WELL · 42-493-31452 · DISTRICT 1
Butler-Richter Unit #1
Wilson County · Sutil (Buda) field · Vertical
Butler-Richter Unit #1 (API 42-493-31452) is a plugged well in Wilson County, plugged May 14, 2008, last operated by Mark IV Energy.
The RRC has issued 2 drilling permits between 1983 and 1984, permitted to 6,536 ft.
Completion filings report 5 formation tops, including B/Wilcox, Poth "A", Austin Chalk, Eagle Ford.
Its lease has reported 3.86K barrels of oil and 294 mcf of gas since January 1993, last reporting in July 2008.
Operator of record
San Antonio, TX · P-5 Y, filed Apr 5, 2002 · 104 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mark IV Energy |
| Production reports | M IV Ops., Inc.through Dec 1996 |
| Latest permit | Mark IV EnergyAug 29, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,536
- total depth, ft
- 2
- permits on file
- Aug 29, 1984
- last permit issued
- Dec 27, 1983
- completed
- 3.86K
- cumulative oil, bbl
- 294
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 27, 1983
- Shut in
- —
- Plugged
- May 14, 2008
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 |
|---|---|---|---|---|---|---|
| Butler-Richter Unit O-1-10078 | Sutil (Austin) | Dewbre Petroleum Corporation | 1 | 3.86K | 294 | Jan 1993 – Jul 2008 |
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.
- 1Mark IV EnergyJan 1993 → Apr 1993
- 2M IV Ops., Inc.May 1993 → Dec 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 249949-99 | Recompletion | Mark IV Energy | Aug 29, 1984 | Aug 29, 1984 | — | 6,400 |
| 217958-99 | Drill | Mark IV Energy | Oct 19, 1983 | Oct 20, 1983 | Nov 29, 1983 | 6,536 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-10078 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 404 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| B/Wilcox | 3,860 | -3,456 |
| Poth "A" | 3,950 | -3,546 |
| Austin Chalk | 6,135 | -5,731 |
| Eagle FordEAGLEFORD SHALE | 6,384 | -5,980 |
| Buda | 6,438 | -6,034 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,344 | 6,363 | Perforated |
| 6,346 | 6,365 | Perforated |
| 6,442 | 6,536 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 758 | 12.25 | 265 S |
| 5.5 | 6,442 | 8.75 | 1,155 S |
| 5.5 | — | 8.75 | — |
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 12, 1997 | Jun 25, 1997 | — |
| 00 | Dec 31, 1984 | Oct 26, 1984 | — |
| 00 | Dec 20, 1984 | — | — |
| 00 | Jan 19, 1984 | Dec 30, 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 42-493-31452 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-493-31452 → 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
- 75.5K
- bbl, last 12 reported months
- 2.11M
- bbl, all reported
- Nov 2008
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000086256 | H-1 Injection | Plugged Jun 24, 2008 | 1,000 | 300 | 6,346–6,365 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 75,524 · prior 12 233,100(-68%)
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/49331452, documented in the API reference.