42-475-32214

OBRIEN, G.W. ETAL

WARD County · District 8 · WHITING OIL AND GAS CORPORATION

Permits

Max Depth

15,850 ft

First Permit

1980-11-05

Latest Activity

2013-06-14

Lifespan

33 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

WARD County disposal market →

H-1 Injection Active UIC #000087067 permitted 2020-03-12

Permitted Volume

20,000 bbl/d

Max Pressure

1,600 psi

Injection Interval

3,238–5,490 ft

Injected (12mo)

377,228 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-07-01)

Operator History

Chain of Custody

CHEVRON U. S. A. INC. 1993-1999→ CELERO ENERGY, L.P. 2005-2005→ WHITING OIL AND GAS CORPORATION 2005-2016→ FOUR CORNERS PETROLEUM II, LLC 2016-2021→ TWO P PARTNERS, LLC 2021-2024→ SUNDOWN ENERGY LP 2021-2026

Lease Production

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

Formation Tops (5) Elevation 2,667 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GRAYBURG	2,554 ft	+113 ft
SAN ANDRES	3,864 ft	-1,197 ft
MCKNIGHT	4,696 ft	-2,029 ft
PENN (Pennsylvanian)	8,258 ft	-5,591 ft
PENN (Pennsylvanian)	8,260 ft	-5,593 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 (5)

Interval	Type
3,442–5,486 ft	Perforated
8,289–8,325 ft	Perforated
8,402–8,446 ft	Perforated
8,484–8,530 ft	Perforated
?–8,325 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	826 ft	650 sx
10.75"	4,580 ft	2,400 sx
7.625"	11,650 ft	1,545 sx

Permit History (5)

#764391 Recompletion

OBRIEN, G.W. ETAL · 14,000 ft

2013-06-14

#468919 Recompletion Final Completion

O'BRIEN, G. W., ETAL · 9,000 ft

1997-10-17

Spud 1997-08-28

#429452 Recompletion

O'BRIEN, G. W. ET AL · 5,075 ft

1994-10-27

#429452 Recompletion

O'BRIEN, G. W. ET AL · 8,230 ft

1994-10-27

#98015 Drill Final Completion

O BRIEN, G.W., ETAL · 15,850 ft

1980-11-05

Spud 1980-11-30

Applications (5)

#764391 A WHITING OIL AND GAS CORPORATION

received 2013-06-11

#468919 A CHEVRON U. S. A. INC.

received 1997-10-16

#429452 A CHEVRON U. S. A. INC.

received 1994-11-16

#429452 A CHEVRON U. S. A. INC.

received 1994-10-26

#98015 A GULF OIL CORP.

received 1980-11-05

Records & Logs

5 completion filings on record.

W-2/G-1 2025-04-29

W-2/G-1 1998-01-09

W-2/G-1 1981-07-18

W-2/G-1 1984-01-12

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 WARD County.

Well Details

Well Number: 1218
Max Depth: 15,850 ft
Drill Type: Vertical
County: WARD
District: 8
Operator: WHITING OIL AND GAS CORPORATION

Operator

Name: WHITING OIL AND GAS CORP
Location: HOUSTON
P-5 Status: Active (filed 2026-03-18)
Cum Oil (all leases): 46,349,811 bbl
Cum Gas (all leases): 57,098,327 mcf
Activities: OPRS/O
Total Permits: 2,092