42-501-32080

PRODUCING

WILLARD UNIT

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

Permits

Max Depth

5,800 ft

First Permit

1981-05-21

Latest Activity

2016-10-25

Lifespan

35 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2017-01-11

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

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 (3) Elevation 3,611 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RED BEDS	428 ft	+3,183 ft
QUEEN	3,510 ft	+101 ft
SAN ANDRES	4,422 ft	-811 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
5,028–5,267 ft	Perforated
5,042–5,192 ft	Perforated
5,277–5,425 ft	Open hole

Casing (3)

Size	Set Depth	Cement
8.625"	453 ft	350 sx
2.875"	5,031 ft	—
5.5"	5,277 ft	1,850 sx

Permit History (2)

#819563 Recompletion Final Completion

WILLARD UNIT · 5,800 ft

2016-10-25

#119245 Drill Final Completion

WILLARD UNIT · 5,450 ft

1981-05-21

Spud 1981-08-19

Applications (2)

#819563 A OXY USA WTP LP

received 2016-10-19

#119245 A ARCO OIL & GAS CO.

received 1981-05-21

Records & Logs

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

W-2/G-1 2023-05-31 log on file

W-2/G-1 1981-12-14

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: 77C
Max Depth: 5,800 ft
Drill Type: Vertical
County: YOAKUM
District: 8
Operator: OXY USA WTP LP
Completed: 2017-01-11

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: 2,273