42-219-32314

COBLE 'C'

HOCKLEY County · District 8 · WALKABOUT OPERATING, LLC

Permits

Max Depth

5,100 ft

First Permit

1977-06-27

Latest Activity

2025-04-15

Lifespan

48 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000025089 permitted 2009-02-12

Permitted Volume

1,200 bbl/d

Max Pressure

2,275 psi

Injection Interval

4,820–4,934 ft

Injected (12mo)

556 bbl

Monthly injected volume (bbl, from H-10 filings through 2026-02-01)

Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog

Operator History

Chain of Custody

MAYNARD OIL CO. 1993-1995→ BRAZOS PETROLEUM, INC. 1995-1995→ K.M.A. OPERATING, INC. 1995-1995→ OIL MANAGEMENT CORPORATION 1995-2016→ NORTH FORK PETROLEUM, LLC 2019-2020→ WALKABOUT OPERATING, LLC 2021-2026

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 (3) Elevation 3,593 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	2,135 ft	+1,458 ft
YATES	2,679 ft	+914 ft
YOAKUM	3,573 ft	+20 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section

✓ 42-219-37452 CENTRAL LEVELLAND UNIT · OCCIDENTAL PERMIAN LTD.

1.0 mi

Santa Rosa 200'Yates 2,683'San Andres 4,872'Wichita-Albany —Clear Fork —Canyon —Cisco —Strawn —Abo —Wolfcamp —

✓ 42-219-37451 SOUTHEAST LEVELLAND UNIT · OCCIDENTAL PERMIAN LTD.

1.4 mi

Santa Rosa 1,100'Yates 2,575'San Andres 4,680'Strawn —Abo —Wolfcamp —Wichita-Albany —Clear Fork —Canyon —Cisco —

✓ 42-219-37556 LEVELLAND BRINE · TALL CITY BRINE LLC

1.8 mi

Santa Rosa 2,830'San Andres —Strawn —Clear Fork —Canyon —Abo —Wolfcamp —Wichita-Albany —Cisco —Yates —

✓ 42-219-02511 SOUTHEAST LEVELLAND UNIT · OCCIDENTAL PERMIAN LTD.

2.2 mi

Rustler 2,109'Yates 2,690'San Andres 3,903'

✓ 42-219-01055 SOUTHEAST LEVELLAND UNIT · OCCIDENTAL PERMIAN LTD.

2.9 mi

San Andres 3,918'San Andres 4,652'

✓ 42-219-02471 WEST RKM UNIT · OCCIDENTAL PERMIAN LTD.

3.0 mi

San Andres 3,945'San Andres 4,460'

✓ 42-219-37419 SOUTHEAST LEVELLAND UNIT · OCCIDENTAL PERMIAN LTD.

3.1 mi

Rustler 2,100'Yates 2,656'San Andres 4,802'Clear Fork —Santa Rosa —Abo —Wolfcamp —Canyon —Wichita-Albany —Cisco —

✓ 42-219-35145 SOUTHEAST LEVELLAND UNIT · SHELL WESTERN E&P INC.

3.1 mi

Rustler 2,100'TANSIL 2,602'Yates 2,694'Seven Rivers 2,868'Queen 3,287'San Andres 3,956'San Angelo 3,956'

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
4,820–4,934 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	416 ft	300 sx
5.5"	5,000 ft	1,500 sx

Permit History (2)

#905900 Reclass

COBLE 'C' · 5,000 ft

2025-04-15

#1764 Drill

COBLE "C" · 5,100 ft

1977-06-27

Applications (2)

#905900 A WALKABOUT OPERATING, LLC

received 2025-02-12

#1764 A SUN EXPLORATION & PRODUCTION CO.

received 1977-06-27

Records & Logs

3 completion filings on record.

W-2/G-1 2022-02-03

W-2/G-1 2019-07-22

W-2/G-1 1984-01-12

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.

Google Maps → Explorer Map →

Lat 33.568210

Lon -102.498677

Well Details

Well Number: 10
Max Depth: 5,100 ft
Drill Type: Vertical
County: HOCKLEY
District: 8
Operator: WALKABOUT OPERATING, LLC

Operator

Name: WALKABOUT OPER, LLC
Location: LUBBOCK
P-5 Status: X (filed 2025-11-21)
Cum Oil (all leases): 405,541 bbl
Cum Gas (all leases): 521,685 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 1