TEXAS · WELLS · BEXAR COUNTY · API 42-029-35680 · DISTRICT 01
Cadena/Klemcke Unit #4
Bexar County · Somerset field · Vertical
Cadena/Klemcke Unit #4 (API 42-029-35680) is a plugged well in Bexar County, plugged August 22, 2006, last operated by Aminex USA Inc..
The RRC has issued one drilling permit, issued August 6, 1984, permitted to 2,000 ft.
It was permitted by El Dorado Oil & Gas Inc. and has since transferred to Aminex USA Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Lit, Olmos.
Its 2 leases have reported 8.51K barrels of oil and 25 mcf of gas since January 1993, last reporting in March 2008. The leases carry 20 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by El Dorado Oil & Gas Inc.; the EWA schedule now lists a different operator.
- Based in
- Somerset, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Jan 30, 2014
- Permits on file
- 18
- Phone
- (210) 271-9919
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | El Dorado Oil & Gas Inc. |
| Production reports | Aminex USA, Inc.through Feb 2003 |
| Latest permit | El Dorado Oil & Gas Inc.Aug 6, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,000
- total depth, ft
- 1
- permits on file
- Aug 6, 1984
- last permit issued
- Feb 3, 1998
- completed
- 8.51K
- cumulative oil, bbl
- 25
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 3, 1998
- Shut in
- —
- Plugged
- Aug 22, 2006
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; they carry 20 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Klemcke, Cadena -A- O-1-11010 | Somerset | Aminex USA, Inc. | 9 | 7.99K | 20 | Jan 1993 – Mar 2008 |
| Cadena/Klemcke Unit O-1-8629 | Somerset | Aminex USA, Inc. | 11 | 522 | 5 | Jan 1993 – Oct 2006 |
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.
- 1Caspen Operating CompanyJan 1993 → Sep 1993
- 2Aminex USA, Inc.Oct 1993 → Feb 2003
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 247425-99 | Drill | El Dorado Oil & Gas Inc. | Aug 3, 1984 | Aug 6, 1984 | — | 2,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 3, 1998 | Klemcke Cadena -A- O-1-11010 | Somerset | Aminex USA Inc. | Plugged | — |
| Feb 3, 1998 | Cadena/Klemcke Unit O-1-8629 | Somerset | Aminex USA Inc. | Plugged | — |
| Sep 17, 1984 | Klemcke Cadena -A- O-1-9973 | Von Ormy | El Dorado Oil & Gas Inc. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,506 | 1,546 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 4.5 | 1,591 | 6.75 | 208 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 | May 3, 2002 | Feb 12, 1998 | — |
| 00 | Mar 13, 1998 | Feb 12, 1998 | — |
| 00 | Mar 12, 1986 | Oct 16, 1984 | — |
| 00 | Jan 25, 1986 | — | — |
| 00 | Oct 25, 1984 | Oct 16, 1984 | — |
| 00 | Oct 24, 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 42-029-35680 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-029-35680 → 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
- 0
- bbl, last 12 reported months
- 1.6K
- bbl, all reported
- Dec 1998
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000077137 | H-1 Injection | Plugged Sep 18, 2006 | 100 | 750 | 1,506–1,546 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/02935680, documented in the API reference.