WELL · 42-391-00879 · DISTRICT 2
Heard J. F. B. #20
Refugio County · Greta (4400) field · Vertical
Heard J. F. B. #20 (API 42-391-00879) is a plugged well in Refugio County, plugged August 14, 2008, last operated by Dorchester Operating Company LLC.
The RRC has issued one drilling permit, issued August 30, 1977, permitted to 4,404 ft.
It was permitted by Exxon Corp. and has since transferred to Dorchester Operating Company LLC on the wellbore schedule.
Completion filings report one formation top, including Catahoula.
Its lease has reported 869K barrels of oil and 1.83M mcf of gas since January 1993, last reporting in July 2026. The lease carries 17 wells, so these are lease totals, not this well alone.
Operator of record
Dorchester Operating Company LLC
Permitted by Exxon Corp.; the EWA schedule now lists a different operator.
Refugio, TX · P-5 Y, filed Jul 4, 2026 · (361) 816-6461
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Dorchester Operating Company LLC |
| Production reports | Dorchester Operating Company LLCthrough Apr 2026 |
| Latest permit | Exxon Corp.Aug 30, 1977 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,404
- total depth, ft
- 1
- permits on file
- Aug 30, 1977
- last permit issued
- Sep 8, 1995
- completed
- 869K
- cumulative oil, bbl
- 1.83M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 8, 1995
- Shut in
- —
- Plugged
- Aug 14, 2008
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 17 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Heard, J. F. B. O-2-3978 | Greta (4400) | Dorchester Operating Company LLC | 17 | 869K | 1.83M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 13,625 · prior 12 15,086(-10%)
Gas, mcf lease total
Last 12 months 10,591 · prior 12 8,926(+19%)
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 |
|---|---|---|---|---|---|---|
| 6508-99 | Other | Exxon Corp. | Aug 30, 1977 | Aug 30, 1977 | Feb 2, 1977 | 4,404 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-3978 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 63 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CatahoulaCATAHOULA SAND | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,700 | 3,790 | Perforated |
| — | 4,400 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,239 | — | 550 S |
| 7 | 4,439 | — | 600 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 | Nov 12, 1996 | May 10, 1996 | — |
| 00 | Jan 12, 1984 | Aug 26, 1977 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-391-00879 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-00879 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 23.4M
- bbl, all reported
- Oct 2008
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000001653 | W-14 Disposal | Plugged Aug 29, 2008 | 8,000 | 1,500 | 3,510–3,800 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 15,810(-100%)
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/39100879, documented in the API reference.