WELL · 42-207-32819 · DISTRICT 7
Ulmer Unit #1
Haskell County · Primero (Smithwick Shale) field · Vertical
Ulmer Unit #1 (API 42-207-32819) is a plugged well in Haskell County, plugged October 16, 2019, last operated by Cholla Petroleum Inc..
The RRC has issued 3 drilling permits (amended once) between 2014 and 2017, permitted to 5,999 ft.
Completion filings report 11 formation tops, including Coleman Junction, King Sand - Disposal, Swastika - Disposal, Gunsight.
Its 3 leases have reported 6.22K barrels of oil since September 2014, last reporting in March 2020. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 23, 2026
- Permits on file
- 1,085
- Phone
- (214) 692-7052
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cholla Petroleum Inc. |
| Production reports | Cholla Petroleum, Inc.through Oct 2019 |
| Latest permit | Cholla Petroleum, Inc.Apr 10, 2017 |
- 5,999
- total depth, ft
- 4
- permits on file
- Apr 10, 2017
- last permit issued
- Sep 24, 2014
- completed
- 6.22K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2014 THROUGH Mar 2020
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 24, 2014
- Shut in
- —
- Plugged
- Oct 16, 2019
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ulmer Unit O-8-32125 | Werewolf (4900) | Cholla Petroleum, Inc. | 1 | 5.55K | 0 | Jan 2017 – Mar 2020 |
| Ulmer Unit O-8-31788 | Primero (Smithwick Shale) | Cholla Petroleum, Inc. | 1 | 662 | 0 | Sep 2014 – Nov 2017 |
| Ulmer Unit O-8-31695 | Wildcat | Cholla Petroleum, Inc. | 1 | 0 | 0 | Sep 2014 – Jun 2015 |
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.
- 1Cholla Petroleum, Inc.Nov 2014 → Oct 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 824612-99 | Recompletion | Cholla Petroleum, Inc. | Mar 20, 2017 | Apr 10, 2017 | Jan 26, 2017 | 5,865 |
| 805113-99 | Recompletion | Cholla Petroleum, Inc. | Mar 30, 2015 | Mar 31, 2015 | May 6, 2014 | 5,865 |
| 778328-98 | Drill | Cholla Petroleum, Inc. | Sep 10, 2014 | Feb 16, 2014 | May 6, 2014 | 5,999 |
| 778328-99 | Drill | Cholla Petroleum, Inc. | Jan 28, 2014 | Feb 16, 2014 | — | 5,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-31695 | — | — | — | — |
| — | — O-8-31788 | — | — | — | — |
| — | — O-8-32125 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,626 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Coleman Junction | 2,057 | -431 |
| King Sand - Disposal | 2,872 | -1,246 |
| Swastika - Disposal | 2,970 | -1,344 |
| GunsightGUNSIGHT LIME - DISPOSAL | 3,072 | -1,446 |
| CiscoCISCO SAND - DISPOSAL | 3,162 | -1,536 |
| CanyonCANYON - DISPOSAL | — | — |
| Cook Sand - Disposal | — | — |
| Home Creek Lime - Disposal | — | — |
| Palo PintoPALO PINTO - DISPOSAL | — | — |
| TannehillTANNEHILL SAND - DISPOSAL | — | — |
| Unidentified-County Regular - DI | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,916 | 4,923 | Perforated |
| 5,548 | 5,552 | Perforated |
| 5,812 | 5,816 | Perforated |
| 5,828 | 5,836 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 156 | 12.25 | 125 S |
| 5.5 | 5,863 | 7.875 | 350 S |
| 5.5 | — | 7.875 | 150 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 24, 2017 | Apr 21, 2017 | — |
| 00 | May 12, 2015 | Mar 2, 2015 | Yes |
| 00 | Jan 27, 2015 | Oct 17, 2014 | 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 42-207-32819 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-207-32819 → 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/20732819, documented in the API reference.