WELL · 42-317-43241 · DISTRICT 8

Johnson Ranch #403LH

Y

Martin County · Spraberry (Trend Area) field · Producing  · Horizontal

Johnson Ranch #403LH (API 42-317-43241) is a horizontal well in Martin County operated by Cog Operating LLC, completed August 10, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 9, 2020, permitted to 12,000 ft.

Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.

Its lease has reported 9.4M barrels of oil and 15.7M mcf of gas since November 2007, last reporting in July 2026. The lease carries 71 wells, so these are lease totals, not this well alone.

Operator of record

COG Operating LLC

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 reportsCOG Operating LLCthrough Apr 2026
Latest permitCOG Operating LLCOct 9, 2020
12,000
total depth, ft
1
permits on file
Oct 9, 2020
last permit issued
Aug 10, 2022
completed
9.4M
cumulative oil, bbl
15.7M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2007 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 10, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.176364, -102.160880

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Martin County.

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; they carry 71 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Johnson Ranch O-10-38431Spraberry (Trend Area)COG Operating LLC719.4M15.7MNov 2007 – Jul 2026

Oil, barrels lease total

Last 12 months 569,664 · prior 12 628,142(-9%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 1,270,695 · prior 12 1,078,457(+18%)

0100K200K202420252026

Chain of custody

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

  1. 1Patriot Resources, Inc.Nov 2007 → Jan 2011
  2. 2RSP Permian, LLCFeb 2011 → Jul 2018
  3. 3COG Operating LLCAug 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
865426-99DrillCOG Operating LLCOct 6, 2020Oct 9, 2020Jun 11, 202212,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-38431————

Formation tops

As filed on W-2/G-1. Subsea from 2,891 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,2661,625
Yates2,974-83
Seven Rivers3,282-391
Queen3,788-897
Grayburg4,720-1,829
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,967-2,076
Glorieta5,505-2,614
Clear ForkCLEARFORK6,833-3,942
SpraberryMIDDLE SPRABERRY8,269-5,378
SpraberryLOWER SPRABERRY8,930-6,039

Perforations

Perforated and open-hole intervals.

FromToType
9,32024,632Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,86517.51,345 S
9.6258,53512.252,725 S
5.524,7268.753,800 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
00Jun 12, 2023May 18, 2023Yes

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Johnson Ranch42-317-43240

0.0 KM · COG Operating LLC · Section with this well →

Yates2,974-83
Seven Rivers3,282-391
Queen3,788-897
Grayburg4,720-1,829
San Andres4,967-2,076
Glorieta5,505-2,614
Clear Fork6,833-3,942
Spraberry8,035-5,144

10 TOPS · FIRST 8

Johnson Glass Unit A142-317-43258

0.0 KM · COG Operating LLC · Section with this well →

Santa Rosa1,2661,625
Yates2,974-83
Seven Rivers3,282-391
Queen3,788-897
Grayburg4,720-1,829
San Andres4,967-2,076
Glorieta5,505-2,614
Clear Fork6,833-3,942

10 TOPS · FIRST 8

Johnson Ranch42-317-43243

0.2 KM · COG Operating LLC · Section with this well →

Santa Rosa1,2741,620
Yates2,982-88
Queen3,796-902
Grayburg4,720-1,826
San Andres4,967-2,073
Spraberry8,043-5,149
Dean9,282-6,388
Pennsylvanian—

10 TOPS · FIRST 8

Johnson Ranch42-317-43244

0.2 KM · COG Operating LLC · Section with this well →

Santa Rosa1,2741,620
Yates2,982-88
Seven Rivers3,282-388
Queen3,796-902
Grayburg4,720-1,826
San Andres4,967-2,073
Glorieta5,513-2,619
Clear Fork6,841-3,947

10 TOPS · FIRST 8

Johnson Ranch42-317-43245

0.2 KM · COG Operating LLC · Section with this well →

Santa Rosa1,2751,620
Yates2,983-88
Seven Rivers3,282-387
Queen3,797-902
Grayburg4,720-1,825
San Andres4,967-2,072
Spraberry8,044-5,149
Cisco—

10 TOPS · FIRST 8

Mabee Dda K1442-317-44073

0.4 KM · COG Operating LLC · Section with this well →

Santa Rosa1,2531,640
Yates2,957-64
Queen4,005-1,112
Grayburg4,205-1,312
San Andres4,558-1,665
Spraberry8,216-5,323
Cisco—
Dean—

10 TOPS · FIRST 8

Mabee Dda K1542-317-44074

0.4 KM · COG Operating LLC · Section with this well →

Santa Rosa1,2541,640
Yates2,958-64
Queen4,006-1,112
Grayburg4,206-1,312
San Andres4,559-1,665
Fusselman—
Silurian (undifferentiated)—
Devonian—

10 TOPS · FIRST 8

Mabee Dda K1642-317-44075

0.4 KM · COG Operating LLC · Section with this well →

Santa Rosa1,2541,640
Yates2,958-64
Queen4,006-1,112
Grayburg4,206-1,312
San Andres4,559-1,665
Spraberry8,217-5,323
Cisco—
Pennsylvanian—

10 TOPS · FIRST 8

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/31743241, documented in the API reference.