42-479-33159

Final Completion

VAQUILLAS RANCH-A1

WEBB County · District 4 · CONOCO INC. · GATO CREEK SE (LOBO 1)

Permits

Max Depth

11,300 ft

First Permit

1981-10-16

Latest Activity

1992-08-18

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1982-04-03

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: CONOCO INC. ≠ Production: HILCORP ENERGY COMPANY (reported 2026-04)

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

CONOCO INC. 1993-2002→ CONOCOPHILLIPS COMPANY 2003-2015→ HILCORP ENERGY COMPANY 2016-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (6) Elevation 620 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
1ST UNCONFORMITY	9,660 ft	-9,040 ft
WALKER STRAY	10,090 ft	-9,470 ft
LOBO 1	10,242 ft	-9,622 ft
LOBO 3	10,450 ft	-9,830 ft
LOBO 6	10,867 ft	-10,247 ft
WILL'S POINT	11,980 ft	-11,360 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 (2)

Interval	Type
10,248–10,266 ft	Perforated
10,867–11,019 ft	Perforated

Casing (5)

Size	Set Depth	Cement
13.375"	1,018 ft	900 sx
9.625"	8,643 ft	750 sx
2.5"	10,723 ft	—
5.5"	11,300 ft	2,500 sx
5.5"	11,300 ft	2,500 sx

Permit History (2)

#401773 Recompletion Final Completion

VAQUILLAS RANCH "A-1" · 11,300 ft

1992-08-18

Spud 1992-06-29

#136851 Drill Final Completion

VAQUILLAS RANCH A-1 · 11,300 ft

1981-10-16

Spud 1981-11-10

Applications (2)

#401773 A CONOCO INC.

received 1992-07-29

#136851 A CONOCO INC.

received 1981-10-16

Records & Logs

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

W-2/G-1 1992-11-20

W-2/G-1 1992-09-16

W-2/G-1 1992-07-29 log on file

W-2/G-1 1992-08-26

W-2/G-1 1982-04-30

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 WEBB County.

Well Details

Well Number: 15
Max Depth: 11,300 ft
Drill Type: Vertical
County: WEBB
District: 4
Operator: CONOCO INC.
Completed: 1982-04-03

Operator

Name: CONOCO INC
Location: HOUSTON
P-5 Status: Inactive (filed 2011-08-01)
Cum Oil (all leases): 47,167,767 bbl
Cum Gas (all leases): 1,813,222,856 mcf
Total Permits: 4,644