42-103-00832

Final Completion

TUBB J.B. ET AL

CRANE County · District 8 · CHEVRON U. S. A. INC. · SAND HILLS (MCKNIGHT)

Permits

Max Depth

4,574 ft

First Permit

1984-08-21

Latest Activity

1989-07-12

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-10-30

Shut-In

—

Plugged

1994-07-20

EWA / Production operator mismatch

Scheduling: CHEVRON U. S. A. INC. ≠ Production: RING ENERGY, INC. (reported 2026-04)

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

CHEVRON U. S. A. INC. 1993-2018→ STRONGHOLD ENERGY II OPER, LLC 2018-2022→ 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 (2) Elevation 2,523 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
JUDKINS	2,632 ft	-109 ft
MCKNIGHT	2,890 ft	-367 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
2,758–2,869 ft	Perforated
2,905–3,234 ft	Perforated
2,905–3,254 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	621 ft	450 sx
5.5"	4,574 ft	500 sx

Permit History (2)

#361325 Recompletion Final Completion

TUBB, J. B. ETAL · 4,574 ft

1989-07-12

#249004 Other Final Completion

TUBB, J. B. ET AL · 4,456 ft

1984-08-21

Applications (2)

#361325 A CHEVRON U. S. A. INC.

received 1989-07-10

#249004 A GULF OIL CORP.

received 1984-08-20

Records & Logs

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

W-2/G-1 1990-01-29 log on file

W-2/G-1 1985-08-23

W-2/G-1 1985-09-05

W-2/G-1 1985-01-07

W-2/G-1 1985-01-14

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: 18
Max Depth: 4,574 ft
Drill Type: Vertical
County: CRANE
District: 8
Operator: CHEVRON U. S. A. INC.
Completed: 1984-10-30

Operator

Name: TEXACO E & P INC
Location: MIDLAND
P-5 Status: Active (filed 2026-01-30)
Cum Oil (all leases): 633,048,621 bbl
Cum Gas (all leases): 4,264,158,043 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 9,272