Gas recovery from hydrate reservoirs
Patent 4007787 Issued on February 15, 1977. Estimated Expiration Date: 
February 15, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 15, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3348614 3372753 3627047 3762474 3878892 3920072 InventorAssigneeApplicationNo. 605709 filed on 08/18/1975US Classes:166/267, Separating outside of well166/271, Including fracturing or attacking formation166/272.6, Liquid material injected166/305.1, Placing fluid into the formation166/400Sequentially injected separate fluids (e.g., slugs)ExaminersPrimary: Purser, Ernest R.AbstractNatural 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.Other References
Field of SearchElectric current or electrical wave energy through earth for treatingSeparating outside of well Material placed in pores of formation to treat resident fluid flowing into well Placing preheated fluid into formation Dissolving or preventing formation of solid oil deposit Including fracturing or attacking formation | |
