WELL · 42-317-37335 · DISTRICT 8

Porterhouse #1

Y

Martin County · Spraberry (Trend Area) field · Producing  · Vertical

Porterhouse #1 (API 42-317-37335) is a well in Martin County operated by Diamondback E&P LLC, completed December 20, 2012 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 13, 2012, permitted to 11,000 ft.

It was permitted by Lone Star Oil & Gas and has since transferred to Diamondback E&P LLC on the wellbore schedule.

Completion filings report 6 formation tops, including Spraberry, Dean, Wc Shale, Cline.

Its lease has reported 60.1K barrels of oil and 158K mcf of gas since December 2012, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Permitted by Lone Star Oil & Gas; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Nov 2025
Latest permitLone Star Oil & GasJan 13, 2012

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

11,000
total depth, ft
1
permits on file
Jan 13, 2012
last permit issued
Dec 20, 2012
completed
60.1K
cumulative oil, bbl
158K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2012 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 20, 2012
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Porterhouse O-10-43920Spraberry (Trend Area)Diamondback E&P LLC160.1K158KDec 2012 – Jul 2026

Oil, barrels lease total

Last 12 months 120 · prior 12 3,519(-97%)

05001K202420252026

Gas, mcf lease total

Last 12 months 394 · prior 12 0

0200400600202420252026

Chain of custody

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

  1. 1Lone Star Oil & GasJan 2013 → Sep 2017
  2. 2Endeavor Energy Resources L.P.Oct 2017 → Dec 2024
  3. 3Diamondback E&P LLCJan 2025 → Aug 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
727946-99DrillLone Star Oil & GasNov 9, 2011Jan 13, 2012Sep 6, 201211,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-43920————

Formation tops

As filed on W-2/G-1. Subsea from 2,516 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberryUPPER SPRABERRY6,780-4,264
SpraberryLOWER SPRABERRY7,347-4,831
Dean8,028-5,512
WC Shale8,158-5,642
Cline9,216-6,700
Strawn9,790-7,274
Mississippian10,180-7,664

Perforations

Perforated and open-hole intervals.

FromToType
7,0507,285Perforated
7,6347,830Perforated
7,9618,207Perforated
8,2738,479Perforated
8,5448,723Perforated
8,7949,026Perforated
9,2089,470Perforated
9,5619,758Perforated
9,85410,110Perforated
10,18010,410Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37529217.5350 S
8.6255,226111,205 S
5.510,5077.8751,400 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
00Feb 10, 2014Apr 18, 2013Yes

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/31737335, documented in the API reference.