TEXAS · WELLS · MARTIN COUNTY · MABEE 239D LEASE · API 42-317-36161 · DISTRICT 7B

Mabee 239D #1601R

Shut in

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

Fields on the latest permit · any of 20
Block 7 (Ellenburger) · J. L. M. (Mississippian) · Lacaff (Dean) · Lowe (Atoka) · Lowe (Dean) · Lowe (Strawn) · Lucky Stan (Atoka Reef) · Mabee · Mabee (Clear Fork) · Mabee (Dean) · Mabee (Strawn) · Field 56380800 · Moonlight (Atoka) · Paul Page (Atoka) · Sale Ranch (Strawn) · Spraberry (Trend Area) · Spraberry (Trend Area CL. Fk.) · Spraberry (Trend Area Strawn) · Spraberry (Wolfcamp, Lower) · Field 88383100
Not one formation; the well must be completed in one of them, and no target formation is stated. The district's wildcat field is also on the permit.

Mabee 239d #1601R (API 42-317-36161) is a well in Martin County operated by Cog Operating LLC, completed September 2, 2010 and listed as shut in on the RRC schedule, shut in April 1, 2026.

The RRC has issued one drilling permit, issued July 19, 2010, permitted to 11,950 ft.

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

Completion filings report 6 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.

Its lease has reported 1.01M barrels of oil and 2.61M mcf of gas since September 2010, last reporting volume in April 2026. The lease carries 23 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.Jul 19, 2010

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

11,950
total depth, ft
1
permits on file
Jul 19, 2010
last permit issued
Sep 2, 2010
completed
1.01M
cumulative oil, bbl
2.61M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2010 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 2, 2010
Shut in
Apr 1, 2026
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 23 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Mabee 239D O-10-40730Spraberry (Trend Area)COG Operating LLC231.01M2.61MSep 2010 – Apr 2026

Oil, barrels lease total

Last 12 months 15,185 · prior 12 25,506(-40%)

02K4K202420252026

Gas, mcf lease total

Last 12 months 113,200 · prior 12 127,919(-12%)

05K10K15K202420252026

Chain of custody

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

  1. 1Reliance Energy, Inc.Sep 2010 → Dec 2010
  2. 2OXY USA Inc.Jan 2011 → Jul 2017
  3. 3COG Operating LLCAug 2017 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
699091-99DrillReliance Energy, Inc.Jul 15, 2010Jul 19, 2010Jul 29, 201013,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 2, 2010Mabee 239D O-10-40730Spraberry (Trend Area)COG Operating LLCShut In · shut in Apr 1, 202611,950

Formation tops

As filed on W-2/G-1. Subsea from 2,873 ft elevation.Download CSV →

FormationMD ftSubsea
Clear ForkCLEARFORK6,858-3,985
Spraberry8,200-5,327
Dean9,530-6,657
Wolfcamp9,649-6,776
Strawn10,929-8,056
Atoka11,155-8,282

Perforations

Perforated and open-hole intervals.

FromToType
8,32810,810Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37538517.5375 S
8.6255,20911800 S
5.511,9507.8751,150 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
00Jun 24, 2011Nov 10, 2010Yes

Well logs

1 log loaded from the RRC's log index, the latest received Aug 22, 2011. 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 Clear Fork, Spraberry, Dean, Wolfcamp, Strawn, AtokaTIFF5,420 to 11,866Aug 22, 2011run Aug 18, 20103.67

"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/31736161, documented in the API reference.