← Wells

42-391-00879

Final Completion

HEARD J. F. B.

REFUGIO County · District 2 · DORCHESTER OPERATING COMPANY LLC · GRETA (4400)

Permits

1

Max Depth

4,404 ft

First Permit

1977-08-30

Latest Activity

1977-08-30

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1995-09-08

Shut-In

—

Plugged

2008-08-14

!

EWA / Permit operator mismatch

Scheduling: DORCHESTER OPERATING COMPANY LLC ≠ Permit: EXXON CORP.

Resolved via: production → DORCHESTER OPERATING COMPANY LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

W-14 Disposal Plugged 2008-08-29 UIC #000001653 permitted 1994-02-24

Permitted Volume

8,000 bbl/d

Max Pressure

1,500 psi

Injection Interval

3,510–3,800 ft

Injected (12mo)

—

Operator History

Chain of Custody

EXXON CORP. 1993-2000→ EXXON MOBIL CORPORATION 2000-2001→ PRIMROSE OPERATING COMPANY 2001-2007→ CAMBRIAN MANAGEMENT LTD 2007-2007→ CAMBRIAN MANAGEMENT, LTD. 2007-2010→ ACOCK/ANAQUA OPERATING CO., LP 2010-2020→ DORCHESTER OPERATING COMPANY LLC 2020-2026

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 63 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA SAND (Catahoula)——

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
3,700–3,790 ftPerforated
?–4,400 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"1,239 ft550 sx
7"4,439 ft600 sx

Permit History (1)

#6508 Other Final Completion

HEARD, J. F. B. · 4,404 ft

1977-08-30

Spud 1977-02-02

Applications (1)

#6508 A EXXON CORP.
received 1977-08-30

Records & Logs

3 completion filings on record.

W-2/G-1 1996-05-10
W-2/G-1 1977-08-26
W-2/G-1 1984-01-12
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 REFUGIO County.

Well Details

Well Number
20
Max Depth
4,404 ft
Drill Type
Vertical
County
REFUGIO
District
2
Operator
DORCHESTER OPERATING COMPANY LLC
Completed
1995-09-08

Operator

Location
REFUGIO
P-5 Status
Active (filed 2025-08-28)
Cum Oil (all leases)
207,431 bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/G, OPRS/O