42-347-31376

Final Completion

MAST A.T. ETAL J.J. GAS UNIT

NACOGDOCHES County · District 6 · WEATHERLY OIL & GAS LLC · NACONICHE CREEK (ROD.-TP CONS.)

Permits

Max Depth

10,800 ft

First Permit

1985-01-18

Latest Activity

1996-02-21

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1996-02-17

Shut-In

—

Plugged

2026-02-11

EWA / Production operator mismatch

Scheduling: WEATHERLY OIL & GAS LLC ≠ Production: CHESAPEAKE OPERATING, INC. (reported 2009-05)

EWA / Permit operator mismatch

Scheduling: WEATHERLY OIL & GAS LLC ≠ Permit: JACOBI-JOHNSON ENERGY, INC.

Resolved via: scheduling → WEATHERLY OIL & GAS LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-02

Operator History

Chain of Custody

HURLEY PETROLEUM CORPORATION 1993-1995→ KAISER-FRANCIS OIL COMPANY 1995-1995→ JACOBI-JOHNSON ENERGY, INC. 1996-1998→ EXCO RESOURCES, INC. 1999-2005→ CHESAPEAKE OPERATING, INC. 2005-2009

Lease Production

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

Formation Tops (9) Elevation 398 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
UGR	5,055 ft	-4,657 ft
UPPER GLEN ROSE (Glen Rose)	5,055 ft	-4,657 ft
BMA	6,740 ft	-6,342 ft
JAMES (James Lime)	7,235 ft	-6,837 ft
PETTET (Pettit)	7,500 ft	-7,102 ft
PETTIT	7,500 ft	-7,102 ft
TRAVIS PEAK	8,042 ft	-7,644 ft
COTTON VALLET	10,156 ft	-9,758 ft
COTTON VALLEY (KNOWLES) (Cotton Valley)	10,156 ft	-9,758 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 (2)

Interval	Type
7,872–7,880 ft	Perforated
8,376–8,482 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	2,950 ft	1,113 sx
5.5"	10,170 ft	1,796 sx

Permit History (2)

#445049 Recompletion Final Completion

A.T. MAST ET AL J.J. GAS UNIT · 10,170 ft

1996-02-21

Spud 1996-02-14

#264527 Drill Final Completion

A. T. MAST ET AL A-1 GAS UNIT · 10,800 ft

1985-01-18

Spud 1985-02-17

Applications (3)

#445049 A JACOBI-JOHNSON ENERGY, INC.

received 1996-02-21

#264527 A PRAIRIE PRODUCING COMPANY

received 1986-01-08

#264527 A PRAIRIE PRODUCING COMPANY

received 1985-01-08

Records & Logs

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

W-2/G-1 1996-02-28 log on file

W-2/G-1 1996-05-24

W-2/G-1 1986-01-16 log on file

W-2/G-1 1986-04-05

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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in NACOGDOCHES County.

Well Details

Well Number: 1
Max Depth: 10,800 ft
Drill Type: Vertical
County: NACOGDOCHES
District: 6
Operator: WEATHERLY OIL & GAS LLC
Completed: 1996-02-17

Operator

Name: WEATHERLY OIL & GAS, LLC
Location: DALLAS
P-5 Status: Delinquent (filed 2018-08-10)
Cum Oil (all leases): 47,824 bbl
Cum Gas (all leases): 16,623,536 mcf
Activities: G/PUR, OPRS/G, OPRS/O
Total Permits: 5