42-477-30328

Final Completion Horizontal

RUTHVEN SHIRLEY

WASHINGTON County · District 3 · HECI EXPLORATION COMPANY · GIDDINGS (AUSTIN CHALK-3)

Permits

Max Depth

11,062 ft

First Permit

1979-09-17

Latest Activity

1994-06-03

Lifespan

15 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1979-11-20

Shut-In

—

Plugged

1982-07-20

EWA / Production operator mismatch

Scheduling: HECI EXPLORATION COMPANY ≠ Production: MAGNOLIA OIL & GAS OPERATING LLC (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: HECI EXPLORATION COMPANY ≠ Permit: GEMINI EXPLORATION COMPANY

Resolved via: production → MAGNOLIA OIL & GAS OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1994-07

Last Production

2026-07

Operator History

Chain of Custody

GEMINI EXPLORATION COMPANY 1994-1995→ UNION PACIFIC AUSTIN CHALK CO. 1995-2001→ RME AUSTIN CHALK COMPANY 2001-2002→ ANADARKO AUSTIN CHALK COMPANY 2002-2006→ ANADARKO E&P COMPANY LP 2006-2007→ ENERVEST OPERATING, L.L.C. 2007-2018→ MAGNOLIA OIL & GAS OPERATING LLC 2018-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (3) Elevation 352 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
PECAN GAP	8,832 ft	-8,480 ft
AUSTIN CHALK	9,453 ft	-9,101 ft
EAGLEFORD (Eagle Ford)	10,170 ft	-9,818 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 (5)

Interval	Type
1,834–10,150 ft	Perforated
9,482–9,486 ft	Perforated
9,903–13,420 ft	Perforated
10,010–11,895 ft	Perforated
10,074–10,428 ft	Perforated

Casing (5)

Size	Set Depth	Cement
5.5"	1,303 ft	—
9.625"	1,834 ft	625 sx
7"	9,396 ft	475 sx
7"	9,501 ft	230 sx
2.875"	9,838 ft	—

Permit History (2)

#424544 Reenter Final Completion

RUTHVEN, SHIRLEY · 10,000 ft

1994-06-03

Spud 1994-06-04

#58118 Drill Final Completion

RUTHVEN, SHIRLEY · 11,062 ft

1979-09-17

Applications (2)

#424544 A GEMINI EXPLORATION COMPANY

received 1994-06-03

#58118 A HUMBLE EXPLORATION CO., INC.

received 1979-09-17

Records & Logs

3 completion filings on record.

W-2/G-1 1994-08-05

W-2/G-1 1994-09-26

W-2/G-1 1980-02-25

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 WASHINGTON County.

Well Details

Well Number: 1
Max Depth: 11,062 ft
Drill Type: Horizontal
County: WASHINGTON
District: 3
Operator: HECI EXPLORATION COMPANY
Completed: 1979-11-20

Operator

Name: HECI EXPL CO
Location: GIDDINGS
P-5 Status: Inactive (filed 1990-10-30)
Total Permits: 86