WELL · 42-135-43899 · DISTRICT 8
Gardendale FF A #1201LS
Ector County · Spraberry (Trend Area) field · Horizontal
Gardendale FF A #1201LS (API 42-135-43899) is a horizontal well in Ector County operated by Slant Operating LLC, completed November 10, 2022.
The RRC has issued one drilling permit, issued June 3, 2022, permitted to 8,900 ft.
It was permitted by Contango Resources, LLC and has since transferred to Slant Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Seven Rivers, San Andres.
Its 2 leases have reported 1.6M barrels of oil and 1.71M mcf of gas since June 2019, last reporting in July 2026. The leases carry 10 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Contango Resources, LLC; the EWA schedule now lists a different operator.
Lafayette, LA · P-5 Y, filed Oct 4, 2025 · 194 permits on file · (337) 534-0135
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Slant Operating LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Contango Resources, LLCJun 3, 2022 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,900
- total depth, ft
- 1
- permits on file
- Jun 3, 2022
- last permit issued
- Nov 10, 2022
- completed
- 1.6M
- cumulative oil, bbl
- 1.71M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 10, 2022
- Shut in
- —
- Plugged
- —
Surface location
32.005090, -102.384806
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Ector County.
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 10 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Gardendale 12-01 O-10-53452 | Spraberry (Trend Area) | Diamondback E&P LLC | 9 | 1.37M | 1.51M | Jun 2019 – Jul 2026 |
| Gardendale FF A O-10-59757 | Spraberry (Trend Area) | Slant Operating, LLC | 1 | 228K | 202K | Nov 2022 – Dec 2024 |
Oil, barrels lease total
Last 12 months 689,922 · prior 12 368,901(+87%)
Gas, mcf lease total
Last 12 months 908,740 · prior 12 311,831(+191%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1FDL Operating, LLCJun 2019 → Dec 2021
- 2Contango Resources, LLCJan 2022 → Nov 2022
- 3Slant Operating, LLCDec 2022 → Sep 2025
- 4Diamondback E&P LLCOct 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 880285-99 | Drill | Contango Resources, LLC | May 18, 2022 | Jun 3, 2022 | Jun 23, 2022 | 8,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-53452 | — | — | — | — |
| — | — O-10-59757 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,988 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaSANTA ROSA BASE | 1,687 | 1,301 |
| Yates | 3,124 | -136 |
| Seven Rivers | 3,385 | -397 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,948 | -1,960 |
| Glorieta | 6,118 | -3,130 |
| Clear ForkCLEARFORK | 7,195 | -4,207 |
| Spraberry | 7,773 | -4,785 |
| Grayburg | — | — |
| Holt | — | — |
| Queen | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,106 | 18,812 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,687 | 14.75 | 684 S |
| 7.625 | 7,831 | 9.875 | 387 S |
| 5.5 | 19,001 | 6.75 | 1,435 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 31, 2024 | Aug 14, 2024 | Yes |
| 00 | Oct 24, 2023 | Aug 3, 2023 | 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 42-135-43899 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-43899 → 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 neighbours, subsea-aligned so they line up regardless of surface terrain.
Gardendale 12-0142-135-44061
0.0 KM · Slant Operating, LLC · Section with this well →
| Santa Rosa | 1,697 | 1,267 |
| Yates | 3,120 | -156 |
| Seven Rivers | 3,373 | -409 |
| Queen | 3,675 | -711 |
| Grayburg | 4,010 | -1,046 |
| San Andres | 4,950 | -1,986 |
| Holt | 5,665 | -2,701 |
| Glorieta | 6,125 | -3,161 |
10 TOPS · FIRST 8
Gardendale 12-0142-135-44060
0.0 KM · Slant Operating, LLC · Section with this well →
| Santa Rosa | 1,697 | 1,267 |
| Yates | 3,120 | -156 |
| Seven Rivers | 3,373 | -409 |
| Queen | 3,450 | -486 |
| Grayburg | 3,974 | -1,010 |
| San Andres | 4,950 | -1,986 |
| Holt | 5,850 | -2,886 |
| Glorieta | 6,124 | -3,160 |
10 TOPS · FIRST 8
Gardendale 12-0142-135-44063
0.0 KM · Slant Operating, LLC · Section with this well →
| Santa Rosa | 1,292 | 1,672 |
| Santa Rosa | 1,691 | 1,273 |
| Yates | 3,114 | -150 |
| Seven Rivers | 3,367 | -403 |
| San Andres | 4,944 | -1,980 |
| Glorieta | 6,118 | -3,154 |
| Clear Fork | 7,189 | -4,225 |
| Grayburg | — |
10 TOPS · FIRST 8
Gardendale 12-0142-135-44066
0.5 KM · Slant Operating, LLC · Section with this well →
| Santa Rosa | 1,664 | 1,298 |
| Yates | 3,100 | -138 |
| Seven Rivers | 3,342 | -380 |
| Queen | 3,845 | -883 |
| Grayburg | 4,200 | -1,238 |
| San Andres | 4,924 | -1,962 |
| Holt | 5,550 | -2,588 |
| Glorieta | 6,135 | -3,173 |
10 TOPS · FIRST 8
Gardendale 12-0142-135-44067
0.5 KM · Slant Operating, LLC · Section with this well →
| Santa Rosa | 1,270 | 1,692 |
| Yates | 3,095 | -133 |
| Seven Rivers | 3,335 | -373 |
| Queen | 3,845 | -883 |
| Grayburg | 4,200 | -1,238 |
| San Andres | 4,915 | -1,953 |
| Holt | 5,550 | -2,588 |
| Glorieta | 6,125 | -3,163 |
10 TOPS · FIRST 8
Gardendale 12-0142-135-44068
0.5 KM · Slant Operating, LLC · Section with this well →
| Santa Rosa | 1,655 | 1,307 |
| Yates | 3,095 | -133 |
| Seven Rivers | 3,335 | -373 |
| Queen | 3,845 | -883 |
| Grayburg | 4,200 | -1,238 |
| San Andres | 4,915 | -1,953 |
| Holt | 5,550 | -2,588 |
| Glorieta | 6,125 | -3,163 |
10 TOPS · FIRST 8
Gardendale 121 13B42-135-43907
0.6 KM · Continental Resources, Inc. · Section with this well →
| San Andres | 6,084 | -3,113 |
| Clear Fork | 7,192 | -4,221 |
| Yates | — | |
| Tubb | — | |
| Seven Rivers | — | |
| Santa Rosa | — | |
| Queen | — | |
| Holt | — |
10 TOPS · FIRST 8
Gardendale 1201A42-135-44043
1.1 KM · Continental Resources, Inc. · Section with this well →
| Yates | 3,150 | -180 |
| San Andres | 5,115 | -2,145 |
| Queen | — | |
| Holt | — | |
| Seven Rivers | — | |
| Tubb | — | |
| Glorieta | — | |
| Clear Fork | — |
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/13543899, documented in the API reference.