WELL · 42-009-40421 · DISTRICT 9
Heard-Kunkel Unit #1
Archer County · Vertical
Heard-Kunkel Unit #1 (API 42-009-40421) is a plugged well in Archer County, plugged February 14, 1991, last operated by Denoco Inc..
The RRC has issued 2 drilling permits (amended once) between 1991 and 1999, permitted to 5,200 ft.
Completion filings report 5 formation tops, including Gunsight, Palo Pinto, Caddo, Barnett.
Its lease has reported 1.6K barrels of oil and 69 mcf of gas since November 1999, last reporting in July 2026.
Operator of record
Plano, TX · P-5 Y, filed Apr 6, 2012 · 34 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Mistex, Inc.through Feb 2009 |
| Latest permit | Denoco Inc.Aug 30, 1999 |
- 5,200
- total depth, ft
- 3
- permits on file
- Aug 30, 1999
- last permit issued
- —
- completed
- 1.6K
- cumulative oil, bbl
- 69
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 1999 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- Feb 14, 1991
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Heard-Kunkel Unit O-13-29711 | Revelation (Miss.) | Mistex, Inc. | 1 | 1.6K | 69 | Nov 1999 – Jul 2026 |
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.
- 1Knobloch, AlbertNov 1999 → Apr 2000
- 2Denoco Inc.May 2000 → Apr 2006
- 3Scheriger ProductionJun 2006 → Jun 2006
- 4Mistex, Inc.Sep 2006 → Feb 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 486873-98 | Reenter | Denoco Inc. | Nov 8, 1999 | Aug 30, 1999 | Oct 27, 1999 | 5,183 |
| 486873-99 | Reenter | Denoco Inc. | Aug 23, 1999 | Aug 30, 1999 | — | 5,130 |
| 384189-99 | Drill | Ada Exploration | Feb 4, 1991 | Feb 15, 1991 | Feb 6, 1991 | 5,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-29711 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,289 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| GunsightGUNSIGHT LIMESTONE | 1,404 | -115 |
| GunsightGUNSIGHT SANDSTONE | 1,450 | -161 |
| Palo PintoPALO PINTO LIMESTONE | 3,100 | -1,811 |
| CaddoCADDO LIMESTONE | 4,656 | -3,367 |
| BarnettBARNETT SHALE | 5,030 | -3,741 |
| MississippianMISSISSIPPIAN LIMESTONE | 5,078 | -3,789 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,080 | 5,088 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 116 | 12.25 | 90 S |
| 5.5 | 5,183 | 7.875 | 200 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 27, 2000 | Dec 1, 1999 | — |
| 00 | Jan 4, 2000 | — | — |
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 42-009-40421 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-009-40421 → 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/00940421, documented in the API reference.