42-391-32192

REFUGIO County · District 2 · GILSTER, RALPH R. III

Permits

Max Depth

7,700 ft

First Permit

1997-08-20

Latest Activity

1999-10-18

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1997-11

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000090896 permitted 2001-04-09

Permitted Volume

6,000 mcf/d

Max Pressure

3,250 psi

Injection Interval

4,483–4,524 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Operator History

Chain of Custody

GILSTER, RALPH R. III 1997-2004→ T - C OIL COMPANY 2004-2011→ T-C OIL COMPANY, LLC 2012-2026

Lease Production

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

Formation Tops (5) Elevation 63 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LAGARTO	1 ft	+62 ft
EOCENE	2,680 ft	-2,617 ft
MIOCENE (Miocene (undifferentiated))	3,050 ft	-2,987 ft
CATAHOULA	3,740 ft	-3,677 ft
GRETA	4,450 ft	-4,387 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 (4)

Interval	Type
4,495–4,497 ft	Perforated
4,506–4,510 ft	Perforated
4,514–4,517 ft	Perforated
4,520–4,521 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,601 ft	918 sx
5.5"	5,513 ft	1,390 sx

Permit History (2)

#488505 Recompletion

BP · 7,600 ft

1999-10-18

#466412 Drill Final Completion

BP · 7,700 ft

1997-08-20

Spud 1997-10-01

Applications (2)

#488505 A GILSTER, RALPH R. III

received 1999-10-14

#466412 A GILSTER, RALPH R. III

received 1997-08-18

Records & Logs

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

W-2/G-1 2001-09-24

W-2/G-1 1998-01-20

W-2/G-1 1997-12-04 log on file

W-2/G-1 1998-01-08

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 REFUGIO County.

Well Details

Well Number: 1
Max Depth: 7,700 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: GILSTER, RALPH R. III

Operator

Name: GILSTER, RALPH R. III
Location: VICTORIA
P-5 Status: Inactive (filed 2004-05-18)
Cum Oil (all leases): 1,981,597 bbl
Cum Gas (all leases): 2,033,407 mcf
Total Permits: 52