WELL · 42-297-35798 · DISTRICT 2
Coffin-Sargent Unit #1
Live Oak County · Mt. Lucas (Hockley Up.) field · Vertical
Coffin-Sargent Unit #1 (API 42-297-35798) is a well in Live Oak County operated by Welder Exploration & Prod. Inc., completed January 23, 2016.
The RRC has issued one drilling permit (amended once), issued October 2, 2015, permitted to 6,000 ft.
Completion filings report 12 formation tops, including Frio, Hockley, Hockley - Disposal, Jackson.
Its 2 leases have reported 311 barrels of oil and 12.3K mcf of gas since January 2016, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Welder Exploration & Prod. Inc.
San Antonio, TX · P-5 Y, filed Dec 1, 2023 · 346 permits on file · (210) 601-1249
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Welder Exploration & Prod. Inc. |
| Production reports | Welder Exploration & Prod., Inc.through Sep 2019 |
| Latest permit | Welder Exploration & Prod., Inc.Oct 2, 2015 |
- 6,000
- total depth, ft
- 2
- permits on file
- Oct 2, 2015
- last permit issued
- Jan 23, 2016
- completed
- 311
- cumulative oil, bbl
- 12.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2016 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 23, 2016
- 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 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 |
|---|---|---|---|---|---|---|
| Coffin-Sargent Unit G-2-284422 | Mt. Lucas (Hockley, Up.) | Welderxp Ltd. | 1 | 0 | 42 | Apr 2017 – Jul 2026 |
| Coffin-Sargent Unit O-2-11208 | Mt. Lucas (Hockley, Up.) | Welder Exploration & Prod., Inc. | 1 | 311 | 12.3K | Jan 2016 – Aug 2018 |
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.
- 1Welder Exploration & Prod., Inc.Feb 2016 → Sep 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 810821-98 | Drill | Welder Exploration & Prod., Inc. | Mar 7, 2016 | Oct 2, 2015 | Dec 13, 2015 | 6,000 |
| 810821-99 | Drill | Welder Exploration & Prod., Inc. | Sep 30, 2015 | Oct 2, 2015 | Dec 13, 2015 | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-284422 | — | — | — | — |
| — | — O-2-11208 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 121 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Frio | 2,200 | -2,079 |
| FrioFRIO - DISPOSAL | 2,200 | -2,079 |
| Hockley | 4,400 | -4,279 |
| Hockley - Disposal | 4,400 | -4,279 |
| JacksonJACKSON-YEGUA - DISPOSAL | 5,400 | -5,279 |
| Yegua | 5,400 | -5,279 |
| Austin Chalk | — | — |
| Cook Mountain | — | — |
| Eagle FordEAGLE FORD - H2S | — | — |
| EdwardsEDWARDS - H2S | — | — |
| Queen City | — | — |
| SligoSLIGO - H2S | — | — |
| Wilcox | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,420 | 4,440 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 888 | 12.25 | 410 S |
| 4.5 | 5,600 | 7.875 | 685 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 | Aug 13, 2018 | Jun 26, 2018 | Yes |
| 00 | Jun 10, 2016 | Jun 7, 2016 | Yes |
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 42-297-35798 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-297-35798 → 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/29735798, documented in the API reference.