WELL · 42-339-31011 · DISTRICT 3
Keystone Mills #47
Montgomery County · Conroe (Middle Wilcox Cons.) field · Producing · Vertical
Keystone Mills #47 (API 42-339-31011) is a well in Montgomery County operated by Highmark Energy Operating LLC, completed August 7, 2003 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits (amended once) between 2002 and 2003, permitted to 14,000 ft.
It was permitted by Exxon Mobil Corporation and has since transferred to Highmark Energy Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Yegua, Cook Mountain, Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Exxon Mobil Corporation; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Dec 4, 2025 · 23 permits on file · (903) 876-2591
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Highmark Energy Operating LLC |
| Production reports | Denbury Onshore, LLCthrough Oct 2024 |
| Latest permit | Exxon Mobil CorporationJun 19, 2003 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,000
- total depth, ft
- 3
- permits on file
- Jun 19, 2003
- last permit issued
- Aug 7, 2003
- completed
- 0
- cumulative oil, bbl
- 2.56M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2002 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 7, 2003
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Keystone Mills G-3-193632 | Conroe, S. (Wilcox 10,000) | Highmark Energy Operating, LLC | 1 | 0 | 2.56M | Sep 2002 – Jul 2026 |
Gas, mcf lease total
Last 12 months 0 · prior 12 5,657(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exxon Mobil CorporationDec 2002 → Aug 2006
- 2Wapiti Operating, LLCSep 2006 → Dec 2009
- 3Denbury Onshore, LLCJan 2010 → Oct 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 532424-99 | Recompletion | Exxon Mobil Corporation | May 28, 2003 | Jun 19, 2003 | Aug 6, 2003 | 13,750 |
| 517982-98 | Drill | Exxon Mobil Corporation | Sep 26, 2002 | Mar 1, 2002 | — | 14,000 |
| 517982-99 | Drill | Exxon Mobil Corporation | Feb 28, 2002 | Mar 1, 2002 | Apr 7, 2002 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-193632 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 153 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| YeguaYEGUA (COCKFIELD) | 4,632 | -4,479 |
| Cook Mountain | 6,202 | -6,049 |
| Wilcox | 7,904 | -7,751 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,045 | 10,055 | Perforated |
| 10,500 | 10,506 | Perforated |
| 10,634 | 10,640 | Perforated |
| 11,428 | 11,434 | Perforated |
| 11,790 | 11,800 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,611 | 17.5 | 1,400 S |
| 9.625 | 9,705 | 12.25 | 1,443 S |
| 5 | 13,705 | 8.5 | 1,350 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 23, 2003 | Sep 4, 2003 | — |
| 00 | Apr 25, 2003 | Jan 27, 2003 | Yes |
| 00 | Apr 7, 2003 | — | — |
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 42-339-31011 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-339-31011 → 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/33931011, documented in the API reference.