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USC_Sec_4_Logging_Environment_ppt_3pp

USC_Sec_4_Logging_Environment_ppt_3pp - PTE-461 Formation...

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1 Donald G. Hill, Ph.D., R.Gp, R. G., R.P.G., L.P.Gp. [email protected] PTE-461: Fall 2007 Section 4: Logging Environment Slide No.: 1 PTE-461 Formation Evaluation Fall Semester, 2007 Section 4 Logging Environment Donald G. Hill, Ph.D., R.Gp, R. G., R.P.G., L.P.Gp. [email protected] PTE-461: Fall 2007 Section 4: Logging Environment Slide No.: 2 Measurement Environment Laboratory Small rock sample Sample holder – Measurement transducers attached to sample Controlled sample environment Controlled Laboratory environment Field (logging) Sample is earth Sample holder is borehole – Measurement transducers contained in logging tool (Sonde) Sonde subject to borehole environment Surface unit subjected to weather and transport Donald G. Hill, Ph.D., R.Gp, R. G., R.P.G., L.P.Gp. [email protected] PTE-461: Fall 2007 Section 4: Logging Environment Slide No.: 3 Well Logging Set-Up Sonde suspended on 1 to 9- conducter double armor wrap cable Passes over sheave hung from traveling block Passes under sheave anchored to drill floor Passes through depth encoder on level-wind spooler to winch drum Measurements made at Sonde and transmitted to surface unit via cable Surface unit supplies power to Sonde via cable Surface unit contains winch, Power supply, data processing, and recording equipment
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