WELL · 42-317-37011 · DISTRICT 8

Holt Ranch #9

N

Martin County · Mabee (Strawn) field  · Vertical

Holt Ranch #9 (API 42-317-37011) is a well in Martin County operated by Piedra Operating LLC, completed December 3, 2011.

The RRC has issued one drilling permit (amended once), issued July 13, 2011, permitted to 12,000 ft.

Completion filings report 4 formation tops, including Clear Fork, Spraberry, Wolfcamp, Strawn.

Its 2 leases have reported 2.62M barrels of oil and 8.41M 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

Piedra Operating LLC

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 schedulePiedra Operating LLC
Production reportsOvintiv USA Inc.through Apr 2026
Latest permitPiedra Operating, LLCJul 13, 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
Jul 13, 2011
last permit issued
Dec 3, 2011
completed
2.62M
cumulative oil, bbl
8.41M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 3, 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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Holt Ranch O-10-41097Spraberry (Trend Area)Ovintiv USA Inc.452.62M8.4MApr 2011 – Jul 2026
Holt Ranch O-10-42710Mabee (Strawn)Piedra Operating, LLC16804.07KDec 2011 – Jan 2014

Gas, mcf lease total

Last 12 months 228,979 · prior 12 327,338(-30%)

020K40K60K202420252026

Oil, barrels lease total

Last 12 months 17,670 · prior 12 29,140(-39%)

05K10K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Piedra Operating, LLCApr 2011 → Mar 2014
  2. 2Athlon Holdings LPApr 2014 → Jan 2015
  3. 3Encana Oil & Gas(usa) Inc.Feb 2015 → Jan 2020
  4. 4Ovintiv USA Inc.Feb 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
719823-98DrillPiedra Operating, LLCMar 15, 2012Jul 13, 2011Sep 28, 201112,000
719823-99DrillPiedra Operating, LLCJul 7, 2011Jul 13, 2011Sep 28, 201112,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-41097————
—— O-10-42710————

Formation tops

As filed on W-2/G-1. Subsea from 2,864 ft elevation.Download CSV →

FormationMD ftSubsea
Clear ForkCLEARFORK7,860-4,996
Spraberry8,132-5,268
Wolfcamp9,885-7,021
Strawn11,018-8,154

Perforations

Perforated and open-hole intervals.

FromToType
7,92010,883Perforated
11,04811,374Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37540717.5350 S
8.6255,300111,250 S
5.511,9007.8751,200 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jan 29, 2014Jun 5, 2013Yes
00Jun 5, 2013Jan 4, 2012Yes

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.

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/31737011, documented in the API reference.