WELL · 42-371-38218 · DISTRICT 8

Grande Unit #2

Y

Pecos County · Maralo (Wolfcamp) field · NO Production  · Vertical

Grande Unit #2 (API 42-371-38218) is a well in Pecos County operated by Vaquero Operating, completed December 21, 2008 and listed as no production on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued February 26, 2008, permitted to 12,500 ft.

It was permitted by Primexx Operating Corporation and has since transferred to Vaquero Operating on the wellbore schedule.

Completion filings report 5 formation tops, including Captain Reef, Delaware, Cherry Canyon, Bone Spring.

Its lease has reported 37.3K barrels of oil and 1.47M mcf of gas since December 2008, last reporting in July 2026.

Operator of record

Vaquero Operating

Permitted by Primexx Operating Corporation; the EWA schedule now lists a different operator.

FT Stockton, TX · P-5 Y, filed Jun 4, 2026 · (432) 290-3403

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleVaquero Operating
Production reportsVaquero Operatingthrough Apr 2026
Latest permitPrimexx Operating CorporationFeb 26, 2008

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

12,500
total depth, ft
2
permits on file
Feb 26, 2008
last permit issued
Dec 21, 2008
completed
37.3K
cumulative oil, bbl
1.47M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 21, 2008
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Grande Unit O-10-39734Maralo (Wolfcamp)Vaquero Operating137.3K1.47MDec 2008 – Jul 2026

Gas, mcf lease total

Last 12 months 6,586 · prior 12 5,303(+24%)

01K2K202420252026

Chain of custody

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

  1. 1Primexx Operating CorporationDec 2008 → Sep 2017
  2. 2Black Mountain Oil & Gas II LLCOct 2017 → Sep 2019
  3. 3Vaquero OperatingDec 2019 → Dec 2022

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
655398-98DrillPrimexx Operating CorporationNov 2, 2009Feb 26, 2008Oct 4, 200812,500
655398-99DrillPrimexx Operating CorporationFeb 15, 2008Feb 26, 2008Oct 4, 200812,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-39734————

Formation tops

As filed on W-2/G-1. Subsea from 2,988 ft elevation.Download CSV →

FormationMD ftSubsea
Captain Reef2,995-7
DelawareDELAWARE SAND4,940-1,952
Cherry Canyon5,706-2,718
Bone Spring7,344-4,356
Wolfcamp9,274-6,286

Perforations

Perforated and open-hole intervals.

FromToType
10,53310,547Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37588017.5850 S
9.6255,40612.51,295 S
711,20511250 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
00May 6, 2010Aug 12, 2009Yes
00Mar 4, 2010——

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.

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/37138218, documented in the API reference.