42-501-35457

INJECTION

WILLARD UNIT

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

Permits

1

Max Depth

5,800 ft

First Permit

2007-08-31

Latest Activity

2007-08-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-09-20

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 #000098429 permitted 2007-11-15

Permitted Volume

5,000 bbl/d

Max Pressure

2,300 psi

Injection Interval

4,600–5,800 ft

Injected (12mo)

6,649 bbl

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 (8) Elevation 3,595 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RED BED1,100 ft+2,495 ft
YATES 2,800 ft+795 ft
GRAYBURG 4,155 ft-560 ft
SAN ANDRES 4,392 ft-797 ft
SAN ANDRES 4,500 ft-905 ft
GAS/OIL CONTACT4,926 ft-1,331 ft
SAN ANDRES 4,926 ft-1,331 ft
SAN ANDRES

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)

IntervalType
5,153–5,368 ftPerforated
5,153–5,382 ftPerforated
5,250–5,316 ftPerforated
5,362–5,368 ftPerforated

Casing (3)

SizeSet DepthCement
16"40 ft130 sx
8.625"2,201 ft1,100 sx
5.5"5,462 ft1,600 sx

Permit History (1)

Applications (1)

#645319 A OXY USA WTP LP
received 2007-08-30

Records & Logs

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

W-2/G-1 2023-10-16
W-2/G-1 2022-09-19
W-2/G-1 2017-10-02
W-2/G-1 2008-06-16
W-2/G-1 2008-02-04 log on file
W-2/G-1 2008-10-20

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
30B
Max Depth
5,800 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2023-09-20

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