WELL · 42-009-42146 · DISTRICT 9
Medders Edwards Deep #501A
Archer County · Coleman Ranch (Ellenburger) field · Vertical
Medders Edwards Deep #501A (API 42-009-42146) is a well in Archer County operated by Cholla Petroleum Inc., completed January 11, 2011.
The RRC has issued 2 drilling permits (amended once) between 2010 and 2018, permitted to 5,999 ft.
Completion filings report 4 formation tops, including Strawn, Caddo, Marble Falls, Ellenburger.
Its 2 leases have reported 187K barrels of oil and 93.5K mcf of gas since January 2011, last reporting in July 2026. The leases carry 28 wells, so these are lease totals, not this well alone.
Operator of record
Dallas, TX · P-5 Y, filed Feb 4, 2026 · 1,085 permits on file · (800) 839-2955
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cholla Petroleum Inc. |
| Production reports | R2Q Operating LLCthrough Mar 2026 |
| Latest permit | Cholla Petroleum, Inc.Dec 19, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,999
- total depth, ft
- 3
- permits on file
- Dec 19, 2018
- last permit issued
- Jan 11, 2011
- completed
- 187K
- cumulative oil, bbl
- 93.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 11, 2011
- Shut in
- —
- Plugged
- —
Surface location
33.695259, -98.522754
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Archer County.
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 28 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Medders Edwards Deep O-13-31804 | Coleman Ranch (Ellenburger) | Cholla Petroleum, Inc. | 1 | 4.14K | 19.4K | Jan 2011 – Jul 2026 |
| Scotland Waterflood Unit O-13-33814 | Scotland (Caddo Lime) | R2Q Operating LLC | 27 | 182K | 74.1K | Oct 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 61,531 · prior 12 58,868(+5%)
Gas, mcf lease total
Last 12 months 1,753 · prior 12 2,934(-40%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cholla Petroleum, Inc.Jan 2011 → Feb 2026
- 2R2Q Operating LLCMar 2026 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 847631-99 | Recompletion | Cholla Petroleum, Inc. | Dec 7, 2018 | Dec 19, 2018 | — | 5,807 |
| 693170-98 | Drill | Cholla Petroleum, Inc. | Mar 24, 2010 | Mar 19, 2010 | Apr 1, 2010 | 5,999 |
| 693170-99 | Drill | Cholla Petroleum, Inc. | Mar 19, 2010 | Mar 19, 2010 | — | 5,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-31804 | — | — | — | — |
| — | — O-13-33814 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 981 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Strawn | 3,890 | -2,909 |
| Caddo | 5,185 | -4,204 |
| Caddo | 5,343 | -4,362 |
| Marble Falls | 5,400 | -4,419 |
| Ellenburger | 5,750 | -4,769 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,190 | 5,202 | Perforated |
| 5,208 | 5,218 | Perforated |
| 5,750 | 5,760 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 160 | 12.25 | 120 S |
| 5.5 | 5,807 | 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 | Jun 26, 2019 | Mar 7, 2019 | — |
| 00 | Jun 28, 2011 | Feb 14, 2011 | Yes |
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 42-009-42146 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-009-42146 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Scotland Waterflood Unit42-009-33585
0.7 KM · Medders Oil Company · Section with this well →
| Vogts | 4,644 | -3,671 |
| Caddo | 5,216 | -4,243 |
| Ellen | 5,800 | -4,827 |
Medders Edwards LS42-009-43157
0.9 KM · Cholla Petroleum, Inc. · Section with this well →
| Gunsight | 1,700 | |
| Strawn | — | |
| Megargel | — | |
| Delmar | — | |
| Ward Sand | — | |
| Davidson | — | |
| Cisco | — | |
| Bryson | — |
10 TOPS · FIRST 8
Lindemann Edwards42-009-43158
1.0 KM · Cholla Petroleum, Inc. · Section with this well →
| Gunsight | 1,900 | -892 |
| Cadoo | 5,245 | -4,237 |
| Conglomerate | 5,320 | -4,312 |
| Bryson | — | |
| Ward Sand | — | |
| Vogstberger | — | |
| Thomas Sand | — | |
| Strawn | — |
16 TOPS · FIRST 8
Medders Smokehouse42-009-43161
1.1 KM · Cholla Petroleum, Inc. · Section with this well →
| Gunsight | 1,700 | |
| Strawn | 3,500 | |
| Cisco | — | |
| Davidson | — | |
| Delmar | — | |
| Megargel | — | |
| Thomas Sand | — | |
| Bryson | — |
10 TOPS · FIRST 8
Medders Edwards FO42-009-43162
1.3 KM · Cholla Petroleum, Inc. · Section with this well →
| Ward Sand | — | |
| Bryson | — | |
| Canyon | — | |
| Cisco | — | |
| Davidson | — | |
| Delmar | — | |
| Gunsight | — | |
| Megargel | — |
10 TOPS · FIRST 8
Wolf Hoegger42-009-43365
5.6 KM · Wolf, Gene L.L.C. · Section with this well →
| Delmar | 1,040 | |
| Ward Sand | 1,080 | |
| Megargel | 1,400 | |
| Thomas Sand | 1,510 | |
| Gunsight | 1,750 | |
| Davidson | 1,900 | |
| Cisco | 2,190 | |
| Canyon | 3,830 |
10 TOPS · FIRST 8
Wolf Hoegger42-009-41787
5.6 KM · Wolf, Gene L.L.C. · Section with this well →
| Thomas Sand | 520 | 451 |
| Cisco | 940 | 31 |
| Gunsight | 1,010 | -39 |
| Ward Sand | 1,020 | -49 |
| Delmar | 1,030 | -59 |
| Megargel | 1,300 | -329 |
| Strawn | 1,520 | -549 |
| Davidson | 1,800 | -829 |
15 TOPS · FIRST 8
House Ranch42-009-43105
5.8 KM · LMH Energy · Section with this well →
| Thomas Sand | 1,229 | -268 |
| Gunsight | 1,362 | -401 |
| Megargel | 1,802 | -841 |
| Canyon | 1,977 | -1,016 |
| Strawn | 3,653 | -2,692 |
| Ward Sand | — | |
| Delmar | — | |
| Davidson | — |
10 TOPS · FIRST 8
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/00942146, documented in the API reference.