WELL · 42-285-33492 · DISTRICT 2

Mertz Gas Unit NO 2 #9

Y

Lavaca County · Word N. (Edwards) field · Producing  · Horizontal

Mertz Gas Unit NO 2 #9 (API 42-285-33492) is a horizontal well in Lavaca County operated by Capital Star Oil & Gas Inc., completed December 24, 2008 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued June 4, 2008, permitted to 17,000 ft.

It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Capital Star Oil & Gas Inc. on the wellbore schedule.

Completion filings report 3 formation tops, including Olmos, Austin Chalk, Edwards.

No lease production has been reported under this well’s leases.

Operator of record

Capital Star Oil & Gas Inc.

Permitted by Pioneer Natural Res. USA, Inc.; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Jan 4, 2026 · 49 permits on file · (713) 906-2114

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCapital Star Oil & Gas Inc.
Production reportsCapital Star Oil & Gas, Inc.through Apr 2026
Latest permitPioneer Natural Res. USA, Inc.Jun 4, 2008

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

17,000
total depth, ft
2
permits on file
Jun 4, 2008
last permit issued
Dec 24, 2008
completed
0
cumulative oil, bbl
958K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 24, 2008
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

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.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Mertz Gas Unit NO 2 G-2-249035Word, N. (Edwards)Capital Star Oil & Gas, Inc.10958KDec 2008 – Jul 2026

Gas, mcf lease total

Last 12 months 14,280 · prior 12 15,369(-7%)

01K2K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Pioneer Natural Res. USA, Inc.Dec 2008 → Apr 2018
  2. 2Sulphur River Exploration, Inc.May 2018 → May 2023
  3. 3Capital Star Oil & Gas, Inc.Jun 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
662093-98DrillPioneer Natural Res. USA, Inc.Mar 10, 2009Jun 4, 2008Sep 26, 200817,000
662093-99DrillPioneer Natural Res. USA, Inc.May 15, 2008Jun 4, 2008Sep 26, 200817,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-249035————

Formation tops

As filed on W-2/G-1. Subsea from 268 ft elevation.Download CSV →

FormationMD ftSubsea
Olmos11,840-11,572
Austin Chalk13,385-13,117
Edwards13,696-13,428

Perforations

Perforated and open-hole intervals.

FromToType
13,71514,802Perforated
13,71514,902Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,72317.51,600 S
9.62510,50012.25250 S
—13,659——
5.513,7158.75695 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
00Sep 4, 2009Apr 15, 2009—
00Aug 14, 2009Jan 26, 2009Yes
00Jul 9, 2009——

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/28533492, documented in the API reference.