42-501-32012

PRODUCING

WILLARD UNIT

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

Permits

2

Max Depth

5,800 ft

First Permit

1981-04-28

Latest Activity

2016-10-25

Lifespan

35 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2017-05-23

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (1) Elevation 3,612 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 4,410 ft-798 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)

IntervalType
4,998–5,302 ftPerforated
5,016–5,168 ftPerforated
5,324–5,425 ftOpen hole

Casing (3)

SizeSet DepthCement
8.625"454 ft350 sx
2.875"5,007 ft
5.5"5,324 ft1,550 sx

Permit History (2)

Applications (2)

#819566 A OXY USA WTP LP
received 2016-10-19
#117458 A ARCO OIL & GAS CO.
received 1981-04-28

Records & Logs

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

W-2/G-1 2017-06-01 log on file
W-2/G-1 2007-07-23
W-2/G-1 1982-03-15

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
77D
Max Depth
5,800 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2017-05-23

Operator

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