TEXAS · WELLS · SAN PATRICIO COUNTY · API 42-409-00476 · DISTRICT 04
Welder R. H. -B- #3D
San Patricio County · Sinton North field · Vertical
Welder R. H. -B- #3D (API 42-409-00476) is a well in San Patricio County operated by Dallas Petroleum Group LLC, completed November 1, 1979.
The RRC has issued one drilling permit, issued September 19, 1979, permitted to 7,506 ft.
It was permitted by Marathon Oil Company and has since transferred to Dallas Petroleum Group LLC on the wellbore schedule.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Marathon Oil Company; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 23, 2026
- Permits on file
- 19
- Phone
- (972) 770-0547
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Dallas Petroleum Group LLC |
| Production reports | none |
| Latest permit | Marathon Oil CompanySep 19, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,506
- total depth, ft
- 1
- permits on file
- Sep 19, 1979
- last permit issued
- Nov 1, 1979
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 1, 1979
- 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.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 58345-99 | Recompletion | Marathon Oil Company | Sep 19, 1979 | Sep 19, 1979 | — | 7,506 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 1, 1979 | Welder R. H. -B- O-4-7109 | Sinton North | Dallas Petroleum Group LLC | Not on Schedule | — |
| Nov 1, 1979 | Welder R. H. -B- O-4-7109 | Sinton North | Dallas Petroleum Group LLC | Not on Schedule | — |
| — | Welder R. H. -B- O-4-7597 | Sinton North (5650) | Marathon Oil Company | Not on Schedule | — |
| — | — O-4-2902 | Sinton North (4700 Sand) | Marathon Oil Company | Not on Schedule | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,944 | 3,062 | Perforated |
| — | 3,062 | Perforated |
| — | 4,721 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 734 | 15 | 525 S |
| 10.75 | 734 | — | — |
| 2.875 | 2,707 | — | — |
| 2 | 4,693 | — | — |
| 5.5 | 6,658 | 9.875 | 800 S |
| 5.5 | 6,658 | — | — |
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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 12, 1984 | Dec 10, 1979 | — |
| 00 | Jan 12, 1984 | Mar 10, 1970 | — |
| 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 42-409-00476 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-00476 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 320K
- bbl, last 12 reported months
- 426K
- bbl, all reported
- Apr 1984
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000004626 | W-14 Disposal | Plugged May 30, 1984 | 6,000 | 300 | 2,807–3,062 |
MONTHLY INJECTED, BBL · H-10 · LAST 14 REPORTED MONTHS
Last 12 months 320,453
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/40900476, documented in the API reference.