WELL · 42-329-38017 · DISTRICT 8
Shirley -B- #3815R
Midland County · Spraberry (Trend Area) field · Producing · Vertical
Shirley -B- #3815R (API 42-329-38017) is a well in Midland County operated by Diamondback E&P LLC, completed September 16, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued April 18, 2012, permitted to 11,000 ft.
It was permitted by Energen Resources Corporation and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Wolfcamp, Strawn.
Its lease has reported 74.8K barrels of oil and 92.8K mcf of gas since September 2012, last reporting in July 2026.
Operator of record
Permitted by Energen Resources Corporation; the EWA schedule now lists a different operator.
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 | Energen Resources CorporationApr 18, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 3
- permits on file
- Apr 18, 2012
- last permit issued
- Sep 16, 2012
- completed
- 74.8K
- cumulative oil, bbl
- 92.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 16, 2012
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 |
|---|---|---|---|---|---|---|
| Shirley -B- O-10-44595 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 74.8K | 92.8K | Sep 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 3,128 · prior 12 3,261(-4%)
Gas, mcf lease total
Last 12 months 7,579 · prior 12 6,931(+9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Energen Resources CorporationSep 2012 → Jan 2019
- 2Diamondback E&P LLCFeb 2019 → Apr 2026
- 3Firebird Energy LLCJun 2022 → Nov 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 737390-97 | Other | Energen Resources Corporation | Feb 15, 2013 | Apr 18, 2012 | May 3, 2012 | 11,000 |
| 737390-98 | Other | Energen Resources Corporation | Jul 5, 2012 | Apr 18, 2012 | — | 11,000 |
| 737390-99 | Drill | Energen Resources Corporation | Apr 2, 2012 | Apr 18, 2012 | May 3, 2012 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-44595 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,833 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,368 | 8,621 | Perforated |
| 8,762 | 9,071 | Perforated |
| 9,358 | 9,579 | Perforated |
| 9,720 | 9,947 | Perforated |
| 10,072 | 10,291 | Perforated |
| 10,404 | 10,659 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 360 | 17.5 | 500 S |
| 8.625 | 5,567 | 11 | 1,500 S |
| 5.5 | 10,855 | 7.875 | 1,800 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 | Jun 10, 2014 | Nov 28, 2012 | 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 42-329-38017 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-38017 → 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/32938017, documented in the API reference.