WELL · 42-317-42274 · DISTRICT 8
Wolcott Campbell A #1321LS
Martin County · Spraberry (Trend Area) field · Producing · Horizontal
Wolcott Campbell A #1321LS (API 42-317-42274) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed February 14, 2020 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 23, 2019, permitted to 10,090 ft.
Completion filings report 9 formation tops, including Clear Fork, Spraberry, Cisco, Dean.
Its lease has reported 1.51M barrels of oil and 3.78M mcf of gas since January 2020, last reporting in July 2026. The lease carries 4 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 LLCMay 23, 2019 |
- 10,090
- total depth, ft
- 1
- permits on file
- May 23, 2019
- last permit issued
- Feb 14, 2020
- completed
- 1.51M
- cumulative oil, bbl
- 3.78M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2020 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 14, 2020
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
Surface location
32.326812, -102.042379
Permit surface location from the RRC GIS record, in Martin 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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Wolcott Campbell A O-10-54577 | Spraberry (Trend Area) | Diamondback E&P LLC | 4 | 1.51M | 3.78M | Jan 2020 – Jul 2026 |
Oil, barrels lease total
Last 12 months 53,951 · prior 12 108,072(-50%)
Gas, mcf lease total
Last 12 months 244,563 · prior 12 522,155(-53%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCFeb 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 852993-99 | Drill | Diamondback E&P LLC | May 10, 2019 | May 23, 2019 | Jul 15, 2019 | 10,090 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-54577 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,848 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,545 | -3,697 |
| Spraberry | 7,954 | -5,106 |
| SpraberryLOWER SPRABERRY | 8,823 | -5,975 |
| Cisco | — | — |
| Dean | — | — |
| Grayburg | — | — |
| Queen | — | — |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | — | — |
| Santa Rosa | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,615 | 21,125 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,716 | 17.5 | 1,730 S |
| 9.625 | 8,546 | 12.25 | 1,010 S |
| 5.5 | 21,225 | 8.5 | 3,340 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 | Sep 17, 2020 | Aug 20, 2020 | 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 42-317-42274 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-42274 → 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.
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.
Wolcott Campbell A42-317-42273
0.0 KM · Diamondback E&P LLC · Section with this well →
| Clear Fork | 6,539 | -3,691 |
| Spraberry | 7,959 | -5,111 |
| Dean | 9,238 | -6,390 |
| Wolfcamp | 9,492 | -6,644 |
| Queen | — | |
| Grayburg | — | |
| San Andres | — | |
| Yates | — |
10 TOPS · FIRST 8
Wolcott Campbell A42-317-42272
0.0 KM · Diamondback E&P LLC · Section with this well →
| Clear Fork | 6,523 | -3,676 |
| Spraberry | 7,960 | -5,113 |
| Spraberry | 8,207 | -5,360 |
| Queen | — | |
| Cisco | — | |
| Dean | — | |
| Grayburg | — | |
| San Andres | — |
10 TOPS · FIRST 8
Wolcott Campbell A42-317-42271
0.0 KM · Diamondback E&P LLC · Section with this well →
| Spraberry | 7,950 | -5,103 |
| Dean | 9,232 | -6,385 |
| Wolfcamp | 9,490 | -6,643 |
| Yates | — | |
| Pennsylvanian | — | |
| Grayburg | — | |
| Cisco | — | |
| Queen | — |
10 TOPS · FIRST 8
Wolcott Campbell 0142-317-40930
0.1 KM · Energen Resources Corporation · Section with this well →
| Santa Rosa | 1,425 | 1,428 |
| Yates | 2,858 | -5 |
| Queen | 3,808 | -955 |
| Grayburg | 4,416 | -1,563 |
| San Andres | 4,670 | -1,817 |
| Spraberry | 7,990 | -5,137 |
| Dean | — | |
| Cisco | — |
10 TOPS · FIRST 8
Wolcott Campbell B42-317-42275
0.2 KM · Diamondback E&P LLC · Section with this well →
| Spraberry | 7,945 | -5,099 |
| Cisco | — | |
| Dean | — | |
| Grayburg | — | |
| Pennsylvanian | — | |
| Queen | — | |
| San Andres | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
Wolcott Campbell B42-317-42299
0.2 KM · Diamondback E&P LLC · Section with this well →
| Clear Fork | 6,538 | -3,692 |
| Spraberry | 7,954 | -5,108 |
| Dean | 9,210 | -6,364 |
| Wolfcamp | 9,487 | -6,641 |
| Santa Rosa | — | |
| Cisco | — | |
| Yates | — | |
| Grayburg | — |
10 TOPS · FIRST 8
Wolcott Campbell B42-317-42301
0.2 KM · Diamondback E&P LLC · Section with this well →
| Clear Fork | 6,535 | -3,689 |
| Spraberry | 7,948 | -5,102 |
| Jo Mill | 8,446 | -5,600 |
| Yates | — | |
| Cisco | — | |
| Dean | — | |
| Grayburg | — | |
| Queen | — |
10 TOPS · FIRST 8
Wolcott Campbell B42-317-42300
0.2 KM · Diamondback E&P LLC · Section with this well →
| Clear Fork | 6,538 | -3,692 |
| Spraberry | 7,917 | -5,071 |
| Dean | 9,228 | -6,382 |
| Wolfcamp | 9,483 | -6,637 |
| San Andres | — | |
| Santa Rosa | — | |
| Yates | — | |
| Grayburg | — |
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/31742274, documented in the API reference.