WELL · 42-135-39478 · DISTRICT 8
Andy #20
Ector County · Sallie Ann (Spraberry-Wolfcamp) field · Vertical
Andy #20 (API 42-135-39478) is a well in Ector County operated by Fdl Operating LLC, completed May 17, 2008.
The RRC has issued 2 drilling permits between 2008 and 2018, permitted to 11,000 ft.
Completion filings report 15 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its 3 leases have reported 2.51M barrels of oil and 8.72M mcf of gas since January 2008, last reporting in July 2026. The leases carry 73 wells, so these are lease totals, not this well alone.
Operator of record
Judson, TX · P-5 Y, filed Jul 7, 2023 · 182 permits on file · (800) 773-1203
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | FDL Operating LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | FDL Operating, LLCMay 16, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 2
- permits on file
- May 16, 2018
- last permit issued
- May 17, 2008
- completed
- 2.51M
- cumulative oil, bbl
- 8.72M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 17, 2008
- Shut in
- —
- Plugged
- —
Surface location
31.781271, -102.336187
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 3 leases this well is completed on; they carry 73 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Andy O-10-50914 | Spraberry (Trend Area) | Diamondback E&P LLC | 32 | 264K | 2.22M | Sep 2017 – Jul 2026 |
| Andy O-10-38651 | Sallie Ann (Spraberry-Wolfcamp) | FDL Operating, LLC | 32 | 1.72M | 5.72M | Jan 2008 – Mar 2019 |
| Aunt Bee O-10-39032 | Sallie Ann (Spraberry-Wolfcamp) | Devon Energy Production Co, L.P. | 9 | 525K | 777K | May 2008 – Dec 2012 |
Oil, barrels lease total
Last 12 months 9,917 · prior 12 12,180(-19%)
Gas, mcf lease total
Last 12 months 42,558 · prior 12 74,830(-43%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Keystone Petroleum GP LLCJan 2008 → Oct 2008
- 2Devon Energy Production Co, L.P.Nov 2008 → Jul 2016
- 3FDL Operating, LLCAug 2016 → Jun 2019
- 4Firebird Energy LLCJul 2019 → Nov 2022
- 5Diamondback E&P LLCDec 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 839989-99 | Field transfer | FDL Operating, LLC | May 12, 2018 | May 16, 2018 | May 16, 2008 | 10,225 |
| 657298-99 | Drill | Keystone Petroleum GP LLC | Mar 13, 2008 | Mar 25, 2008 | Apr 8, 2008 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-38651 | — | — | — | — |
| — | — O-10-39032 | — | — | — | — |
| — | — O-10-50914 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,861 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaSANTA ROSA BASE | 1,450 | 1,411 |
| Yates | 3,000 | -139 |
| Seven Rivers | 3,970 | -1,109 |
| Queen | 4,370 | -1,509 |
| Grayburg | 4,400 | -1,539 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,600 | -1,739 |
| Holt | 5,200 | -2,339 |
| Glorieta | 5,900 | -3,039 |
| Tubb | 6,100 | -3,239 |
| Wichita-AlbanyWICHITA ALBANY | 7,000 | -4,139 |
| Clear ForkCLEARFORK | 7,081 | -4,220 |
| Spraberry | 7,883 | -5,022 |
| Dean | 8,984 | -6,123 |
| Wolfcamp | 9,079 | -6,218 |
| Strawn | 10,160 | -7,299 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,174 | 10,020 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,500 | 12.25 | 650 S |
| 5.5 | 10,225 | 8.75 | 1,600 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 | Feb 12, 2019 | Jan 7, 2019 | Yes |
| 00 | Aug 24, 2012 | Oct 27, 2008 | Yes |
| 00 | Feb 10, 2009 | Oct 27, 2008 | Yes |
| 00 | Jan 20, 2009 | — | — |
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 42-135-39478 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-39478 → 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.
Aunt Bee42-135-40151
0.3 KM · FDL Operating, LLC · Section with this well →
| San Andres | 4,698 | -1,839 |
| Spraberry | 7,421 | -4,562 |
| Wolfcamp | 9,112 | -6,253 |
| Strawn | 10,160 | -7,301 |
Aunt Bee42-135-40002
0.3 KM · FDL Operating, LLC · Section with this well →
| San Andres | 4,835 | -1,973 |
| Spraberry | 8,505 | -5,643 |
| Wolfcamp | 9,821 | -6,959 |
| Strawn | 10,160 | -7,298 |
Aunt Bee42-135-40678
0.4 KM · FDL Operating, LLC · Section with this well →
| Clear Fork | 7,559 | -4,697 |
| Dean | 9,009 | -6,147 |
| Wolfcamp | 9,113 | -6,251 |
| Strawn | 10,160 | -7,298 |
Aunt Bee42-135-40146
0.6 KM · FDL Operating, LLC · Section with this well →
| San Andres | 4,961 | -2,096 |
| Spraberry | 8,582 | -5,717 |
| Wolfcamp | 9,857 | -6,992 |
| Strawn | 10,160 | -7,295 |
Aunt Bee42-135-40693
0.7 KM · FDL Operating, LLC · Section with this well →
| Clear Fork | 7,271 | -4,406 |
| Clear Fork | 7,271 | -4,406 |
| Dean | 9,020 | -6,155 |
| Wolfcamp | 9,732 | -6,867 |
| Strawn | 10,160 | -7,295 |
Aunt Bee42-135-40145
0.7 KM · FDL Operating, LLC · Section with this well →
| Spraberry | 7,449 | -4,589 |
| Clear Fork | 8,052 | -5,192 |
| Clear Fork | 8,052 | -5,192 |
| Wolfcamp | 9,134 | -6,274 |
| Strawn | 10,160 | -7,300 |
Aunt Bee42-135-40692
0.7 KM · FDL Operating, LLC · Section with this well →
| Clear Fork | 7,251 | -4,392 |
| Clear Fork | 7,251 | -4,392 |
| Wolfcamp | 9,113 | -6,254 |
| Upper Wolcamp | 9,113 | -6,254 |
| Wolfcamp | 9,730 | -6,871 |
| Strawn | 10,160 | -7,301 |
Aunt Bee42-135-39999
0.8 KM · FDL Operating, LLC · Section with this well →
| San Andres | 4,950 | -2,084 |
| Spraberry | 7,449 | -4,583 |
| Wolfcamp | 9,397 | -6,531 |
| Wolfcamp | 9,397 | -6,531 |
| Strawn | 10,160 | -7,294 |
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/13539478, documented in the API reference.