42-353-32231

SHUT IN

GROUP 4000 UNIT A

NOLAN County · District 7 · WINCHESTER ENERGY LLC · GROUP (4000)

Permits

Max Depth

4,200 ft

First Permit

1993-05-25

Latest Activity

2023-11-13

Lifespan

30 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-11-04

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000099845 permitted 2008-10-29

Permitted Volume

900 bbl/d

Max Pressure

600 psi

Injection Interval

3,981–3,991 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2023-11-01)

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

Operator History

Chain of Custody

O & G ENERGY, INC. 1993-1996→ F&H ENERGY,LTD. 1996-1997→ ROBERTSON RESOURCES, INC. 1997-2001→ XERIC OIL & GAS CORPORATION 2001-2003→ ALEGRE ENERGY, INC. 2003-2006→ ALEGRE ENERGY OPERATING, LP 2004-2005→ DELCO OPERATING COMPANY LP 2006-2007→ MIDWESTERN ENERGY 2007-2015→ W & W PRODUCTION, LLC 2015-2017→ WINCHESTER ENERGY, LLC 2022-2024

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 2,325 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
FLIPPEN	3,980 ft	-1,655 ft
FLIPPEN COOK LIME	3,981 ft	-1,656 ft
CISCO	4,020 ft	-1,695 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

✓ 42-353-31745 COCHRAN, J.H. 'A' · SUN EXPL. & PROD. CO.-ABILENE

0.7 mi

GARDENER 6,241'Caddo 6,553'ELLEN 6,752'

✓ 42-353-31744 COCHRAN, J.H. 'A' · SUN EXPL. & PROD. CO.-ABILENE

0.8 mi

Canyon 4,394'Caddo 6,413'Ellenburger 6,585'

✓ 42-353-32070 CHAPMAN · W & W PRODUCTION, LLC

1.0 mi

GROUP 4000 4,018'Strawn 5,734'Strawn 6,034'ODOM LIME 6,274'Caddo 6,372'Caddo 6,432'Ellenburger 6,548'

✓ 42-353-31729 COCHRAN 'C' · GOODROCK NATURAL RESOURCES, LLC

1.3 mi

NOODLE CREEK 3,492'Saddle Creek 3,835'Cisco 4,136'Canyon 5,198'Strawn 5,475'T/ODOM LIME 6,230'ODOM LIME 6,230'Caddo 6,390'Ellenburger 6,525'

✓ 42-353-31755 COCHRAN 'A' · UNION TEXAS PETROLEUM CORP.

2.1 mi

Coleman Junction 2,945'GOEN 5,666'GARDNER 5,955'ODOM 6,276'Caddo 6,374'Ellenburger 6,388'

✓ 42-353-31773 COCHRAN · UNION TEXAS PETROLEUM CORP.

2.2 mi

Coleman Junction 3,033'GOEN 5,742'GARDNER 5,998'ODOM 6,249'Caddo 6,440'

✓ 42-353-31583 COCHRAN · WES-TEX DRLG. CO.

2.3 mi

NOODLE CREEK 3,466'Saddle Creek 3,784'Cisco 3,983'Cisco 4,458'B/REEF 5,550'T/CADDO 6,300'T/ELLENBURGER 6,510'

✓ 42-353-33704 KILLGORE · MIDLAND OIL AND GAS, INC.

2.5 mi

Coleman Junction 3,474'NOODLE CREEK - DISPOSAL 3,900'Saddle Creek 4,103'BRECKENRIDGE - DISPOSAL 4,330'Canyon 5,124'Cline 5,922'Strawn 6,000'CAMBRIAN - DISPOSAL —FLIPPEN LIME - DISPOSAL —Tannehill —FLIPPEN SAND - DISPOSAL —Wolfcamp — +4 more

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
3,981–3,991 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	220 ft	103 sx
7.875"	4,194 ft	345 sx
5.5"	4,194 ft	445 sx

Permit History (2)

#895007 Reclass Final Completion

GROUP 4000 UNIT 'A' · 4,200 ft

2023-11-13

#411940 Drill Final Completion

GROUP 4000 UNIT · 4,200 ft

1993-05-25

Spud 1993-12-15

Applications (2)

#895007 A WINCHESTER ENERGY, LLC

received 2023-11-01

#411940 A O & G ENERGY, INC.

received 1993-05-20

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 2024-02-21

W-2/G-1 2015-06-29

W-2/G-1 1994-01-10 log on file

W-2/G-1 1994-02-03

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 32.189118

Lon -100.384162

Well Details

Well Number: 15A
Max Depth: 4,200 ft
Drill Type: Vertical
County: NOLAN
District: 7
Operator: WINCHESTER ENERGY LLC
Completed: 2022-11-04

Operator

Name: WINCHESTER ENGY, LLC
Location: HOUSTON
P-5 Status: Active (filed 2026-03-23)
Cum Oil (all leases): 381,495 bbl
Cum Gas (all leases): 50,958 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 47