WELL · 42-329-40904 · DISTRICT 8
Preston 18F #6H
Midland County · Spraberry (Trend Area) R 40 Exc field · Producing · Horizontal
Preston 18f #6H (API 42-329-40904) is a horizontal well in Midland County operated by Pioneer Natural Res. USA Inc., completed June 10, 2017 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued April 20, 2016, permitted to 11,050 ft.
Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 407K barrels of oil and 1.94M mcf of gas since December 2016, last reporting in July 2026.
Operator of record
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,628
- Phone
- (972) 444-4001
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Apr 20, 2016 |
- 11,050
- total depth, ft
- 2
- permits on file
- Apr 20, 2016
- last permit issued
- Jun 10, 2017
- completed
- 407K
- cumulative oil, bbl
- 1.94M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2016 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 10, 2017
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Preston 18F O-10-48823 | Spraberry (Trend Area) R 40 Exc | Pioneer Natural Res. USA, Inc. | 1 | 407K | 1.94M | Dec 2016 – Jul 2026 |
Gas, mcf lease total
Last 12 months 276,829 · prior 12 150,694(+84%)
Oil, barrels lease total
Last 12 months 6,228 · prior 12 13,222(-53%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Jun 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 814985-98 | Drill | Pioneer Natural Res. USA, Inc. | Sep 26, 2016 | Apr 20, 2016 | Nov 1, 2016 | 11,050 |
| 814985-99 | Drill | Pioneer Natural Res. USA, Inc. | Apr 11, 2016 | Apr 20, 2016 | Nov 1, 2016 | 11,050 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-48823 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,778 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 834 | 1,944 |
| Yates | 2,507 | 271 |
| Seven Rivers | 2,820 | -42 |
| Queen | 3,481 | -703 |
| Grayburg | 4,024 | -1,246 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,236 | -1,458 |
| Clear ForkCLEARFORK | 6,327 | -3,549 |
| Spraberry | 7,216 | -4,438 |
| SpraberrySPRABERRY UPPER-DEAN | 8,606 | -5,828 |
| Glorieta | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,049 | 20,256 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,436 | 17.5 | 1,545 S |
| 9.625 | 8,346 | 12.25 | 716 S |
| 5.5 | 20,357 | 8.5 | 1,963 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 26, 2017 | Jul 19, 2017 | Yes |
| 00 | Aug 29, 2017 | Jun 22, 2017 | — |
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 42-329-40904 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-40904 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/32940904, documented in the API reference.