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42-079-30921

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CONOCO-DEAN UNIT

COCHRAN County · District 8 · EXTEX OPERATING COMPANY · SLAUGHTER

Permits

1

Max Depth

5,200 ft

First Permit

1978-05-25

Latest Activity

1978-05-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1985-02-11

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: EXTEX OPERATING COMPANY ≠ Permit: CONTINENTAL OIL COMPANY

Resolved via: production → EXTEX OPERATING COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000054119 permitted 1987-12-04

Permitted Volume

1,000 bbl/d

Max Pressure

2,500 psi

Injection Interval

4,987–5,018 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-12-01)

Operator History

Chain of Custody

CONOCO INC. 1993-1994→ MERIT ENERGY COMPANY 1994-2000→ PERMIAN RESOURCES, INC. 2000-2003→ SHENANDOAH PETROLEUM CORPORATION 2003-2007→ LEGACY RESERVES OPERATING LP 2007-2021→ EXTEX OPERATING COMPANY 2021-2026

Lease Production

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

Oil
production & DCA →

Formation Tops (1) Elevation 3,712 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 4,985 ft-1,273 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)

IntervalType
4,987–4,997 ftPerforated
5,006–5,018 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"507 ft350 sx
5.5"5,121 ft1,800 sx

Permit History (1)

#25215 Drill Long String Casing

CONOCO-DEAN UNIT · 5,200 ft

1978-05-25

Spud 1978-09-03

Applications (1)

#25215 A CONTINENTAL OIL COMPANY
received 1978-05-25

Records & Logs

3 completion filings on record.

W-2/G-1 2002-06-14
W-2/G-1 1985-03-27
W-2/G-1 1978-10-10
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 COCHRAN County.

Well Details

Well Number
130
Max Depth
5,200 ft
Drill Type
Vertical
County
COCHRAN
District
8
Operator
EXTEX OPERATING COMPANY
Completed
1985-02-11

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-01-07)
Cum Oil (all leases)
5,887,486 bbl
Cum Gas (all leases)
10,031,045 mcf
Activities
OPRS/G, OPRS/O
Total Permits
117