Gas recovery from hydrate reservoirs

Details Gas recovery from hydrate reservoirs Gas recovery from hydrate reservoirs

1975-08-18

1977-02-15

Purser, Ernest R.

Wells

Processes

Separating material entering well

166271, 166272, 166274, 166305R, E21B 4316

Patent

active

040077870

ABSTRACT:
Natural gas is recovered from gas hydrate reservoirs by passing light hydrocarbons, which do not form hydrates at reservoir conditions, through the formation to dissolve and recover the natural gas. A freezing point depressant can also be injected into the reservoir to accelerate development of production.

REFERENCES:
patent: 3348614 (1967-10-01), Sinclair et al.
patent: 3372753 (1968-03-01), Tuttle
patent: 3627047 (1971-12-01), Wilson et al.
patent: 3762474 (1973-10-01), Allen et al.
patent: 3878892 (1975-04-01), Allen et al.
patent: 3920072 (1975-11-01), Kern
Withers et al., "Glycol Injection Solves Canadian Gas-Gathering Problem," Oil's Gas Journal, Feb. 6, 1967, pp. 81-86.

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