TEXAS · WELLS · UPTON COUNTY · VANESSA P1 UNIT LEASE · API 42-461-40392 · DISTRICT 6E

Vanessa P1 Unit #5228AH

Y

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

Vanessa P1 Unit #5228AH (API 42-461-40392) is a horizontal well in Upton County operated by Cog Operating LLC, completed March 2, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued August 29, 2016, permitted to 9,379 ft.

Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.

Its lease has reported 864K barrels of oil and 4.24M mcf of gas since March 2018, last reporting volume in April 2026. The lease carries 3 wells, so these are lease totals, not this well alone.

Operator of record

COG Operating LLC

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 Apr 2026
Latest permitCOG Operating LLCAug 29, 2016
9,379
total depth, ft
2
permits on file
Aug 29, 2016
last permit issued
Mar 2, 2018
completed
864K
cumulative oil, bbl
4.24M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2018 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 2, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Vanessa P1 Unit O-9-19906Spraberry (Trend Area)COG Operating LLC3864K4.24MMar 2018 – Apr 2026

Gas, mcf lease total

Last 12 months 192,659 · prior 12 307,370(-37%)

020K40K60K202420252026

Oil, barrels lease total

Last 12 months 17,704 · prior 12 28,898(-39%)

02K4K6K202420252026

Chain of custody

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

  1. 1COG Operating LLCMar 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
817014-98DrillCOG Operating LLCNov 2, 2016Aug 29, 2016—10,500
817014-99DrillCOG Operating LLCJul 13, 2016Aug 29, 2016Oct 2, 201710,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 2, 2018Vanessa P1 Unit O-9-19906Spraberry (Trend Area)COG Operating LLCProducing9,379

Formation tops

As filed on W-2/G-1. Subsea from 2,780 ft elevation.Download CSV →

FormationMD ftSubsea
Yates1,2001,580
Grayburg3,000-220
San AndresSAN ANDRES - SALTWATER FLOW4,567-1,787
Spraberry7,433-4,653
Wolfcamp8,878-6,098
Devonian——
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
9,48419,787Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37546617.5670 S
9.6258,60212.25740 S
5.519,8978.52,575 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Jul 11, 2018Jun 20, 2018Yes

Well logs

1 log loaded from the RRC's log index, the latest received Oct 22, 2020. Neutron. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.

Open the RRC's log search for this well ↗
Logas describedFiles Intervalft, as filedDatereceivedSizeMB
NeutronTIFFfrom 9,482Oct 22, 202039.9

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

The logs loaded for this well are under Well logs, with the RRC's log search for it. The University Lands library has no per-well link: then paste it into its 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/46140392, documented in the API reference.