42-501-33045

INJECTION

WILLARD UNIT

YOAKUM County · District 8 · OXY USA WTP LP · WASSON

Permits

Max Depth

5,800 ft

First Permit

1986-02-24

Latest Activity

2016-11-02

Lifespan

31 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2017-06-30

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000057736 permitted 1999-03-01

Permitted Volume

1,500 bbl/d

Max Pressure

2,450 psi

Injection Interval

4,900–5,600 ft

Injected (12mo)

42,899 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-09-01)

Operator History

Chain of Custody

ARCO OIL & GAS CO. 1993-1994→ ARCO PERMIAN 1994-2001→ BP AMERICA PRODUCTION COMPANY 2002-2003→ OXY USA WTP LP 2003-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (7) Elevation 3,612 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RED BED / SANTA ROSA (Santa Rosa)	1,100 ft	+2,512 ft
RUSTLER	2,277 ft	+1,335 ft
YATES	2,800 ft	+812 ft
QUEEN	3,858 ft	-246 ft
SAN ANDRES	4,500 ft	-888 ft
SAN ANDRES	4,517 ft	-905 ft
SAN ANDRES	4,522 ft	-910 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 (4)

Interval	Type
5,064–5,193 ft	Perforated
5,064–5,275 ft	Perforated
5,231–5,258 ft	Perforated
5,275–5,387 ft	Open hole

Casing (2)

Size	Set Depth	Cement
8.625"	1,069 ft	650 sx
5.5"	5,275 ft	1,800 sx

Permit History (2)

#819610 Recompletion Final Completion

WILLARD UNIT · 5,800 ft

2016-11-02

Spud 1986-11-01

#298403 Drill Final Completion

WILLARD UNIT · 5,375 ft

1986-02-24

Applications (2)

#819610 A OXY USA WTP LP

received 2016-10-20

#298403 A ARCO OIL & GAS CO.

received 1986-02-18

Records & Logs

5 completion filings on record.

W-2/G-1 2022-09-19

W-2/G-1 2017-07-05

W-2/G-1 2013-06-11

W-2/G-1 1987-03-09

W-2/G-1 1987-03-19

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 YOAKUM County.

Well Details

Well Number: 80B
Max Depth: 5,800 ft
Drill Type: Vertical
County: YOAKUM
District: 8
Operator: OXY USA WTP LP
Completed: 2017-06-30

Operator

Name: OXY USA WTP LP
Location: HOUSTON
P-5 Status: Active (filed 2025-10-16)
Cum Oil (all leases): 329,551,533 bbl
Cum Gas (all leases): 84,981,131 mcf
Activities: CSGD/G, CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits: 2,277