42-501-33176

INJECTION

WILLARD UNIT

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

Permits

2

Max Depth

5,800 ft

First Permit

1987-04-23

Latest Activity

2015-05-07

Lifespan

28 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-06-20

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 #000112513 permitted 2015-06-11

Permitted Volume

5,000 bbl/d

Max Pressure

2,300 psi

Injection Interval

4,600–5,600 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 (5) Elevation 3,583 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RED BED / SANTA ROSA (Santa Rosa)1,100 ft+2,483 ft
SANTA ROSA 1,100 ft+2,483 ft
YATES 2,800 ft+783 ft
SAN ANDRES 4,500 ft-917 ft
SAN ANDRES 4,540 ft-957 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 (4)

IntervalType
4,989–5,060 ftPerforated
4,989–5,293 ftPerforated
5,086–5,218 ftPerforated
5,300–5,380 ftOpen hole

Casing (3)

SizeSet DepthCement
13.375"480 ft500 sx
8.625"2,300 ft1,050 sx
5.5"5,300 ft1,400 sx

Permit History (2)

Applications (2)

#806128 A OXY USA WTP LP
received 2015-04-30
#329388 A ARCO OIL & GAS CO.
received 1987-04-23

Records & Logs

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

W-2/G-1 2025-08-16
W-2/G-1 2015-12-22
W-2/G-1 1987-06-19 log on file
W-2/G-1 1987-06-29

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
39X
Max Depth
5,800 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2018-06-20

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