WELL · 42-135-08349 · DISTRICT 8
East Cowden Grayburg Unit #16
Ector County · Horizontal
East Cowden Grayburg Unit #16 (API 42-135-08349) is a permitted horizontal well in Ector County filed by Encore Operating, L.P.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 1998 and 2003, permitted to 4,437 ft.
Completion filings report 2 formation tops, including Queen, Grayburg.
Its lease has reported 10.4M barrels of oil and 3.6M mcf of gas since January 1993, last reporting in July 2026. The lease carries 92 wells, so these are lease totals, not this well alone.
Operator of record
Plano, TX · P-5 Y, filed Dec 4, 2025 · 615 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Basin Oil & Gas Operating, LLCthrough Apr 2026 |
| Latest permit | Encore Operating, L.P.Nov 19, 2003 |
- 4,437
- total depth, ft
- 2
- permits on file
- Nov 19, 2003
- last permit issued
- —
- completed
- 10.4M
- cumulative oil, bbl
- 3.6M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 92 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| East Cowden (Grayburg) Unit O-10-22927 | Cowden, North | Basin Oil & Gas Operating, LLC | 92 | 10.4M | 3.6M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 42,180 · prior 12 44,814(-6%)
Gas, mcf lease total
Last 12 months 14,805 · prior 12 19,309(-23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Conoco Inc.Jan 1993 → Dec 2001
- 2Encore Operating, L.P.Jan 2002 → Aug 2010
- 3Quantum Resources Management,llcSep 2010 → Dec 2014
- 4Breitburn Operating L.P.Jan 2015 → Jan 2020
- 5Vaquero Hunter Inc.Feb 2020 → Sep 2023
- 6Vaquero Permian, LLCOct 2023 → Mar 2024
- 7Basin Oil & Gas Operating, LLCApr 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 537805-99 | Recompletion | Encore Operating, L.P. | Oct 22, 2003 | Nov 19, 2003 | Dec 30, 2003 | 4,437 |
| 477194-99 | Drill | Conoco Inc. | Jun 15, 1998 | Jun 24, 1998 | — | 4,425 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-22927 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,055 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,287 | 5,950 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 186 | — | 100 S |
| 7 | 4,135 | — | 300 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 | Jul 23, 2004 | Jan 22, 2004 | Yes |
| 00 | Jan 12, 1984 | — | — |
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 42-135-08349 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-08349 → 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/13508349, documented in the API reference.