WELL · 42-371-37304 · DISTRICT 8

Sanford Gray #3

Plugged

Pecos County · Double L (Wolfcamp) field  · Vertical

Sanford Gray #3 (API 42-371-37304) is a plugged well in Pecos County, plugged May 19, 2014, last operated by Cog Operating LLC.

The RRC has issued one drilling permit (amended once), issued July 9, 2003, permitted to 5,220 ft.

It was permitted by Chesapeake Operating, Inc. and has since transferred to Cog Operating LLC on the wellbore schedule.

Completion filings report 6 formation tops, including Yates, Queen, San Andres, Glorieta.

Its lease has reported 525 barrels of oil and 10.4K mcf of gas since December 2003, last reporting in March 2015.

Operator of record

COG Operating LLC

Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCOG Operating LLC
Production reportsChesapeake Operating, Inc.through Feb 2010
Latest permitChesapeake Operating, Inc.Jul 9, 2003

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

5,220
total depth, ft
2
permits on file
Jul 9, 2003
last permit issued
Dec 3, 2003
completed
525
cumulative oil, bbl
10.4K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2003 THROUGH Mar 2015

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 3, 2003
Shut in
—
Plugged
May 19, 2014

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
Sanford Gray O-10-37728Double "L" (Wolfcamp)COG Operating LLC152510.4KDec 2003 – Mar 2015

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. 1Permian Resources, Inc.Dec 2003 → Feb 2004
  2. 2Chesapeake Operating, Inc.Mar 2004 → Dec 2007

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
533940-98DrillChesapeake Operating, Inc.Nov 1, 2004Jul 9, 2003Jul 12, 20035,220
533940-99DrillPermian Resources, Inc.Jul 8, 2003Jul 9, 2003Jul 12, 20035,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-37728————

Formation tops

As filed on W-2/G-1. Subsea from 2,511 ft elevation.Download CSV →

FormationMD ftSubsea
Yates1,3481,163
Queen1,730781
San Andres2,204307
Glorieta2,942-431
Wichita-AlbanyWICHITA ALBANY4,038-1,527
Wolfcamp4,539-2,028

Perforations

Perforated and open-hole intervals.

FromToType
4,6924,948Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62556012.25425 S
75,2048.75300 S
7—8.75660 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
00Oct 10, 2006Jul 20, 2005Yes
00Jun 2, 2006——

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) and the University Lands library. 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/37137304, documented in the API reference.