42-507-32727

INJECTION Horizontal

FELPS

ZAVALA County · District 1 · RIO-TEX INC. · COMANCHE-HALSELL (6500)

Permits

Max Depth

8,200 ft

First Permit

2008-05-21

Latest Activity

2008-09-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2010-07-10

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: RIO-TEX INC. ≠ Permit: TXCO RESOURCES INC.

Resolved via: production → RIO-TEX, INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2008-06

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000102026 permitted 2010-07-07

Permitted Volume

—

Max Pressure

850 psi

Injection Interval

7,350–8,217 ft

Injected (12mo)

91,200 bbl

H-1 Injection Cancelled 2010-08-27 UIC #000102027 permitted 2010-07-07

Permitted Volume

—

Max Pressure

850 psi

Injection Interval

7,350–8,217 ft

Injected (12mo)

91,200 bbl

Monthly injected volume (bbl, from H-10 filings through 2026-03-01)

Operator History

originally filed by TXCO RESOURCES INC. — asset transferred

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 (6) Elevation 571 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
EAGLEFORD (Eagle Ford)	5,470 ft	-4,899 ft
BUDA	5,730 ft	-5,159 ft
GEORGETOWN	6,071 ft	-5,500 ft
MCKNIGHT	6,690 ft	-6,119 ft
EDWARDS	6,990 ft	-6,419 ft
GLEN ROSE	7,180 ft	-6,609 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
7,350–7,957 ft	Open hole
7,350–8,217 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	770 ft	341 sx
5.5"	7,350 ft	710 sx

Permit History (2)

#661046 Drill Final Completion

FELPS · 8,200 ft

2008-09-05

Spud 2008-05-21

#661046 Drill

FELPS · 7,000 ft

2008-05-21

Applications (2)

#661046 A TXCO RESOURCES INC.

received 2008-06-24

#661046 A TXCO RESOURCES INC.

received 2008-05-02

Records & Logs

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

W-2/G-1 2010-08-26

W-2/G-1 2008-08-01 log on file

W-2/G-1 2010-03-25

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 ZAVALA County.

Well Details

Well Number: 1H
Max Depth: 8,200 ft
Drill Type: Horizontal
County: ZAVALA
District: 1
Operator: RIO-TEX INC.
Completed: 2010-07-10

Operator

Name: RIO-TEX, INC
Location: SAN ANTONIO
P-5 Status: Active (filed 2025-08-19)
Cum Oil (all leases): 343,539 bbl
Cum Gas (all leases): 11,318,347 mcf
Activities: G/PUR, OPRS/G, OPRS/O
Total Permits: 178