42-451-31957

Final Completion

HERCULES

TOM GREEN County · District 7 · R K PETROLEUM CORP. · KENNEMER W. (ELLENBURGER)

Permits

4

Max Depth

8,000 ft

First Permit

1989-06-06

Latest Activity

1990-01-26

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-06-30

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: R K PETROLEUM CORP. ≠ Production: COBALT OPERATING, LLC (reported 2014-11)

Resolved via: schedulingR K PETROLEUM CORP.

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 (10) Elevation 2,061 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANGELO 1,080 ft+981 ft
B/PERMO-PENN LIME4,456 ft-2,395 ft
HOMECREEK LIME (T/CANYON)5,610 ft-3,549 ft
T/CANYON SAND (S)6,005 ft-3,944 ft
LOWER CANYON SAND (Canyon)6,260 ft-4,199 ft
PALO PINTO 6,455 ft-4,394 ft
CANYON MARKER (Canyon)6,496 ft-4,435 ft
STRAWN SAND (Strawn)6,640 ft-4,579 ft
STRAWN LIME (Strawn)6,780 ft-4,719 ft
ELLENBURGER 6,983 ft-4,922 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
6,005–6,015 ftPerforated
6,261–6,265 ftPerforated
6,967–7,000 ftOpen hole

Casing (2)

SizeSet DepthCement
8.625"370 ft175 sx
5.5"6,967 ft575 sx

Permit History (4)

Applications (4)

#369079 A R K PETROLEUM CORPORATION
received 1990-05-04
#369079 A R K PETROLEUM CORPORATION
received 1990-01-25
#360092 A R K PETROLEUM CORPORATION
received 1989-07-10
#360092 A R K PETROLEUM CORPORATION
received 1989-06-06

Records & Logs

5 completion filings on record · 4 with log images at RRC.

W-2/G-1 2014-03-25 log on file
W-2/G-1 1990-02-08 log on file
W-2/G-1 1990-05-12 log on file
W-2/G-1 1989-07-05 log on file
W-2/G-1 1989-07-22

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 TOM GREEN County.

Well Details

Well Number
1
Max Depth
8,000 ft
Drill Type
Vertical
County
TOM GREEN
District
7
Completed
1989-06-30

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-01-08)
Cum Oil (all leases)
18,378,032 bbl
Cum Gas (all leases)
1,326,267 mcf
Total Permits
529