42-461-32534

MCELROY RANCH CO. M

UPTON County · District 7 · CHEVRON U. S. A. INC. · WILLRODE (WOLFCAMP)

Permits

Max Depth

10,600 ft

First Permit

1985-12-11

Latest Activity

1989-05-26

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1986-09-14

Shut-In

—

Plugged

1992-05-15

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 (6) Elevation 2,784 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	1,538 ft	+1,246 ft
YATES	2,601 ft	+183 ft
CLEARFORK (Clear Fork)	6,143 ft	-3,359 ft
DEAN	8,064 ft	-5,280 ft
STRAWN	9,463 ft	-6,679 ft
BEND	10,060 ft	-7,276 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
8,824–9,062 ft	Perforated
9,275–9,304 ft	Perforated
10,070–10,130 ft	Perforated

Casing (6)

Size	Set Depth	Cement
11.75"	390 ft	400 sx
11.75"	390 ft	400 sx
8.625"	4,200 ft	1,400 sx
8.625"	4,200 ft	1,400 sx
5.5"	10,161 ft	850 sx
5.5"	10,233 ft	850 sx

Permit History (2)

#359633 Recompletion U

MCELROY RANCH CO. "M" · 10,170 ft

1989-05-26

#292587 Drill Final Completion

MCELROY RANCH CO. "M" · 10,600 ft

1985-12-11

Applications (2)

#359633 A CHEVRON U. S. A. INC.

received 1989-05-23

#292587 A CHEVRON U. S. A. INC.

received 1985-12-11

Records & Logs

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

W-2/G-1 1990-03-05

W-2/G-1 1989-10-13

W-2/G-1 1990-03-08

W-2/G-1 1986-09-17 log on file

W-2/G-1 1986-04-10 log on file

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: 21
Max Depth: 10,600 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: CHEVRON U. S. A. INC.
Completed: 1986-09-14

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