42-177-31919

Final Completion Horizontal

BILLINGS-GERHART UNIT

GONZALES County · District 1 · ENDEAVOR ENERGY RESOURCES L.P. · FIRST SHOT (AUSTIN CHALK)

Permits

1

Max Depth

13,600 ft

First Permit

1991-05-17

Latest Activity

1991-05-17

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-08-26

Shut-In

Plugged

2017-08-17

!

EWA / Production operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Production: SABRE OPERATING, INC. (reported 1996-07)

!

EWA / Permit operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Permit: UNION PACIFIC RESOURCES COMPANY

Resolved via: schedulingENDEAVOR ENERGY RESOURCES L.P.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2018-01

Lease Production

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

Formation Tops (5) Elevation 255 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MIDWAY 6,315 ft-6,060 ft
NAVARRO 7,065 ft-6,810 ft
OLMOS 7,795 ft-7,540 ft
ANACACHO 8,665 ft-8,410 ft
AUSTIN CHALK 9,030 ft-8,775 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 (1)

IntervalType
9,108–12,697 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"1,000 ft820 sx
7.625"9,108 ft230 sx

Permit History (1)

Applications (1)

#388056 A UNION PACIFIC RESOURCES COMPANY
received 1991-05-17

Records & Logs

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

W-2/G-1 1991-09-09 log on file
W-2/G-1 1991-10-16

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 GONZALES County.

Well Details

Well Number
1
Max Depth
13,600 ft
Drill Type
Horizontal
County
GONZALES
District
1
Completed
1991-08-26

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-06-12)
Cum Oil (all leases)
507,205,629 bbl
Cum Gas (all leases)
70,424,421 mcf
Total Permits
6,190