42-391-31837

Final Completion

HEARD FANNIE V. W.

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

Permits

Max Depth

4,919 ft

First Permit

1985-03-07

Latest Activity

2010-09-07

Lifespan

26 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-04-24

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: DORCHESTER OPERATING COMPANY LLC ≠ Permit: CAMBRIAN MANAGEMENT, LTD.

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

H-1 Injection Active UIC #000096036 permitted 2006-02-09

Permitted Volume

10,000 bbl/d

Max Pressure

1,600 psi

Injection Interval

3,200–3,800 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

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.

Formation Tops (4) Elevation 76 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GUMBO	645 ft	-569 ft
GRETA	4,300 ft	-4,224 ft
SINTON	5,100 ft	-5,024 ft
LAROSA	5,730 ft	-5,654 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)

Interval	Type
3,680–3,800 ft	Perforated
4,342–4,352 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.375"	358 ft	420 sx
9.625"	1,411 ft	570 sx
5.5"	4,518 ft	660 sx
5.5"	4,518 ft	660 sx

Permit History (2)

#701548 Recompletion Final Completion

HEARD, FANNIE V.W. · 4,519 ft

2010-09-07

Spud 2007-03-19

#268567 Drill Final Completion

HEARD, FANNIE V. W. · 4,919 ft

1985-03-07

Spud 1985-03-18

Applications (2)

#701548 A CAMBRIAN MANAGEMENT, LTD.

received 2010-08-31

#268567 A EXXON CORP.

received 1985-02-05

Records & Logs

3 completion filings on record.

W-2/G-1 2012-08-09

W-2/G-1 1985-05-14

W-2/G-1 1985-05-25

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: 30
Max Depth: 4,919 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: DORCHESTER OPERATING COMPANY LLC
Completed: 1985-04-24

Operator

Name: DORCHESTER OPERATING COMPANY LLC
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