Introduction to Borehole Observatories in ODP/IODP

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Componentsfor multi-levelpressuremonitoringand fluidsamplingAt wellhead:absolute pressure sensors,PPB digitizers, T sensors,power, data storage,and pressure line control valvesOutside sealed casing:permeable filterscreensPressure transmissionfrom screens to seafloorvia hydraulic tubing12
CORK components deployed inside or below casingWellheadconnections:electrical, pressure,flow, and inside-casingaccessSeismometer, tilt meterin or below casingThermistorsinside, outside,or below casingStrainmeterbelow casing13
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: Evolution of CORK Designs, 1991-201
Page 15 and 16: Fluid Sampling via CORKs (II)When t
Page 17 and 18: 2011 ROV Fly-Around, Hole 1362A COR
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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