WELL · 42-321-31818 · DISTRICT 3
Pierce Estate #4
Matagorda County · Sugar Valley (Frio 9 000) field · Vertical
Pierce Estate #4 (API 42-321-31818) is a plugged well in Matagorda County, plugged October 13, 2007, last operated by Cypress Production Inc..
The RRC has issued one drilling permit (amended once), issued April 13, 2000, permitted to 9,500 ft.
It was permitted by Aspect Resources LLC and has since transferred to Cypress Production Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Anahuac, Frio.
Operator of record
Permitted by Aspect Resources LLC; the EWA schedule now lists a different operator.
Azle, TX · P-5 Y, filed Apr 4, 2026 · 23 permits on file · (817) 475-5665
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cypress Production Inc. |
| Production reports | Shidler, Mark L., Inc.through Sep 2004 |
| Latest permit | Aspect Resources LLCApr 13, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 2
- permits on file
- Apr 13, 2000
- last permit issued
- Jul 1, 2000
- completed
- 0
- cumulative oil, bbl
- 2.45M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2000 THROUGH Jun 2013
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 1, 2000
- Shut in
- —
- Plugged
- Oct 13, 2007
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 Estate G-3-177936 | Sugar Valley (Frio 9,000) | Cypress Production, Inc. | 1 | 0 | 2.45M | Jul 2000 – Jun 2013 |
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.
- 1Aspect Resources LLCJul 2000 → Dec 2001
- 2Samedan Oil CorporationJan 2002 → Dec 2002
- 3Noble Energy IncJan 2003 → May 2004
- 4Shidler, Mark L., Inc.Jun 2004 → Sep 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 494062-98 | Drill | Aspect Resources LLC | Jul 17, 2000 | Apr 13, 2000 | — | 9,500 |
| 494062-99 | Drill | Aspect Resources LLC | Apr 13, 2000 | Apr 13, 2000 | May 15, 2000 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-177936 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 47 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,950 | 8,952 | Perforated |
| 9,010 | 9,016 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,000 | 12.25 | 624 S |
| 6.5 | 9,285 | 8.5 | 250 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 | Sep 13, 2000 | Jul 26, 2000 | Yes |
| 00 | Aug 7, 2000 | — | — |
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 42-321-31818 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-31818 → 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/32131818, documented in the API reference.