WELL · 42-317-36731 · DISTRICT 8
D. Riley #2
Martin County · Spraberry (Trend Area) field · Vertical
D. Riley #2 (API 42-317-36731) is a well in Martin County operated by Pitts Energy CO., completed December 24, 2011.
The RRC has issued one drilling permit (amended once), issued March 18, 2011, permitted to 10,900 ft.
Completion filings report 5 formation tops, including Spraberry, Dean, Wolfcamp, Strawn.
Its 2 leases have reported 132K barrels of oil and 137K mcf of gas since May 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 3, 2026
- Permits on file
- 234
- Phone
- (432) 682-4101
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pitts Energy Co. |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Pitts Energy Co.Mar 18, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,900
- total depth, ft
- 2
- permits on file
- Mar 18, 2011
- last permit issued
- Dec 24, 2011
- completed
- 132K
- cumulative oil, bbl
- 137K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 24, 2011
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Riley, D. O-10-33837 | Spraberry (Trend Area) | Diamondback E&P LLC | 2 | 132K | 137K | May 1993 – Jul 2026 |
| D. Riley O-10-42993 | Spraberry (Trend Area) | Pitts Energy Co. | 1 | 0 | 0 | Dec 2011 – Dec 2014 |
Oil, barrels lease total
Last 12 months 5,111 · prior 12 1,353(+278%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Snyder Oil CorporationMay 1993 → Sep 1995
- 2Coda Energy, Inc.Oct 1995 → Aug 1998
- 3Belco Energy Corp.Sep 1998 → Feb 2002
- 4Westport Oil and Gas Company, LPMar 2002 → May 2002
- 5Pitts Energy Co.Jun 2002 → Aug 2018
- 6DE3 Operating LLCSep 2018 → May 2021
- 7Pioneer Natural Res. USA, Inc.Jun 2021 → Mar 2023
- 8Endeavor Energy Resources L.P.May 2023 → Dec 2024
- 9Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 711891-98 | Drill | Pitts Energy Co. | Mar 28, 2013 | Mar 18, 2011 | Aug 13, 2011 | 10,900 |
| 711891-99 | Drill | Pitts Energy Co. | Mar 9, 2011 | Mar 18, 2011 | Aug 13, 2011 | 10,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-33837 | — | — | — | — |
| — | — O-10-42993 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,612 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| SpraberryUPPER SPRABERRY | 7,030 | -4,418 |
| SpraberryLOWER SPRABERRY | 7,530 | -4,918 |
| Dean | 8,330 | -5,718 |
| Wolfcamp | 8,620 | -6,008 |
| Strawn | 10,036 | -7,424 |
| MississippianUPPER MISSISSIPPIAN | 10,202 | -7,590 |
| MississippianLOWER MISSISSIPPIAN | 10,590 | -7,978 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,564 | 7,740 | Perforated |
| 7,805 | 7,990 | Perforated |
| 8,062 | 8,250 | Perforated |
| 8,324 | 8,530 | Perforated |
| 8,595 | 8,850 | Perforated |
| 8,945 | 9,250 | Perforated |
| 9,333 | 9,600 | Perforated |
| 9,682 | 9,950 | Perforated |
| 9,996 | 10,191 | Perforated |
| 10,301 | 10,715 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 30 | 24 | 150 S |
| 13.375 | 526 | 17.5 | 450 S |
| 8.625 | 4,460 | 11 | 2,400 S |
| 5.5 | 10,866 | 7.875 | 1,650 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 | Nov 14, 2014 | Mar 5, 2012 | Yes |
| 00 | Aug 20, 2013 | Mar 5, 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 42-317-36731 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-36731 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/31736731, documented in the API reference.