WELL · 42-329-42288 · DISTRICT 8
Trailand B Unit #3901WB
Midland County · Spraberry (Trend Area) field · Producing · Horizontal
Trailand B Unit #3901WB (API 42-329-42288) is a horizontal well in Midland County operated by Diamondback E&P LLC, completed September 21, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 9, 2018, permitted to 10,875 ft.
Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 3.3M barrels of oil and 14.3M mcf of gas since September 2018, last reporting in July 2026. The lease carries 14 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Diamondback E&P LLCFeb 9, 2018 |
- 10,875
- total depth, ft
- 1
- permits on file
- Feb 9, 2018
- last permit issued
- Sep 21, 2018
- completed
- 3.3M
- cumulative oil, bbl
- 14.3M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 21, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.971900, -102.193889
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Midland County.
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 14 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Trailand B Unit O-10-51664 | Spraberry (Trend Area) | Diamondback E&P LLC | 14 | 3.3M | 14.3M | Sep 2018 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,820,576 · prior 12 1,901,026(-4%)
Oil, barrels lease total
Last 12 months 94,644 · prior 12 136,178(-30%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCSep 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 836109-99 | Drill | Diamondback E&P LLC | Feb 8, 2018 | Feb 9, 2018 | Mar 22, 2018 | 10,875 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-51664 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,867 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,068 | 1,799 |
| Yates | 2,939 | -72 |
| Seven Rivers | 3,314 | -447 |
| Queen | 3,637 | -770 |
| Grayburg | 4,192 | -1,325 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,614 | -1,747 |
| Glorieta | 6,053 | -3,186 |
| Clear ForkCLEARFORK | 7,241 | -4,374 |
| Spraberry | 8,147 | -5,280 |
| SpraberrySPRABERRY UPPER-DEAN | 9,373 | -6,506 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,245 | 18,006 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,829 | 17.5 | 1,280 S |
| 9.625 | 9,232 | 12.25 | 1,105 S |
| 5.5 | 18,079 | 8.5 | 2,811 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 | Jul 2, 2019 | Apr 17, 2019 | 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 42-329-42288 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-42288 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Trailand B Unit42-329-42290
0.0 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,060 | 1,807 |
| Yates | 2,940 | -73 |
| Seven Rivers | 3,316 | -449 |
| Queen | 3,636 | -769 |
| Grayburg | 4,187 | -1,320 |
| San Andres | 4,611 | -1,744 |
| Glorieta | 6,044 | -3,177 |
| Clear Fork | 7,235 | -4,368 |
10 TOPS · FIRST 8
Trailand B Unit42-329-42287
0.0 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,058 | 1,809 |
| Yates | 2,946 | -79 |
| Seven Rivers | 3,311 | -444 |
| Queen | 3,633 | -766 |
| Grayburg | 4,188 | -1,321 |
| San Andres | 4,608 | -1,741 |
| Glorieta | 6,047 | -3,180 |
| Clear Fork | 7,239 | -4,372 |
10 TOPS · FIRST 8
Trailand B Unit42-329-42286
0.0 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,064 | 1,803 |
| Yates | 2,934 | -67 |
| Seven Rivers | 3,312 | -445 |
| Queen | 3,640 | -773 |
| San Andres | 4,615 | -1,748 |
| Glorieta | 6,045 | -3,178 |
| Clear Fork | 7,236 | -4,369 |
| Spraberry | 8,144 | -5,277 |
10 TOPS · FIRST 8
Trailand B Unit42-329-42777
0.1 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,050 | 1,815 |
| Yates | 2,935 | -70 |
| Seven Rivers | 3,299 | -434 |
| Queen | 3,717 | -852 |
| Grayburg | 4,210 | -1,345 |
| San Andres | 4,639 | -1,774 |
| Glorieta | 6,049 | -3,184 |
| Clear Fork | 7,233 | -4,368 |
10 TOPS · FIRST 8
Trailand B Unit42-329-42776
0.1 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,048 | 1,817 |
| Yates | 2,937 | -72 |
| Seven Rivers | 3,299 | -434 |
| Queen | 3,713 | -848 |
| Grayburg | 4,205 | -1,340 |
| San Andres | 4,634 | -1,769 |
| Glorieta | 6,051 | -3,186 |
| Clear Fork | 7,241 | -4,376 |
10 TOPS · FIRST 8
Trailand B Unit42-329-42775
0.1 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,025 | 1,840 |
| Yates | 2,928 | -63 |
| Seven Rivers | 3,297 | -432 |
| Queen | 3,712 | -847 |
| Grayburg | 4,208 | -1,343 |
| San Andres | 4,627 | -1,762 |
| Glorieta | 6,056 | -3,191 |
| Clear Fork | 7,242 | -4,377 |
10 TOPS · FIRST 8
Trailand B Unit42-329-42774
0.1 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,020 | 1,844 |
| Yates | 2,936 | -72 |
| Seven Rivers | 3,295 | -431 |
| Queen | 3,708 | -844 |
| Grayburg | 4,205 | -1,341 |
| San Andres | 4,628 | -1,764 |
| Glorieta | 6,054 | -3,190 |
| Clear Fork | 7,239 | -4,375 |
10 TOPS · FIRST 8
Trailand B Unit42-329-42773
0.1 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,025 | 1,839 |
| Yates | 2,937 | -73 |
| Seven Rivers | 3,298 | -434 |
| Queen | 3,705 | -841 |
| Grayburg | 4,201 | -1,337 |
| San Andres | 4,645 | -1,781 |
| Glorieta | 6,049 | -3,185 |
| Clear Fork | 7,235 | -4,371 |
10 TOPS · FIRST 8
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/32942288, documented in the API reference.