WELL · 42-317-40928 · DISTRICT 8

Finishing Nail 2528C #7MS

Y

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

Finishing Nail 2528c #7MS (API 42-317-40928) is a horizontal well in Martin County operated by Oxyrock Operating LLC, completed April 14, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 1, 2017, permitted to 8,700 ft.

It was permitted by Crownquest Operating, LLC and has since transferred to Oxyrock Operating LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Yates, Grayburg, San Andres, Spraberry.

Its lease has reported 424K barrels of oil and 1.06M mcf of gas since April 2018, last reporting in July 2026.

Operator of record

Oxyrock Operating LLC

Permitted by Crownquest Operating, LLC; the EWA schedule now lists a different operator.

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 permitCrownquest Operating, LLCSep 1, 2017

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

8,700
total depth, ft
1
permits on file
Sep 1, 2017
last permit issued
Apr 14, 2018
completed
424K
cumulative oil, bbl
1.06M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 14, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.137135, -102.003394

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Martin 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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Finishing Nail 2528C O-10-50544Spraberry (Trend Area)Oxyrock Operating, LLC1424K1.06MApr 2018 – Jul 2026

Oil, barrels lease total

Last 12 months 25,424 · prior 12 33,797(-25%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 85,082 · prior 12 57,216(+49%)

05K10K202420252026

Chain of custody

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

  1. 1Crownquest Operating, LLCApr 2018 → Jul 2024
  2. 2Oxyrock Operating, LLCAug 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
829076-99DrillCrownquest Operating, LLCJul 21, 2017Sep 1, 2017Sep 21, 20178,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-50544————

Formation tops

As filed on W-2/G-1. Subsea from 2,765 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,67590
Grayburg4,356-1,591
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,528-1,763
Spraberry7,628-4,863
Cisco——
Dean——
Pennsylvanian——
Queen——
Santa Rosa——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
8,44418,645Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,64617.51,450 S
9.6258,10012.25965 S
5.518,8378.51,480 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 26, 2018Aug 13, 2018Yes

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 →

Finishing Nail 2528B42-317-40919

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

Yates2,71653
Grayburg4,397-1,628
San Andres4,565-1,796
Spraberry7,640-4,871
Cisco—
Dean—
Pennsylvanian—
Queen—

10 TOPS · FIRST 8

Hammer F42-317-43225

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

Yates2,70276
Grayburg4,381-1,603
San Andres4,568-1,790
Spraberry7,633-4,855
Spraberry8,156-5,378
Dean—
Santa Rosa—
Wolfcamp—

10 TOPS · FIRST 8

Hammer F42-317-43224

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

Yates2,71068
Grayburg4,386-1,608
San Andres4,557-1,779
Spraberry7,638-4,860
Dean8,986-6,208
Cisco—
Pennsylvanian—
Wolfcamp—

10 TOPS · FIRST 8

Hammer F42-317-43222

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

Yates2,70672
Grayburg4,383-1,605
San Andres4,569-1,791
Spraberry7,634-4,856
Dean8,943-6,165
Wolfcamp9,202-6,424
Cisco—
Pennsylvanian—

10 TOPS · FIRST 8

Hammer F42-317-43223

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

Yates2,70573
Grayburg4,385-1,607
San Andres4,555-1,777
Spraberry7,635-4,857
Pennsylvanian—
Cisco—
Dean—
Santa Rosa—

10 TOPS · FIRST 8

Hammer E42-317-43219

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

Yates2,71761
Grayburg4,398-1,620
San Andres4,569-1,791
Spraberry7,653-4,875
Dean8,979-6,201
Wolfcamp9,338-6,560
Pennsylvanian—
Queen—

12 TOPS · FIRST 8

Hammer E42-317-43220

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

Yates2,71563
Grayburg4,389-1,611
San Andres4,570-1,792
Spraberry7,649-4,871
Spraberry8,188-5,410
Dean—
Queen—
Santa Rosa—

10 TOPS · FIRST 8

Finishing Nail 2528A42-317-40845

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

Yates2,71459
Grayburg4,367-1,594
San Andres4,537-1,764
Spraberry7,650-4,877
Dean—
Wolfcamp—
Santa Rosa—
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/31740928, documented in the API reference.