WELL · 42-383-41056 · DISTRICT 7
Clarkson 7-26 F #261
Reagan County · Spraberry (Trend Area) field · Producing · Horizontal
Clarkson 7-26 F #261 (API 42-383-41056) is a horizontal well in Reagan County operated by Diamondback E&P LLC, completed May 9, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued December 1, 2021, permitted to 9,800 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 9 formation tops, including Queen, Grayburg, San Andres, Clear Fork.
Its lease has reported 270K barrels of oil and 3.38M mcf of gas since February 2022, last reporting in July 2026.
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.Dec 1, 2021 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,800
- total depth, ft
- 2
- permits on file
- Dec 1, 2021
- last permit issued
- May 9, 2022
- completed
- 270K
- cumulative oil, bbl
- 3.38M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 9, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
Surface location
31.543918, -101.491599
Permit surface location from the RRC GIS record, in Reagan 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Clarkson 7-26 F O-9-21635 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 270K | 3.38M | Feb 2022 – Jul 2026 |
Gas, mcf lease total
Last 12 months 738,688 · prior 12 756,019(-2%)
Oil, barrels lease total
Last 12 months 20,784 · prior 12 31,072(-33%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Endeavor Energy Resources L.P.May 2022 → Dec 2024
- 2Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 873855-98 | Drill | Endeavor Energy Resources L.P. | Dec 3, 2021 | Dec 1, 2021 | — | 9,800 |
| 873855-99 | Drill | Endeavor Energy Resources L.P. | Oct 21, 2021 | Dec 1, 2021 | Jan 26, 2022 | 9,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-21635 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,673 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen | 2,351 | 322 |
| Grayburg | 2,863 | -190 |
| San AndresSAN ANDRES - SALTWATER FLOW, POS | 3,082 | -409 |
| Clear ForkCLEARFORK | 4,937 | -2,264 |
| Spraberry | 6,037 | -3,364 |
| Jo Mill | 6,916 | -4,243 |
| Dean | 7,479 | -4,806 |
| WolfcampWOLFCAMP A | 7,646 | -4,973 |
| WolfcampWOLFCAMP B | 7,968 | -5,295 |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,373 | 19,168 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,029 | 17.5 | 890 S |
| 8.625 | 1,029 | 17.5 | 890 S |
| 9.625 | 7,152 | 12.25 | 648 S |
| 5.5 | 19,291 | 8.5 | 1,678 S |
| 5.5 | 19,306 | 8.5 | 1,678 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 | Oct 14, 2022 | Sep 8, 2022 | Yes |
| 00 | Jul 11, 2022 | Apr 18, 2022 | 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 42-383-41056 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-41056 → 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.
Clarkson 7-26 H42-383-41057
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Queen | 2,358 | 315 |
| Grayburg | 2,862 | -189 |
| San Andres | 3,085 | -412 |
| Clear Fork | 4,950 | -2,277 |
| Spraberry | 6,051 | -3,378 |
| Jo Mill | 6,928 | -4,255 |
| Dean | 7,486 | -4,813 |
| Wolfcamp | 7,654 | -4,981 |
12 TOPS · FIRST 8
Ricker 36-27 A42-383-41158
0.7 KM · Endeavor Energy Resources L.P. · Section with this well →
| Grayburg | 3,016 | -344 |
| Queen | 3,478 | -806 |
| San Andres | 3,478 | -806 |
| Clear Fork | 4,984 | -2,312 |
| Spraberry | 6,064 | -3,392 |
| Strawn | — | |
| Fusselman | — | |
| Ellenburger | — |
Ricker 36-27 B42-383-41159
0.7 KM · Endeavor Energy Resources L.P. · Section with this well →
| Grayburg | 3,026 | -352 |
| Queen | 3,487 | -813 |
| San Andres | 3,488 | -814 |
| Clear Fork | 4,994 | -2,320 |
| Spraberry | 6,067 | -3,393 |
| Ellenburger | — | |
| Strawn | — | |
| Fusselman | — |
Ricker 36-27 C42-383-41160
0.7 KM · Endeavor Energy Resources L.P. · Section with this well →
| Grayburg | 3,026 | -352 |
| Queen | 3,488 | -814 |
| San Andres | 3,488 | -814 |
| Clear Fork | 4,994 | -2,320 |
| Spraberry | 6,074 | -3,400 |
| Ellenburger | — | |
| Strawn | — | |
| Fusselman | — |
Ricker 36-27 D42-383-41162
0.7 KM · Endeavor Energy Resources L.P. · Section with this well →
| Grayburg | 3,026 | -352 |
| Queen | 3,487 | -813 |
| San Andres | 3,488 | -814 |
| Clear Fork | 4,994 | -2,320 |
| Spraberry | 6,936 | -4,262 |
| Ellenburger | — | |
| Fusselman | — | |
| Strawn | — |
Clarkson 7-26 E42-383-40912
0.8 KM · Endeavor Energy Resources L.P. · Section with this well →
| Queen | 2,488 | 167 |
| Grayburg | 2,859 | -204 |
| San Andres | 3,147 | -492 |
| Clear Fork | 4,886 | -2,231 |
| Spraberry | 6,006 | -3,351 |
| Jo Mill | 6,854 | -4,199 |
| Dean | 7,431 | -4,776 |
| Wolfcamp | 7,616 | -4,961 |
11 TOPS · FIRST 8
Clarkson 7-26 C42-383-40914
0.8 KM · Endeavor Energy Resources L.P. · Section with this well →
| Queen | 2,488 | 167 |
| Grayburg | 2,859 | -204 |
| San Andres | 3,147 | -492 |
| Clear Fork | 4,901 | -2,246 |
| Spraberry | 6,006 | -3,351 |
| Jo Mill | 6,863 | -4,208 |
| Dean | 7,437 | -4,782 |
| Wolfcamp | 7,605 | -4,950 |
10 TOPS · FIRST 8
Clarkson 7-26 B42-383-40913
0.8 KM · Endeavor Energy Resources L.P. · Section with this well →
| Queen | 2,488 | 167 |
| Grayburg | 2,859 | -204 |
| San Andres | 3,147 | -492 |
| Clear Fork | 4,886 | -2,231 |
| Spraberry | 5,996 | -3,341 |
| Jo Mill | 6,854 | -4,199 |
| Dean | 7,431 | -4,776 |
| Wolfcamp | 7,596 | -4,941 |
11 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/38341056, documented in the API reference.