WELL · 42-237-39619 · DISTRICT 9
Cozart #4
Jack County · KRS (Marble Falls) field · Vertical
Cozart #4 (API 42-237-39619) is a well in Jack County operated by Best Petroleum Explorations Inc., completed October 30, 2012.
The RRC has issued one drilling permit, issued July 3, 2012, permitted to 6,000 ft.
Completion filings report 3 formation tops, including Strawn, Caddo, Marble Falls.
Its 2 leases have reported 10.1K barrels of oil and 88.1K mcf of gas since October 2012, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Best Petroleum Explorations Inc.
Jacksboro, TX · P-5 Y, filed Oct 4, 2025 · 251 permits on file · (940) 229-9039
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Best Petroleum Explorations Inc. |
| Production reports | Best Petroleum Explorations,inc.through Apr 2026 |
| Latest permit | Best Petroleum Explorations,inc.Jul 3, 2012 |
- 6,000
- total depth, ft
- 1
- permits on file
- Jul 3, 2012
- last permit issued
- Oct 30, 2012
- completed
- 10.1K
- cumulative oil, bbl
- 88.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 30, 2012
- 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 2 leases 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 |
|---|---|---|---|---|---|---|
| Cozart G-13-288643 | KRS (Marble Falls) | Best Petroleum Explorations,inc. | 1 | 0 | 18.8K | Feb 2020 – Jul 2026 |
| Cozart O-13-32362 | KRS (Marble Falls) | Best Petroleum Explorations,inc. | 1 | 10.1K | 69.3K | Oct 2012 – Jun 2020 |
Gas, mcf lease total
Last 12 months 3,780 · prior 12 4,070(-7%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Best Petroleum Explorations,inc.Oct 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 743470-99 | Drill | Best Petroleum Explorations,inc. | Jun 25, 2012 | Jul 3, 2012 | Oct 3, 2012 | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-288643 | — | — | — | — |
| — | — O-13-32362 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,263 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Strawn | 3,200 | -1,937 |
| Caddo | 4,500 | -3,237 |
| Marble Falls | 4,800 | -3,537 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,874 | 4,884 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 347 | 12.25 | 200 S |
| 5.5 | 4,894 | 7.875 | 225 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 | May 4, 2020 | Feb 17, 2020 | — |
| 00 | Mar 4, 2013 | Nov 30, 2012 | Yes |
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 42-237-39619 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-237-39619 → 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/23739619, documented in the API reference.