SAN MIGUEL/ UNIT

DIMMIT County · District 1 · FLINT OAK ENERGY LLC · BIG WELLS (SAN MIGUEL)

Permits

1

Max Depth

5,900 ft

First Permit

1984-12-13

Latest Activity

1984-12-13

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-07-01

Shut-In

Plugged

2025-10-16

!

EWA / Permit operator mismatch

Scheduling: FLINT OAK ENERGY LLC ≠ Permit: SUN EXPL. & PROD. CO.-CORPUS

Resolved via: productionFLINT OAK ENERGY, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

H-1 Injection Plugged 2025-10-30 UIC #000056840 permitted 1985-06-25

Permitted Volume

1,500 bbl/d

Max Pressure

2,000 psi

Injection Interval

5,486–5,526 ft

Injected (12mo)

22,425 bbl

Monthly injected volume (bbl, from H-10 filings through 2026-03-01)

Lease Production

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

Formation Tops (2) Elevation 500 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
(SAN MIGUEL) (San Miguel)5,486 ft-4,986 ft
SAN MIGUEL 5,486 ft-4,986 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
5,486–5,526 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"613 ft410 sx
5.5"5,700 ft1,005 sx

Permit History (1)

Applications (1)

#261143 A SUN EXPL. & PROD. CO.-CORPUS
received 1984-12-13

Records & Logs

4 completion filings on record.

W-2/G-1 2011-01-19
W-2/G-1 2011-01-24
W-2/G-1 1985-08-21
W-2/G-1 1985-08-31

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 DIMMIT County.

Well Details

Well Number
5457
Max Depth
5,900 ft
Drill Type
Vertical
County
DIMMIT
District
1
Completed
1985-07-01

Operator

Location
MONTGOMERY
P-5 Status
Active (filed 2026-04-15)
Cum Oil (all leases)
675,155 bbl
Cum Gas (all leases)
737,870 mcf
Activities
OPRS/G, OPRS/O
Total Permits
14