WELL · 42-393-31093 · DISTRICT 10
Mills #2B
Roberts County · Cree-Flowers (Douglas) field · Vertical
Mills #2B (API 42-393-31093) is a plugged well in Roberts County, plugged March 11, 2010, last operated by Cimarex Energy CO. Of Colorado.
The RRC has issued one drilling permit, issued September 25, 1986, permitted to 6,100 ft.
It was permitted by Wallace Oil & Gas, Inc. and has since transferred to Cimarex Energy CO. Of Colorado on the wellbore schedule.
Completion filings report 6 formation tops, including Brown Dolomite, White Dolomite, Council Grove, Douglas.
Operator of record
Cimarex Energy Co. of Colorado
Permitted by Wallace Oil & Gas, Inc.; the EWA schedule now lists a different operator.
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 Jan 2009 |
| Latest permit | Wallace Oil & Gas, Inc.Sep 25, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,100
- total depth, ft
- 1
- permits on file
- Sep 25, 1986
- last permit issued
- Dec 15, 1986
- completed
- 0
- cumulative oil, bbl
- 375K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 15, 1986
- Shut in
- —
- Plugged
- Mar 11, 2010
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mills G-14-123559 | Cree-Flowers (Douglas) | Cimarex Energy Co. of Colorado | 1 | 0 | 375K | Jan 1993 – Mar 2010 |
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.
- 1Wallace Oil & Gas, Inc.Jan 1993 → Sep 1995
- 2Parker & Parsley Development L.POct 1995 → Aug 1997
- 3Pioneer Natural Res. USA, Inc.Sep 1997 → Jun 1999
- 4Prize Operating CompanyJul 1999 → Mar 2002
- 5Gruy Petroleum Management Co.Apr 2002 → Apr 2006
- 6Cimarex Energy Co. of ColoradoMay 2006 → Jan 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 320768-99 | Drill | Wallace Oil & Gas, Inc. | Sep 18, 1986 | Sep 25, 1986 | — | 6,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-123559 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,674 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Brown Dolomite | 3,816 | -1,142 |
| White Dolomite | 3,872 | -1,198 |
| Council Grove | 4,165 | -1,491 |
| DouglasDOUGLAS "A" | 5,850 | -3,176 |
| Dougals "B" | 5,877 | -3,203 |
| Hebner | 5,918 | -3,244 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,851 | 5,875 | Perforated |
| 5,880 | 5,895 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,628 | 12.25 | 915 S |
| 5.5 | 6,142 | 7.875 | 275 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 | Apr 20, 1987 | Dec 31, 1986 | Yes |
| 00 | Mar 31, 1987 | — | — |
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 42-393-31093 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-393-31093 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/39331093, documented in the API reference.