WELL · 42-317-36668 · DISTRICT 8
Holt Ranch #4
Martin County · Mabee (Strawn) field · Vertical
Holt Ranch #4 (API 42-317-36668) is a well in Martin County operated by Piedra Operating LLC, completed August 7, 2011.
The RRC has issued one drilling permit (amended once), issued March 3, 2011, permitted to 12,000 ft.
Completion filings report 7 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.
Its 2 leases have reported 2.62M barrels of oil and 8.42M mcf of gas since April 2011, last reporting in July 2026. The leases carry 46 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Denver, CO
- P-5 status
- Active (A)
- P-5 last filed
- Mar 18, 2026
- Permits on file
- 279
- Phone
- (720) 876-5176
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Piedra Operating LLC |
| Production reports | Ovintiv USA Inc.through Apr 2026 |
| Latest permit | Piedra Operating, LLCMar 3, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 2
- permits on file
- Mar 3, 2011
- last permit issued
- Aug 7, 2011
- completed
- 2.62M
- cumulative oil, bbl
- 8.42M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 7, 2011
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 46 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Holt Ranch O-10-41097 | Spraberry (Trend Area) | Ovintiv USA Inc. | 45 | 2.62M | 8.4M | Apr 2011 – Jul 2026 |
| Holt Ranch O-10-41540 | Mabee (Strawn) | Piedra Operating, LLC | 1 | 2.29K | 10.2K | Aug 2011 – Jul 2012 |
Gas, mcf lease total
Last 12 months 228,979 · prior 12 327,338(-30%)
Oil, barrels lease total
Last 12 months 17,670 · prior 12 29,140(-39%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Piedra Operating, LLCApr 2011 → Mar 2014
- 2Athlon Holdings LPApr 2014 → Jan 2015
- 3Encana Oil & Gas(usa) Inc.Feb 2015 → Jan 2020
- 4Ovintiv USA Inc.Feb 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 710695-98 | Drill | Piedra Operating, LLC | Oct 10, 2011 | Mar 3, 2011 | Jun 13, 2011 | 12,000 |
| 710695-99 | Drill | Piedra Operating, LLC | Feb 21, 2011 | Mar 3, 2011 | Jun 13, 2011 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-41097 | — | — | — | — |
| — | — O-10-41540 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,877 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,156 | 11,045 | Perforated |
| 11,125 | 11,844 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 423 | 17.5 | 350 S |
| 8.625 | 5,306 | 11 | 1,300 S |
| 5.5 | 11,998 | 7.875 | 1,200 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 | Jul 31, 2012 | Jan 4, 2012 | Yes |
| 00 | Jun 18, 2012 | Sep 8, 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 42-317-36668 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-36668 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/31736668, documented in the API reference.