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42-289-30617

PRODUCING

GUOKAS CHARLES

LEON County · District 5 · ROBERTS & HAMMACK INC. · RED OAK (SUB-CLARKSVILLE)

Permits

1

Max Depth

6,100 ft

First Permit

1984-12-31

Latest Activity

1984-12-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1986-03-25

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: ROBERTS & HAMMACK INC. ≠ Permit: ROBERTS & HAMMACK, INC.

Resolved via: production → ROBERTS & HAMMACK INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

ROBERTS & HAMMACK, INC. 1993-2007→ ROBERTS & HAMMACK INC. 2007-2026

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 (5) Elevation 418 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BASE OF WILCOX (Wilcox)2,350 ft-1,932 ft
PECAN GAP 4,370 ft-3,952 ft
TOP AUSTIN CHALK (Austin Chalk)5,070 ft-4,652 ft
TOP OF AUSTIN CHALK (Austin Chalk)5,070 ft-4,652 ft
SUB-CLARKSVILLE 5,858 ft-5,440 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
5,858–5,864 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"225 ft165 sx
4.5"5,970 ft1,500 sx

Permit History (1)

#263458 Drill Final Completion

GUOKAS, CHARLES · 6,100 ft

1984-12-31

Applications (1)

#263458 A ROBERTS & HAMMACK, INC.
received 1984-12-27

Records & Logs

3 completion filings on record.

W-2/G-1 1986-03-27
W-2/G-1 1986-01-03
W-2/G-1 1986-02-04
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 LEON County.

Well Details

Well Number
1
Max Depth
6,100 ft
Drill Type
Vertical
County
LEON
District
5
Operator
ROBERTS & HAMMACK INC.
Completed
1986-03-25

Operator

Location
DALLAS
P-5 Status
Active (filed 2025-08-06)
Cum Oil (all leases)
388,530 bbl
Cum Gas (all leases)
4,710,376 mcf
Activities
CSGD/G, GTHS/G, OPRS/G, OPRS/O
Total Permits
28