42-337-31532

Final Completion

HOLT SAND UNIT

MONTAGUE County · District 9 · WAKO OIL CO. LLC · MONTAGUE COUNTY REGULAR

Permits

Max Depth

1,800 ft

First Permit

1980-12-23

Latest Activity

1989-07-13

Lifespan

9 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1981-05-05

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: WAKO OIL CO. LLC ≠ Permit: O-RRELL OIL COMPANY

Resolved via: production → WAKO OIL CO. LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

O-RRELL OIL COMPANY 1993-2002→ SEELYE, WILLIAM L. 2002-2005→ SEEL-MAC OIL & GAS LLC 2005-2010→ BRAHMAN OPERATING, L.L.C. 2010-2012→ WAKO OIL CO. LLC 2012-2026

Lease Production

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

Formation Tops (1) Elevation 887 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CISCO SAND (Cisco)	1,012 ft	-125 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)

Interval	Type
1,012–1,015 ft	Perforated
1,635–1,675 ft	Perforated

Casing (4)

Size	Set Depth	Cement
9.625"	703 ft	475 sx
2.875"	1,700 ft	—
5.5"	1,795 ft	150 sx
5.5"	1,795 ft	650 sx

Permit History (2)

#361369 Recompletion Final Completion

HOLT, D. T. "A" · 1,320 ft

1989-07-13

#103237 Drill Final Completion

HOLT SAND UNIT · 1,800 ft

1980-12-23

Spud 1981-04-20

Applications (2)

#361369 A O-RRELL OIL COMPANY

received 1989-07-11

#103237 A ARCO OIL & GAS CO.

received 1980-12-23

Records & Logs

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

W-2/G-1 1989-08-04 log on file

W-2/G-1 1989-08-16

W-2/G-1 1984-11-30

W-2/G-1 1981-12-04

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 MONTAGUE County.

Well Details

Well Number: 104
Max Depth: 1,800 ft
Drill Type: Vertical
County: MONTAGUE
District: 9
Operator: WAKO OIL CO. LLC
Completed: 1981-05-05

Operator

Name: WAKO OIL CO. LLC
Location: GRAHAM
P-5 Status: Active (filed 2025-12-03)
Cum Oil (all leases): 92,480 bbl
Cum Gas (all leases): — mcf
Activities: OPRS/O