TEXAS · WELLS · POTTER COUNTY · MASTERSON LEASE · API 42-375-31766 · DISTRICT 08
Masterson #181R
Potter County · Panhandle (Red Cave) field · Vertical
Masterson #181R (API 42-375-31766) is a plugged well in Potter County, plugged January 3, 2014, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued one drilling permit (amended once), issued April 15, 2010, permitted to 3,490 ft.
Completion filings report 2 formation tops, including Red Cave, Panhandle Lime.
Its lease has reported 1.24K barrels of oil and 6.6K mcf of gas since September 2010, last reporting in January 2015. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,628
- Phone
- (972) 444-4001
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Sep 2012 |
| Latest permit | Pioneer Natural Res. USA, Inc.Apr 15, 2010 |
- 3,490
- total depth, ft
- 2
- permits on file
- Apr 15, 2010
- last permit issued
- Mar 15, 2011
- completed
- 1.24K
- cumulative oil, bbl
- 6.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2010 THROUGH Jan 2015
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 15, 2011
- Shut in
- —
- Plugged
- Jan 3, 2014
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Masterson O-14-8522 | Panhandle (Red Cave) | Pioneer Natural Res. USA, Inc. | 2 | 1.24K | 6.6K | Sep 2010 – Jan 2015 |
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.
- 1Pioneer Natural Res. USA, Inc.Mar 2011 → Jul 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 694052-98 | Drill | Pioneer Natural Res. USA, Inc. | Mar 18, 2011 | Apr 15, 2010 | Jun 20, 2010 | 3,490 |
| 694052-99 | Drill | Pioneer Natural Res. USA, Inc. | Apr 7, 2010 | Apr 15, 2010 | — | 3,490 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 15, 2011 | Masterson O-14-8522 | Panhandle (Red Cave) | Pioneer Natural Res. USA Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,213 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Red CaveTOP RED CAVE | 2,602 | 611 |
| Panhandle LimeTOP PANHANDLE LIME | 2,956 | 257 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,604 | 2,686 | Perforated |
| 2,720 | 2,862 | Perforated |
| 2,898 | 2,910 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 7 | 415 | 8.75 | 175 S |
| 4.5 | 3,017 | 6.25 | 387 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 | Mar 20, 2013 | Apr 19, 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 42-375-31766 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-375-31766 → 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/37531766, documented in the API reference.