42-493-31540

Horizontal

TRAPPE

WILSON County · District 1 · FIRST LIGHT OPERATING LLC · MARCELINA CREEK (AUSTIN CHALK)

Permits

4

Max Depth

8,000 ft

First Permit

1984-04-02

Latest Activity

2012-11-20

Lifespan

29 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-05-15

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: FIRST LIGHT OPERATING LLC ≠ Permit: FIRST ROCK, INC.

Resolved via: productionFIRST LIGHT OPERATING, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (7) Elevation 378 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TAYLOR 6,250 ft-5,872 ft
ANACACHO 6,780 ft-6,402 ft
AUSTIN CHALK 7,010 ft-6,632 ft
AUSTIN (Austin Chalk)7,015 ft-6,637 ft
AUSTIN CHALK 7,030 ft-6,652 ft
EAGLEFORD (Eagle Ford)7,275 ft-6,897 ft
BUDA 7,355 ft-6,977 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)

IntervalType
6,900–8,808 ftPerforated
7,016–8,783 ftPerforated
7,150–7,263 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"1,012 ft700 sx
5.5"7,445 ft1,420 sx
5.5"7,460 ft335 sx

Permit History (4)

Applications (4)

#751223 A FIRST ROCK, INC.
received 2012-12-28
#751223 A FIRST ROCK, INC.
received 2012-11-08
#686545 A FIRST ROCK, INC.
received 2009-10-23
#234151 A RGR PRODUCTION
received 1984-03-30

Records & Logs

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

W-2/G-1 2013-04-22 log on file
W-2/G-1 2010-02-22 log on file
W-2/G-1 1984-05-18
W-2/G-1 1984-05-18
W-2/G-1 1984-05-18

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 WILSON County.

Well Details

Well Number
1
Max Depth
8,000 ft
Drill Type
Horizontal
County
WILSON
District
1
Completed
1984-05-15

Operator

Location
SAN ANTONIO
P-5 Status
X (filed 2026-05-22)
Cum Oil (all leases)
32,902 bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/O