WELL · 42-173-39166 · DISTRICT 10

Yorktown #1DN

Y

Glasscock County · Spraberry (Trend Area) field · Producing  · Horizontal

Yorktown #1DN (API 42-173-39166) is a horizontal well in Glasscock County operated by Oxyrock Operating LLC, completed October 2, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 18, 2024, permitted to 9,000 ft.

Completion filings report 10 formation tops, including Santa Rosa, Rustler, Yates, Seven Rivers.

Its lease has reported 528K barrels of oil and 1.86M mcf of gas since September 2025, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.

Operator of record

Oxyrock Operating LLC

Houston, TX · P-5 Y, filed Mar 4, 2026 · 392 permits on file · (713) 215-7000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleOxyrock Operating LLC
Production reportsOxyrock Operating, LLCthrough Apr 2026
Latest permitOxyrock Operating, LLCSep 18, 2024
9,000
total depth, ft
1
permits on file
Sep 18, 2024
last permit issued
Oct 2, 2025
completed
528K
cumulative oil, bbl
1.86M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 2, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.849765, -101.751295

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Glasscock 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 5 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Yorktown O-10-64664Spraberry (Trend Area)Oxyrock Operating, LLC5528K1.86MSep 2025 – Jul 2026

Oil, barrels lease total

Last 12 months 528,438 · prior 12 0

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 1,858,714 · prior 12 0

0200K400K202420252026

Chain of custody

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

  1. 1Oxyrock Operating, LLCSep 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
902677-99DrillOxyrock Operating, LLCSep 14, 2024Sep 18, 2024Feb 17, 20259,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-64664————

Formation tops

As filed on W-2/G-1. Subsea from 2,588 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa8051,783
Rustler1,4271,161
Yates2,198390
Seven Rivers2,352236
Queen3,099-511
Grayburg3,793-1,205
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,066-1,478
Glorieta4,701-2,113
Clear ForkCLEARFORK5,735-3,147
Spraberry6,883-4,295

Perforations

Perforated and open-hole intervals.

FromToType
8,48518,826Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37533317.5305 S
9.6255,01811.625865 S
5.518,8477.8751,830 S
5.518,8478.751,830 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
00Mar 20, 2026Feb 10, 2026Yes

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). 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 →

Yorktown42-173-39167

0.0 KM · Oxyrock Operating, LLC · Section with this well →

Santa Rosa8001,788
Rustler1,4271,161
Yates2,206382
Seven Rivers2,349239
Queen3,100-512
Grayburg3,796-1,208
San Andres4,062-1,474
Glorieta4,698-2,110

10 TOPS · FIRST 8

Yorktown42-173-39168

0.0 KM · Oxyrock Operating, LLC · Section with this well →

Santa Rosa8051,783
Rustler1,4251,163
Yates2,200388
Seven Rivers2,351237
Queen3,099-511
Grayburg3,794-1,206
San Andres4,063-1,475
Glorieta4,698-2,110

10 TOPS · FIRST 8

Yorktown42-173-39169

0.0 KM · Oxyrock Operating, LLC · Section with this well →

Santa Rosa8071,780
Rustler1,4321,155
Yates2,204383
Seven Rivers2,355232
Queen3,106-519
Grayburg3,799-1,212
San Andres4,066-1,479
Glorieta4,706-2,119

10 TOPS · FIRST 8

Yorktown42-173-39170

0.0 KM · Oxyrock Operating, LLC · Section with this well →

Santa Rosa8091,778
Rustler1,4341,153
Yates2,207380
Seven Rivers2,357230
Queen3,107-520
Grayburg3,802-1,215
San Andres4,074-1,487
Glorieta4,710-2,123

10 TOPS · FIRST 8

Yorktown E42-173-39171

0.2 KM · Oxyrock Operating, LLC · Section with this well →

Santa Rosa7921,794
Rustler1,4161,170
Yates2,186400
Seven Rivers2,334252
Queen3,094-508
Grayburg3,799-1,213
San Andres4,077-1,491
Glorieta4,707-2,121

10 TOPS · FIRST 8

Saratoga42-173-39019

0.2 KM · Crownquest Operating, LLC · Section with this well →

Rustler1,4151,170
Yates2,201384
Grayburg3,820-1,235
San Andres4,208-1,623
Glorieta4,859-2,274
Clear Fork5,732-3,147
Spraberry6,886-4,301
Santa Rosa—

10 TOPS · FIRST 8

Saratoga42-173-39020

0.2 KM · Crownquest Operating, LLC · Section with this well →

Rustler1,4341,151
Yates2,216369
Grayburg3,818-1,233
San Andres4,191-1,606
Glorieta4,890-2,305
Clear Fork5,729-3,144
Spraberry6,915-4,330
Santa Rosa—

10 TOPS · FIRST 8

Saratoga42-173-39018

0.2 KM · Crownquest Operating, LLC · Section with this well →

Rustler1,4171,168
Yates2,207378
Grayburg3,826-1,241
San Andres4,194-1,609
Glorieta4,875-2,290
Clear Fork5,752-3,167
Spraberry6,901-4,316
Queen—

10 TOPS · FIRST 8

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/17339166, documented in the API reference.