WELL · 42-131-31585 · DISTRICT 4
Hoffman #21
Duval County · Vertical
Hoffman #21 (API 42-131-31585) is a former disposal or injection well in Duval County, last operated by Cox, Edwin L. & Hamon, Jake L.; its UIC permit is no longer active.
The RRC has issued one drilling permit, issued January 17, 1978, permitted to 2,858 ft.
Completion filings report one formation top, including Hockley.
Its lease has reported 23K barrels of oil and 34 mcf of gas since January 1993, last reporting in March 2008. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
Cox, Edwin L. & Hamon, Jake L.
Corpus Chrsti, TX · P-5 Y, filed Jan 13, 1987 · 18 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | DKW Energy, Inc.through Jul 1999 |
| Latest permit | Cox, Edwin L. & Hamon, Jake L.Jan 17, 1978 |
- 2,858
- total depth, ft
- 1
- permits on file
- Jan 17, 1978
- last permit issued
- —
- completed
- 23K
- cumulative oil, bbl
- 34
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2008
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 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Hoffman O-4-1237 | Hoffman | DKW Energy, Inc. | 7 | 23K | 34 | Jan 1993 – Mar 2008 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Stinger Oil & Gas Inc.Jan 1993 → Aug 1997
- 2DKW Energy, Inc.Sep 1997 → Jul 1999
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 17135-99 | Recompletion | Cox, Edwin L. & Hamon, Jake L. | Jan 17, 1978 | Jan 17, 1978 | — | 2,858 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-1237 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 652 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Hockley | 2,270 | -1,618 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,270 | 2,370 | Perforated |
| — | 2,000 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 164 | 12.25 | 100 S |
| 4.5 | 2,857 | 7.875 | 500 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 | Oct 11, 1989 | Aug 23, 1989 | — |
| 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 42-131-31585 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-31585 → 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
- 10.9M
- bbl, all reported
- Nov 2000
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000064654 | W-14 Disposal | Plugged Nov 11, 2004 | 3,000 | 1,000 | 2,270–2,370 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/13131585, documented in the API reference.