42-135-03155

Final Completion

GOLDSMITH NORTH DEVONIAN UNIT

ECTOR County · District 8 · OCTANE ENERGY OPERATING LLC · GOLDSMITH N. (DEVONIAN)

Permits

1

Max Depth

7,790 ft

First Permit

2024-05-06

Latest Activity

2024-05-06

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1953-12-27

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: OCTANE ENERGY OPERATING LLC ≠ Permit: FIVESTONES ENERGY LLC

Resolved via: productionOCTANE ENERGY 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 (10) Elevation 3,305 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,772 ft+533 ft
SEVEN RIVERS 3,017 ft+288 ft
GRAYBURG 4,045 ft-740 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,210 ft-905 ft
CLEARFORK (Clear Fork)5,615 ft-2,310 ft
TUBB 6,118 ft-2,813 ft
GLORIETA
HOLT
QUEEN
SANTA ROSA BASE (Santa Rosa)

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-135-35014 R.B. -AB- COWDEN · FIVESTONES ENERGY LLC
0.4 mi
Rustler 1,480'Grayburg 3,780'San Andres 4,222'Clear Fork 5,610'Devonian 7,890'Silurian (undifferentiated) 7,950'
42-135-21198 R.B. COWDEN 'B' · FIVESTONES ENERGY LLC
0.7 mi
San Andres 4,220'Clear Fork 5,718'Wichita-Albany 6,709'
42-003-33297 COWDEN 'F' · FIVESTONES ENERGY LLC
1.1 mi
Yates 2,730'San Andres 4,202'San Andres 4,245'Clear Fork 5,642'Clear Fork 5,828'Clear Fork 6,208'Wichita-Albany 6,801'Wolfcamp 7,382'Fusselman 8,021'
42-003-33277 COWDEN "F" SILURIAN · PECOS OPERATING COMPANY, LLC
1.2 mi
San Andres 4,246'SAN ANMDRES 4,246'Clear Fork 5,642'Wolfcamp 7,378'Silurian (undifferentiated) 8,002'Fusselman 8,002'
42-003-32949 COWDEN 'F' · FIVESTONES ENERGY LLC
1.3 mi
San Andres 4,220'Clear Fork 5,634'Wichita-Albany 6,810'Wolfcamp 7,366'Fusselman 8,024'
42-003-32763 COWDEN 'F' · FIVESTONES ENERGY LLC
1.5 mi
San Andres 4,130'San Andres 4,190'Glorieta 5,162'Clear Fork 5,623'Wolfcamp 7,365'Fusselman 8,054'Grayburg Queen Yates Seven Rivers Holt Tubb +1 more
42-003-33999 HILL-STATE · FIVESTONES ENERGY LLC
1.6 mi
Glorieta 5,305'U. CLEARFORK 5,635'Clear Fork 5,636'L. CLEARFORK 6,170'Wichita-Albany 6,816'Wolfcamp 7,380'Woodford 7,803'Fusselman 8,088'
42-003-10401 COWDEN 2-VV · ANDECTOR EXPLORATION COMPANY
1.7 mi
ANHYDRITE, SALT, SAND 1,430'RED BED 1,430'Yates 2,580'ANHYDRITE GYPSUM 2,920'San Andres 4,118'DOLOMITE AND SHALE 4,160'SAND AND DOLOMITE 5,210'Glorieta 5,210'DOLOMITE 5,610'Clear Fork 5,610'SAND AND RED BED

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (2)

IntervalType
6,890–7,454 ftPerforated
7,890–7,970 ftPerforated

Casing (6)

SizeSet DepthCement
13.375"326 ft325 sx
13.375"326 ft325 sx
8.625"4,495 ft225 sx
8.625"4,495 ft225 sx
5.5"8,015 ft250 sx
5.5"8,015 ft250 sx

Permit History (1)

Applications (1)

#899377 A FIVESTONES ENERGY LLC
received 2024-05-01

Records & Logs

4 completion filings on record.

W-2/G-1 2024-09-19
W-2/G-1 1991-08-08
W-2/G-1 1991-05-22
W-2/G-1 1984-01-12
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

Lat 32.075100
Lon -102.766350

Well Details

Well Number
4
Max Depth
7,790 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
1953-12-27

Operator

Location
MIDLAND
P-5 Status
Active (filed 2025-09-17)
Cum Oil (all leases)
153,179 bbl
Cum Gas (all leases)
4,417 mcf
Activities
OPRS/O
Total Permits
8