WELL · 42-461-03464 · DISTRICT 7

Ross 12 #1

Y

Upton County · Spraberry (Trend Area) field · NO Production  · Vertical

Ross 12 #1 (API 42-461-03464) is a well in Upton County operated by Diamondback E&P LLC, completed July 8, 2011 and listed as no production on the RRC schedule.

The RRC has issued one drilling permit, issued February 10, 2011, permitted to 13,587 ft.

It was permitted by Endeavor Energy Resources L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.

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

Its lease has reported 74K barrels of oil and 93.8K mcf of gas since July 2011, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsEndeavor Energy Resources L.P.through Oct 2024
Latest permitEndeavor Energy Resources L.P.Feb 10, 2011

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

13,587
total depth, ft
1
permits on file
Feb 10, 2011
last permit issued
Jul 8, 2011
completed
74K
cumulative oil, bbl
93.8K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 8, 2011
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

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
Ross "12" O-9-17738Spraberry (Trend Area)Diamondback E&P LLC174K93.8KJul 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 0 · prior 12 656(-100%)

0100200202420252026

Gas, mcf lease total

Last 12 months 0 · prior 12 653(-100%)

0100200300202420252026

Chain of custody

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

  1. 1Endeavor Energy Resources L.P.Jul 2011 → Oct 2024

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
709886-99ReenterEndeavor Energy Resources L.P.Feb 8, 2011Feb 10, 2011Mar 9, 201113,587

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-17738————

Formation tops

As filed on W-2/G-1. Subsea from 2,852 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberrySPRABERRY (TREND AREA)9,136-6,284
Wolfcamp9,136-6,284

Perforations

Perforated and open-hole intervals.

FromToType
9,24510,564Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.62545817.5400 S
9.6255,018114,575 S
4.510,5857.875535 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
00Nov 1, 2013Aug 26, 2013—
00Feb 26, 2013Aug 16, 2011Yes

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/46103464, documented in the API reference.