?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fepisodesplatform.eu%2Feprints%2F2159%2F&rft.title=Cotton+Valley+Production+Stimulation+Hydrofracture%C2%A0%C2%A0+Microseismic+Monitoring+%26+Imaging%2C+Phase+II+(CGU21-9+Fracture+Imaging)%2C+Data+Collection+and+Analysis+Report&rft.creator=Withers%2C+Robert+J.&rft.creator=Dart%2C+Robert+P.&rft.subject=Other-additional+study&rft.subject=Cotton+Valley&rft.subject=Unconventional+hydrocarbon+extraction&rft.description=This+report+is+a+summary+of+the+data+acquisition+and+analysis+of+Phase+ll+fracture+imaging+at+the+Carthage+Cotton+valley+test+site.+Phase+ll+of+this+project+consisted+of+recording+data+from+both+the+CGU21-9+and+CGU22-9+seismic+monitoring+arrays+during+the+production+fracturing+of+the+CGU21-9+well+which+took+place+in+three+stages+on+July+14%2C+16%2C+and+18.++A+48+level+hydrophone+array+was+also+placed+in+the+nearby+CGU27-7+well+in+an+attempt+to+collect+additional+data+for+the+fracture+analysis.+The+CGU21-9+well+was+one+of+the+two+original+monitor+wells+utilized+in+the+recording+of+the+CGU21-10+fracture+stimulation.+The+seismic+monitoring+array+in+the+annulus+of+this+well++was+recorded+during+its+fracture+stimulation+in+an+attempt+to+collect+data+in+a+single+well+imaging+configuration.&rft.publisher=Gas+Research+Institute&rft.date=1997-07&rft.type=Reports&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fepisodesplatform.eu%2Feprints%2F2159%2F1%2F2.pdf&rft.identifier=++Withers%2C+Robert+J.+and+Dart%2C+Robert+P.++(1997)+Cotton+Valley+Production+Stimulation+Hydrofracture+Microseismic+Monitoring+%26+Imaging%2C+Phase+II+(CGU21-9+Fracture+Imaging)%2C+Data+Collection+and+Analysis+Report.++Project+Report.+Gas+Research+Institute.+++++