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Service Description: This service pulls data from multiple source tables in the Illinois State Geological Survey (ISGS) wells database related to oil and gas wells and samples and cores records. This service was last updated on 6/16/2025 and contains 206810 records in the Wells layer and 56278 records in the Samples and Cores layer.
Map Name: Wells
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Dynamic Legend
Dynamic All Layers
Layers:
Description: This service pulls data from multiple source tables in the Illinois State Geological Survey (ISGS) wells database related to oil and gas wells and samples and cores records. This service was last updated on 6/16/2025 and contains 206810 records in the Wells layer and 56278 records in the Samples and Cores layer.
Copyright Text: Illinois State Geological Survey
Spatial Reference:
102100
(3857)
Single Fused Map Cache: false
Initial Extent:
XMin: -9941791.33013358
YMin: 4610473.770134606
XMax: -9926950.686568074
YMax: 4622048.051958422
Spatial Reference: 102100
(3857)
Full Extent:
XMin: -1.017927864147621E7
YMin: 4444688.898988375
XMax: -9684796.259792913
YMax: 5311127.436213601
Spatial Reference: 102100
(3857)
Time Info:
Time Extent:
[1801/01/01 06:00:00 UTC, 2025/05/14 06:00:00 UTC]
Time Reference:
N/A
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: Wells
Author:
Comments:
Subject: Oil and Gas Wells in Illinois
Category:
Keywords: oil,gas,wells,ILOIL,ISGS,Illinois
AntialiasingMode: None
TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 2000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON, PBF
Supports Query Data Elements: true
Min Scale: 577790.554289
Max Scale: 0
Supports Datum Transformation: true
Child Resources:
Info
Dynamic Layer
Supported Operations:
Export Map
Identify
QueryDomains
QueryLegends
Find
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