← Wells

42-285-31756

PRODUCING

MARY B. GOLSCH GAS UNIT 1

LAVACA County · District 2 · CAPITAL STAR OIL & GAS INC. · HALLETTSVILLE EAST (9800)

Permits

1

Max Depth

10,500 ft

First Permit

1983-09-14

Latest Activity

1983-09-14

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1994-04-30

Shut-In

—

Plugged

—

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: CAPITAL STAR OIL & GAS INC. ≠ Permit: HOWELL DRILLING, INC.

Resolved via: production → CAPITAL STAR OIL & GAS, INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

HOWELL DRILLING, INC. 1993-1993→ PARKER & PARSLEY DEVELOPMENT CO. 1994-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1995-1997→ PIONEER NATURAL RES. USA, INC. 1997-2018→ PRIZE OPERATING COMPANY 1999-2002→ GRUY PETROLEUM MANAGEMENT CO. 2002-2006→ CIMAREX ENERGY CO. OF COLORADO 2006-2008→ SULPHUR RIVER EXPLORATION, INC. 2018-2023→ CAPITAL STAR OIL & GAS, INC. 2023-2026

Lease Production

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

Gas
production & DCA →

Formation Tops (3) Elevation 313 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP YEGUA (Yegua)3,000 ft-2,687 ft
TOP WILCOX (Wilcox)5,655 ft-5,342 ft
TOP MIDWAY (Midway)10,306 ft-9,993 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 (4)

IntervalType
10,006–10,028 ftPerforated
10,031–10,048 ftPerforated
10,046–10,066 ftPerforated
10,068–10,078 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,810 ft1,140 sx
9.625"9,400 ft811 sx
5.5"10,450 ft1,550 sx

Permit History (1)

#212322 Drill Final Completion

MARY B. GOLSCH GAS UNIT · 10,500 ft

1983-09-14

Applications (2)

#212322 A HOWELL DRILLING, INC.
received 1984-01-13
#212322 A HOWELL DRILLING, INC.
received 1983-08-29

Records & Logs

3 completion filings on record.

W-2/G-1 1994-05-16
W-2/G-1 1983-12-20
W-2/G-1 1983-12-20
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 LAVACA County.

Well Details

Well Number
4
Max Depth
10,500 ft
Drill Type
Vertical
County
LAVACA
District
2
Operator
CAPITAL STAR OIL & GAS INC.
Completed
1994-04-30

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-03-19)
Cum Oil (all leases)
279,450 bbl
Cum Gas (all leases)
98,380,124 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
48