WELL · 42-357-31397 · DISTRICT 10
Pearson -109- #5109
Ochiltree County · Alpar (Morrow Upper) field · Vertical
Pearson -109- #5109 (API 42-357-31397) is a well in Ochiltree County operated by Latigo Petroleum Texas LP, completed February 20, 2001.
The RRC has issued 3 drilling permits between 1983 and 2005, permitted to 9,400 ft.
Completion filings report 8 formation tops, including Brn Dolo, Kansas City, Ks City, Marm.
Its 3 leases have reported 168K barrels of oil and 172K mcf of gas since January 1993, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Sep 4, 2025 · 527 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Latigo Petroleum Texas LP |
| Production reports | Unbridled Resources, LLCthrough Dec 2022 |
| Latest permit | Latigo Petroleum Texas, LPFeb 23, 2005 |
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
- 3
- permits on file
- Feb 23, 2005
- last permit issued
- Feb 20, 2001
- completed
- 168K
- cumulative oil, bbl
- 172K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 20, 2001
- 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 3 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pearson O-14-7570 | Alpar (Hunton) | Unbridled Resources, LLC | 1 | 121K | 62.6K | Dec 2004 – Jul 2026 |
| Pearson -109- G-14-182380 | Alpar (Morrow Upper) | Latigo Petroleum Texas, LP | 1 | 0 | 93.5K | Feb 2001 – Jul 2005 |
| Pearson O-14-5356 | Alpar (Hunton) | Alpar Resources, Inc. | 2 | 46.9K | 16.3K | Jan 1993 – Jun 2002 |
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 → May 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.Jul 2015 → Dec 2015
- 74P Energy Texas, LLCJan 2016 → Oct 2020
- 8Unbridled Resources, LLCNov 2020 → Dec 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 556869-99 | Recompletion | Latigo Petroleum Texas, LP | Jan 27, 2005 | Feb 23, 2005 | Nov 1, 2004 | 9,255 |
| 507297-99 | Recompletion | Alpar Resources, Inc. | Apr 2, 2001 | Apr 5, 2001 | Feb 4, 2001 | 9,255 |
| 192962-99 | Drill | Alpar Resources, Inc. | Apr 28, 1983 | Apr 28, 1983 | — | 9,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-182380 | — | — | — | — |
| — | — O-14-5356 | — | — | — | — |
| — | — O-14-7570 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,050 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| BRN Dolo | 3,268 | -218 |
| Kansas City | 6,314 | -3,264 |
| KS City | 6,314 | -3,264 |
| Marm | 6,694 | -3,644 |
| Marmaton | 6,694 | -3,644 |
| Mor | 7,336 | -4,286 |
| St. Louis | 8,080 | -5,030 |
| Hunton | 9,080 | -6,030 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,424 | 7,444 | Perforated |
| 9,081 | 9,091 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,066 | 12.25 | 1,500 S |
| 2.875 | 8,928 | — | — |
| 5.5 | 9,239 | 7.875 | 450 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 | Sep 7, 2005 | Jan 24, 2005 | — |
| 00 | Jul 7, 2005 | — | — |
| 00 | Jul 5, 2001 | Mar 20, 2001 | Yes |
| 00 | May 23, 2001 | — | — |
| 00 | Jan 12, 1984 | Jun 2, 1983 | — |
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 42-357-31397 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-357-31397 → 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/35731397, documented in the API reference.