WELL · 42-427-33072 · DISTRICT 4
Coates #4
Starr County · Rincon N. (Jig) field · Vertical
Coates #4 (API 42-427-33072) is a plugged well in Starr County, plugged March 24, 2009, last operated by Xto Energy Inc..
The RRC has issued 2 drilling permits between 1998 and 1999, permitted to 6,000 ft.
It was permitted by Tri-C Resources, Inc. and has since transferred to Xto Energy Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Frio, Vicksburg.
Its 2 leases have reported 16.8K barrels of oil and 177K mcf of gas since January 1998, last reporting in December 2009. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Tri-C Resources, Inc.; the EWA schedule now lists a different operator.
Spring, TX · P-5 Y, filed Feb 4, 2026 · 16,153 permits on file · (832) 625-1100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | XTO Energy Inc. |
| Production reports | Dominion Expl. & Prod., Inc.through Sep 2001 |
| Latest permit | Tri-C Resources, Inc.Apr 6, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,000
- total depth, ft
- 2
- permits on file
- Apr 6, 1999
- last permit issued
- Jan 26, 1998
- completed
- 16.8K
- cumulative oil, bbl
- 177K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1998 THROUGH Dec 2009
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 26, 1998
- Shut in
- —
- Plugged
- Mar 24, 2009
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Coates G-4-172415 | Rincon, North (F-30) | XTO Energy Inc. | 1 | 0 | 136K | Mar 1999 – Dec 2009 |
| Coates O-4-12751 | Rincon, N. (Jig) | XTO Energy Inc. | 1 | 16.8K | 40.6K | Jan 1998 – Aug 2009 |
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.
- 1Tri-C Resources, Inc.Jan 1998 → Feb 2000
- 2CNG Producing CompanyMar 2000 → May 2000
- 3Dominion Expl. & Prod., Inc.Jun 2000 → Sep 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 483699-99 | Recompletion | Tri-C Resources, Inc. | Apr 6, 1999 | Apr 6, 1999 | Mar 24, 1999 | 5,365 |
| 471933-99 | Drill | Tri-C Resources, Inc. | Jan 7, 1998 | Jan 7, 1998 | Jan 15, 1998 | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-172415 | — | — | — | — |
| — | — O-4-12751 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 417 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,078 | 5,084 | Perforated |
| 5,414 | 5,420 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,087 | 12.25 | 460 S |
| 2.875 | 5,613 | 7.875 | 605 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 1, 1999 | Apr 8, 1999 | Yes |
| 00 | Apr 13, 1999 | — | — |
| 00 | Apr 28, 1998 | Feb 9, 1998 | Yes |
| 00 | Apr 9, 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 42-427-33072 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-33072 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/42733072, documented in the API reference.