42-501-33369

Final Completion

PRENTICE (6700 CLEARFORK) UNIT

YOAKUM County · District 8 · OCCIDENTAL PERMIAN LTD. · PRENTICE (6700)

Permits

Max Depth

6,900 ft

First Permit

1987-06-29

Latest Activity

1992-04-29

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2019-01-18

Shut-In

—

Plugged

2024-04-12

EWA / Permit operator mismatch

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

Resolved via: production → OCCIDENTAL PERMIAN LTD.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Plugged 2024-04-22 UIC #000063073 permitted 2019-10-31

Permitted Volume

1,500 bbl/d

Max Pressure

2,950 psi

Injection Interval

5,900–6,100 ft

Injected (12mo)

—

H-1 Injection Plugged 2024-04-22 UIC #000063075 permitted 1995-02-28

Permitted Volume

1,500 bbl/d

Max Pressure

3,000 psi

Injection Interval

6,350–6,870 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2023-11-01)

Operator History

Chain of Custody

AMOCO PRODUCTION COMPANY 1993-1997→ ALTURA ENERGY LTD. 1997-2000→ OCCIDENTAL PERMIAN LTD. 2000-2026

Lease Production

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

Formation Tops (6) Elevation 3,568 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SAN ANDRES	1,657 ft	+1,911 ft
GLORIETTA (Glorieta)	2,407 ft	+1,161 ft
UPPER CLEARFORK (Clear Fork)	2,629 ft	+939 ft
SAN ANDRES	4,522 ft	-954 ft
GLORIETA	5,833 ft	-2,265 ft
GLORIETA	5,883 ft	-2,315 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 (3)

Interval	Type
5,909–6,064 ft	Perforated
5,975–5,909 ft	Perforated
6,350–6,870 ft	Perforated

Casing (5)

Size	Set Depth	Cement
8.625"	463 ft	250 sx
8.625"	463 ft	—
7"	4,500 ft	1,175 sx
7"	6,350 ft	1,175 sx
7"	6,350 ft	—

Permit History (2)

#398795 Recompletion Final Completion

PRENTICE (6700 CLEARFORK) UNIT · 6,873 ft

1992-04-29

#341975 Drill Final Completion

CENTRAL GLORIETA UNIT · 6,900 ft

1987-06-29

Applications (2)

#398795 A AMOCO PRODUCTION COMPANY

received 1992-04-27

#341975 A TENNECO OIL CO.

received 1987-06-23

Records & Logs

9 completion filings on record.

W-2/G-1 2021-10-21

W-2/G-1 2021-10-20

W-2/G-1 2019-07-01

W-2/G-1 1992-08-15

W-2/G-1 1991-10-09

W-2/G-1 1992-07-08

+3 more filings

Completion packets + logs ↗ Wellbore filings ↗

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: 12CL
Max Depth: 6,900 ft
Drill Type: Vertical
County: YOAKUM
District: 8
Operator: OCCIDENTAL PERMIAN LTD.
Completed: 2019-01-18

Operator

Name: OCCIDENTAL PERMIAN LTD
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: 6,210