42-461-31577

Final Completion

ELKINS F. F.

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

Permits

Max Depth

9,150 ft

First Permit

1980-04-28

Latest Activity

1990-11-09

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1990-11-28

Shut-In

—

Plugged

2008-04-09

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: ROBERTS & HAMMACK, INC.

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

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2009-11

Operator History

Chain of Custody

ROBERTS & HAMMACK, INC. 1993-1995→ 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.

Formation Tops (4) Elevation 2,729 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEARFORK (Clear Fork)	6,530 ft	-3,801 ft
SPRABERRY (UPPER) (Spraberry)	6,930 ft	-4,201 ft
SPRABERRY (LOWER) (Spraberry)	7,650 ft	-4,921 ft
DEAN	8,412 ft	-5,683 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
6,539–6,581 ft	Perforated
8,428–8,960 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	410 ft	200 sx
2.375"	8,500 ft	—
4.5"	9,075 ft	850 sx

Permit History (2)

#380745 Recompletion Final Completion

ELKIN, F. F. · 9,035 ft

1990-11-09

Spud 1990-11-14

#79390 Drill Final Completion

ELKINS, F. F. 30 · 9,150 ft

1980-04-28

Spud 1980-04-29

Applications (2)

#380745 A ROBERTS & HAMMACK, INC.

received 1990-11-07

#79390 A PARMA PETROLEUM CORP.

received 1980-04-28

Records & Logs

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

W-2/G-1 1990-12-12 log on file

W-2/G-1 1980-09-22

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: 9,150 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: ENDEAVOR ENERGY RESOURCES L.P.
Completed: 1990-11-28

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