TEXAS · WELLS · MIDLAND COUNTY · TRAILAND A UNIT LEASE · API 42-329-41441 · DISTRICT 7B
Trailand a Unit #3904LS
Midland County · Spraberry (Trend Area) field · Producing · Horizontal
Trailand A Unit #3904LS (API 42-329-41441) is a horizontal well in Midland County operated by Diamondback E&P LLC, completed January 12, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 15, 2017, permitted to 9,240 ft.
Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 3.45M barrels of oil and 13M mcf of gas since March 2015, last reporting in July 2026. The lease carries 13 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,237
- 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 Apr 2026 |
| Latest permit | Diamondback E&P LLCFeb 15, 2017 |
- 9,240
- total depth, ft
- 1
- permits on file
- Feb 15, 2017
- last permit issued
- Jan 12, 2018
- completed
- 3.45M
- cumulative oil, bbl
- 13M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 12, 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; they carry 13 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Trailand a Unit O-10-47022 | Spraberry (Trend Area) | Diamondback E&P LLC | 13 | 3.45M | 13M | Mar 2015 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,213,961 · prior 12 1,422,353(-15%)
Oil, barrels lease total
Last 12 months 42,965 · prior 12 57,585(-25%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCJul 2015 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 821811-99 | Drill | Diamondback E&P LLC | Jan 4, 2017 | Feb 15, 2017 | Apr 19, 2017 | 10,235 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 12, 2018 | Trailand a Unit O-10-47022 | Spraberry (Trend Area) | Diamondback E&P LLC | Producing | 9,240 |
Formation tops
As filed on W-2/G-1. Subsea from 2,867 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,055 | 1,812 |
| Yates | 2,946 | -79 |
| Seven Rivers | 3,295 | -428 |
| Queen | 3,642 | -775 |
| Grayburg | 4,195 | -1,328 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,568 | -1,701 |
| Glorieta | 6,047 | -3,180 |
| Clear ForkCLEARFORK | 7,227 | -4,360 |
| Spraberry | 8,133 | -5,266 |
| SpraberrySPRABERRY UPPER-DEAN | 9,360 | -6,493 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,600 | 17,291 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 17.5 | 447 | 13.375 | 610 S |
| 12.25 | 8,597 | 9.625 | 1,048 S |
| 8.5 | 17,415 | 5.5 | 2,138 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 23, 2019 | Mar 21, 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 42-329-41441 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-41441 → 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/32941441, documented in the API reference.