42-501-32942

INJECTION

WILLARD UNIT

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

Permits

Max Depth

5,800 ft

First Permit

1985-09-24

Latest Activity

2017-02-08

Lifespan

31 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2016-09-21

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 #000057720 permitted 1999-03-01

Permitted Volume

1,500 bbl/d

Max Pressure

2,450 psi

Injection Interval

4,900–5,600 ft

Injected (12mo)

36,486 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 (5) Elevation 3,594 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
REDBEDS	398 ft	+3,196 ft
RED BED / SANTA ROSA (Santa Rosa)	1,100 ft	+2,494 ft
YATES	2,800 ft	+794 ft
SAN ANDRES	4,423 ft	-829 ft
SAN ANDRES	4,500 ft	-906 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 (3)

Interval	Type
4,948–5,175 ft	Perforated
5,121–5,250 ft	Perforated
5,251–5,350 ft	Open hole

Casing (2)

Size	Set Depth	Cement
8.625"	497 ft	375 sx
5.5"	5,250 ft	1,950 sx

Permit History (2)

#822502 Recompletion Final Completion

WILLARD UNIT · 5,800 ft

2017-02-08

Spud 2016-09-12

#285842 Drill Final Completion

WILLARD UNIT · 5,350 ft

1985-09-24

Spud 1985-10-29

Applications (2)

#822502 A OXY USA WTP LP

received 2017-01-26

#285842 A ARCO OIL & GAS CO.

received 1985-09-23

Records & Logs

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

W-2/G-1 2017-01-26

W-2/G-1 1986-04-22 log on file

W-2/G-1 1986-05-02

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: 28B
Max Depth: 5,800 ft
Drill Type: Vertical
County: YOAKUM
District: 8
Operator: OXY USA WTP LP
Completed: 2016-09-21

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