42-211-31270

Final Completion

CAMPBELL J.W. UNIT

HEMPHILL County · District 10 · LONE TREE OIL & GAS LLC · MENDOTA GULCH (GRANITE WASH)

Permits

Max Depth

11,750 ft

First Permit

1980-09-18

Latest Activity

2022-05-05

Lifespan

42 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1980-12-22

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

KAISER-FRANCIS OIL COMPANY 1993-2018→ LONE TREE OIL & GAS LLC 2018-2026

Lease Production

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

Formation Tops (3) Elevation 2,524 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MARMATON LIME (Marmaton)	9,188 ft	-6,664 ft
GRANITE WASH	9,849 ft	-7,325 ft
ST. CLAIR (GRANITE WASH)	10,027 ft	-7,503 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

✓ 42-211-35666 BIG COUNTRY · EHVI EXPLORATION, LLC

3.5 mi

Brown Dolomite 4,331'Douglas 7,461'Kansas City 8,877'Cleveland 9,268'Pennsylvanian 10,516'Pennsylvanian —Cleveland —TOPEKA —BROWNSVILLE —Tonkawa —Oswego —Pennsylvanian —

✓ 42-393-31941 VOLLMERT, J. C. · UNIT PETROLEUM COMPANY

4.3 mi

Brown Dolomite 3,932'Douglas 6,847'Douglas 7,257'Kansas City 8,004'Kansas City 8,358'Granite Wash 9,346'Granite Wash 10,654'13 FINGER 10,745'Morrow 10,823'13 FINGER 10,823'Morrow 11,249'

✓ 42-211-34295 ISAACS E · UNIT PETROLEUM COMPANY

4.3 mi

Brown Dolomite 3,890'Douglas 6,828'Kansas City 8,021'KC 8,021'Marmaton 8,942'Granite Wash 9,413'NOVI 10,767'13 FINGER 10,862'Morrow 11,000'

✓ 42-211-35590 LITTLE-PYEATT 30-19 ME WX · TECOLOTE ENERGY OPERATING, LLC

4.8 mi

Brown Dolomite 4,330'TOPEKA 6,739'BROWNSVILLE 6,844'Pennsylvanian 7,274'Douglas 7,478'Tonkawa 8,246'Kansas City 8,834'Cleveland 9,477'Pennsylvanian 9,662'Oswego 9,743'

✓ 42-211-34621 VOLLMERT C · UNIT PETROLEUM COMPANY

4.8 mi

Brown Dolomite 3,980'Douglas 6,916'Kansas City 8,112'Marmaton 9,050'Granite Wash 9,520'NOVI 10,810'13 FINGER 10,890'

✓ 42-211-34301 VOLLMERT 'C' · UNIT PETROLEUM COMPANY

5.0 mi

Brown Dolomite 3,968'Douglas 6,878'KC 8,060'Kansas City 8,060'Marmaton 8,985'Granite Wash 9,450'NOVI 10,712'13 FINGER 10,790'Morrow 10,910'

✓ 42-211-35658 LITTLE-PYEATT 30-19 ME EX · BLACKBEARD OPERATING, LLC

5.2 mi

Brown Dolomite 4,230'Douglas 7,459'Kansas City 8,817'Cleveland 9,445'Pennsylvanian 9,725'Oswego —Tonkawa —BROWNSVILLE —Pennsylvanian —TOPEKA —

✓ 42-211-35657 LITTLE 30-43 ME EX · BLACKBEARD OPERATING, LLC

5.2 mi

Brown Dolomite 4,223'Douglas 7,415'Cleveland 7,723'Kansas City 8,824'Pennsylvanian 9,960'Tonkawa —Pennsylvanian —TOPEKA —BROWNSVILLE —Oswego —

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 (4)

Interval	Type
10,027–10,038 ft	Perforated
10,126–10,132 ft	Perforated
10,160–10,170 ft	Perforated
10,412–10,946 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	2,856 ft	2,500 sx
2.375"	10,308 ft	—
5.5"	11,665 ft	500 sx

Permit History (2)

#879622 Recompletion Final Completion

CAMPBELL, J.W. UNIT · 11,670 ft

2022-05-05

Spud 1980-09-21

#93024 Drill Final Completion

J.W. CAMPBELL UNIT · 11,750 ft

1980-09-18

Spud 1980-09-21

Applications (2)

#879622 A LONE TREE OIL & GAS LLC

received 2022-04-29

#93024 A KAISER-FRANCIS OIL COMPANY

received 1980-09-18

Records & Logs

2 completion filings on record.

W-2/G-1 2025-08-18

W-2/G-1 1981-03-18

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 35.795024

Lon -100.500993

Well Details

Well Number: 135
Max Depth: 11,750 ft
Drill Type: Vertical
County: HEMPHILL
District: 10
Operator: LONE TREE OIL & GAS LLC
Completed: 1980-12-22

Operator

Name: LONE TREE OIL & GAS LLC
Location: GREENWOOD V, LG
P-5 Status: Active (filed 2026-04-08)
Cum Oil (all leases): 27,267 bbl
Cum Gas (all leases): 1,452,091 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 5