← Wells

42-135-35032

Final Completion

COWDEN RANCH -7-

ECTOR County · District 8 · RUST OIL CORP. · COWDEN (CISCO)

Permits

2

Max Depth

9,500 ft

First Permit

1985-07-22

Latest Activity

2025-08-29

Lifespan

40 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-10-20

Shut-In

—

Plugged

—

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.

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (6) Elevation 3,015 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 3,600 ft-585 ft
SAN ANDRES 4,228 ft-1,213 ft
TOP SAN ANDRES (San Andres)4,228 ft-1,213 ft
GLORIETA 5,400 ft-2,385 ft
TOP WOLFCAMP (Wolfcamp)8,054 ft-5,039 ft
WOLFCAMP 8,054 ft-5,039 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-135-43609 COWDEN · ZARVONA ENERGY LLC
0.8 mi
Grayburg 3,360'Glorieta 5,273'Tubb 5,673'Santa Rosa —Clear Fork —Yates —San Andres —Queen —Holt —Seven Rivers —
✓ 42-135-35643 COWDEN RANCH '6A' · RUST OIL CORP.
0.9 mi
Grayburg 3,600'San Andres 4,042'San Andres 4,200'Clear Fork 5,266'Glorieta 5,400'
✓ 42-135-35987 COWDEN RANCH '6A' · RUST OIL CORP.
1.2 mi
Santa Rosa 1,300'Yates 2,700'Yates 2,800'Seven Rivers 2,900'Queen 3,100'Grayburg 3,600'Grayburg 3,800'San Andres 4,065'San Andres 4,228'San Andres 4,300'San Andres 4,800'Holt 5,200' +3 more
✓ 42-135-43674 COWDEN · ZARVONA ENERGY LLC
1.7 mi
Queen 3,680'Grayburg 3,980'San Andres 4,320'Glorieta 5,260'Tubb 5,680'Seven Rivers —Yates —Holt —Clear Fork —Santa Rosa —
✓ 42-135-43552 COWDEN · NOVO OIL & GAS TEXAS, LLC
1.7 mi
Yates 3,787'Seven Rivers 4,786'Queen 4,996'Grayburg 5,284'San Andres 5,669'Glorieta 6,205'Clear Fork 6,405'Holt —Tubb —Santa Rosa —
✓ 42-135-43511 COWDEN 9 · RAPTOR PETROLEUM DEVELOP, LLC
2.2 mi
Santa Rosa 1,382'Yates 2,842'Seven Rivers 3,065'Queen 3,750'Grayburg 4,028'
✓ 42-135-43810 SWEET MELISSA · ARES ENERGY, LTD.
2.3 mi
Yates 2,843'Seven Rivers 3,225'Queen 3,442'Grayburg 3,777'San Andres 3,976'Glorieta 5,361'Clear Fork 5,554'Tubb —Holt —Santa Rosa —
✓ 42-135-44016 KATY UNIT · ARES ENERGY, LTD.
3.0 mi
Yates 2,830'Queen 3,430'Grayburg 3,980'San Andres 4,283'Glorieta 5,348'Clear Fork 5,763'Santa Rosa —Seven Rivers —Tubb —Holt —

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
8,080–8,106 ftPerforated
8,823–8,841 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"317 ft350 sx
8.625"4,393 ft1,520 sx
5.5"9,208 ft1,220 sx

Permit History (2)

#907215 Recompletion Final Completion

COWDEN RANCH '7A' · 9,200 ft

2025-08-29

Spud 1985-09-04

#280721 Drill Final Completion

COWDEN RANCH "7" · 9,500 ft

1985-07-22

Applications (2)

#907215 A RUST OIL CORP.
received 2025-04-03
#280721 A RUST OIL CORP.
received 1985-07-19

Records & Logs

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

W-2/G-1 2026-01-08
W-2/G-1 1985-10-25 log on file
W-2/G-1 1985-11-02
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.

Google Maps → Explorer Map →
Lat 31.855376
Lon -102.524905

Well Details

Well Number
1
Max Depth
9,500 ft
Drill Type
Vertical
County
ECTOR
District
8
Operator
RUST OIL CORP.
Completed
1985-10-20

Operator

Location
FORT WORTH
P-5 Status
X (filed 2025-11-17)
Cum Oil (all leases)
3,567,571 bbl
Cum Gas (all leases)
2,242,073 mcf
Activities
OPRS/G, OPRS/O
Total Permits
317