WELL · 42-321-31742 · DISTRICT 3
Heffelfinger #1
Matagorda County · Wildcat field · Directional
Heffelfinger #1 (API 42-321-31742) is a plugged well in Matagorda County, plugged November 10, 1999, last operated by Dallas Production Inc..
The RRC has issued one drilling permit, issued July 24, 1997, permitted to 12,500 ft.
Completion filings report 4 formation tops, including Miocene (undifferentiated), Frio, Teixtularia Miss., Anomalina.
Operator of record
Dallas, TX · P-5 Y, filed Dec 4, 2020 · 823 permits on file · (214) 265-4319
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Dallas Production Inc. |
| Production reports | none |
| Latest permit | Dallas Production, Inc.Jul 24, 1997 |
- 12,500
- total depth, ft
- 1
- permits on file
- Jul 24, 1997
- last permit issued
- Oct 23, 1997
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1997 THROUGH Nov 1999
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 23, 1997
- Shut in
- —
- Plugged
- Nov 10, 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 |
|---|---|---|---|---|---|---|
| Heffelfinger G-3-168976 | Wildcat | Dallas Production, Inc. | 1 | 0 | 0 | Oct 1997 – Nov 1999 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 465361-99 | Drill | Dallas Production, Inc. | Jul 24, 1997 | Jul 24, 1997 | Aug 30, 1997 | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-168976 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 32 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 5,620 | -5,588 |
| Frio | 7,040 | -7,008 |
| Teixtularia Miss. | 9,430 | -9,398 |
| Anomalina | 10,400 | -10,368 |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,419 | 14.75 | 1,435 S |
| 7.625 | 9,592 | 9.875 | 760 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 3, 1998 | Apr 6, 1998 | Yes |
| 00 | Jul 28, 1998 | — | — |
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 42-321-31742 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-31742 → 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/32131742, documented in the API reference.