WELL · 42-163-31900 · DISTRICT 1
Chiodo-Astro -A- #2
Frio County · Pearsall (Austin Chalk) field · Vertical
Chiodo-Astro -A- #2 (API 42-163-31900) is a plugged well in Frio County, plugged April 23, 1991, last operated by Union Pacific Resources Company.
The RRC has issued one drilling permit, issued December 22, 1980, permitted to 7,000 ft.
It was permitted by Dilley Production CO. and has since transferred to Union Pacific Resources Company on the wellbore schedule.
Its lease has reported 282 barrels of oil and 1 mcf of gas since January 1993, last reporting in July 1995. The lease carries 6 wells, so these are lease totals, not this well alone.
Operator of record
Union Pacific Resources Company
Permitted by Dilley Production Co.; the EWA schedule now lists a different operator.
Fort Worth, TX · P-5 Y, filed Feb 9, 2001 · 5,638 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Union Pacific Resources Company |
| Production reports | Union Pacific Resources Companythrough Mar 1993 |
| Latest permit | Dilley Production Co.Dec 22, 1980 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,000
- total depth, ft
- 1
- permits on file
- Dec 22, 1980
- last permit issued
- May 27, 1981
- completed
- 282
- cumulative oil, bbl
- 1
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 1995
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 27, 1981
- Shut in
- —
- Plugged
- Apr 23, 1991
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; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chiodo-Astro -A- O-1-6798 | Pearsall (Austin Chalk) | Union Pacific Resources Company | 6 | 282 | 1 | Jan 1993 – Jul 1995 |
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.
- 1Union Pacific Resources CompanyMar 1993 → Mar 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 103084-99 | Drill | Dilley Production Co. | Dec 22, 1980 | Dec 22, 1980 | — | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-6798 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,512 | 7,052 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 120 | 14.75 | 125 S |
| 2.875 | 6,330 | — | — |
| 7 | 6,375 | 9.875 | 1,800 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 | Jan 12, 1984 | Jun 5, 1981 | — |
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 42-163-31900 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-31900 → 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/16331900, documented in the API reference.