Introduction to Borehole Observatories in ODP/IODP

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CORK-II System as onIODP Exps. 327, 336 -Current “Standard” Modelfor Basement Holes•Four nested casing strings, withmultiple sealing systemsMultiple monitoring levels withinflatable + swellable packersTubing umbilical from formation toseafloor, bringing pressure and fluidsto wellhead gauges and samplersFree-flow valve for producing holeMultiple sensors/samplerssuspended in hole:••••••Memory temperature loggersFluid/gas “OsmoSamplers”Microbiological experiments•
2011 ROV Fly-Around, Hole 1362A CORK-IICourtesy A. Fisher, S.Video Courtesy Andy Fisher
Page 2 and 3: Early ODPObservatory EffortsDating
Page 4 and 5: ODP CORK and OSN/ION Holes, 1991-20
Page 6 and 7: Motivation: Hydrological Disruption
Page 8 and 9: Original ODP CORK Hydrogeological O
Page 11 and 12: Evolution of CORK Designs, 1991-201
Page 13 and 14: CORK components deployed inside or
Page 15: Fluid Sampling via CORKs (II)When t
Page 19 and 20: •••CORK Funding Model(s)Red/o
Page 21 and 22: Wireline CORK + CORK-LiteWireline C
Page 23: Borehole Observatories Connected to

Introduction to Borehole Observatories in ODP/IODP

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