42-355-04779

DRISCOLL-ELLIFF UNIT

NUECES County · District 4 · CHAMPLIN PETROLEUM CO. · AGUA DULCE (7150 SAND)

Permits

4

Max Depth

7,752 ft

First Permit

1981-02-26

Latest Activity

1989-09-14

Lifespan

9 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1981-05-12

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: CHAMPLIN PETROLEUM CO. ≠ Production: URBAN OIL & GAS GROUP, LLC (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: CHAMPLIN PETROLEUM CO. ≠ Permit: UNION PACIFIC RESOURCES COMPANY

Resolved via: productionURBAN OIL & GAS GROUP, 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 (3) Elevation 103 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
STRAY 51005,129 ft-5,026 ft
STRAY 5100'5,129 ft-5,026 ft
71507,131 ft-7,028 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
5,129–5,135 ftPerforated
5,945–5,965 ftPerforated
7,131–7,139 ftPerforated

Casing (7)

SizeSet DepthCement
16"221 ft230 sx
16"221 ft
10.75"1,508 ft425 sx
10.75"1,508 ft
2.875"6,951 ft200 sx
2.375"7,013 ft
5.5"7,752 ft1,100 sx

Permit History (4)

Applications (4)

#363097 A UNION PACIFIC RESOURCES COMPANY
received 1990-01-22
#363097 A UNION PACIFIC RESOURCES COMPANY
received 1989-08-22
#237341 A CHAMPLIN PETROLEUM CO.
received 1984-04-30
#109657 A CHAMPLIN PETROLEUM CO.
received 1981-02-26

Records & Logs

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

W-2/G-1 1990-04-04 log on file
W-2/G-1 1990-04-03
W-2/G-1 1990-09-18
W-2/G-1 1984-09-28
W-2/G-1 1984-09-26
W-2/G-1 1981-05-19

+1 more 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 NUECES County.

Well Details

Well Number
1
Max Depth
7,752 ft
Drill Type
Vertical
County
NUECES
District
4
Completed
1981-05-12

Operator

Location
HOUSTON
P-5 Status
Inactive (filed 1986-12-23)
Total Permits
1,006