WELL · 42-375-31780 · DISTRICT 10
Martian #212
Potter County · Cruz Creek (Brown Dolomite) field · Producing · Vertical
Martian #212 (API 42-375-31780) is a well in Potter County operated by Ldx Operating Company LLC., completed February 28, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 4, 2011, permitted to 5,000 ft.
It was permitted by Laddex, Ltd. and has since transferred to Ldx Operating Company LLC. on the wellbore schedule.
Completion filings report 6 formation tops, including Tubb, Red Cave, Brown Dolomite, Upper Krider.
Its lease has reported 96.9K barrels of oil and 449K mcf of gas since September 2010, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Laddex, Ltd.; the EWA schedule now lists a different operator.
Amarillo, TX · P-5 Y, filed Sep 4, 2025 · 4 permits on file · (806) 206-2926
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | LDX Operating Company LLC. |
| Production reports | LDX Operating Company, LLC.through Apr 2026 |
| Latest permit | Laddex, Ltd.Apr 4, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,000
- total depth, ft
- 1
- permits on file
- Apr 4, 2011
- last permit issued
- Feb 28, 2012
- completed
- 96.9K
- cumulative oil, bbl
- 449K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 28, 2012
- 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; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Martian O-14-8609 | Cruz Creek (Brown Dolomite) | LDX Operating Company, LLC. | 3 | 96.9K | 449K | Sep 2010 – Jul 2026 |
Oil, barrels lease total
Last 12 months 4,541 · prior 12 4,782(-5%)
Gas, mcf lease total
Last 12 months 1,633 · prior 12 6,915(-76%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Laddex, Ltd.Sep 2010 → Nov 2020
- 2LDX Operating Company, LLC.Dec 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 713224-99 | Drill | Laddex, Ltd. | Mar 30, 2011 | Apr 4, 2011 | May 19, 2011 | 5,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-14-8609 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,211 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Tubb | 2,510 | 701 |
| Red Cave | 2,890 | 321 |
| Brown Dolomite | 3,740 | -529 |
| Upper Krider | 3,910 | -699 |
| Lower Krider | 4,000 | -789 |
| Moore Co. Lime | 4,190 | -979 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,743 | 3,746 | Perforated |
| 3,752 | 3,755 | Perforated |
| 3,814 | 3,819 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,532 | 12.25 | 1,045 S |
| 5.5 | 4,189 | 8.75 | 225 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 | Sep 10, 2013 | Dec 27, 2012 | 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 42-375-31780 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-375-31780 → 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/37531780, documented in the API reference.