WELL · 42-479-37272 · DISTRICT 4

Rottersman #20

Y

Webb County · Rottersman (Lobo) field · Producing  · Vertical

Rottersman #20 (API 42-479-37272) is a well in Webb County operated by Arete Operating Company II LLC, completed June 16, 1999 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 12, 1999, permitted to 10,500 ft.

It was permitted by Michael Petroleum Corporation and has since transferred to Arete Operating Company II LLC on the wellbore schedule.

Completion filings report 2 formation tops, including Wills Point, Wilcox.

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

Operator of record

Arete Operating Company II LLC

Permitted by Michael Petroleum Corporation; the EWA schedule now lists a different operator.

San Antonio, TX · P-5 Y, filed Sep 4, 2025 · (210) 325-9383

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleArete Operating Company II LLC
Production reportsArete Operating Company II, LLCthrough Apr 2026
Latest permitMichael Petroleum CorporationMay 12, 1999

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

10,500
total depth, ft
1
permits on file
May 12, 1999
last permit issued
Jun 16, 1999
completed
0
cumulative oil, bbl
6.53M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 1999 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 16, 1999
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
Rottersman G-4-173497Rottersman (Lobo)Arete Operating Company II, LLC106.53MJun 1999 – Jul 2026

Gas, mcf lease total

Last 12 months 633 · prior 12 154(+311%)

01K2K3K202420252026

Chain of custody

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

  1. 1Michael Petroleum CorporationJun 1999 → Dec 2001
  2. 2Calpine Natural Gas CompanyJan 2002 → Apr 2002
  3. 3Calpine Natural Gas Company L.P.May 2002 → Jul 2002
  4. 4Calpine Natural Gas L.P.Aug 2002 → Dec 2005
  5. 5Rosetta Resources Operating LPJan 2006 → Mar 2012
  6. 6Pinpoint Energy Operating, LLCApr 2012 → Aug 2012
  7. 7Petropoint Energy Operating, LLCSep 2012 → Jul 2014
  8. 8White Oak Operating Company LLCAug 2014 → Dec 2020
  9. 9Arete Operating Company II, LLCJan 2021 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
484479-99DrillMichael Petroleum CorporationMay 12, 1999May 12, 1999May 21, 199910,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-173497————

Formation tops

As filed on W-2/G-1. Subsea from 499 ft elevation.Download CSV →

FormationMD ftSubsea
Wills Point9,880-9,381
WilcoxBASE-UPPER WILCOX——
WilcoxTOP-UPPER WILCOX——

Perforations

Perforated and open-hole intervals.

FromToType
8,6718,680Perforated
8,6948,747Perforated
9,3969,410Perforated
9,4659,498Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,52012.25970 S
7.6257,7688.75415 S
3.59,9806.125320 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
00Nov 18, 2005Sep 6, 2005—
00Aug 18, 1999Jul 15, 1999Yes
00Jul 23, 1999——

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/47937272, documented in the API reference.