Petrora

WELL · 42-427-33783 · DISTRICT 4

DE Flores M. S. #4

N

Starr County · Samano (K Sand) field  · Vertical

De Flores M. S. #4 (API 42-427-33783) is a well in Starr County operated by Wagner Oil Company, completed November 15, 2006.

The RRC has issued 2 drilling permits between 2004 and 2019, permitted to 9,000 ft.

Completion filings report 4 formation tops, including Frio, J Sand, K-2 Sand, K-3 Sand.

No lease production has been reported under this well’s leases.

Operator of record

Wagner Oil Company

Fort Worth, TX · P-5 Y, filed Sep 4, 2025 · 278 permits on file · (800) 457-5332

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleWagner Oil Company
Production reportsWagner Oil Companythrough Mar 2020
Latest permitWagner Oil CompanyDec 20, 2019
9,000
total depth, ft
2
permits on file
Dec 20, 2019
last permit issued
Nov 15, 2006
completed
0
cumulative oil, bbl
174K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2005 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 15, 2006
Shut in
—
Plugged
—

Surface location

26.425539, -98.532712

OpenStreetMap → ·  Google Maps →

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

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
DE Flores, M. S. G-4-289137Flores (Frio 4750)Petrovybe Opco LLC1024Feb 2020 – Jul 2026
DE Flores, M. S. G-4-212242Samano (K Sand)Wagner Oil Company10174KJun 2005 – Feb 2020

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1EL Paso Production Oil & Gas Co.Jul 2005 → Jul 2006
  2. 2EL Paso E & P Company, L. P.Aug 2006 → Feb 2008
  3. 3Smith Production Inc.Mar 2008 → Mar 2011
  4. 4Legend Natural Gas IV, LPApr 2011 → Sep 2013
  5. 5Wagner Oil CompanyJan 2020 → Mar 2020

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
860191-99RecompletionWagner Oil CompanyDec 18, 2019Dec 20, 2019Jan 29, 20209,000
554277-99DrillEL Paso Production Oil & Gas Co.Dec 2, 2004Dec 6, 2004Dec 13, 20049,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-212242————
—— G-4-289137————

Formation tops

As filed on W-2/G-1. Subsea from 346 ft elevation.Download CSV →

FormationMD ftSubsea
Frio4,130-3,784
FrioFRIO 47004,400-4,054
FrioFRIO 48504,600-4,254
J Sand5,700-5,354
K-2 Sand5,928-5,582
K-3 Sand6,300-5,954

Perforations

Perforated and open-hole intervals.

FromToType
4,4574,459Perforated
6,4246,572Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,00012.25190 S
4.56,7828.51,000 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
00Jun 15, 2020Jun 4, 2020—
00Apr 3, 2007Nov 30, 2006—
00Jan 26, 2006Aug 3, 2005Yes
00Nov 21, 2005——

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 →

Slick State 'B'42-427-34142

1.8 KM · Urban Oil & Gas Group, LLC · Section with this well →

5600 Sand5,790-5,451
Rincon Sand6,726-6,387
L Sand7,663-7,324
M Sand7,906-7,567
O Sand8,050-7,711
P Sand8,298-7,959
T Sand9,148-8,809
V Sand10,167-9,828

Garcia, I. Y.42-427-34785

2.4 KM · Smith Production Inc. · Section with this well →

Miocene (undifferentiated)1,680-1,351
Catahoula3,500-3,171
Catahoula4,250-3,921
Vicksburg5,460-5,131
Rincon 26,648-6,319
Wilcox—
Yegua—
Cook Mountain—

10 TOPS · FIRST 8

Garcia L&L Co.42-427-34783

6.3 KM · Smith Production Inc. · Section with this well →

Miocene (undifferentiated)650-236
Catahoula970-556
Catahoula3,620-3,206
Vicksburg4,630-4,216
Rincon 25,670-5,256
Ashby Sand7,248-6,834
Cook Mountain—
Jackson—

10 TOPS · FIRST 8

Slick42-427-34807

6.5 KM · Royal Production Company, Inc. · Section with this well →

Miocene (undifferentiated)1,200-777
Catahoula3,230-2,807
Catahoula3,495-3,072
Vicksburg6,660-6,237
Queen City—
Wilcox—
Yegua—
Cook Mountain—

9 TOPS · FIRST 8

Slick42-427-34808

7.1 KM · Royal Production Company, Inc. · Section with this well →

Miocene (undifferentiated)900-481
Catahoula3,065-2,646
Catahoula3,365-2,946
Vicksburg5,850-5,431
Vicksburg6,810-6,391
Yegua—
Cook Mountain—
Jackson—

10 TOPS · FIRST 8

Slick 54142-427-33199

7.2 KM · Texas Independent Explor., Inc. · Section with this well →

Frio3,560-3,157
Vicksbutg I5,215-4,812
Vicksburg5,215-4,812
Vicksburg6,744-6,341

Boston Texas Land & Trust42-215-34167

7.5 KM · Merit Energy Company · Section with this well →

Miocene (undifferentiated)3,027-2,703
Catahoula4,038-3,714
Catahoula4,797-4,473
Vicksburg7,157-6,833
Jackson—

Mayfair Labrisa42-427-33251

8.0 KM · Texas Independent Explor Ltd. · Section with this well →

Frio3,530-3,126
Vicksburg4,485-4,081
First Rincon5,300-4,896
Vicksburg6,560-6,156

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/42733783, documented in the API reference.