WELL · 42-507-30971 · DISTRICT 1
Johnson B. K. #12
Zavala County · Laguna (San Miguel) field · Vertical
Johnson B. K. #12 (API 42-507-30971) is a plugged well in Zavala County, plugged December 4, 1990, last operated by Chaparrosa Oil Company.
The RRC has issued 2 drilling permits between 1978 and 1984, permitted to 2,600 ft.
Completion filings report 3 formation tops, including Escondido, Olmos, San Miguel.
Operator of record
San Antonio, TX · P-5 Y, filed Dec 13, 1985 · 33 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chaparrosa Oil Company |
| Production reports | none |
| Latest permit | Chaparrosa Oil CompanyOct 3, 1984 |
- 2,600
- total depth, ft
- 2
- permits on file
- Oct 3, 1984
- last permit issued
- Apr 3, 1978
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 3, 1978
- Shut in
- —
- Plugged
- Dec 4, 1990
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 |
|---|---|---|---|---|---|---|
| — G-1-112911 | — | — | 0 | 0 | 0 | — |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 253439-99 | Recompletion | Chaparrosa Oil Company | Sep 27, 1984 | Oct 3, 1984 | — | 2,144 |
| 20010-99 | Drill | Chaparrosa Oil Company | Mar 14, 1978 | Mar 14, 1978 | — | 2,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-112911 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 691 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Escondido | 975 | -284 |
| Olmos | 1,554 | -863 |
| San Miguel | 1,760 | -1,069 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,668 | 1,672 | Perforated |
| 2,075 | 2,078 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 767 | 12.25 | 400 S |
| 2.375 | 2,050 | — | — |
| 4.5 | 2,143 | 7.875 | 580 S |
| 4.5 | 2,195 | 7.875 | 850 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 | Oct 29, 1984 | Aug 24, 1984 | — |
| 00 | Oct 13, 1984 | Aug 7, 1984 | — |
| 00 | Jan 12, 1984 | May 31, 1978 | — |
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 42-507-30971 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-30971 → 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/50730971, documented in the API reference.