42-495-35096

Horizontal

C.A. PORTMAN

WINKLER County · District 10 · BOYD & MCWILLIAMS OPERATING, LLC

Permits

Max Depth

8,200 ft

First Permit

2025-04-11

Latest Activity

2025-04-11

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Formation Tops (10) Elevation 2,998 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER - POSSIBLE FLOW; POSSIBL (Rustler)	1,157 ft	+1,841 ft
YATES	2,780 ft	+218 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)	4,194 ft	-1,196 ft
CLEARFORK (Clear Fork)	5,758 ft	-2,760 ft
CAPITAN REEF - HIGH FLOWS (Capitan)	—	—
COLBY / QUEEN	—	—
DELAWARE	—	—
GLORIETA	—	—
HOLT	—	—
SEVEN RIVERS / QUEEN (Seven Rivers)	—	—

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section

✓ 42-495-34942 COP SWD · BOYD & MCWILLIAMS OPERATING, LLC

0.8 mi

Rustler 1,150'San Andres 4,210'Clear Fork —Capitan —Yates —Holt —Delaware —Glorieta —Seven Rivers —COLBY / QUEEN —

✓ 42-495-35126 C.A. PORTMAN · BOYD & MCWILLIAMS OPERATING, LLC

0.9 mi

Rustler 1,173'Yates 2,759'San Andres 4,161'Clear Fork 5,677'Capitan —COLBY / QUEEN —Holt —Delaware —Glorieta —Seven Rivers —

✓ 42-495-32338 KEYSTONE CATTLE COMPANY · MERIDIAN OIL INC.

1.1 mi

Rustler 1,100'Yates 2,618'Mississippian 7,780'

✓ 42-495-33339 KEYSTONE CATTLE CO. A · WHITING OIL AND GAS CORPORATION

1.3 mi

San Andres 4,119'San Andres 4,119'Glorieta 5,262'Clear Fork 5,578'Tubb 6,100'Clear Fork 6,232'Wichita-Albany 6,634'Delaware —Seven Rivers —COLBY / QUEEN —Rustler —Capitan — +2 more

✓ 42-495-34994 B.F. KENNEDY 23 · BOYD & MCWILLIAMS OPERATING, LLC

1.4 mi

Rustler 1,126'Yates 2,725'San Andres 4,132'Delaware —Clear Fork —Capitan —Holt —Seven Rivers —Glorieta —COLBY / QUEEN —

✓ 42-495-34580 COP · BOYD & MCWILLIAMS OPERATING, LLC

1.4 mi

Rustler 1,177'Yates 2,848'COLBY / QUEEN 3,834'San Andres 4,266'Clear Fork 5,820'Glorieta —Holt —Delaware —Capitan —Seven Rivers —

✓ 42-495-34806 WHITING 21 · SADDLEBACK EXPLORATION, LLC

1.4 mi

Rustler 1,203'Yates 2,806'Seven Rivers 3,096'San Andres 4,292'Glorieta 5,346'Clear Fork 5,819'Capitan —Holt —Delaware —COLBY / QUEEN —

✓ 42-495-34095 WHITING 21 · BOYD & MCWILLIAMS OPERATING, LLC

1.4 mi

Rustler 1,190'Yates 2,840'San Andres 4,267'Wichita-Albany 6,960'Clear Fork —Holt —Delaware —Glorieta —Queen —COLBY-QUEEN —

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

Interval	Type
8,218–15,844 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.625"	965 ft	535 sx
7"	7,285 ft	1,745 sx
5.5"	16,030 ft	1,745 sx

Permit History (1)

#907323 Drill

C.A. PORTMAN · 8,200 ft

2025-04-11

Spud 2025-04-18

Applications (1)

#907323 A BOYD & MCWILLIAMS OPERATING, LLC

received 2025-04-09

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2026-05-26 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.

Google Maps → Explorer Map →

Lat 31.891281

Lon -102.958169

Well Details

Well Number: 301H
Max Depth: 8,200 ft
Drill Type: Horizontal
County: WINKLER
District: 10
Operator: BOYD & MCWILLIAMS OPERATING, LLC

Operator

Name: BOYD & MCWILLIAMS OPER, LLC
Location: MIDLAND
P-5 Status: Active (filed 2025-11-07)
Cum Oil (all leases): 10,155,406 bbl
Cum Gas (all leases): 58,240 mcf
Activities: OPRS/O
Total Permits: 128