WELL · 42-013-34077 · DISTRICT 1
Mallard #4
Atascosa County · Pearsall (Austin Chalk) field · Vertical
Mallard #4 (API 42-013-34077) is a plugged well in Atascosa County, plugged February 8, 1999, last operated by Pedeco Inc..
The RRC has issued one drilling permit, issued February 25, 1997, permitted to 6,500 ft.
Completion filings report 6 formation tops, including Olmos, Anachaco, Austin Chalk, Eagle Ford.
Its lease has reported 745 barrels of oil since August 1997, last reporting in June 1999. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Casper, WY
- P-5 status
- Inactive (I)
- P-5 last filed
- Sep 30, 2004
- Permits on file
- 170
- Phone
- (307) 237-0864
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pedeco Inc. |
| Production reports | Pedeco, Inc.through Nov 1998 |
| Latest permit | Pedeco, Inc.Feb 25, 1997 |
- 6,500
- total depth, ft
- 1
- permits on file
- Feb 25, 1997
- last permit issued
- May 19, 1997
- completed
- 745
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 1997 THROUGH Jun 1999
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 19, 1997
- Shut in
- —
- Plugged
- Feb 8, 1999
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mallard O-1-14120 | Pearsall (Austin Chalk) | Pedeco, Inc. | 3 | 745 | 0 | Aug 1997 – Jun 1999 |
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.
- 1Pedeco, Inc.Oct 1997 → Nov 1998
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 459100-99 | Drill | Pedeco, Inc. | Feb 25, 1997 | Feb 25, 1997 | Mar 8, 1997 | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-14120 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 533 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Olmos | 3,970 | -3,437 |
| Anachaco | 4,800 | -4,267 |
| Austin Chalk | 5,070 | -4,537 |
| Eagle FordEAGLEFORD | 5,330 | -4,797 |
| Buda | 5,434 | -4,901 |
| Del Rio | 5,526 | -4,993 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,339 | 5,350 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 717 | 12.25 | 255 S |
| 8.75 | 6,409 | 8.75 | 510 S |
| 8.75 | — | 8.75 | 705 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 26, 1997 | Aug 14, 1997 | Yes |
| 00 | Aug 18, 1997 | — | — |
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 42-013-34077 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-013-34077 → 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/01334077, documented in the API reference.