WELL · 42-357-31521 · DISTRICT 10
Pearson #7109
Ochiltree County · Alpar (Morrow Upper) field · SWR-10-Well · Vertical
Pearson #7109 (API 42-357-31521) is a well in Ochiltree County operated by Unbridled Resources LLC, completed March 3, 2006 and listed as swr-10-well on the RRC schedule.
The RRC has issued 2 drilling permits between 1984 and 2007, permitted to 9,400 ft.
It was permitted by Latigo Petroleum Texas, LP and has since transferred to Unbridled Resources LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Brown Dolomite, Kansas City, Atoka, St. Louis.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Latigo Petroleum Texas, LP; the EWA schedule now lists a different operator.
Oklahoma City, OK · P-5 Y, filed Sep 4, 2025 · 6 permits on file · (844) 507-5540
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unbridled Resources LLC |
| Production reports | 4P Energy Texas, LLCthrough Mar 2016 |
| Latest permit | Latigo Petroleum Texas, LPJun 18, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,400
- total depth, ft
- 2
- permits on file
- Jun 18, 2007
- last permit issued
- Mar 3, 2006
- completed
- 0
- cumulative oil, bbl
- 671K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 3, 2006
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Pearson G-14-112442 | Haywood (Atoka) | Unbridled Resources, LLC | 1 | 0 | 671K | Jan 1993 – Jul 2026 |
| Pearson G-14-228807 | Alpar (Morrow Upper) | Unbridled Resources, LLC | 1 | 0 | 0 | Mar 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.
- 1Alpar Resources, Inc.Jan 1993 → Nov 2003
- 2Latigo Petroleum Texas, LPDec 2003 → Feb 2009
- 3Latigo Petroleum, Inc.Mar 2009 → Aug 2011
- 4Plains Exploration & Prod. Co.Sep 2011 → Mar 2012
- 5Linn Operating, Inc.Apr 2012 → Dec 2014
- 6Enervest Operating, L.L.C.Jan 2015 → Dec 2015
- 74P Energy Texas, LLCJan 2016 → Mar 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 640460-99 | Recompletion | Latigo Petroleum Texas, LP | Jun 8, 2007 | Jun 18, 2007 | Mar 1, 2006 | 9,400 |
| 230982-99 | Drill | Alpar Resources, Inc. | Aug 20, 1984 | Mar 1, 1984 | — | 9,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-112442 | — | — | — | — |
| — | — G-14-228807 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,045 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Brown Dolomite | 3,290 | -245 |
| Kansas City | 6,316 | -3,271 |
| Atoka | 7,192 | -4,147 |
| St. Louis | 8,116 | -5,071 |
| Hunton | 9,140 | -6,095 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,216 | 7,224 | Perforated |
| 7,436 | 7,460 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,015 | 12.25 | 1,325 S |
| 8.625 | 2,105 | 12.25 | 1,325 S |
| 5.5 | 9,277 | 7.875 | 500 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 | Oct 1, 2007 | Jul 25, 2007 | — |
| 00 | Aug 21, 2007 | Jul 23, 2007 | — |
| 00 | Aug 9, 2007 | — | — |
| 00 | Nov 12, 1984 | Jul 11, 1984 | — |
| 00 | Sep 19, 1984 | May 30, 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 42-357-31521 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-357-31521 → 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/35731521, documented in the API reference.