TEXAS · WELLS · ECTOR COUNTY · EL SAPO "16" LEASE · API 42-135-37538 · DISTRICT 7B
El Sapo 16 #1
Ector County · Goldsmith East (Queen) field · Vertical
El Sapo 16 #1 (API 42-135-37538) is a plugged well in Ector County, plugged July 23, 2023, last operated by Xto Energy Inc..
The RRC has issued one drilling permit (amended twice), issued September 4, 1997, permitted to 4,100 ft.
It was permitted by Texaco E & P Inc. and has since transferred to Xto Energy Inc. on the wellbore schedule.
Completion filings report one formation top, including Queen.
Its lease has reported 387 barrels of oil and 815K mcf of gas since October 1997, with no volume in the three years through April 2026.
Operator of record
Permitted by Texaco E & P Inc.; the EWA schedule now lists a different operator.
- Based in
- Spring, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Apr 8, 2026
- Permits on file
- 16,156
- Phone
- (346) 502-1572
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | XTO Energy Inc. |
| Production reports | XTO Energy Inc.through Mar 2007 |
| Latest permit | Texaco E & P Inc.Sep 4, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,100
- total depth, ft
- 3
- permits on file
- Sep 4, 1997
- last permit issued
- Oct 18, 1997
- completed
- 387
- cumulative oil, bbl
- 815K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1997 THROUGH Mar 2007
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 18, 1997
- Shut in
- —
- Plugged
- Jul 23, 2023
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 |
|---|---|---|---|---|---|---|
| El Sapo "16" G-10-166517 | Goldsmith, East (Queen) | XTO Energy Inc. | 1 | 387 | 815K | Oct 1997 – Mar 2007 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Texaco E & P Inc.Oct 1997 → May 2002
- 2Chevron U. S. A. Inc.Jun 2002 → Jul 2004
- 3XTO Energy Inc.Aug 2004 → Mar 2007
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 467120-97 | Drill | Texaco E & P Inc. | Nov 5, 1997 | Sep 4, 1997 | — | 4,100 |
| 467120-98 | Drill | Texaco E & P Inc. | Sep 19, 1997 | Sep 4, 1997 | Oct 3, 1997 | 4,100 |
| 467120-99 | Drill | Texaco E & P Inc. | Sep 4, 1997 | Sep 4, 1997 | — | 4,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 18, 1997 | El Sapo 16 G-10-166517 | Goldsmith East (Queen) | XTO Energy Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,122 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen | 3,982 | -860 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,982 | 3,998 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,545 | 11 | 1,085 S |
| 5.5 | 4,100 | 7.875 | 485 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 | Feb 26, 1998 | Dec 11, 1997 | Yes |
| 00 | Feb 13, 1998 | — | — |
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 42-135-37538 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-37538 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here 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/13537538, documented in the API reference.