TEXAS · WELLS · MARTIN COUNTY · O'NEIL "4" LEASE · API 42-317-39047 · DISTRICT 7B

O Neil 4 #4

Plugged

Martin County · Spraberry (Trend Area) field  · Vertical

O Neil 4 #4 (API 42-317-39047) is a plugged well in Martin County, plugged May 19, 2025, last operated by Ovintiv USA Inc..

The RRC has issued one drilling permit, issued November 15, 2013, permitted to 11,371 ft.

It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Ovintiv USA Inc. on the wellbore schedule.

Completion filings report 10 formation tops, including Yates, Grayburg, San Andres, Spraberry.

Its lease has reported 202K barrels of oil and 99.5K mcf of gas since March 2011, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

Operator of record

Ovintiv USA Inc.

Permitted by Pioneer Natural Res. USA, Inc.; the EWA schedule now lists a different operator.

Based in
Denver, CO
P-5 status
Active (A)
P-5 last filed
Dec 12, 2025
Permits on file
1,390
Phone
(720) 876-5176

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleOvintiv USA Inc.
Production reportsOvintiv USA Inc.through Apr 2026
Latest permitPioneer Natural Res. USA, Inc.Nov 15, 2013

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

11,371
total depth, ft
1
permits on file
Nov 15, 2013
last permit issued
Mar 11, 2014
completed
202K
cumulative oil, bbl
99.5K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 11, 2014
Shut in
—
Plugged
May 19, 2025

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 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
O'Neil "4" O-10-41075Spraberry (Trend Area)Ovintiv USA Inc.4202K99.5KMar 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 834 · prior 12 4,639(-82%)

05001K202420252026

Chain of custody

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

  1. 1Pioneer Natural Res. USA, Inc.Mar 2011 → May 2017
  2. 2Petrolegacy Energy II, LLCJun 2017 → May 2023
  3. 3Ovintiv USA Inc.Jun 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
773217-99DrillPioneer Natural Res. USA, Inc.Nov 5, 2013Nov 15, 2013Jan 30, 201411,371

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 11, 2014O Neil 4 O-10-41075Spraberry (Trend Area)Ovintiv USA Inc.Plugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,761 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,463298
Grayburg4,307-1,546
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,450-1,689
Spraberry7,560-4,799
Cisco——
Devonian——
Pennsylvanian——
Queen——
Santa Rosa——
Silurian (undifferentiated)SILURIAN——

Perforations

Perforated and open-hole intervals.

FromToType
9,14310,850Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37541117.5500 S
8.6255,02011780 S
5.510,9577.875870 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
00Oct 17, 2014Jun 17, 2014Yes

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/31739047, documented in the API reference.