WELL · 42-393-31881 · DISTRICT 10
Clark #1
Roberts County · Clark Martin (Granite Wash) field · Producing · Vertical
Clark #1 (API 42-393-31881) is a well in Roberts County operated by United Oil & Shale LLC, completed September 4, 2013 and listed as producing on the RRC schedule, shut in January 1, 2012.
The RRC has issued 2 drilling permits between 2006 and 2013, permitted to 10,050 ft.
It was permitted by Forest Oil Corporation and has since transferred to United Oil & Shale LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Brown Dolomite, Douglas, Cottage Grove, Granite Wash.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Forest Oil Corporation; the EWA schedule now lists a different operator.
- Based in
- Woodward, OK
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 31, 2026
- Phone
- (806) 440-4844
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | LE Norman Operating LLCthrough Nov 2017 |
| Latest permit | Forest Oil CorporationNov 7, 2013 |
- 10,050
- total depth, ft
- 2
- permits on file
- Nov 7, 2013
- last permit issued
- Sep 4, 2013
- completed
- 0
- cumulative oil, bbl
- 136K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 4, 2013
- Shut in
- Jan 1, 2012
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (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 G-14-226802 | Clark Martin (Granite Wash) | United Oil & Shale LLC | 1 | 0 | 136K | Oct 2006 – 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.
- 1Cordillera Texas, L.P.Feb 2007 → Sep 2008
- 2Forest Oil CorporationOct 2008 → Nov 2013
- 3LE Norman Operating LLCDec 2013 → Nov 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 772941-99 | Recompletion | Forest Oil Corporation | Oct 31, 2013 | Nov 7, 2013 | — | 10,150 |
| 625733-99 | Drill | Cordillera Texas, L.P. | Sep 11, 2006 | Sep 11, 2006 | Sep 28, 2006 | 10,150 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 4, 2013 | Clark G-14-226802 | Clark Martin (Granite Wash) | United Oil & Shale LLC | Producing · shut in Jan 1, 2012 | 10,050 |
Formation tops
As filed on W-2/G-1. Subsea from 2,751 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Brown Dolomite | 3,820 | -1,069 |
| Douglas | 6,320 | -3,569 |
| Cottage Grove | 7,357 | -4,606 |
| Granite WashTOP GRANITE WASH | 8,498 | -5,747 |
| Morrow | 9,640 | -6,889 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,377 | 7,449 | Perforated |
| 7,523 | 7,626 | Perforated |
| 9,080 | 9,148 | Perforated |
| 9,196 | 9,334 | Perforated |
| 9,390 | 9,431 | Perforated |
| 9,496 | 9,570 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,853 | 12.25 | 1,080 S |
| 4.5 | 10,022 | 7.875 | 380 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 22, 2015 | Feb 10, 2015 | — |
| 00 | Oct 10, 2007 | Sep 25, 2007 | — |
| 00 | Oct 9, 2007 | Jul 20, 2007 | — |
| 00 | Jun 6, 2007 | Feb 28, 2007 | Yes |
| 00 | May 25, 2007 | — | — |
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 42-393-31881 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-393-31881 → 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/39331881, documented in the API reference.