TEXAS · WELLS · STERLING COUNTY · API 42-431-30759 · DISTRICT 7B

Williams #1

Plugged

Sterling County · Sterling City (Fusselman) field  · Vertical

Williams #1 (API 42-431-30759) is a plugged well in Sterling County, plugged August 25, 2021, last operated by Cog Operating LLC.

The RRC has issued 2 drilling permits between 1979 and 2009, permitted to 8,538 ft.

It was permitted by Samson Lone Star, LLC and has since transferred to Cog Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Cisco, Strawn, Fusselman.

Its 2 leases have reported 41 barrels of oil and 429K mcf of gas since January 1993, last reporting in October 2021. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

COG Operating LLC

Permitted by Samson Lone Star, LLC; the EWA schedule now lists a different operator.

Based in
Midland, TX
P-5 status
Active – Extension (X)
P-5 last filed
Jun 2, 2026
Permits on file
4,568
Phone
(432) 683-7443

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCOG Operating LLC
Production reportsCOG Operating LLCthrough Aug 2020
Latest permitSamson Lone Star, LLCJun 11, 2009

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

8,538
total depth, ft
2
permits on file
Jun 11, 2009
last permit issued
Jun 12, 2009
completed
41
cumulative oil, bbl
429K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2021

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 12, 2009
Shut in
—
Plugged
Aug 25, 2021

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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Williams O-10-39737Conger (Penn)COG Operating LLC1410Jun 2009 – Oct 2021
Williams G-10-82264Sterling City (Fusselman)COG Operating LLC10429KJan 1993 – Aug 2021

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Samson Resources CompanyJan 1993 → Mar 1995
  2. 2Samson Hydrocarbons CompanyApr 1995 → Jul 1996
  3. 3Samson Lone Star LPAug 1996 → Jun 2007
  4. 4Samson Lone Star, LLCJul 2007 → Dec 2010
  5. 5Three Rivers Operating Co LLCJan 2011 → Jul 2012
  6. 6COG Operating LLCAug 2012 → Aug 2020

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
681804-99RecompletionSamson Lone Star, LLCJun 3, 2009Jun 11, 2009May 28, 20098,538
41882-99DrillMesa Petroleum Co.Feb 1, 1979Feb 1, 1979Feb 22, 19798,538

Completions

CompletedLeaseFieldOperatorStatusDepth
Jun 12, 2009Williams G-10-82264Sterling City (Fusselman)COG Operating LLCPlugged—
Jun 12, 2009Williams O-10-39737Conger (Penn)COG Operating LLCPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,412 ft elevation.Download CSV →

FormationMD ftSubsea
Cisco6,248-3,836
StrawnSTRAWN LIME8,243-5,831
Fusselman8,422-6,010

Perforations

Perforated and open-hole intervals.

FromToType
6,8897,656Perforated
8,4248,430Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6252,018111,000 S
2.3758,265——
5.58,5387.8751,250 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, 2010Jul 27, 2009—
00Apr 8, 2010Jul 27, 2009Yes
00Mar 4, 2010——
00Jan 12, 1984May 18, 1979Yes

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/43130759, documented in the API reference.