42-329-31611

Final Completion

SANDEFUR

MIDLAND County · District 8 · SOUTHWEST ROYALTIES INC. · HORSELOT (STRAWN)

Permits

Max Depth

12,300 ft

First Permit

1985-10-18

Latest Activity

1988-04-29

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-04-22

Shut-In

—

Plugged

2014-03-13

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2015-06

Lease Production

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

Formation Tops (9) Elevation 2,754 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY	7,562 ft	-4,808 ft
SPRAYBERRY (Spraberry)	7,562 ft	-4,808 ft
WOLFCAMP	9,118 ft	-6,364 ft
STRAWN	10,432 ft	-7,678 ft
STRAWN	10,444 ft	-7,690 ft
ATOKA	11,006 ft	-8,252 ft
DEVONIAN	11,534 ft	-8,780 ft
DEVONIAN	11,538 ft	-8,784 ft
FUSSELMAN	12,118 ft	-9,364 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
10,454–10,556 ft	Perforated
10,543–10,556 ft	Perforated
11,536–11,590 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	300 ft	320 sx
9.625"	4,399 ft	280 sx
5.5"	12,206 ft	630 sx

Permit History (2)

#345864 Recompletion Final Completion

SANDEFUR · 12,186 ft

1988-04-29

#287750 Drill Final Completion

SANDEFUR · 12,300 ft

1985-10-18

Applications (3)

#345864 A SOUTHWEST ROYALTIES, INC.

received 1988-04-29

#287750 A DEVONIAN, INC.

received 1985-12-03

#287750 A DEVONIAN, INC.

received 1985-09-23

Records & Logs

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

W-2/G-1 1995-09-12

W-2/G-1 1988-05-02 log on file

W-2/G-1 1988-05-11

W-2/G-1 1986-02-03 log on file

W-2/G-1 1986-02-08

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 MIDLAND County.

Well Details

Well Number: 1
Max Depth: 12,300 ft
Drill Type: Vertical
County: MIDLAND
District: 8
Operator: SOUTHWEST ROYALTIES INC.
Completed: 1988-04-22

Operator

Name: SOUTHWEST ROYALTIES, INC
Location: MIDLAND
P-5 Status: Active (filed 2026-01-06)
Cum Oil (all leases): 33,256,292 bbl
Cum Gas (all leases): 40,059,151 mcf
Activities: G/PUR, OPRS/G, OPRS/O
Total Permits: 497