WELL · 42-507-32243 · DISTRICT 1
Kiefer Chester #12
Zavala County · Kiefer Ranch (Taylor) field · Vertical
Kiefer Chester #12 (API 42-507-32243) is a plugged well in Zavala County, plugged January 24, 2011, last operated by Regency Energy Inc..
The RRC has issued one drilling permit, issued March 15, 1989, permitted to 1,200 ft.
It was permitted by Rome Exploration CO, Inc. and has since transferred to Regency Energy Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Wilcox, Navarro, Taylor.
Operator of record
Permitted by Rome Exploration Co, Inc.; the EWA schedule now lists a different operator.
Crystal City, TX · P-5 Y, filed Oct 4, 2025 · 16 permits on file · (830) 374-9000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Regency Energy Inc. |
| Production reports | none |
| Latest permit | Rome Exploration Co, Inc.Mar 15, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 1,200
- total depth, ft
- 1
- permits on file
- Mar 15, 1989
- last permit issued
- Apr 20, 1989
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2011
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 20, 1989
- Shut in
- —
- Plugged
- Jan 24, 2011
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 |
|---|---|---|---|---|---|---|
| Kiefer, Chester G-1-130984 | Kiefer Ranch (Taylor) | Regency Energy, Inc. | 1 | 0 | 0 | Jan 1993 – Jan 2011 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 357084-99 | Drill | Rome Exploration Co, Inc. | Mar 15, 1989 | Mar 15, 1989 | — | 1,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-130984 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 580 | 584 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 6.625 | 140 | 9.625 | 40 S |
| 2.875 | 686 | 5.625 | 130 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 4, 1989 | Jun 16, 1989 | Yes |
| 00 | Jul 28, 1989 | Jun 16, 1989 | — |
| 00 | Jun 28, 1989 | — | — |
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 42-507-32243 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-32243 → 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/50732243, documented in the API reference.