42-127-32407

Final Completion

BIG WELLS /SAN MIGUEL/ UNIT

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

Permits

1

Max Depth

5,800 ft

First Permit

1982-10-21

Latest Activity

1982-10-21

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1982-11-22

Shut-In

Plugged

2021-01-20

!

EWA / Permit operator mismatch

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

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 2021-03-04 UIC #000045341 permitted 1982-11-23

Permitted Volume

1,200 bbl/d

Max Pressure

2,000 psi

Injection Interval

5,390–5,620 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2021-03-01)

Lease Production

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

Formation Tops (1) Elevation 523 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN MIGUEL 4,957 ft-4,434 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 (2)

IntervalType
5,498–5,531 ftPerforated
?–5,531 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"175 ft140 sx
2.875"5,380 ft
5.5"5,700 ft565 sx

Permit History (1)

Applications (1)

#175047 A SUN EXPL. & PROD. CO.-HOUSTON
received 1982-10-21

Records & Logs

2 completion filings on record.

W-2/G-1 2014-03-04
W-2/G-1 1982-12-06

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
4139W
Max Depth
5,800 ft
Drill Type
Vertical
County
DIMMIT
District
1
Completed
1982-11-22

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