WELL · 42-013-32223 · DISTRICT 1
Marbach #1
Atascosa County · Shaw field · Vertical
Marbach #1 (API 42-013-32223) is a well in Atascosa County operated by M K M Oil, completed March 31, 1984.
The RRC has issued one drilling permit, issued August 26, 1983, permitted to 1,800 ft.
It was permitted by El Dorado Oil & Gas Inc. and has since transferred to M K M Oil on the wellbore schedule.
Completion filings report 3 formation tops, including Wilcox, Lit, Olmos.
Its lease has reported 1.71K barrels of oil and 21 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by EL Dorado Oil & Gas Inc.; the EWA schedule now lists a different operator.
Devine, TX · P-5 Y, filed Jun 8, 2007
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | M K M Oil |
| Production reports | Calfas Oil, LLCthrough Apr 2026 |
| Latest permit | EL Dorado Oil & Gas Inc.Aug 26, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 1,800
- total depth, ft
- 1
- permits on file
- Aug 26, 1983
- last permit issued
- Mar 31, 1984
- completed
- 1.71K
- cumulative oil, bbl
- 21
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 31, 1984
- 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 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 |
|---|---|---|---|---|---|---|
| Marbach O-1-10819 | Somerset | Calfas Oil, LLC | 1 | 1.71K | 21 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 11 · prior 12 34(-68%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1M K M OilJan 1993 → Sep 2002
- 2WSMJul 2010 → May 2019
- 3Petrosaurus, Inc.Nov 2019 → Aug 2021
- 4Blackjack Operating L. L. C.Sep 2022 → Oct 2023
- 5Calfas Oil, LLCNov 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 207983-99 | Drill | EL Dorado Oil & Gas Inc. | Aug 22, 1983 | Aug 26, 1983 | — | 1,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-10819 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,700 | 1,762 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 4.5 | 1,797 | 6.75 | 245 sx |
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 | Mar 12, 1986 | Jul 12, 1984 | — |
| 00 | Jan 25, 1986 | — | — |
| 00 | Aug 30, 1984 | Jul 12, 1984 | — |
| 00 | Aug 29, 1984 | Jul 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 42-013-32223 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-013-32223 → 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/01332223, documented in the API reference.