WELL · 42-371-39558 · DISTRICT 8

Karen (Occidental) #129

Y

Pecos County · Toborg field · Producing  · Vertical

Karen (Occidental) #129 (API 42-371-39558) is a well in Pecos County operated by West Oil Resources LLC, completed April 16, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued June 2, 2017, permitted to 550 ft.

Completion filings report 10 formation tops, including Toborg, Glorieta, Grayburg, O'Brien.

Its lease has reported 136K barrels of oil since November 2008, last reporting in July 2026. The lease carries 28 wells, so these are lease totals, not this well alone.

Operator of record

West Oil Resources LLC

Bertram, TX · P-5 Y, filed Aug 4, 2025 · 5 permits on file · (512) 801-9718

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleWest Oil Resources LLC
Production reportsWest Oil Resources, LLCthrough Apr 2026
Latest permitWest Oil Resources, LLCJun 2, 2017
550
total depth, ft
1
permits on file
Jun 2, 2017
last permit issued
Apr 16, 2018
completed
136K
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 16, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

30.910200, -101.930380

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Pecos County.

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 28 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Karen (Occidental) O-10-39193ToborgWest Oil Resources, LLC28136K0Nov 2008 – Jul 2026

Oil, barrels lease total

Last 12 months 4,588 · prior 12 5,177(-11%)

05001K202420252026

Chain of custody

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

  1. 1Savior Oil CompanyNov 2008 → Nov 2015
  2. 2West Oil Resources, LLCDec 2015 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
826971-99DrillWest Oil Resources, LLCMay 19, 2017Jun 2, 2017Jul 25, 2016550

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-39193————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Toborg358
Glorieta—
Grayburg—
O'Brien—
Queen—
Rustler—
Seven Rivers—
Soma—
Tubb—
Yates—

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
5.54327.875130 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
00Oct 1, 2019Jun 4, 2019Yes

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Yates Field Unit42-371-34404

0.0 KM · Marathon Oil Company · Section with this well →

Base (Creataceous)3681,991
Base Cretaceous (marker)3681,991
Yates6231,736
Seven Rivers7091,650
Queen1,0861,273
Grayburg1,1221,237
San Andres1,1571,202

Yates Field Unit42-371-33791

0.3 KM · Marathon Oil Company · Section with this well →

Base Cretaceous (marker)4221,994
Yates6641,752
Seven Rivers7451,671
Queen1,1411,275
Grayburg1,1641,252
San Andres1,2061,210

Yates Field Unit42-371-33784

0.3 KM · Marathon Oil Company · Section with this well →

Base Cretaceous (marker)4561,980
Base Cretaceous (marker)4561,980
Yates7071,729
Seven Rivers7881,648
Queen1,1671,269
Grayburg1,1951,241
San Andres1,2481,188

Yates Field Unit42-371-34194

0.3 KM · Marathon Oil Company · Section with this well →

Base (Creataceous)4461,990
Base Cretaceous (marker)4461,990
Yates6951,741
Seven Rivers7821,654
Queen1,1701,266
Grayburg1,2001,236
San Andres1,2481,188

Yates Field Unit42-371-33785

0.4 KM · Marathon Oil Company · Section with this well →

Base Cretaceous (marker)4651,987
Base (Creataceous)4651,987
Yates6961,756
Seven Rivers7841,668
Queen1,1721,280
Grayburg1,2111,241
San Andres1,2521,200

Yates Field Unit42-371-35704

0.4 KM · Marathon Oil Company · Section with this well →

Base Cretaceous (marker)4461,980
Base (Creataceous)4461,980
Yates7301,696
Yates7301,696
Yates7301,696
Seven Rivers8101,616
Queen1,2111,215
Grayburg1,2281,198

9 TOPS · FIRST 8

Yates Field Unit42-371-34403

0.5 KM · Marathon Oil Company · Section with this well →

Base Cretaceous (marker)4361,964
Base (Creataceous)4361,964
Yates6701,730
Seven Rivers7541,646
Queen1,1351,265
Grayburg1,1801,220
Grayubrg1,1801,220
San Adnres1,2181,182

9 TOPS · FIRST 8

Yates Field Unit42-371-34189

0.5 KM · Marathon Oil Company · Section with this well →

Base (Creataceous)3892,006
Base Cretaceous (marker)3892,006
Base Cretaceous (marker)3892,006
Yates6271,768
Seven Rivers7101,685
Queen1,0961,299
Grayburg1,1351,260
San Andres1,1801,215

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/37139558, documented in the API reference.