WELL · 42-399-35125 · DISTRICT 7

Sykes O. C. 8 #39

Y

Runnels County · Hrubetz (Ellen) field · Injection  · Vertical

Sykes O. C. 8 #39 (API 42-399-35125) is a disposal or injection well in Runnels County operated by Atlas Operating LLC under an active UIC permit.

The RRC has issued one drilling permit (amended once), issued May 21, 2008, permitted to 5,400 ft.

It was permitted by Pioneer Exploration, LLC and has since transferred to Atlas Operating LLC on the wellbore schedule.

Completion filings report 6 formation tops, including Goen Lime, Gardner, Upper Gray, Ellenburger.

It holds an active disposal or injection permit, with 54.8K barrels injected in the 12 months reported through March 2025.

Operator of record

Atlas Operating LLC

Permitted by Pioneer Exploration, LLC; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Oct 4, 2025 · 78 permits on file · (281) 893-9400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleAtlas Operating LLC
Production reportsnone
Latest permitPioneer Exploration, LLCMay 21, 2008

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

5,400
total depth, ft
2
permits on file
May 21, 2008
last permit issued
—
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
—
Shut in
—
Plugged
—

Operator's P-5 on the schedule: H

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
Sykes, O. C. 8 O-8-30194Hrubetz (Ellen)Atlas Operating LLC100Oct 2008 – Jul 2026

No volumes reported on these leases in the last three years.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
661110-98DrillPioneer Exploration, LLCNov 7, 2008May 21, 2008Jun 4, 20085,400
661110-99DrillPioneer Exploration, LLCMay 2, 2008May 21, 2008—5,400

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-8-30194————

Formation tops

As filed on W-2/G-1. Subsea from 1,921 ft elevation.Download CSV →

FormationMD ftSubsea
Goen Lime3,750-1,829
Gardner3,850-1,929
Upper Gray4,018-2,097
Ellenburger4,482-2,561
Cambrian Sand5,068-3,147
Cambria Sand5,068-3,147

Perforations

Perforated and open-hole intervals.

FromToType
4,9304,950Perforated
5,0715,080Perforated
5,0955,104Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62523012.25150 S
5.55,2517.875320 S
5.5—7.87570 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
00Apr 27, 2009Nov 20, 2008—
00Dec 11, 2008Nov 3, 2008Yes
00Nov 21, 2008——

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). then paste it into their search.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

54.8K
bbl, last 12 reported months
7.63M
bbl, all reported
Mar 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000099413H-1 InjectionActive18,5001,9004,710–5,280

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 54,835 · prior 12 93,421(-41%)

05K10K15K20242025

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/39935125, documented in the API reference.