42-067-30726

PRODUCING

SIMMONS OIL UNIT

CASS County · District 6 · STETSON PETROLEUM CORP. · LINDEN EAST ( COTTON VALLEY)

Permits

1

Max Depth

11,500 ft

First Permit

1998-05-08

Latest Activity

1998-05-08

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1998-08-01

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: STETSON PETROLEUM CORP. ≠ Permit: COSTILLA ENERGY, INC.

Resolved via: schedulingSTETSON PETROLEUM CORP.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1998-09

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 (6) Elevation 264 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TRAVIS PEAK 6,980 ft-6,716 ft
LOWER COTTON VALLEY (Cotton Valley)9,628 ft-9,364 ft
MASSIVE BOSSIER10,380 ft-10,116 ft
MASSIVE BOSSIER SHAL10,380 ft-10,116 ft
CV LIME10,556 ft-10,292 ft
BUCKNER ANYDRITE (Buckner)10,704 ft-10,440 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
10,161–10,368 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,516 ft375 sx
5.5"10,875 ft940 sx

Permit History (1)

Applications (1)

#476139 A COSTILLA ENERGY, INC.
received 1998-05-08

Records & Logs

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

W-2/G-1 1998-10-19 log on file
W-2/G-1 1998-12-15

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 CASS County.

Well Details

Well Number
1R
Max Depth
11,500 ft
Drill Type
Vertical
County
CASS
District
6
Completed
1998-08-01

Operator

Location
ROLLINS
P-5 Status
X (filed 2025-11-12)
Cum Oil (all leases)
1,922,216 bbl
Cum Gas (all leases)
1,595,542 mcf
Activities
OPRS/G, OPRS/O
Total Permits
41