TEXAS · WELLS · ECTOR COUNTY · TXL NORTH UNIT LEASE · API 42-135-35609 · DISTRICT 7B
TXL North Unit #485
Ector County · TXL (Tubb) field · Producing · Vertical
Txl North Unit #485 (API 42-135-35609) is a well in Ector County operated by Formentera Operations LLC, completed August 27, 1997 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 1986 and 1987, permitted to 6,800 ft.
It was permitted by Shell Western E&P Inc. and has since transferred to Formentera Operations LLC on the wellbore schedule.
Completion filings report 9 formation tops, including Rustler, Yates, Seven Rivers, Queen.
Its lease has reported 13.9M barrels of oil and 40.3M mcf of gas since January 1993, last reporting in July 2026. The lease carries 496 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Shell Western E&P Inc.; the EWA schedule now lists a different operator.
- Based in
- Austin, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 11, 2026
- Permits on file
- 90
- Phone
- (512) 514-5779
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Formentera Operations LLC |
| Production reports | Formentera Operations LLCthrough Apr 2026 |
| Latest permit | Shell Western E&P Inc.Aug 13, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,800
- total depth, ft
- 2
- permits on file
- Aug 13, 1987
- last permit issued
- Aug 27, 1997
- completed
- 13.9M
- cumulative oil, bbl
- 40.3M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 27, 1997
- 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; they carry 496 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| TXL North Unit O-10-20487 | TXL (Tubb) | Formentera Operations LLC | 496 | 13.9M | 40.3M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 91,054 · prior 12 102,642(-11%)
Gas, mcf lease total
Last 12 months 257,591 · prior 12 276,773(-7%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Shell Western E&P Inc.Jan 1993 → Nov 1995
- 2Anadarko Petroleum CorporationDec 1995 → Mar 2007
- 3Apache CorporationApr 2007 → Jun 2021
- 4Slant Operating, LLCJul 2021 → Oct 2023
- 5Formentera Operations LLCNov 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 334258-99 | Drill | Shell Western E&P Inc. | Aug 10, 1987 | Aug 13, 1987 | — | 6,920 |
| 301677-99 | Drill | Shell Western E&P Inc. | Apr 25, 1986 | Apr 30, 1986 | — | 6,920 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 27, 1997 | TXL North Unit O-10-20487 | TXL (Tubb) | Formentera Operations LLC | Producing | 6,800 |
Formation tops
As filed on W-2/G-1. Subsea from 3,288 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 1,473 | 1,815 |
| Yates | 2,730 | 558 |
| Seven Rivers | 2,915 | 373 |
| Queen | 3,373 | -85 |
| San Andres | 4,077 | -789 |
| Clear ForkUPPER CLEARFORK 5600' | 5,393 | -2,105 |
| Tubb | 6,010 | -2,722 |
| Clear ForkLOWER CLEARFORK | 6,082 | -2,794 |
| Wichita-AlbanyWICHITA | 6,506 | -3,218 |
| Base Unit | 6,743 | -3,455 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,546 | 5,900 | Perforated |
| 5,546 | 6,626 | Perforated |
| 5,844 | 6,301 | Perforated |
| 6,043 | 6,301 | Perforated |
| 6,475 | 6,626 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 14 | 40 | — | — |
| 8.625 | 1,514 | — | 650 S |
| 8.625 | 1,515 | 12.25 | 650 S |
| 5.5 | 6,800 | 7.875 | 1,550 S |
| 5.5 | 6,800 | — | 1,650 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 | May 13, 1998 | Dec 19, 1997 | — |
| 00 | Jun 9, 1988 | May 18, 1988 | Yes |
| 00 | Jun 4, 1988 | — | — |
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 42-135-35609 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-35609 → 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.
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/13535609, documented in the API reference.