WELL · 42-391-31167 · DISTRICT 2

Fannie V.W. Heard #25

Fannie V.W. Heard #25 (API 42-391-31167) is a permitted well in Refugio County filed by Cambrian Management, Ltd.; no completion report is on file yet.

The RRC has issued 2 drilling permits between 1977 and 2009, permitted to 4,900 ft.

Its lease has reported 887K barrels of oil and 965K mcf of gas since January 1993, last reporting in July 2026. The lease carries 11 wells, so these are lease totals, not this well alone.

Operator of record

Cambrian Management, Ltd.

Based in: McCaulley, TX
P-5 status: Active (A)
P-5 last filed: Jul 16, 2026
Permits on file: 107
Phone: (432) 664-7052

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Dorchester Operating Company LLCthrough Apr 2026
Latest permit	Cambrian Management, Ltd.Nov 20, 2009

4,900: total depth, ft
2: permits on file
Nov 20, 2009: last permit issued
—: completed
887K: cumulative oil, bbl
965K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: —
Shut in: —
Plugged: —

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 11 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Heard, Fannie V. W. O-2-3977	Greta (4400)	Dorchester Operating Company LLC	11	887K	965K	Jan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 9,613 · prior 12 11,162(-14%)

Chain of custody

Every operator that reported production on this well's lease, in order.

1Exxon Corp.Jan 1993 → Mar 2000
2Exxon Mobil CorporationApr 2000 → Oct 2001
3Primrose Operating CompanyNov 2001 → Mar 2007
4Cambrian Management LtdApr 2007 → Sep 2007
5Cambrian Management, Ltd.Oct 2007 → Oct 2010
6Acock/Anaqua Operating Co., LPNov 2010 → Nov 2020
7Dorchester Operating Company LLCDec 2020 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
687410-99	Recompletion	Cambrian Management, Ltd.	Nov 13, 2009	Nov 20, 2009	—	4,490
7885-99	Drill	Exxon Corp.	Sep 12, 1977	Sep 12, 1977	Nov 15, 1977	4,900

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-2-3977	—	—	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
4,352	4,356	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	334	17	383 S
8.625	1,389	12.25	623 S
5.5	4,489	7.875	700 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Jan 12, 1984	Jan 9, 1978	—

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Wellbore filings for 42-391-31167 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-391-31167 → scanned completion filings

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/39131167, documented in the API reference.