WELL · 42-311-36918 · DISTRICT 1

Milestone SWD #2

WaterN

McMullen County  · Vertical

Milestone Swd #2 (API 42-311-36918) is a disposal or injection well in Mcmullen County operated by Evx Operating LLC under an active UIC permit.

The RRC has issued 2 drilling permits (amended once) between 2019 and 2026, permitted to 12,100 ft.

Completion filings report 10 formation tops, including Yegua, Wilcox, Navarro, Escondido.

It holds an active disposal or injection permit; TexNet located 0 M2+ earthquakes within 10 km over the last two years.

Operator of record

Evx Operating LLC

Houston, TX · P-5 Y, filed Jan 4, 2026 · 1 permits on file · (713) 454-7022

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsnone
Latest permitEvx Operating LLCJan 27, 2026
12,100
total depth, ft
3
permits on file
Jan 27, 2026
last permit issued
—
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

28.481596, -98.660156

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in McMullen 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
Milestone SWD O-1-20049Eagleville (Eagle Ford-1)Evx Operating LLC100Jun 2019 – Jul 2026

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
913086-99RecompletionEvx Operating LLCJan 23, 2026Jan 27, 2026—12,100
848362-98DrillEvx Midstream Partners LLCApr 17, 2019Jan 9, 2019May 1, 201912,100
848362-99DrillEvx Midstream Partners LLCJan 4, 2019Jan 9, 2019—12,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-20049————

Formation tops

As filed on W-2/G-1. Subsea from 348 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL200148
WilcoxWILCOX - DISPOSAL4,750-4,402
Navarro6,380-6,032
Escondido7,224-6,876
Olmos8,585-8,237
Anacacho10,018-9,670
Austin Chalk10,496-10,148
Eagle FordEAGLE FORD - H2S10,605-10,257
CatahoulaCATAHOULA - DISPOSAL——
FrioFRIO - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
10,98211,085Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
164,748203,505 S
10.756,12814.752,820 S
7.62512,0989.8752,365 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
00Jan 26, 2026Sep 22, 2025—
00May 11, 2020Feb 27, 2020—

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 →

Palisades F42-311-37638

0.7 KM · EOG Resources, Inc. · Section with this well →

Yegua1,349-990
Wilcox3,473-3,114
Carrizo4,307-3,948
Anacacho10,008-9,649
Austin Chalk10,525-10,166
Frio—
Escondido—
Catahoula—

10 TOPS · FIRST 8

Palisades E42-311-37637

0.7 KM · EOG Resources, Inc. · Section with this well →

Yegua1,344-985
Wilcox3,468-3,109
Anacacho10,030-9,671
Austin Chalk10,517-10,158
Eagle Ford10,547-10,188
Frio—
Escondido—
Catahoula—

10 TOPS · FIRST 8

Palisades D42-311-37636

0.7 KM · EOG Resources, Inc. · Section with this well →

Yegua1,337-977
Wilcox3,461-3,101
Carrizo4,295-3,935
Anacacho9,992-9,632
Austin Chalk10,509-10,149
Navarro—
Frio—
Escondido—

10 TOPS · FIRST 8

Palisades C42-311-37635

0.7 KM · EOG Resources, Inc. · Section with this well →

Yegua1,337-988
Wilcox3,461-3,112
Anacacho10,021-9,672
Austin Chalk10,498-10,149
Eagle Ford10,527-10,178
Olmos—
Frio—
Navarro—

10 TOPS · FIRST 8

Palisades B42-311-37634

0.7 KM · EOG Resources, Inc. · Section with this well →

Yegua1,333-973
Wilcox3,457-3,097
Carrizo4,291-3,931
Anacacho9,963-9,603
Austin Chalk10,482-10,122
Frio—
Catahoula—
Olmos—

10 TOPS · FIRST 8

Palisades A42-311-37633

0.7 KM · EOG Resources, Inc. · Section with this well →

Yegua1,325-967
Wilcox3,449-3,091
Carrizo4,283-3,925
Anacacho9,952-9,594
Austin Chalk10,466-10,108
Escondido—
Olmos—
Navarro—

10 TOPS · FIRST 8

Rancho Tres Hijos Allocation A42-311-36898

2.1 KM · Trinity Operating (Usg), LLC · Section with this well →

Frio1,451-1,147
Catahoula1,582-1,278
Yegua2,873-2,569
Wilcox4,707-4,403
Navarro8,087-7,783
Olmos8,196-7,892
Escondido8,297-7,993
Anacacho9,970-9,666

10 TOPS · FIRST 8

Rancho Tres Hijos Allocation B42-311-36919

2.1 KM · Trinity Operating (Usg), LLC · Section with this well →

Frio1,456-1,148
Catahoula1,585-1,277
Yegua2,875-2,567
Wilcox4,727-4,419
Navarro8,107-7,799
Escondido8,317-8,009
Olmos8,427-8,119
Anacacho10,096-9,788

10 TOPS · FIRST 8

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
3.99M
bbl, all reported
Mar 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000117499W-14 DisposalActive30,0005,20010,500–12,100

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 0 · prior 12 0

0120242025

TexNet catalog via USGS

Seismicity near this well

0
M2+ events within 10 km, last 2 years
—
largest

A proximity count, not an attribution. How to read it →

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/31136918, documented in the API reference.