42-501-33285

INJECTION

COBB ET AL

YOAKUM County · District 8 · OCCIDENTAL PERMIAN LTD. · PRENTICE (CLEAR FORK LOWER)

Permits

1

Max Depth

8,600 ft

First Permit

1987-09-25

Latest Activity

1987-09-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-12-01

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: OCCIDENTAL PERMIAN LTD. ≠ Permit: AMOCO PRODUCTION COMPANY

Resolved via: productionOCCIDENTAL PERMIAN LTD.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000064586 permitted 1987-11-12

Permitted Volume

800 bbl/d

Max Pressure

2,000 psi

Injection Interval

7,940–8,350 ft

Injected (12mo)

131,174 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Lease Production

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

Formation Tops (9) Elevation 3,587 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 2,540 ft+1,047 ft
SAN ANDRES 4,643 ft-1,056 ft
GLORIETA 6,007 ft-2,420 ft
GLORIETA G-1 (Glorieta)6,056 ft-2,469 ft
UPPER CLEARFORK (Clear Fork)6,110 ft-2,523 ft
U. CLEARFORK C-16,535 ft-2,948 ft
L. CLEARFORK7,370 ft-3,783 ft
LOWER CLEARFORK (Clear Fork)7,374 ft-3,787 ft
ABO SHOAL7,950 ft-4,363 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
7,940–8,350 ftOpen hole

Casing (2)

SizeSet DepthCement
8.625"2,593 ft1,150 sx
5.5"7,940 ft1,250 sx

Permit History (1)

Applications (1)

#336367 A AMOCO PRODUCTION COMPANY
received 1987-09-23

Records & Logs

3 completion filings on record.

W-2/G-1 2025-12-30
W-2/G-1 1988-03-21
W-2/G-1 1988-04-05

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
21
Max Depth
8,600 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2025-12-01

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-02-02)
Cum Oil (all leases)
1,136,409,534 bbl
Cum Gas (all leases)
442,977,611 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
6,211