WELL · 42-071-31304 · DISTRICT 3
Wilcox Heirs #4
Chambers County · Trinity River Delta (F-14) field · Directional
Wilcox Heirs #4 (API 42-071-31304) is a plugged well in Chambers County, plugged July 20, 1999, last operated by Hamman Oil & Refining Company.
The RRC has issued 2 drilling permits between 1982 and 1987, permitted to 10,000 ft.
Completion filings report 3 formation tops, including Het Lime, Margulina, Frio.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 1, 2026
- Permits on file
- 359
- Phone
- (713) 526-7417
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hamman Oil & Refining Company |
| Production reports | Hamman Oil & Refining Companythrough Jul 1998 |
| Latest permit | Hamman Oil & Refg. Co.Jun 4, 1987 |
- 10,000
- total depth, ft
- 2
- permits on file
- Jun 4, 1987
- last permit issued
- Jun 10, 1983
- completed
- 0
- cumulative oil, bbl
- 385K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2000
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 10, 1983
- Shut in
- —
- Plugged
- Jul 20, 1999
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 |
|---|---|---|---|---|---|---|
| Wilcox Heirs G-3-124545 | Trinity River Delta (F-12) | Hamman Oil & Refining Company | 1 | 0 | 385K | Jan 1993 – Apr 2000 |
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.
- 1Hamman Oil & Refining CompanyJan 1993 → Jul 1998
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 330137-99 | Recompletion | Hamman Oil & Refg. Co. | May 12, 1987 | Jun 4, 1987 | — | 10,000 |
| 149011-99 | Drill | Hamman Oil & Refg. Co. | Jan 28, 1982 | Jan 28, 1982 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-124545 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 18 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Het Lime | 7,500 | -7,482 |
| Margulina | 8,006 | -7,988 |
| FrioTOP OF FRIO | 8,174 | -8,156 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,350 | 9,353 | Perforated |
| 9,600 | 9,608 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,183 | 14.375 | 1,820 S |
| 10.75 | 3,183 | 14.75 | 1,820 S |
| 2.375 | 9,559 | — | — |
| 5.5 | 10,060 | 9.875 | 1,300 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 | Aug 7, 1987 | Jul 9, 1987 | Yes |
| 00 | Jul 15, 1987 | — | — |
| 00 | Jan 12, 1984 | Nov 2, 1983 | — |
| 00 | Jan 12, 1984 | Jun 20, 1983 | — |
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 42-071-31304 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-071-31304 → 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/07131304, documented in the API reference.