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Detection of gas hydrates by the measurement of instantaneous temperature
xvi, 124 leaves : illustrations ; 28 cm.
"hydrate nodule" layers was tested. The temperature versus
be to develop a method to detect hydrates in ocean sediment.
cm/sec. Validation tests were performed in the laboratory
Cone Penetrometer. Thus in addition to temperature
could be made to aid in the detection of hydrates.
depth profile indicated the presence of hydrates. The
Detection of gas hydrates is possible due to the significant
differences in the physical properties of hydrates and the
due to the complications faced in recovering insitu samples
effectiveness of this method to "hydrate nodule" layers was
for laboratory testing. The presence of hydrates near the
for the formation of natural gas hydrates in ocean sediments.
formed by gas molecules trapped in a water lattice. Suitable
foundation zone of deepwater structures may pose problems to
involves the measurement of instantaneous temperature as a
measurements, simultaneous measurements of electrical
methods used to measure sediment temperature were studied. A
Natural gas hydrates are icelike crystalline substances
new method to detect hydrates was developed based on sediment
oil exploration in the oceans, the first logical step would
probe is pushed continuously into the sediment at a rate of 2
properties of hydrates and ocean sediment and the past
resistivity, cone penetration resistance and pore pressure
sediments. Detailed study of hydrate properties is difficult
Several major problems are associated with hydratebearing
surrounding sediments. In this research, the physical
temperature and its effectiveness was tested. This method
temperature measuring device could be mounted on a Standard
tested. effectiveness of this method to detect "hydrate" and
the presence of gas hydrates could limit the development of
the stability of the foundations of these structures. Since
thermodynamic conditions and the presence of gas are required
using glass marbles as a substitute for gas hydrates. The