WELL · 42-009-42358 · DISTRICT 9

Carl a Unit #1A

Y

Archer County · Reno (Strawn 3900 Sand) field · Producing  · Vertical

Carl A Unit #1A (API 42-009-42358) is a well in Archer County operated by Twilco Operating LLC, completed September 23, 2011 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 29, 2011, permitted to 4,200 ft.

It was permitted by Gen-Sher L.L.P. and has since transferred to Twilco Operating LLC on the wellbore schedule.

Completion filings report 2 formation tops, including Gunsight, Strawn.

Its lease has reported 16K barrels of oil since September 2011, last reporting in July 2026.

Operator of record

Twilco Operating LLC

Permitted by Gen-Sher L.L.P.; the EWA schedule now lists a different operator.

Holliday, TX · P-5 Y, filed May 4, 2026 · (940) 781-9865

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTwilco Operating LLC
Production reportsTwilco Operating LLCthrough Apr 2026
Latest permitGen-Sher L.L.P.Jul 29, 2011

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

4,200
total depth, ft
1
permits on file
Jul 29, 2011
last permit issued
Sep 23, 2011
completed
16K
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 23, 2011
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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
Carl a Unit O-13-32005Reno (Strawn 3900 Sand)Twilco Operating LLC116K0Sep 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 383 · prior 12 524(-27%)

050100202420252026

Chain of custody

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

  1. 1Gen-Sher L.L.P.Sep 2011 → Aug 2016
  2. 2Twilco Operating LLCSep 2016 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
720768-99DrillGen-Sher L.L.P.Jul 21, 2011Jul 29, 2011Aug 17, 20114,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-13-32005————

Formation tops

As filed on W-2/G-1. Subsea from 1,035 ft elevation.Download CSV →

FormationMD ftSubsea
GunsightGUNSIGHT SAND1,580-545
StrawnSTRAWN 3700 SAND3,685-2,650
StrawnSTRAWN 3900 SAND3,890-2,855

Perforations

Perforated and open-hole intervals.

FromToType
3,8903,896Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62512712.2585 S
5.53,9667.875160 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
00Apr 27, 2012Sep 28, 2011Yes

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/00942358, documented in the API reference.