TEXAS · WELLS · MATAGORDA COUNTY · PIERCE, J.P. ESTATE LEASE · API 42-321-31510 · DISTRICT 03
Pierce J.P. Estate #1
Matagorda County · Palacios (Frio -A-) field · Vertical
Pierce J.P. Estate #1 (API 42-321-31510) is a plugged well in Matagorda County, plugged January 4, 1999, last operated by Unit Petroleum Company.
The RRC has issued one drilling permit (amended once), issued May 8, 1986, permitted to 10,000 ft.
It was permitted by Mitchell Energy Corporation and has since transferred to Unit Petroleum Company on the wellbore schedule.
Completion filings report one formation top, including Frio.
Its lease has reported 10.3K barrels of oil and 15K mcf of gas since January 1993, with no volume in the three years through April 2026.
Operator of record
Permitted by Mitchell Energy Corporation; the EWA schedule now lists a different operator.
- Based in
- Tulsa, OK
- P-5 status
- Active (A)
- P-5 last filed
- Jan 13, 2025
- Permits on file
- 1,100
- Phone
- (918) 493-7700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unit Petroleum Company |
| Production reports | Unit Petroleum Companythrough Jun 1998 |
| Latest permit | Mitchell Energy CorporationMay 8, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 2
- permits on file
- May 8, 1986
- last permit issued
- Sep 18, 1986
- completed
- 10.3K
- cumulative oil, bbl
- 15K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 1998
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 18, 1986
- Shut in
- —
- Plugged
- Jan 4, 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pierce, J.P. Estate O-3-19457 | Palacios (Frio -A-) | Unit Petroleum Company | 1 | 10.3K | 15K | Jan 1993 – Jun 1998 |
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.
- 1Mitchell Energy CorporationJan 1993 → Jan 1995
- 2Shana Petroleum CompanyFeb 1995 → Jul 1996
- 3Unit Petroleum CompanyAug 1996 → Jun 1998
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 301937-98 | Drill | Mitchell Energy Corporation | Sep 15, 1986 | May 8, 1986 | — | 10,000 |
| 301937-99 | Drill | Mitchell Energy Corporation | May 8, 1986 | May 8, 1986 | May 25, 1986 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 18, 1986 | Pierce J.P. Estate O-3-19457 | Palacios (Frio -A-) | Unit Petroleum Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 39 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,850 | 7,862 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,017 | 12.5 | 744 S |
| 5.5 | 9,159 | 8.75 | 735 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 7, 1987 | Oct 21, 1986 | Yes |
| 00 | Dec 30, 1986 | — | — |
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 42-321-31510 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-31510 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/32131510, documented in the API reference.