TEXAS · WELLS · MIDLAND COUNTY · PRESTON 18L LEASE · API 42-329-41280 · DISTRICT 7B
Preston 18L #12H
Midland County · Spraberry (Trend Area) R 40 Exc field · Producing · Horizontal
Preston 18l #12H (API 42-329-41280) is a horizontal well in Midland County operated by Pioneer Natural Res. USA Inc., completed February 28, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued October 20, 2016, permitted to 8,979 ft.
Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 481K barrels of oil and 1.63M mcf of gas since February 2018, 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.Oct 20, 2016 |
- 8,979
- total depth, ft
- 1
- permits on file
- Oct 20, 2016
- last permit issued
- Feb 28, 2018
- completed
- 481K
- cumulative oil, bbl
- 1.63M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 28, 2018
- 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 18L O-10-50317 | Spraberry (Trend Area) R 40 Exc | Pioneer Natural Res. USA, Inc. | 1 | 481K | 1.63M | Feb 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 5,418 · prior 12 15,954(-66%)
Gas, mcf lease total
Last 12 months 53,730 · prior 12 60,029(-10%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Feb 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 819080-99 | Drill | Pioneer Natural Res. USA, Inc. | Oct 4, 2016 | Oct 20, 2016 | Sep 14, 2017 | 11,050 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 28, 2018 | Preston 18L O-10-50317 | Spraberry (Trend Area) R 40 Exc | Pioneer Natural Res. USA Inc. | Producing | 8,979 |
Formation tops
As filed on W-2/G-1. Subsea from 2,778 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 801 | 1,977 |
| Yates | 2,503 | 275 |
| Seven Rivers | 2,800 | -22 |
| Queen | 3,467 | -689 |
| Grayburg | 4,033 | -1,255 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,189 | -1,411 |
| Clear ForkCLEARFORK | 6,367 | -3,589 |
| Spraberry | 7,232 | -4,454 |
| SpraberrySPRABERRY UPPER-DEAN | 8,613 | -5,835 |
| Glorieta | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,242 | 19,106 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,455 | 17.5 | 1,397 S |
| 9.625 | 6,431 | 12.25 | 972 S |
| 5.5 | 19,197 | 8.5 | 2,115 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 | Sep 4, 2018 | Jun 13, 2018 | 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 42-329-41280 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-41280 → 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/32941280, documented in the API reference.