TEXAS · WELLS · ANDREWS COUNTY · COOK 26 LEASE · API 42-003-46148 · DISTRICT 7B
Cook 26 #1
Andrews County · Spraberry (Trend Area) field · Producing · Vertical
Cook 26 #1 (API 42-003-46148) is a well in Andrews County operated by Sabalo II Operating LLC, completed June 10, 2014 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 11, 2014, permitted to 11,710 ft.
It was permitted by Williams, Clayton Energy, Inc. and has since transferred to Sabalo II Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Canyon, Devonian, Ellenburger, Fusselman.
Its lease has reported 54K barrels of oil and 172K mcf of gas since June 2014, last reporting volume in April 2026.
Operator of record
Permitted by Williams, Clayton Energy, Inc.; the EWA schedule now lists a different operator.
- Based in
- Corpus Chrsti, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 25, 2026
- Permits on file
- 73
- Phone
- (361) 888-7708
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sabalo II Operating LLC |
| Production reports | Sabalo II Operating, LLCthrough Apr 2026 |
| Latest permit | Williams, Clayton Energy, Inc.Apr 11, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,710
- total depth, ft
- 1
- permits on file
- Apr 11, 2014
- last permit issued
- Jun 10, 2014
- completed
- 54K
- cumulative oil, bbl
- 172K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2014 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 10, 2014
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Cook 26 O-10-45059 | Spraberry (Trend Area) | Sabalo II Operating, LLC | 1 | 54K | 172K | Jun 2014 – Apr 2026 |
Oil, barrels lease total
Last 12 months 2,424 · prior 12 1,899(+28%)
Gas, mcf lease total
Last 12 months 10,390 · prior 12 7,862(+32%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Williams, Clayton Energy, Inc.Jul 2014 → Mar 2017
- 2NBL Permian LLCApr 2017 → Sep 2017
- 3Throne Petroleum Resources LLCOct 2017 → Aug 2021
- 4Montrose Operating LLCSep 2021 → May 2024
- 5Sabalo II Operating, LLCJul 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 782054-99 | Drill | Williams, Clayton Energy, Inc. | Mar 12, 2014 | Apr 11, 2014 | Apr 19, 2014 | 11,850 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 10, 2014 | Cook 26 O-10-45059 | Spraberry (Trend Area) | Sabalo II Operating LLC | Producing | 11,710 |
Formation tops
As filed on W-2/G-1. Subsea from 3,088 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Canyon | — | — |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Holt | — | — |
| McKee | — | — |
| Permian (undifferentiated)PERMIAN DETRITAL | — | — |
| Silurian (undifferentiated)SILURIAN | — | — |
| Tubb | — | — |
| Wichita-AlbanyWICHITA ALBANY | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,817 | 11,573 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 418 | 17.5 | 440 S |
| 8.625 | 5,030 | 11 | 1,595 S |
| 5.5 | 11,710 | 7.875 | 1,250 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Sep 9, 2014 | Jul 30, 2014 | Yes |
Well logs
1 log loaded from the RRC's log index, the latest received Apr 26, 2017. Gamma ray. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.
Open the RRC's log search for this well ↗| Logas described | Files | Intervalft, as filed | Datereceived | SizeMB |
|---|---|---|---|---|
| Gamma Ray | TIFF | 10,550 to 11,593 | Apr 26, 2017 | 23.5 |
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 42-003-46148 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-46148 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it. The University Lands library has no per-well link: then paste it into its 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/00346148, documented in the API reference.