42-285-33396

PRODUCING Horizontal

MERTZ GAS UNIT NO 2

LAVACA County · District 2 · CAPITAL STAR OIL & GAS INC. · WORD N. (EDWARDS)

Permits

1

Max Depth

17,000 ft

First Permit

2007-05-31

Latest Activity

2007-05-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2007-10-20

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: CAPITAL STAR OIL & GAS INC. ≠ Permit: PIONEER NATURAL RES. USA, INC.

Resolved via: productionCAPITAL STAR OIL & GAS, INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2007-10

Last Production

2026-07

Lease Production

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

Formation Tops (4) Elevation 309 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
WILCOX 5,800 ft-5,491 ft
MIDWAY 10,297 ft-9,988 ft
AUSTIN CHALK 13,290 ft-12,981 ft
EDWARDS 13,649 ft-13,340 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
13,938–13,939 ftPerforated
14,511–14,512 ftPerforated
15,109–15,110 ftPerforated
15,680–15,681 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"543 ft695 sx
9.625"3,202 ft1,470 sx
5.5"14,435 ft1,885 sx

Permit History (1)

Applications (1)

#639192 A PIONEER NATURAL RES. USA, INC.
received 2007-05-17

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2007-11-09 log on file
W-2/G-1 2007-12-06

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
17,000 ft
Drill Type
Horizontal
County
LAVACA
District
2
Completed
2007-10-20

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