TEXAS · WELLS · MARTIN COUNTY · O'NEIL "4" LEASE · API 42-317-36301 · DISTRICT 7B
O Neil 4 #1
Martin County · Spraberry (Trend Area) field · Producing · Vertical
O Neil 4 #1 (API 42-317-36301) is a well in Martin County operated by Ovintiv USA Inc., completed March 10, 2011 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 29, 2010, permitted to 10,690 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 4 formation tops, including Spraberry, Dean, Wolfcamp, Strawn.
Its lease has reported 202K barrels of oil and 99.5K mcf of gas since March 2011, last reporting volume in April 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
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 schedule | Ovintiv USA Inc. |
| Production reports | Ovintiv USA Inc.through Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Sep 29, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,690
- total depth, ft
- 1
- permits on file
- Sep 29, 2010
- last permit issued
- Mar 10, 2011
- completed
- 202K
- cumulative oil, bbl
- 99.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2011 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 10, 2011
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| O'Neil "4" O-10-41075 | Spraberry (Trend Area) | Ovintiv USA Inc. | 4 | 202K | 99.5K | Mar 2011 – Apr 2026 |
Oil, barrels lease total
Last 12 months 834 · prior 12 4,639(-82%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Mar 2011 → May 2017
- 2Petrolegacy Energy II, LLCJun 2017 → May 2023
- 3Ovintiv USA Inc.Jun 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 702884-99 | Drill | Pioneer Natural Res. USA, Inc. | Sep 28, 2010 | Sep 29, 2010 | Dec 20, 2010 | 11,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 10, 2011 | O Neil 4 O-10-41075 | Spraberry (Trend Area) | Ovintiv USA Inc. | Producing | 10,690 |
Formation tops
As filed on W-2/G-1. Subsea from 2,779 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,908 | 9,175 | Perforated |
| 9,273 | 10,507 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 402 | 11 | 235 S |
| 4.5 | 10,686 | 7.875 | 1,410 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 23, 2012 | May 3, 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 42-317-36301 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-36301 → 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/31736301, documented in the API reference.