WELL · 42-203-31036 · DISTRICT 6
Clark Winston et AL #1
Harrison County · Blocker (Cotton Valley) field · Producing · Vertical
Clark Winston ET AL #1 (API 42-203-31036) is a well in Harrison County operated by Craton Operating LLC, completed May 11, 1983 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 22, 1983, permitted to 10,500 ft.
It was permitted by Justiss Oil Company, Inc. and has since transferred to Craton Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Base Anhydrite, Sligo, Travis Peak, Cotton Valley.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Justiss Oil Company, Inc.; the EWA schedule now lists a different operator.
Bellaire, TX · P-5 Y, filed Mar 4, 2026 · 14 permits on file · (713) 900-3456
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Craton Operating LLC |
| Production reports | Craton Operating LLCthrough Apr 2026 |
| Latest permit | Justiss Oil Company, Inc.Feb 22, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,500
- total depth, ft
- 1
- permits on file
- Feb 22, 1983
- last permit issued
- May 11, 1983
- completed
- 0
- cumulative oil, bbl
- 307K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 11, 1983
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 |
|---|---|---|---|---|---|---|
| Clark, Winston et AL G-6-109591 | Blocker (Cotton Valley) | Craton Operating LLC | 1 | 0 | 307K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 17,957 · prior 12 207(+8575%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Sonora Petroleum Corp.Jan 1993 → Aug 2010
- 2Ironwood Oil & Gas LLCJan 2012 → Jun 2014
- 3Cl&f Operating LLCJul 2014 → May 2020
- 4Craton Operating LLCJun 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 186655-99 | Drill | Justiss Oil Company, Inc. | Feb 22, 1983 | Feb 22, 1983 | Mar 1, 1983 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-109591 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 277 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Anhydrite | 5,954 | -5,677 |
| Sligo | 6,436 | -6,159 |
| Travis PeakHOSSTON | 6,960 | -6,683 |
| Cotton Valley | 8,620 | -8,343 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,034 | 10,051 | Perforated |
| 10,106 | 10,148 | Perforated |
| 10,238 | 10,284 | Perforated |
| 10,304 | 10,356 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 50 | 20 | — |
| 8.625 | 1,810 | 12.25 | 700 S |
| 4.5 | 10,446 | 7.875 | 1,195 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 | Apr 3, 1984 | Mar 9, 1984 | — |
| 00 | Mar 30, 1984 | Mar 9, 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 42-203-31036 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-203-31036 → 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/20331036, documented in the API reference.