42-337-31520

HOLT SAND UNIT

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

Permits

Max Depth

1,800 ft

First Permit

1980-12-10

Latest Activity

1990-07-11

Lifespan

10 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

Injection / Disposal

H-1 Injection Cancelled 1993-05-03 UIC #000042578 permitted 1981-12-17

Permitted Volume

540 mcf/d

Max Pressure

—

Injection Interval

1,638–1,678 ft

Injected (12mo)

—

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 886 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CISCO SAND (Cisco)	908 ft	-22 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
908–910 ft	Perforated
1,638–1,678 ft	Perforated

Casing (4)

Size	Set Depth	Cement
9.625"	708 ft	150 sx
9.625"	708 ft	485 sx
2.875"	1,514 ft	—
5.5"	1,856 ft	828 sx

Permit History (2)

#375070 Recompletion

HOLT, D.T. "A" · 1,497 ft

1990-07-11

#101562 Drill Final Completion

HOLT SAND UNIT · 1,800 ft

1980-12-10

Applications (2)

#375070 A O-RRELL OIL COMPANY

received 1990-07-02

#101562 A ARCO OIL & GAS CO.

received 1980-12-10

Records & Logs

4 completion filings on record.

W-2/G-1 1990-09-20

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

W-2/G-1 1981-12-10

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: 200A
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