WELL · 42-105-02211 · DISTRICT 7

Olson Unit #301

N

Crockett County  · Vertical

Olson Unit #301 (API 42-105-02211) is a permitted 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 1999 and 2010, permitted to 5,700 ft.

Completion filings report 2 formation tops, including Yates, 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.

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 schedulenone
Production reportsAspen Operating Company, L.L.C.through Apr 2026
Latest permitAspen Operating Company, L.L.C.Jan 12, 2010
5,700
total depth, ft
2
permits on file
Jan 12, 2010
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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Olson Unit O-9-4689OlsonAspen Operating Company, L.L.C.1122.11M18Jan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 1,191 · prior 12 1,198(-1%)

0200400600202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Marathon Oil CompanyJan 1993 → Nov 1999
  2. 2Henry Petroleum Corp.Dec 1999 → Mar 2001
  3. 3Henry Petroleum LPApr 2001 → Dec 2004
  4. 4Aspen Operating Company, L.L.C.Jan 2005 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
688148-99ReenterAspen Operating Company, L.L.C.Dec 2, 2009Jan 12, 2010Jan 23, 20103,000
482613-99ReenterMarathon Oil CompanyFeb 10, 1999Feb 10, 1999May 20, 19995,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-4689————
—— O-9-4689————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Yates1,214
San Andres2,210

Perforations

Perforated and open-hole intervals.

FromToType
2,1872,283Perforated
2,2202,240Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62565011100 S
8.625650—100 S
5.52,1878130 S
5.52,187—130 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Sep 26, 2024Aug 27, 2024—
00Dec 27, 2013Apr 1, 2013Yes
00Jan 12, 1984Apr 29, 1976—

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.

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/10502211, documented in the API reference.