WELL · 42-389-31437 · DISTRICT 8
Olsen -8- #1
Reeves County · Racue (Delaware) field · Horizontal
Olsen -8- #1 (API 42-389-31437) is a plugged horizontal well in Reeves County, plugged July 21, 2012, last operated by Cimarex Energy CO. Of Colorado.
The RRC has issued 3 drilling permits between 1983 and 2010, permitted to 4,200 ft.
Completion filings report 5 formation tops, including Delaware, Ramsey, Olds, Cherry Canyon.
Its 2 leases have reported 12.6K barrels of oil and 65K mcf of gas since January 1993, last reporting in October 2012. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Cimarex Energy Co. of Colorado
Midland, TX · P-5 Y, filed Feb 4, 2026 · 476 permits on file · (800) 969-4789
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cimarex Energy Co. of Colorado |
| Production reports | Cimarex Energy Co. of Coloradothrough May 2011 |
| Latest permit | Cimarex Energy Co. of ColoradoJun 22, 2010 |
- 4,200
- total depth, ft
- 3
- permits on file
- Jun 22, 2010
- last permit issued
- May 22, 1984
- completed
- 12.6K
- cumulative oil, bbl
- 65K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 22, 1984
- Shut in
- —
- Plugged
- Jul 21, 2012
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 |
|---|---|---|---|---|---|---|
| Olsen -8- O-10-29559 | Racue (Delaware) | Cimarex Energy Co. of Colorado | 1 | 12.6K | 65K | Jan 1993 – Oct 2012 |
| Olsen -8- O-10-40996 | Racue (Cherry Canyon) | Cimarex Energy Co. of Colorado | 1 | 0 | 0 | Dec 2010 – Oct 2012 |
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.
- 1Conoco Inc.Jan 1993 → Mar 1993
- 2Merit Energy CompanyApr 1993 → Jul 1996
- 3Vista Resources, Inc. (A)Aug 1996 → Feb 2000
- 4Prize Operating CompanyMar 2000 → Mar 2002
- 5Gruy Petroleum Management Co.Apr 2002 → Apr 2006
- 6Cimarex Energy Co. of ColoradoMay 2006 → Mar 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 697858-99 | Recompletion | Cimarex Energy Co. of Colorado | Jun 18, 2010 | Jun 22, 2010 | Sep 18, 2010 | 3,950 |
| 237095-99 | Recompletion | Conoco Inc. | Apr 27, 1984 | Apr 30, 1984 | May 4, 1984 | 4,100 |
| 217738-99 | Drill | Conoco Inc. | Oct 14, 1983 | Oct 19, 1983 | Nov 7, 1983 | 4,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-29559 | — | — | — | — |
| — | — O-10-40996 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,892 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Delaware | 2,648 | 244 |
| Delaware | 2,649 | 243 |
| Ramsey | 2,686 | 206 |
| Olds | 2,710 | 182 |
| Cherry Canyon | 3,598 | -706 |
| Cherry Canyon | 3,609 | -717 |
| Racue | 3,854 | -962 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,736 | 2,751 | Perforated |
| 2,879 | 2,881 | Perforated |
| 3,856 | 3,889 | Perforated |
| 3,955 | 3,981 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 657 | 12.25 | 620 S |
| 8.625 | 685 | 12.25 | 620 S |
| 5.5 | 4,100 | 7.875 | 500 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 | Dec 22, 2011 | Feb 3, 2011 | — |
| 00 | Feb 21, 1985 | Jan 11, 1985 | — |
| 00 | Feb 20, 1985 | — | — |
| 00 | Jun 19, 1984 | Jun 4, 1984 | — |
| 00 | Mar 1, 1984 | Jun 4, 1984 | — |
| 00 | Feb 22, 1984 | Jun 4, 1984 | — |
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 42-389-31437 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-31437 → 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/38931437, documented in the API reference.