42-461-31933

Final Completion

ELKIN 30

UPTON County · District 7 · ENDEAVOR ENERGY RESOURCES L.P. · SPRABERRY (TREND AREA CL. FK.)

Permits

Max Depth

9,400 ft

First Permit

1982-08-03

Latest Activity

1985-06-18

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-05-15

Shut-In

—

Plugged

2010-09-02

EWA / Production operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Production: HILLSIDE OIL & GAS LLC (reported 2001-02)

EWA / Permit operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Permit: CASS OIL COMPANY

Resolved via: scheduling → ENDEAVOR ENERGY RESOURCES L.P.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2010-10

Operator History

Chain of Custody

SECO PRODUCTION COMPANY 1993-1994→ HILLSIDE OIL & GAS LLC 2001-2001

Lease Production

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

Oil

production & DCA →

Formation Tops (1) Elevation 2,727 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEARFORK (Clear Fork)	6,538 ft	-3,811 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 (2)

Interval	Type
6,566–6,579 ft	Perforated
8,461–9,124 ft	Perforated

Casing (4)

Size	Set Depth	Cement
14"	44 ft	—
8.625"	4,070 ft	—
2.375"	8,800 ft	—
4.5"	9,207 ft	—

Permit History (2)

#278008 Recompletion Final Completion

ELKIN 30 · 6,800 ft

1985-06-18

#168042 Drill Final Completion

ELKIN '30' · 9,400 ft

1982-08-03

Applications (2)

#278008 A CASS OIL COMPANY

received 1985-05-31

#168042 A CASS, FRANK

received 1982-08-03

Records & Logs

3 completion filings on record.

W-2/G-1 1985-06-26

W-2/G-1 1985-07-13

W-2/G-1 1982-10-04

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 UPTON County.

Well Details

Well Number: 1
Max Depth: 9,400 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: ENDEAVOR ENERGY RESOURCES L.P.
Completed: 1985-05-15

Operator

Name: ENDEAVOR ENGY RES L.P
Location: MIDLAND
P-5 Status: Active (filed 2026-06-12)
Cum Oil (all leases): 507,205,629 bbl
Cum Gas (all leases): 70,424,421 mcf
Total Permits: 6,190