PERMITS · 910931-98 · DISTRICT 1

Drill: Washburn Ranch 01 #18H

Spudded

Silverbow Resources Oper, LLC  ·  LA Salle County  · Horizontal

Oct 15, 2025
issued
11,000
permitted depth, ft
42-283-37841
API number
2
versions on file

FIRST SEEN BY PETRORA SEP 30, 2026 · WHY THIS DIFFERS FROM THE ISSUE DATE

Lifecycle

  1. Oct 15, 2025Issued · Permit approved
  2. Nov 28, 2025Spud · Drilling began
  3. Nov 30, 2025Surface casing · Surface string set
  4. Sep 25, 2026Received · Application received by the RRC
  5. Sep 28, 2026Amended · Changed after issuance
  6. Oct 15, 2027Expires · Unless drilled or extended before then

A drilling permit is valid for two years from issuance unless extended. How permits work →

Surface location

Acres
7,947.84
Nearest town
21.9 mi SE of Cotulla

No coordinates yet. The RRC's GIS record usually lands within days of issuance; permits from the historical master file never carry one.

Versions

The RRC numbers versions down from 99: 99 is the original filing, 98 the first amendment. Current version first.

SeqTypeOperatorReceivedIssuedAmendedDepthSeen
98DrillSilverbow Resources Oper, LLCSep 25, 2026Oct 15, 2025Sep 28, 202611,000Sep 30, 2026
99DrillSilverbow Resources Oper, LLCOct 6, 2025Oct 15, 2025—9,000Oct 15, 2025

Application records

Status entries the RRC filed against this permit number.

Status no.ReceivedStatusOperatorLease / well
910931-98Sep 25, 2026ASilverbow Resources Oper, LLCWashburn Ranch 01 #18H
910931-99Oct 6, 2025ASilverbow Resources Oper, LLCWashburn Ranch 01 #18H

About this data

W-1 drilling permit from the RRC OGA049M master and daily daf420 files, refreshed every business day. Surface coordinates come from the daily file only. Amendments appear as sequence numbers on the same permit; the lowest is current.

Developers: this page as JSON is GET /v1/data/permits/tx/910931, documented in the API reference.