Gas well integrity and methane migration: evaluation of published evidence during shale-gas development in the USA

Keyphrases

• Pennsylvania 100%
• Shale Gas Development 100%
• Gas Well 100%
• Well Integrity 100%
• Methane Migration 100%
• Production Casing 100%
• Well Water 66%
• Gas Analysis 33%
• Methane Concentration 33%
• Methane 33%
• Texas 33%
• Colorado 33%
• Ohio 33%
• Wyoming 33%
• Isotopic Signature 33%
• West Virginia 33%
• Gas Migration 33%
• Most Common Cause 33%
• Land Surface 33%
• United States Environmental Protection Agency (USEPA) 33%
• Water Resource Impacts 33%
• Noble Gases 33%
• Annular Space 33%
• Intermediate Depth 33%
• Remedial Actions 33%
• Fugitive Gas 33%
• Shallow Freshwaters 33%
• Freshwater Aquifer 33%

Earth and Planetary Sciences

• Methane 100%
• United States of America 100%
• Gas Well 100%
• Shale Gas 100%
• Pennsylvania 75%
• Environmental Protection Agency 25%
• Gas Analysis 25%
• Colorado 25%
• Ohio 25%
• West Virginia 25%
• Land Surface 25%
• Texas 25%
• Wyoming 25%
• Rare Gas 25%
• Hydraulic Fracturing 25%

Engineering

• Methane 100%
• Gas Well 100%
• Shale Gas 100%
• Well Integrity 100%
• Production Casing 75%
• Water Well 50%
• Hydraulic Fracturing 25%
• Gas Migration 25%
• Land Surface 25%
• Annular Space 25%
• Environmental Protection Agency 25%
• Water Resource 25%