Hydrates Bearing Sediments Stability Conditions Overlying Sediment - - PowerPoint PPT Presentation

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Jan 15, 2023 159 likes •247 views

Hydrates Bearing Sediments Stability Conditions Overlying Sediment Layer (Geothermal gradient) Hydrate Stability Zone Intermediate Sediment Layer Free Gas Zone Geophysical Survey How Were Hydrates Discovered? Mode of Occurrence

SLIDE 1

Hydrates Bearing Sediments

Stability Conditions

(Geothermal gradient)

Hydrate Stability Zone
Free Gas Zone

Intermediate Sediment Layer Overlying Sediment Layer

SLIDE 2

Geophysical Survey

SLIDE 3

SLIDE 4

How Were Hydrates Discovered?

SLIDE 5

Mode of Occurrence

SLIDE 6

How Were Hydrates Discovered?

SLIDE 7

Hydrate Formation and Growth Mechanism

A. Pore filling – dissolved gas method
B. Load bearing – partial water saturation
C. Cementation – ice seeding, hydrate premixing
D. Grain Coating – partial water saturation

SLIDE 8

OVERVIEW: Gas Production Methods

Hydrates Stable Hydrates Unstable