WELL · 42-461-37930 · DISTRICT 7

Sylvia #8302

Shut in

Upton County · Spraberry (Trend Area) field · Shut IN  · Vertical

Sylvia #8302 (API 42-461-37930) is a well in Upton County operated by Cog Operating LLC, completed October 18, 2012 and listed as shut in on the RRC schedule, shut in February 1, 2025.

The RRC has issued one drilling permit, issued February 23, 2012, permitted to 10,602 ft.

It was permitted by Summit Petroleum LLC and has since transferred to Cog Operating LLC on the wellbore schedule.

Completion filings report 2 formation tops, including Spraberry, Wolfcamp.

Its lease has reported 164K barrels of oil and 830K mcf of gas since October 2012, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.

Operator of record

COG Operating LLC

Permitted by Summit Petroleum 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 Apr 2026
Latest permitSummit Petroleum LLCFeb 23, 2012

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

10,602
total depth, ft
1
permits on file
Feb 23, 2012
last permit issued
Oct 18, 2012
completed
164K
cumulative oil, bbl
830K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2012 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 18, 2012
Shut in
Feb 1, 2025
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 5 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Sylvia O-9-18037Spraberry (Trend Area)COG Operating LLC5164K830KOct 2012 – Jul 2026

Gas, mcf lease total

Last 12 months 31,759 · prior 12 41,281(-23%)

02K4K6K202420252026

Oil, barrels lease total

Last 12 months 3,264 · prior 12 4,119(-21%)

05001K202420252026

Chain of custody

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

  1. 1Summit Petroleum LLCOct 2012 → Feb 2017
  2. 2True Oil Company LLCDec 2014 → Mar 2016
  3. 3COG Operating LLCMar 2017 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
733728-99DrillSummit Petroleum LLCFeb 13, 2012Feb 23, 2012Aug 24, 201211,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 18, 2012Sylvia O-9-18037Spraberry (Trend Area)COG Operating LLCShut IN · shut in Feb 1, 202510,602

Formation tops

As filed on W-2/G-1. Subsea from 2,810 ft elevation.Download CSV →

FormationMD ftSubsea
Spraberry7,660-4,850
WolfcampUPPER WOLFCAMP8,880-6,070
WolfcampLOWER WOLFCAMP9,340-6,530

Perforations

Perforated and open-hole intervals.

FromToType
7,66010,290Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,30513.5789 S
5.510,6027.8751,230 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
00Aug 15, 2013Nov 26, 2012Yes

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/46137930, documented in the API reference.