WELL · 42-047-00275 · DISTRICT 4
Mariposa Field Gas Unit #C4
Brooks County · Mariposa (Vicksburg K-4 8200) field · Vertical
Mariposa Field Gas Unit #C4 (API 42-047-00275) is a well in Brooks County operated by Humble Oil & Refining CO., completed November 1, 1960.
The RRC has issued one drilling permit, issued July 19, 1985, permitted to 9,064 ft.
It was permitted by Exxon Corp. and has since transferred to Humble Oil & Refining CO. on the wellbore schedule.
Completion filings report 3 formation tops, including Vicksburg, Frio, Sand & Shale.
No lease production has been reported under this well’s leases.
It holds an active disposal or injection permit, with 28.8K barrels injected in the 12 months reported through January 2026.
Operator of record
Permitted by Exxon Corp.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Humble Oil & Refining Co. |
| Production reports | none |
| Latest permit | Exxon Corp.Jul 19, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,064
- total depth, ft
- 1
- permits on file
- Jul 19, 1985
- last permit issued
- Nov 1, 1960
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 1, 1960
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mariposa Field Gas Unit G-4-145376 | Mariposa (Vicksburg K-4 8200) | Merit Energy Company | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| — G-4-45153 | — | — | 0 | 0 | 0 | — |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 280523-99 | Recompletion | Exxon Corp. | Jul 10, 1985 | Jul 19, 1985 | — | 9,064 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-45153 | — | — | — | — |
| — | — G-4-145376 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 14 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,107 | 7,130 | Perforated |
| 7,107 | 8,250 | Perforated |
| 7,766 | 7,808 | Perforated |
| 7,766 | 8,250 | Perforated |
| 7,822 | 7,862 | Perforated |
| 7,870 | 7,908 | Perforated |
| 8,212 | 8,220 | Perforated |
| 8,215 | 8,236 | Perforated |
| 8,240 | 8,250 | Perforated |
| 8,762 | 8,770 | Perforated |
| 8,834 | 8,842 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,986 | 15 | 600 S |
| 2.5 | 8,555 | — | — |
| 5.5 | 9,064 | 7.875 | 1,400 S |
| 5.5 | 9,064 | — | 1,400 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 | Sep 3, 2013 | Jan 16, 2013 | — |
| 00 | Apr 21, 2005 | Dec 9, 2004 | — |
| 00 | Jul 14, 1999 | Dec 21, 1998 | — |
| 00 | Oct 6, 1997 | Sep 9, 1997 | — |
| 00 | Nov 15, 1996 | Jul 3, 1996 | — |
| 00 | Nov 13, 1995 | Aug 30, 1995 | — |
| 00 | Aug 27, 1993 | Apr 28, 1986 | — |
| 00 | Jun 4, 1993 | — | — |
| 00 | May 16, 1986 | Apr 28, 1986 | Yes |
| 00 | Jan 12, 1984 | Jul 30, 1976 | — |
| 00 | Jan 12, 1984 | Dec 20, 1968 | — |
| 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 42-047-00275 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-047-00275 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 28.8K
- bbl, last 12 reported months
- 1.34M
- bbl, all reported
- Jan 2026
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000060476 | H-1 Injection | Active | 10,000 | 3,420 | 6,840–8,255 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 28,841 · prior 12 29,711(-3%)
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/04700275, documented in the API reference.