WELL · 42-329-37379 · DISTRICT 7
Peck A #4R
Midland County · Spraberry (Trend Area) field · Producing · Vertical
Peck A #4R (API 42-329-37379) is a well in Midland County operated by Diamondback E&P LLC, completed September 18, 2011 and listed as producing on the RRC schedule.
The RRC has issued 3 drilling permits between 2011 and 2018, permitted to 12,118 ft.
It was permitted by Endeavor Energy Resources L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Spraberry, Strawn, Atoka, Devonian.
Its lease has reported 413K barrels of oil and 2.26M mcf of gas since November 2006, last reporting in July 2026. The lease carries 8 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.
- 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 | Endeavor Energy Resources L.P.Aug 27, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,118
- total depth, ft
- 3
- permits on file
- Aug 27, 2018
- last permit issued
- Sep 18, 2011
- completed
- 413K
- cumulative oil, bbl
- 2.26M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 18, 2011
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
Surface location
31.652680, -102.231975
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 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Peck "A" O-9-16097 | Spraberry (Trend Area) | Diamondback E&P LLC | 8 | 413K | 2.26M | Nov 2006 – Jul 2026 |
Oil, barrels lease total
Last 12 months 4,665 · prior 12 9,457(-51%)
Gas, mcf lease total
Last 12 months 19,940 · prior 12 21,714(-8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1LCX Energy, LLCNov 2006 → Sep 2009
- 2Endeavor Energy Resources L.P.Oct 2009 → Dec 2024
- 3Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 843946-99 | Recompletion | Endeavor Energy Resources L.P. | Aug 24, 2018 | Aug 27, 2018 | Jun 25, 2011 | 12,118 |
| 838028-99 | Recompletion | Endeavor Energy Resources L.P. | Mar 26, 2018 | Apr 2, 2018 | — | 12,118 |
| 717998-99 | Drill | Endeavor Energy Resources L.P. | Jun 8, 2011 | Jun 17, 2011 | Jun 25, 2011 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-16097 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,897 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,140 | 10,012 | Perforated |
| 9,140 | 11,961 | Perforated |
| 9,140 | 11,961 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 415 | 17.5 | 425 S |
| 9.625 | 5,160 | 12.25 | 2,050 S |
| 5.5 | 12,118 | 7.875 | 1,380 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 7, 2018 | Oct 11, 2018 | — |
| 00 | Aug 9, 2018 | May 10, 2018 | — |
| 00 | Jan 17, 2013 | Jan 11, 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 42-329-37379 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-37379 → 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 neighbors, subsea-aligned so they line up regardless of surface terrain.
Peck 'A'42-329-35987
0.5 KM · LCX Energy, LLC · Section with this well →
| Spraberry | 7,855 | -4,958 |
| Spraberry | 7,855 | -4,958 |
| Dean | 9,020 | -6,123 |
| Wolfcamp | 9,147 | -6,250 |
| Strawn | 10,156 | -7,259 |
| Bend | 10,432 | -7,535 |
| Atoka | — |
Peck 'A'42-329-37431
0.5 KM · Endeavor Energy Resources L.P. · Section with this well →
| Spraberry | 7,775 | -6,615 |
| Spraberry | 7,775 | -6,615 |
| Strawn | 10,050 | -8,890 |
| Pennsylvanian | 10,050 | -8,890 |
| Bend | 10,405 | -9,245 |
| Devonian | 11,600 | -10,440 |
Peck 'A'42-461-35400
0.6 KM · LCX Energy, LLC · Section with this well →
| Spraberry | 7,825 | -4,928 |
| Spraberry | 8,300 | -5,403 |
| Dean | 9,025 | -6,128 |
| Wolfcamp | 9,150 | -6,253 |
| Strawn | 10,125 | -7,228 |
| Pennsylvanian | 10,150 | -7,253 |
| Bend | 10,425 | -7,528 |
| Bend | 10,450 | -7,553 |
9 TOPS · FIRST 8
Peck 'A'42-329-35986
0.8 KM · LCX Energy, LLC · Section with this well →
| Spraberry | 7,862 | -4,963 |
| Spraberry | 7,862 | -4,963 |
| Strawn | 10,162 | -7,263 |
| Bend | 10,450 | -7,551 |
| Atoka | — |
Peck 'A'42-461-35219
1.0 KM · LCX Energy, LLC · Section with this well →
| Yates | 2,875 | 22 |
| San Adnres | 4,925 | -2,028 |
| San Andres | 4,925 | -2,028 |
| Spraberry | 7,800 | -4,903 |
| Dean | 9,000 | -6,103 |
| Wolfcamp | 9,100 | -6,203 |
| Strawn | 10,100 | -7,203 |
| Bend | 10,480 | -7,583 |
9 TOPS · FIRST 8
Wakefield Trust42-461-33586
1.0 KM · Terrace Petroleum Corporation · Section with this well →
| Clear Fork | 7,510 | -4,615 |
| Spraberry | 7,510 | -4,615 |
| Wolfcamp | 9,144 | -6,249 |
| Canyon | 9,950 | -7,055 |
| Strawn | 10,144 | -7,249 |
| Pennsylvanian | 10,496 | -7,601 |
| Bend | 10,496 | -7,601 |
| Mississippian | 11,272 | -8,377 |
Dorcus Janey (SA) A42-461-39929
1.3 KM · SM Energy Company · Section with this well →
| Wolfcamp | 9,168 | -6,268 |
| Grayburg | — | |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — | |
| San Andres | — | |
| Spraberry | — | |
| Strawn | — |
9 TOPS · FIRST 8
Dorcus Janey E42-461-42550
1.4 KM · SM Energy Company · Section with this well →
| Yates | 2,936 | -39 |
| Grayburg | 4,515 | -1,618 |
| San Andres | 4,646 | -1,749 |
| Spraberry | 7,956 | -5,059 |
| Wolfcamp | 9,225 | -6,328 |
| Strawn | 10,225 | -7,328 |
| Barnett | 11,252 | -8,355 |
| Ellenburger | — |
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/32937379, documented in the API reference.