TEXAS · WELLS · UPTON COUNTY · FLORENCE LEASE · API 42-461-39694 · DISTRICT 6E

Florence #3907

Y

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

Florence #3907 (API 42-461-39694) is a well in Upton County operated by Cog Operating LLC, completed January 19, 2015 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 28, 2014, permitted to 10,345 ft.

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

Its lease has reported 833K barrels of oil and 2.4M mcf of gas since June 2007, last reporting in July 2026. The lease carries 10 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 28, 2014
10,345
total depth, ft
1
permits on file
Aug 28, 2014
last permit issued
Jan 19, 2015
completed
833K
cumulative oil, bbl
2.4M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2007 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 19, 2015
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 10 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Florence O-9-16311Spraberry (Trend Area)COG Operating LLC10833K2.4MJun 2007 – Jul 2026

Oil, barrels lease total

Last 12 months 7,886 · prior 12 8,814(-11%)

05001K1.5K202420252026

Gas, mcf lease total

Last 12 months 24,884 · prior 12 23,388(+6%)

02K4K202420252026

Chain of custody

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

  1. 1Henry Petroleum LPJun 2007 → Dec 2008
  2. 2COG Operating LLCJan 2009 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
792319-99DrillCOG Operating LLCJul 22, 2014Aug 28, 2014Nov 10, 201412,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 19, 2015Florence O-9-16311Spraberry (Trend Area)COG Operating LLCProducing10,345

Formation tops

As filed on W-2/G-1. Subsea from 2,702 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,378324
Grayburg4,360-1,658
San AndresSAN ANDRES - SALTWATER FLOW4,444-1,742
Spraberry7,184-4,482
Wolfcamp8,640-5,938
Devonian——
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
7,66010,172Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62549512.25310 S
5.510,3458.75970 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
00Jul 20, 2015Jun 17, 2015Yes

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/46139694, documented in the API reference.