42-501-32932

INJECTION

WILLARD UNIT

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

Permits

2

Max Depth

5,900 ft

First Permit

1985-09-24

Latest Activity

2006-02-15

Lifespan

20 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2007-02-20

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 #000057726 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 (7) Elevation 3,603 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TANSILL 2,880 ft+723 ft
YATES 2,960 ft+643 ft
SEVEN RIVER3,250 ft+353 ft
QUEEN 3,789 ft-186 ft
GRAYBURG 4,178 ft-575 ft
SAN ANDRES 4,448 ft-845 ft
SAN ANDRES 4,485 ft-882 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 (2)

IntervalType
5,055–5,190 ftPerforated
5,250–5,415 ftOpen hole

Casing (3)

SizeSet DepthCement
13.375"482 ft500 sx
8.625"2,300 ft1,050 sx
5.5"5,250 ft1,400 sx

Permit History (2)

Applications (2)

#614233 A OXY USA WTP LP
received 2006-02-15
#285815 A ARCO OIL & GAS CO.
received 1985-09-23

Records & Logs

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

W-2/G-1 2022-09-19
W-2/G-1 2006-05-01 log on file
W-2/G-1 1987-06-01
W-2/G-1 1987-06-09

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
58B
Max Depth
5,900 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2007-02-20

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
2,277