Description: A hydrate formation and decomposition of the sediments in situ permeability measurements and integration of devices, is a measurement of the physical properties of gas hydrate-based fields. The device mainly consists of a reactor, cold storage, scavenging leak detection systems, temperature control systems, gas supply systems, water supply systems, permeability measurement systems and computer data acquisition system. Reactor using a compressible design that can simulate different stress states; its advantages are: cold and bath to achieve rapid and precise temperature control; convenient pressurized gas supply system and packing fast; data acquisition system with data storage, real-time analysis; capable of simulating different hydrate deposits reservoir temperature, pressure, and stress state history deposition conditions; hydrate sediment sample taken as a whole can be more convenient, and directly into the low-temperature high-pressure triaxial testing machine mechanics Characteristics of trials. Exploitation of gas hydrate drilling and safety play an important role in guiding.
DOI: G01N3 / 00 (2006.01) I; G01N15 / 08 (2006.01) I