WELL · 42-105-37972 · DISTRICT 7
Olson Unit #1209
Crockett County · Horizontal
Olson Unit #1209 (API 42-105-37972) is a permitted horizontal well in Crockett County filed by Aspen Operating Company, L.L.C.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 1997 and 2007, permitted to 2,800 ft.
Completion filings report 4 formation tops, including Yates, Seven Rivers, Queen, San Andres.
Its lease has reported 2.11M barrels of oil and 18 mcf of gas since January 1993, last reporting in July 2026. The lease carries 112 wells, so these are lease totals, not this well alone.
Operator of record
Aspen Operating Company, L.L.C.
- Based in
- Fort Worth, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 12, 2026
- Permits on file
- 124
- Phone
- (817) 882-9063
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Aspen Operating Company, L.L.C.through Apr 2026 |
| Latest permit | Aspen Operating Company, L.L.C.Sep 26, 2007 |
- 2,800
- total depth, ft
- 2
- permits on file
- Sep 26, 2007
- last permit issued
- —
- completed
- 2.11M
- cumulative oil, bbl
- 18
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 lease this well is completed on; they carry 112 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Olson Unit O-9-4689 | Olson | Aspen Operating Company, L.L.C. | 112 | 2.11M | 18 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,191 · prior 12 1,198(-1%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil CompanyJan 1993 → Nov 1999
- 2Henry Petroleum Corp.Dec 1999 → Mar 2001
- 3Henry Petroleum LPApr 2001 → Dec 2004
- 4Aspen Operating Company, L.L.C.Jan 2005 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 646515-99 | Recompletion | Aspen Operating Company, L.L.C. | Sep 20, 2007 | Sep 26, 2007 | Oct 7, 2007 | 2,800 |
| 471306-99 | Drill | Marathon Oil Company | Dec 16, 1997 | Dec 16, 1997 | Feb 10, 1998 | 2,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-4689 | — | — | — | — |
| — | — O-9-4689 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,665 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,214 | 1,451 |
| Seven Rivers7-RIVERS | 1,332 | 1,333 |
| Seven Rivers | 1,332 | 1,333 |
| Queen | 1,804 | 861 |
| San Andres | 2,124 | 541 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,072 | 2,856 | Perforated |
| 2,162 | 2,240 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 725 | 11 | 225 S |
| 8.625 | 754 | 11 | 225 S |
| 5.5 | 2,410 | 7.875 | 875 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 9, 2008 | May 2, 2008 | Yes |
| 00 | Oct 4, 2008 | Jul 13, 1998 | Yes |
| 00 | Jul 29, 1998 | Jul 13, 1998 | Yes |
| 00 | Jul 21, 1998 | — | — |
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 42-105-37972 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-37972 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/10537972, documented in the API reference.