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View from Jack Boy Hill
overlooking the Pelican Ghaut drillhole site. |
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SHV from Trants. |
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CS 500 rig set-up at the
Pelican Ghaut (Trant's or Airport) site. Mast set vertically, and
coupled 10 foot lengths of PQ casing arranged in foreground in 20 foot
segments. |
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1500 gallon water truck.
Broken-down and awaiting a connecting rod replacement. |
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Turntable of rig with HQ
casing used as drill-rod to core beyond the base of the larger
diameter PQ casing, set to 500 feet. |
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Drill-rig with operating
platform and controls. HQ casing set in hole. |
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Close-up of PQ casing with
the HQ casing set inside and drilling to completion depth for
instrument installation. |
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Cutting shoe. |
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Cutting shoe. |
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Wireline tool to recover
core barrel from down-hole. |
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Casing joints. Casing used
as drill rod in this particular application. |
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PQ casing, left, and core
barrels. |
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Core barrels. |
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Core-catcher in barrel
tip. |
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Couplings for the wireline
tool. |
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Wireline couplings. |
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Mud tanks. |
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Drilling in progress with
returned circulation. |
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Wireline recovery of core
from the hole base. Laying core barrel on the ground, following its
recovery. |
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Breaking the wireline
coupling from the top of the core barrel, to begin removal of the
recovered core. |
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Removing the recovered
core (left) while an empty core barrel is readied to return down the
hole. |
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Completing preparations to
recover core. |
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Removing core from the
core barrel into a split pipe, ready for logging. Base of hole is
recovered last. |
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Taking core to shack for
logging. |
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Drilling continues..... |
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Panorama of drill site
showing drill-rig and mud tanks. SHV dome in background. |
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Core ready for logging. |
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New MVO at Fleming Road (loking
north) and panorama towards SHV (south) and then towards Garibaldi
Hill (west). |
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Pinnacle Technologies
tiltmeters ready for testing and subsequent installation. |
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Tiltmeter heads with
couplings. |
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Tiltmeters and data
acquisition system. |
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Tiltmeter interior. Curved
glass vials at base with electronics boards above. |
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Resetting motors (red) and
couplings to reset the leveling vials after full-range travel. |
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Orthogonal leveling vials. |
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Close-up of resetting
motors, geared 128,000:1. |
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Side-view of electronics
boards. |
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Core from the instrument
portion of the hole.
Hole base at 560 feet..... |
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....to the intersection
with the PQ-cased portion of the hole at 500 feet. |
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SHV dome from close to the
new MVO. Late evening. |
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Carnegie bailer with
base-opening trapdoor. |
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Getting ready to install
the strainmeter at Trants. Bailed hole is backfilled with grout. |
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.. using a bottom release
bailer. |
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GPS crypt excavated at
Trants (Pelican Ghaut) site. |
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PV array being cleaned of
ash. |
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GPS receivers for the
time-stamping of the geophone, strainmeter, and tiltmeter data.
|
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GPS timestamp receivers. |
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Manual data downloads from
the Reftek boxes (seismic and dilation signals) and the tiltmeter. |
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Manual downloads. |
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First tilt data from
Trants. December 20th. |
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Center Hills complex from
Silver Hills looking south. |
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Rig ready for move to the
Air Studios site. |
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Side-view of rig ready for
removal to next site. See mast in background. |
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Mast awaiting dismantling
after removal from rig. |
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Turntable on rig, ready
for transit. |
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An unusually clear view of
the SHV dome from Trants. |
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Set-up on the Air Studios
site. Drilling the initial hole through the overburden. |
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Water recirculation to
drillhole collar. |
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Night-time drilling. |
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Water-vapor column
developing. Viewed from Little Bay. |
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Night-time drilling. |
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Water-vapor column
observed from Air Studios site. |
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Drilling initiates at Air
Studios. Drill rod is kept central as it rotates in the initial few
feet of the hole. |
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Initial drilling at Air
Studios. |
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Plugging lost-circulation
zones with a slurried mixture of bentonite and paper. |
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SHV from Jack Boy Hill. |
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Air Studios site with SHV
Dome in background. |