TEXAS · WELLS · MARTIN COUNTY · HARDIN "10" LEASE · API 42-317-35474 · DISTRICT 7B
Hardin 10 #1
Martin County · Spraberry (Trend Area) field · Shut In · Vertical
Hardin 10 #1 (API 42-317-35474) is a well in Martin County operated by Diamondback E&P LLC, completed April 21, 2009 and listed as shut in on the RRC schedule, shut in October 1, 2025.
The RRC has issued one drilling permit, issued October 20, 2008, permitted to 9,898 ft.
It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.
Its lease has reported 41.5K barrels of oil and 39.4K mcf of gas since April 2009, last reporting in July 2026.
Operator of record
Permitted by Pioneer Natural Res. USA, Inc.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,243
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Feb 2025 |
| Latest permit | Pioneer Natural Res. USA, Inc.Oct 20, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,898
- total depth, ft
- 1
- permits on file
- Oct 20, 2008
- last permit issued
- Apr 21, 2009
- completed
- 41.5K
- cumulative oil, bbl
- 39.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 21, 2009
- Shut in
- Oct 1, 2025
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Hardin "10" O-10-39511 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 41.5K | 39.4K | Apr 2009 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 517(-100%)
Gas, mcf lease total
Last 12 months 0 · prior 12 267(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Apr 2009 → Apr 2020
- 2Guidon Energy Mgmt Services LLCJun 2020 → Dec 2020
- 3Diamondback E&P LLCJan 2021 → Feb 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 673118-99 | Drill | Pioneer Natural Res. USA, Inc. | Oct 14, 2008 | Oct 20, 2008 | Feb 4, 2009 | 10,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 21, 2009 | Hardin 10 O-10-39511 | Spraberry (Trend Area) | Diamondback E&P LLC | Shut In · shut in Oct 1, 2025 | 9,898 |
Formation tops
As filed on W-2/G-1. Subsea from 2,804 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,327 | 7,505 | Perforated |
| 8,090 | 8,237 | Perforated |
| 8,676 | 8,849 | Perforated |
| 8,973 | 9,694 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 338 | 11 | 250 S |
| 4.5 | 9,893 | 7.875 | 1,025 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 | Oct 9, 2009 | Jun 8, 2009 | Yes |
| 00 | Sep 21, 2009 | — | — |
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 42-317-35474 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-35474 → 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/31735474, documented in the API reference.