TEXAS · WELLS · ECTOR COUNTY · RATLIFF B LEASE · API 42-135-41704 · DISTRICT 7B

Ratliff B #1613

Shut in

Ector County · Spraberry (Trend Area) field · Shut In  · Vertical

Ratliff B #1613 (API 42-135-41704) is a well in Ector County operated by Cog Operating LLC, completed October 12, 2012 and listed as shut in on the RRC schedule, shut in April 1, 2024.

The RRC has issued one drilling permit, issued April 5, 2012, permitted to 11,434 ft.

It was permitted by Reliance Energy, Inc. and has since transferred to Cog Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Spraberry, Strawn, Atoka.

Its lease has reported 1.27M barrels of oil and 3.39M mcf of gas since January 2010, last reporting volume in April 2026. The lease carries 17 wells, so these are lease totals, not this well alone.

Operator of record

COG Operating LLC

Permitted by Reliance Energy, Inc.; 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 permitReliance Energy, Inc.Apr 5, 2012

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

11,434
total depth, ft
1
permits on file
Apr 5, 2012
last permit issued
Oct 12, 2012
completed
1.27M
cumulative oil, bbl
3.39M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2010 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 12, 2012
Shut in
Apr 1, 2024
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 17 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Ratliff B O-10-40445Spraberry (Trend Area)COG Operating LLC171.27M3.39MJan 2010 – Apr 2026

Oil, barrels lease total

Last 12 months 17,930 · prior 12 23,912(-25%)

02K4K202420252026

Gas, mcf lease total

Last 12 months 117,829 · prior 12 101,319(+16%)

05K10K15K202420252026

Chain of custody

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

  1. 1Reliance Energy, Inc.Jan 2010 → Sep 2016
  2. 2COG Operating LLCOct 2016 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
736541-99DrillReliance Energy, Inc.Mar 21, 2012Apr 5, 2012Aug 25, 201213,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 12, 2012Ratliff B O-10-40445Spraberry (Trend Area)COG Operating LLCShut In · shut in Apr 1, 202411,434

Formation tops

As filed on W-2/G-1. Subsea from 2,935 ft elevation.Download CSV →

FormationMD ftSubsea
Spraberry8,117-5,182
Strawn10,365-7,430
Atoka10,655-7,720

Perforations

Perforated and open-hole intervals.

FromToType
7,73610,328Perforated
10,43410,604Perforated
10,92411,230Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37532017.5375 S
8.6254,92211600 S
5.511,4347.8751,100 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Dec 10, 2013Jan 24, 2013Yes

Well logs

1 log loaded from the RRC's log index, the latest received Sep 17, 2015. Neutron. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.

Open the RRC's log search for this well ↗
Logas describedFiles Intervalft, as filedDatereceivedSizeMB
NEUTRON POROSITYSpans Spraberry, Strawn, AtokaTIFF0 to 11,285Sep 17, 2015run Sep 19, 20128.78

"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

The logs loaded for this well are under Well logs, with the RRC's log search for it. The University Lands library has no per-well link: then paste it into its 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/13541704, documented in the API reference.