WELL · 42-237-35003 · DISTRICT 9
Dunlap Blackjack Thicket #1
Jack County · TJN (Strawn) field · Vertical
Dunlap Blackjack Thicket #1 (API 42-237-35003) is a plugged well in Jack County, plugged November 17, 2017, last operated by Western Chief Oil & Gas Company.
The RRC has issued 2 drilling permits between 1983 and 1984, permitted to 4,999 ft.
Completion filings report 2 formation tops, including Strawn, Atoka.
Its lease has reported 8.18K barrels of oil and 148K mcf of gas since January 1993, last reporting in May 2025. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Western Chief Oil & Gas Company
Graham, TX · P-5 Inactive, filed Nov 6, 2007 · 339 permits on file · (940) 549-0417
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Western Chief Oil & Gas Company |
| Production reports | Oakridge Oil and Gas, LPthrough Feb 2021 |
| Latest permit | Western Chief Oil & Gas CompanySep 10, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,999
- total depth, ft
- 2
- permits on file
- Sep 10, 1984
- last permit issued
- Apr 1, 1983
- completed
- 8.18K
- cumulative oil, bbl
- 148K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2025
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 1, 1983
- Shut in
- —
- Plugged
- Nov 17, 2017
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Dunlap Blackjack Thicket O-13-24684 | TJN (Conglomerate) | Oakridge Oil and Gas, LP | 2 | 8.18K | 148K | Jan 1993 – May 2025 |
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.
- 1Western Chief Oil & Gas CompanyJan 1993 → Feb 2008
- 2Western Chief Operating, L.L.C.Mar 2008 → Apr 2012
- 3Oakridge Oil and Gas, LPMay 2012 → Feb 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 251320-99 | Recompletion | Western Chief Oil & Gas Company | Aug 31, 1984 | Sep 10, 1984 | — | 4,999 |
| 186446-99 | Drill | Western Chief Oil & Gas Company | Feb 18, 1983 | Feb 18, 1983 | — | 4,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-24684 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,225 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,030 | 4,056 | Perforated |
| 4,900 | 4,908 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 225 | 12.25 | 160 S |
| 2.375 | 4,038 | — | — |
| 4.5 | 4,940 | 7.875 | 270 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 16, 1984 | Sep 27, 1984 | — |
| 00 | Oct 5, 1984 | — | — |
| 00 | Jan 12, 1984 | Aug 2, 1983 | — |
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 42-237-35003 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-237-35003 → 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/23735003, documented in the API reference.