WELL · 42-135-36713 · DISTRICT 8

Ratliff Ranch -A- #1035

Y

Ector County · Headlee N. (Devonian) field · Producing  · Vertical

Ratliff Ranch -A- #1035 (API 42-135-36713) is a well in Ector County operated by Diamondback E&P LLC, completed June 21, 1993 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued March 1, 1993, permitted to 13,800 ft.

It was permitted by Amoco Production Company and has since transferred to Diamondback E&P LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Spraberry, Devonian, Ellenburger.

Its lease has reported 155K barrels of oil and 1.46M mcf of gas since June 1993, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Permitted by Amoco Production Company; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitAmoco Production CompanyMar 1, 1993

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

13,800
total depth, ft
2
permits on file
Mar 1, 1993
last permit issued
Jun 21, 1993
completed
155K
cumulative oil, bbl
1.46M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 21, 1993
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
Ratliff Ranch -A- O-10-33876Headlee, N. (Devonian)Diamondback E&P LLC1155K1.46MJun 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 2,314 · prior 12 34,783(-93%)

05K10K202420252026

Oil, barrels lease total

Last 12 months 161 · prior 12 1,544(-90%)

0100200300202420252026

Chain of custody

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

  1. 1Amoco Production CompanyJun 1993 → Feb 1997
  2. 2Altura Energy Ltd.Mar 1997 → Feb 1998
  3. 3Union Pacific Resources CompanyMar 1998 → Jan 2001
  4. 4Rme Petroleum CompanyFeb 2001 → Nov 2002
  5. 5Anadarko E&P Company LPDec 2002 → Nov 2004
  6. 6Merit Energy CompanyDec 2004 → Jul 2010
  7. 7PDC-WV-Co CorporationAug 2010 → Aug 2010
  8. 8PDC EnergySep 2010 → Jan 2012
  9. 9COG Operating LLCFeb 2012 → Jan 2019
  10. 10Torch Operating LLCFeb 2019 → Jun 2020
  11. 11Firebird Energy LLCJul 2020 → Nov 2022
  12. 12Diamondback E&P LLCDec 2022 → Oct 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
409444-98DrillAmoco Production CompanyJun 29, 1993Mar 1, 1993—13,800
409444-99DrillAntelope Production Co.Mar 1, 1993Mar 1, 1993Mar 5, 199313,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-33876————

Formation tops

As filed on W-2/G-1. Subsea from 3,026 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberrySPRAYBERRY7,625-4,599
Devonian11,856-8,830
Ellenburger13,620-10,594

Perforations

Perforated and open-hole intervals.

FromToType
12,12012,300Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37539817.5425 S
8.6255,41012.252,000 S
5.513,5937.8751,740 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 19, 1994Jun 23, 1994—
00Aug 23, 1993Jul 2, 1993Yes
00Aug 17, 1993Jul 14, 1993—
00Jul 14, 1993——

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/13536713, documented in the API reference.