42-355-32848

Final Completion

HEFTE MARY TOM ET AL

NUECES County · District 4 · HARPER HEFTE INC. · AGUA DULCE (6610)

Permits

Max Depth

6,800 ft

First Permit

1991-06-25

Latest Activity

1998-08-20

Lifespan

7 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-07-16

Shut-In

—

Plugged

2018-08-13

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2018-08

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (4) Elevation 99 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CATAHOULA	3,810 ft	-3,711 ft
CATALAHULA	3,810 ft	-3,711 ft
HARPER	5,652 ft	-5,553 ft
KOELHOR	6,606 ft	-6,507 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (2)

Interval	Type
6,595–6,599 ft	Perforated
6,615–6,618 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,114 ft	370 sx
4.5"	6,745 ft	525 sx

Permit History (2)

#478630 Recompletion Final Completion

HEFTE, MARY TOM ET AL · 6,750 ft

1998-08-20

Spud 1998-07-15

#389250 Drill Final Completion

HEFTE, MARY TOM ET AL · 6,800 ft

1991-06-25

Spud 1991-06-28

Applications (2)

#478630 A HARPER HEFTE, INC.

received 1998-08-10

#389250 A HARPER HEFTE, INC.

received 1991-06-24

Records & Logs

4 completion filings on record · 2 with log images at RRC.

W-2/G-1 1998-08-13 log on file

W-2/G-1 1998-09-01

W-2/G-1 1991-08-07 log on file

W-2/G-1 1991-08-21

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in NUECES County.

Well Details

Well Number: 11
Max Depth: 6,800 ft
Drill Type: Vertical
County: NUECES
District: 4
Operator: HARPER HEFTE INC.
Completed: 1991-07-16

Operator

Name: HARPER HEFTE, INC
Location: CORPUS CHRI, ST
P-5 Status: Active (filed 2026-04-16)
Cum Oil (all leases): 247,395 bbl
Cum Gas (all leases): 4,331,023 mcf
Activities: CSGD/P, G/PUR, OPRS/G
Total Permits: 87