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GRAY COLUMBUS ETAL

ANDREWS County · District 8 · BASIN OIL & GAS OPERATING LLC · FUHRMAN-MASCHO

Permits

1

Max Depth

4,700 ft

First Permit

1980-10-17

Latest Activity

1980-10-17

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-08-05

Shut-In

—

Plugged

—

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: BASIN OIL & GAS OPERATING LLC ≠ Permit: CHEVRON U. S. A. INC.

Resolved via: production → BASIN OIL & GAS 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 (7) Elevation 3,178 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 4,046 ft-868 ft
SAN ANDRES 4,218 ft-1,040 ft
GRAYBURG ——
QUEEN ——
RUSTLER ——
SEVEN RIVERS ——
YATES ——

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 (4)

IntervalType
4,264–4,358 ftPerforated
4,264–4,447 ftPerforated
4,397–4,447 ftPerforated
4,472–4,514 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"353 ft225 sx
2.875"4,492 ft—
5.5"4,548 ft1,000 sx

Permit History (1)

Applications (1)

#95873 A CHEVRON U. S. A. INC.
received 1980-10-17

Records & Logs

5 completion filings on record.

W-2/G-1 2019-09-10
W-2/G-1 2016-09-08
W-2/G-1 2015-09-14
W-2/G-1 2002-09-30
W-2/G-1 1981-04-24
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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in ANDREWS County.

Well Details

Well Number
21-18
Max Depth
4,700 ft
Drill Type
Vertical
County
ANDREWS
District
8
Completed
2019-08-05

Operator

Location
FORT WORTH
P-5 Status
X (filed 2026-05-21)
Cum Oil (all leases)
5,341,244 bbl
Cum Gas (all leases)
4,651,280 mcf
Activities
OPRS/G, OPRS/O
Total Permits
145