WELL · 42-105-35173 · DISTRICT 7
Olson Unit #612
Crockett County · Olson field · Partial Plug · Vertical
Olson Unit #612 (API 42-105-35173) is a well in Crockett County operated by Aspen Operating Company L.L.C., completed January 4, 1986 and listed as partial plug on the RRC schedule.
The RRC has issued 2 drilling permits between 1985 and 2023, permitted to 2,400 ft.
Completion filings report 11 formation tops, including Yates, Seven Rivers, Soma, Queen.
Its 2 leases have reported 2.11M barrels of oil and 31.6K mcf of gas since January 1993, last reporting in July 2026. The leases carry 113 wells, so these are lease totals, not this well alone.
Operator of record
Aspen Operating Company L.L.C.
Fort Worth, TX · P-5 Y, filed Nov 4, 2025 · 124 permits on file · (817) 455-2311
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Aspen Operating Company L.L.C. |
| Production reports | Aspen Operating Company, L.L.C.through Apr 2026 |
| Latest permit | Aspen Operating Company, L.L.C.Nov 14, 2023 |
- 2,400
- total depth, ft
- 2
- permits on file
- Nov 14, 2023
- last permit issued
- Jan 4, 1986
- completed
- 2.11M
- cumulative oil, bbl
- 31.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 4, 1986
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
30.814428, -101.737390
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Crockett County.
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 113 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Noelke Livestock Co. -00- G-9-295923 | Olson (Yates) | Aspen Operating Company, L.L.C. | 1 | 0 | 31.5K | Mar 2023 – Jul 2026 |
| 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%)
Gas, mcf lease total
Last 12 months 6,521 · prior 12 9,511(-31%)
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 |
|---|---|---|---|---|---|---|
| 892255-99 | Recompletion | Aspen Operating Company, L.L.C. | Jul 19, 2023 | Nov 14, 2023 | Jan 13, 2020 | 2,400 |
| 290693-99 | Drill | Marathon Oil Company | Nov 19, 1985 | Nov 19, 1985 | — | 2,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-295923 | — | — | — | — |
| — | — O-9-4689 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,686 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,212 | 1,474 |
| Yates | 1,226 | 1,460 |
| Seven Rivers | 1,327 | 1,359 |
| Soma | 1,369 | 1,317 |
| Queen | 1,755 | 931 |
| Queen | 1,782 | 904 |
| San Andres | 2,002 | 684 |
| San Andres | 2,185 | 501 |
| Canyon | — | — |
| Devonian | — | — |
| Ellenburger | — | — |
| Leonard | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,226 | 1,232 | Perforated |
| 2,172 | 2,236 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 680 | 12.25 | 400 S |
| 5.5 | 2,410 | 7.875 | 900 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 | Nov 28, 2023 | May 15, 2023 | — |
| 00 | Jan 27, 1986 | Jan 16, 1986 | Yes |
| 00 | Jan 24, 1986 | — | — |
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 42-105-35173 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-35173 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Eagle Draw ''10''42-105-42471
0.2 KM · Avad Operating, LLC · Section with this well →
| Queen | 1,904 | 798 |
| San Andres | 2,077 | 625 |
| Wolfcamp | 5,110 | -2,408 |
| Ellenburger | — | |
| Leonard | — | |
| Strawn | — | |
| Canyon | — | |
| Devonian | — |
Shannon Estate 'M-1'42-105-35953
1.4 KM · Marathon Oil Company · Section with this well →
| Salado | 779 | 1,741 |
| Yates | 1,073 | 1,447 |
| Seven Rivers | 1,200 | 1,320 |
| Queen | 1,688 | 832 |
| San Andres | 1,900 | 620 |
| Greyburg | 1,900 | 620 |
| Wolfcamp | — | |
| Canyon | — |
12 TOPS · FIRST 8
Shannon Estate -M-1-42-105-02307
1.5 KM · Henry Petroleum Corp. · Section with this well →
| Yates | 1,214 | |
| Seven Rivers | 1,332 | |
| Queen | 1,804 | |
| San Andres | 2,124 |
Shannon Estate42-105-02313
1.5 KM · Aspen Operating Company, L.L.C. · Section with this well →
| Queen | 1,656 | 810 |
| San Andres | 1,860 | 606 |
| Leonard | — | |
| Devonian | — | |
| Wolfcamp | — | |
| Strawn | — | |
| Canyon | — | |
| Ellenburger | — |
Shannon Estate "O"42-105-35509
2.2 KM · Marathon Oil Company · Section with this well →
| Queen | 1,500 | 1,015 |
| San Andres | 2,050 | 465 |
| Wolfcamp | — | |
| Ellenburger | — | |
| Devonian | — | |
| Canyon | — | |
| Leonard | — | |
| Strawn | — |
Shannon Estate42-105-41075
2.4 KM · Aspen Operating Company, L.L.C. · Section with this well →
| Queen | 1,500 | 1,016 |
| Grayburg | 1,973 | 543 |
| San Andres | 2,035 | 481 |
| Strawn | — | |
| Wolfcamp | — | |
| Leonard | — | |
| Ellenburger | — | |
| Canyon | — |
9 TOPS · FIRST 8
Shannon Estate42-105-41060
2.4 KM · Aspen Operating Company, L.L.C. · Section with this well →
| Yates | 1,258 | 1,252 |
| Seven Rivers | 1,379 | 1,131 |
| Queen | 1,854 | 656 |
| San Andres | 2,016 | 494 |
| Leonard | 3,100 | -590 |
Shannon Hospital 142-105-42467
2.8 KM · Eastland Oil Company, The · Section with this well →
| Rustler | 658 | |
| Yates | 1,115 | |
| Seven Rivers | 1,270 | |
| Queen | 1,778 | |
| Greyburg | 1,980 | |
| San Andres | 2,043 | |
| Leonard | 3,790 | |
| Wolfcamp | 5,215 |
10 TOPS · FIRST 8
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/10535173, documented in the API reference.