42-289-31241

Final Completion

HULL EFFIE MAE

LEON County · District 5 · XTO ENERGY INC. · BEAR GRASS (TRAVIS PEAK)

Permits

Max Depth

10,700 ft

First Permit

1996-05-22

Latest Activity

2011-05-17

Lifespan

15 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1996-07-17

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: XTO ENERGY INC. ≠ Production: HILCORP ENERGY COMPANY (reported 2026-04)

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1996-07

Last Production

2026-07

Operator History

Chain of Custody

ENSERCH EXPLORATION, INC 1996-1998→ EEX CORPORATION 1998-1998→ CROSS TIMBERS OPERATING COMPANY 1998-2001→ MARATHON OIL COMPANY 2001-2002→ XTO ENERGY INC. 2002-2023→ HILCORP ENERGY COMPANY 2024-2026

Lease Production

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

Formation Tops (5) Elevation 500 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RODESSA	8,200 ft	-7,700 ft
RODESSA	8,240 ft	-7,740 ft
JAMES (James Lime)	8,769 ft	-8,269 ft
PETTIT	8,934 ft	-8,434 ft
TRAVIS PEAK	9,326 ft	-8,826 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 (3)

Interval	Type
8,959–9,084 ft	Perforated
9,402–9,474 ft	Perforated
9,919–10,112 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,655 ft	555 sx
4.5"	10,520 ft	1,055 sx

Permit History (2)

#716035 Recompletion Final Completion

EFFIE MAE HULL · 10,520 ft

2011-05-17

Spud 2011-05-24

#448444 Drill Final Completion

HULL, EFFIE MAE · 10,700 ft

1996-05-22

Spud 1996-06-05

Applications (2)

#716035 A XTO ENERGY INC.

received 2011-05-10

#448444 A ENSERCH EXPLORATION, INC

received 1996-05-22

Records & Logs

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

W-2/G-1 2011-08-26

W-2/G-1 1996-08-05 log on file

W-2/G-1 1996-08-22

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 LEON County.

Well Details

Well Number: 4
Max Depth: 10,700 ft
Drill Type: Vertical
County: LEON
District: 5
Operator: XTO ENERGY INC.
Completed: 1996-07-17

Operator

Name: XTO ENGY INC
Location: SPRING
P-5 Status: X (filed 2026-04-08)
Cum Oil (all leases): 772,419,164 bbl
Cum Gas (all leases): 11,039,899,986 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 16,139