Environmental Engineering Reference
In-Depth Information
Motion
compensation
system
Top drive
power
swivel
Line tensioner
5" drill string
Seabed
reaction
and re-entry
frame
seaclam
Re-entry
funnel
Hydraulic
pipe clamp
Seafloor
Downhole
hydraulic
push sampler
wipsampler
Open
dragbit
Downhole
CPT system
wison
FIGURE 2.42
Schematic diagram of the operational procedures from a drill ship. Shown are the Fugro Seaclam for deep
water drilling, push sampling, and
in situ
testing using a cone penetrometer. (Courtesy of Fugro.)
Figure 2.46
and a data plot is shown in
Figure 2.47.
The vane data, compared with
undrained laboratory test results from piston samples, are shown in the figure.
2.3.5
Test and Core Borings
Purpose
Test and core borings are made to:
Obtain samples of geologic materials for examination, classification, and labora-
tory testing
●
