WELL · 42-321-31492 · DISTRICT 3
Heffelfinger Grace P. #1
Matagorda County · Blessing North (8260 Sd.) field · Vertical
Heffelfinger Grace P. #1 (API 42-321-31492) is a plugged well in Matagorda County, plugged July 3, 1989, last operated by Amoco Production Company.
The RRC has issued 2 drilling permits between 1985 and 1988, permitted to 12,000 ft.
Completion filings report 5 formation tops, including Miocene (undifferentiated), Frio, Top Text. Miss., Top Upper Sand (Anom).
Operator of record
Houston, TX · P-5 Y, filed May 7, 2004 · 7,201 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Amoco Production Company |
| Production reports | none |
| Latest permit | Amoco Production CompanyNov 21, 1988 |
- 12,000
- total depth, ft
- 2
- permits on file
- Nov 21, 1988
- last permit issued
- Feb 7, 1986
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 7, 1986
- Shut in
- —
- Plugged
- Jul 3, 1989
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.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 353085-99 | Recompletion | Amoco Production Company | Nov 7, 1988 | Nov 21, 1988 | — | 11,206 |
| 291045-99 | Drill | Amoco Production Company | Nov 25, 1985 | Nov 25, 1985 | Jan 6, 1986 | 12,000 |
Formation tops
As filed on W-2/G-1. Subsea from 48 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)BASE MIOCENE | 5,760 | -5,712 |
| FrioTOP FRIO | 6,440 | -6,392 |
| Top Text. Miss. | 8,900 | -8,852 |
| Top Upper Sand (Anom) | 10,460 | -10,412 |
| Top Lower Sand (Anom) | 11,260 | -11,212 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,163 | 8,167 | Perforated |
| 8,267 | 8,270 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 4,026 | 14.75 | 2,200 S |
| 5.5 | 11,123 | 7.25 | 3,200 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 | Apr 17, 1989 | Jan 18, 1989 | Yes |
| 00 | Apr 7, 1989 | — | — |
| 00 | Sep 28, 1988 | Sep 16, 1987 | Yes |
| 00 | Sep 22, 1988 | — | — |
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 42-321-31492 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-31492 → 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/32131492, documented in the API reference.