42-103-33716

Unperfed Completion

TUBB J. B. A/C #1

CRANE County · District 8 · FORMENTERA OPERATIONS LLC · SAND HILLS (MCKNIGHT)

Permits

Max Depth

3,900 ft

First Permit

1985-10-28

Latest Activity

2003-06-26

Lifespan

18 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1986-01-08

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Production: RING ENERGY, INC. (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: DEVON ENERGY PRODUCTION CO, L.P.

Resolved via: production → RING ENERGY, INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

PENNZOIL PETROLEUM COMPANY 1993-1995→ PENNZOIL EXPLORATION & PROD. CO. 1995-1999→ PENNZENERGY EXP. & PROD., L.L.C. 1999-2000→ DEVON ENERGY PRODUCTION CO, L.P. 2000-2018→ STRONGHOLD ENERGY II OPER, LLC 2019-2022→ RING ENERGY, INC. 2022-2026

Lease Production

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

Formation Tops (3)

CSV

Formation	Top Depth (MD)
JUDKINS	3,001 ft
MC KNIGHT	3,403 ft
MCKNIGHT	3,403 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗

Perforations (3)

Interval	Type
3,001–3,140 ft	Perforated
3,192–3,578 ft	Perforated
3,616–3,684 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	645 ft	350 sx
5.5"	3,733 ft	750 sx

Permit History (2)

#533457 Recompletion Unperfed Completion

MCKNIGHT, M. B. · 3,762 ft

2003-06-26

Spud 2003-08-05

#288557 Drill Final Completion

MCKNIGHT, M. B. · 3,900 ft

1985-10-28

Applications (2)

#533457 A DEVON ENERGY PRODUCTION CO, L.P.

received 2003-06-24

#288557 A CHEVRON U. S. A. INC.

received 1985-09-16

Records & Logs

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

W-2/G-1 2006-06-26

W-2/G-1 2003-08-15 log on file

W-2/G-1 1986-02-07

W-2/G-1 1992-10-26

W-2/G-1 1986-02-11 log on file

+1 more filings

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 CRANE County.

Well Details

Well Number: 164
Max Depth: 3,900 ft
Drill Type: Vertical
County: CRANE
District: 8
Operator: FORMENTERA OPERATIONS LLC
Completed: 1986-01-08

Operator

Name: FORMENTERA OPERATIONS LLC
Location: AUSTIN
P-5 Status: X (filed 2026-06-11)
Cum Oil (all leases): 7,170,117 bbl
Cum Gas (all leases): 53,235,974 mcf
Activities: CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits: 83