WELL · 42-357-31379 · DISTRICT 10
Pearson #4109
Ochiltree County · Alpar (Hunton) field · Vertical
Pearson #4109 (API 42-357-31379) is a well in Ochiltree County operated by Alpar Resources Inc., completed April 29, 1983.
The RRC has issued 3 drilling permits between 1983 and 1999, permitted to 9,400 ft.
Completion filings report 8 formation tops, including Brn Dolo, Brown Dolomite, Kansas City, Ks City.
No lease production has been reported under this well’s leases.
Operator of record
Perryton, TX · P-5 Y, filed Oct 10, 2003 · 252 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Alpar Resources Inc. |
| Production reports | 4P Energy Texas, LLCthrough Sep 2019 |
| Latest permit | Alpar Resources, Inc.Mar 18, 1999 |
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
- Mar 18, 1999
- last permit issued
- Apr 29, 1983
- completed
- 0
- cumulative oil, bbl
- 888K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 29, 1983
- 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 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-14-172332 | Haywood (Atoka) | Unbridled Resources, LLC | 1 | 0 | 654K | Mar 1999 – Jul 2026 |
| Pearson G-14-128085 | Alpar (St. Louis) | Alpar Resources, Inc. | 1 | 0 | 234K | Jan 1993 – Oct 1999 |
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, LPJan 2004 → 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 → Sep 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 483259-99 | Recompletion | Alpar Resources, Inc. | Mar 12, 1999 | Mar 18, 1999 | Feb 23, 1999 | 8,050 |
| 347388-99 | Recompletion | Alpar Resources, Inc. | Jun 6, 1988 | Jun 7, 1988 | — | 9,224 |
| 188770-99 | Drill | Alpar Resources, Inc. | Mar 17, 1983 | Mar 17, 1983 | — | 9,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-128085 | — | — | — | — |
| — | — G-14-172332 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,047 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| BRN Dolo | 3,256 | -209 |
| Brown Dolomite | 3,256 | -209 |
| Kansas City | 6,318 | -3,271 |
| KS City | 6,318 | -3,271 |
| Atoka | 7,100 | -4,053 |
| Atoka | 7,166 | -4,119 |
| St. Louis | 8,032 | -4,985 |
| Kinderhook | 8,950 | -5,903 |
| Hunton | 9,036 | -5,989 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,100 | 7,103 | Perforated |
| 7,106 | 7,109 | Perforated |
| 7,116 | 7,120 | Perforated |
| 7,140 | 7,144 | Perforated |
| 7,166 | 7,174 | Perforated |
| 7,197 | 7,208 | Perforated |
| 8,080 | 8,358 | Perforated |
| 9,040 | 9,070 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,054 | 12.25 | 1,500 S |
| 2.875 | 8,970 | — | — |
| 5.5 | 9,224 | 7.875 | 275 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 14, 1999 | Mar 16, 1999 | Yes |
| 00 | Apr 7, 1999 | — | — |
| 00 | Sep 12, 1988 | Aug 4, 1988 | — |
| 00 | Aug 30, 1988 | — | — |
| 00 | Jan 12, 1984 | May 3, 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 42-357-31379 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-357-31379 → 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/35731379, documented in the API reference.