WELL · 42-321-31492 · DISTRICT 3

Heffelfinger Grace P. #1

Plugged

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

Amoco Production Company

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 scheduleAmoco Production Company
Production reportsnone
Latest permitAmoco 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

PermitTypeOperatorReceivedIssuedSpudDepth
353085-99RecompletionAmoco Production CompanyNov 7, 1988Nov 21, 1988—11,206
291045-99DrillAmoco Production CompanyNov 25, 1985Nov 25, 1985Jan 6, 198612,000

Formation tops

As filed on W-2/G-1. Subsea from 48 ft elevation.Download CSV →

FormationMD ftSubsea
Miocene (undifferentiated)BASE MIOCENE5,760-5,712
FrioTOP FRIO6,440-6,392
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.

FromToType
8,1638,167Perforated
8,2678,270Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.754,02614.752,200 S
5.511,1237.253,200 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Apr 17, 1989Jan 18, 1989Yes
00Apr 7, 1989——
00Sep 28, 1988Sep 16, 1987Yes
00Sep 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.

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.