| Title | Examination of Possibly Induced Seismicity from Hydraulic Fracturing in the Eola Field, Garvin County, Oklahoma |
| Publication Type | Journal Article |
| Year of Publication | Submitted |
| Authors | Holland, Austin |
| Journal | Oklahoma Geological Survey Open-File Report OF1-2011 |
| Notes | 'Determining!whether!or!not!earthquakes!have!been!induced!in!most!portions!of!the!stable!continent!is!problematic,!because!of!our!poor!knowledge!of!historical!earthquakes,!earthquake!processes!and!the!long!recurrence!intervals!for!earthquakes!in!the!stable!continent.!!In!addition!understanding!fluid!flow!and!pressure!diffusion!in!the!unique!geology!and!structures!of!an!area!poses real!and!significant!challenges.!!!The!strong!spatial!and!temporal!correlations!to!the!hydraulic:fracturing!in!Picket!Unit!B!Well!4:18!certainly!suggest!that!the!earthquakes!observed!in!the!Eola!Field!could!have!possibly!been!triggered!by!this!activity.!!Simply!because!the!earthquakes!fit!a!simple!pore!pressure!diffusion!model!does!not!indicate!that!this!is!the!physical!process!that!caused!these!earthquakes.!The!number!of!historical!earthquakes!in!the!area!and!uncertainties!in!hypocenter!locations make!it!impossible!to!determine!with!a!high!degree!of!certainty!whether!or!not!hydraulic:fracturing!induced!these!earthquakes.!!\n - mcdevl2'
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