WELL · 42-131-38740 · DISTRICT 4
Welder 385 #1
Duval County · Seven Sisters East ( 9500) field · Producing · Vertical
Welder 385 #1 (API 42-131-38740) is a well in Duval County operated by Columbus Energy LLC, completed January 6, 2005 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued September 15, 2004, permitted to 15,800 ft.
It was permitted by Newfield Exploration Company and has since transferred to Columbus Energy LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Wilcox, House, House 8.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Newfield Exploration Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Apr 4, 2026 · 51 permits on file · (956) 722-5238
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Columbus Energy LLC |
| Production reports | Columbus Energy, LLCthrough Apr 2026 |
| Latest permit | Newfield Exploration CompanySep 15, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,800
- total depth, ft
- 2
- permits on file
- Sep 15, 2004
- last permit issued
- Jan 6, 2005
- completed
- 0
- cumulative oil, bbl
- 803K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 6, 2005
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 |
|---|---|---|---|---|---|---|
| Welder 385 G-4-210308 | Seven Sisters, East ( 9500) | Columbus Energy, LLC | 1 | 0 | 803K | Apr 2005 – Jul 2026 |
Gas, mcf lease total
Last 12 months 16,277 · prior 12 17,616(-8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Newfield Exploration CompanyApr 2005 → Aug 2007
- 2Smith Operating and Mgmt Co.Oct 2007 → Aug 2019
- 3Lakeshore Operating, LLCSep 2019 → May 2022
- 4Columbus Energy, LLCJun 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 551024-97 | Drill | Newfield Exploration Company | Dec 6, 2004 | Sep 15, 2004 | Sep 22, 2004 | 15,800 |
| 551024-99 | Drill | Camden Oil & Gas, Inc. | Sep 15, 2004 | Sep 15, 2004 | — | 15,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-210308 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 521 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 8,071 | -7,550 |
| House | 11,467 | -10,946 |
| House 8 | 12,300 | -11,779 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,570 | 9,590 | Perforated |
| 9,698 | 9,706 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 3,035 | 17.5 | 2,360 S |
| 9.625 | 9,100 | 12.25 | 670 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 | Nov 3, 2005 | May 18, 2005 | Yes |
| 00 | Aug 31, 2005 | — | — |
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 42-131-38740 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-38740 → 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/13138740, documented in the API reference.