42-501-36498

INJECTION

WILLARD UNIT

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

Permits

1

Max Depth

5,800 ft

First Permit

2014-09-27

Latest Activity

2014-09-27

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-01-02

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 #000111263 permitted 2014-11-13

Permitted Volume

5,000 bbl/d

Max Pressure

2,300 psi

Injection Interval

4,600–5,600 ft

Injected (12mo)

65,964 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 (13) Elevation 3,581 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RED BED-SANTA ROSA (Santa Rosa)1,111 ft+2,470 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)2,222 ft+1,359 ft
YATES 3,174 ft+407 ft
GRAYBURG 4,325 ft-744 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,594 ft-1,013 ft
CLEARFORK - ACTIVE CO2 FLOOD (Clear Fork)
GLORIETA
LEONARD
PENNSYLVANIAN
STRAWN
WICHITA (Wichita-Albany)
WOLFCAMP
YATES

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
4,500–5,600 ftPerforated
5,164–5,266 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,357 ft1,120 sx
5.5"5,501 ft1,340 sx

Permit History (1)

Applications (1)

#796035 A OXY USA WTP LP
received 2014-09-10

Records & Logs

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

W-2/G-1 2025-04-07
W-2/G-1 2015-04-20 log on file

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
135X
Max Depth
5,800 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2025-01-02

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