42-501-31598

INJECTION

WILLARD UNIT

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

Permits

1

Max Depth

5,300 ft

First Permit

1978-05-31

Latest Activity

1978-05-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-01-02

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: OXY USA WTP LP ≠ Permit: ATLANTIC RICHFIELD CO.

Resolved via: productionOXY USA WTP LP

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000043608 permitted 1999-03-01

Permitted Volume

1,500 bbl/d

Max Pressure

2,450 psi

Injection Interval

4,900–5,600 ft

Injected (12mo)

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

Lease Production

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

Formation Tops (3) Elevation 3,600 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN 3,681 ft-81 ft
GRAYBURG 4,398 ft-798 ft
SAN ANDRES 4,514 ft-914 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 (1)

IntervalType
5,468–5,672 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"460 ft600 sx
8.625"5,015 ft200 sx
2.875"5,407 ft

Permit History (1)

Applications (1)

#25475 A ATLANTIC RICHFIELD CO.
received 1978-05-31

Records & Logs

3 completion filings on record.

W-2/G-1 2024-04-03
W-2/G-1 1988-05-04
W-2/G-1 1981-08-14

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
84-E
Max Depth
5,300 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2024-01-02

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