42-479-34571

Final Completion

VAQUILLAS RANCH -A8

WEBB County · District 4 · CONOCO INC. · BONEBRAKE (LOBO 6)

Permits

Max Depth

9,900 ft

First Permit

1987-09-01

Latest Activity

1997-09-23

Lifespan

10 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-01-29

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 (7) Elevation 601 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CARRIZO WILCOX (Carrizo)	4,698 ft	-4,097 ft
LOWER WILCOX (Wilcox)	6,458 ft	-5,857 ft
BASE OF LOWER WILCOX (Wilcox)	8,080 ft	-7,479 ft
BASE OF LWR. WILCOX	8,080 ft	-7,479 ft
LOBO INTERVAL	8,080 ft	-7,479 ft
LOBO 6	9,150 ft	-8,549 ft
WILLS POINT	9,490 ft	-8,889 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 (7)

Interval	Type
8,650–8,680 ft	Perforated
9,182–9,192 ft	Perforated
9,182–9,440 ft	Perforated
9,208–9,218 ft	Perforated
9,274–9,284 ft	Perforated
9,338–9,348 ft	Perforated
9,432–9,440 ft	Perforated

Casing (4)

Size	Set Depth	Cement
10.75"	633 ft	390 sx
7.625"	4,440 ft	1,050 sx
2.875"	9,628 ft	490 sx
2.875"	9,638 ft	490 sx

Permit History (2)

#467695 Recompletion Final Completion

VAQUILLAS RANCH A8 · 9,650 ft

1997-09-23

Spud 1997-08-18

#334980 Drill Final Completion

VAQUILLAS RANCH-A8 · 9,900 ft

1987-09-01

Applications (2)

#467695 A CONOCO INC.

received 1997-09-17

#334980 A CONOCO INC.

received 1987-08-24

Records & Logs

5 completion filings on record · 2 with log images at RRC.

W-2/G-1 1998-03-16

W-2/G-1 1997-09-18 log on file

W-2/G-1 1997-10-07

W-2/G-1 1988-02-16 log on file

W-2/G-1 1988-03-08

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: 59
Max Depth: 9,900 ft
Drill Type: Vertical
County: WEBB
District: 4
Operator: CONOCO INC.
Completed: 1988-01-29

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