WELL · 42-105-37975 · DISTRICT 7
Noelke 20 #4
Crockett County · Olson field · Shut IN · Vertical
Noelke 20 #4 (API 42-105-37975) is a well in Crockett County operated by Aspen Operating Company L.L.C., completed July 28, 2023 and listed as shut in on the RRC schedule.
The RRC has issued 2 drilling permits between 1997 and 2008, permitted to 2,900 ft.
Completion filings report 5 formation tops, including Yates, Seven Rivers, Queen, Grayburg.
Its lease has reported 506K barrels of oil and 1.1K mcf of gas since July 1997, last reporting in July 2026. The lease carries 5 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.Dec 3, 2008 |
- 2,900
- total depth, ft
- 2
- permits on file
- Dec 3, 2008
- last permit issued
- Jul 28, 2023
- completed
- 506K
- cumulative oil, bbl
- 1.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 28, 2023
- 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 lease this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Noelke "20" O-9-14608 | Olson | Aspen Operating Company, L.L.C. | 5 | 506K | 1.1K | Jul 1997 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,651 · prior 12 516(+220%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil CompanyJul 1997 → Sep 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 |
|---|---|---|---|---|---|---|
| 675312-99 | Recompletion | Aspen Operating Company, L.L.C. | Nov 19, 2008 | Dec 3, 2008 | Feb 21, 2009 | 2,900 |
| 471309-99 | Drill | Marathon Oil Company | Dec 16, 1997 | Dec 16, 1997 | Jan 6, 1998 | 2,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-14608 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,721 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,285 | 1,436 |
| Yates | 1,287 | 1,434 |
| Seven Rivers7-RIVERS | 1,406 | 1,315 |
| Seven Rivers | 1,406 | 1,315 |
| Queen | 1,864 | 857 |
| Queen | 1,902 | 819 |
| Grayburg | 2,084 | 637 |
| San Andres | 2,194 | 527 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,152 | 2,166 | Perforated |
| 2,204 | 2,222 | Perforated |
| 2,240 | 2,254 | Perforated |
| 2,306 | 2,370 | Perforated |
| 2,565 | 2,900 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 755 | 11 | 225 S |
| 5.5 | 2,565 | 7.875 | 830 S |
| 5.5 | 2,577 | 7.875 | 830 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 | Aug 12, 2024 | Jun 17, 2024 | — |
| 00 | Mar 30, 2010 | Jan 4, 2010 | — |
| 00 | Jul 27, 1998 | Jul 2, 1998 | Yes |
| 00 | Jul 13, 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 42-105-37975 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-37975 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 7.83M
- bbl, all reported
- Jul 2024
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000101350 | H-1 Injection | Canceled Aug 30, 2024 | 8,500 | 1,100 | 2,250–2,900 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/10537975, documented in the API reference.