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U.S. Department of Energy
Office of Scientific and Technical Information

Wellhead apparatus. [For control of flow of fluids and debris]

Patent ·
OSTI ID:6906353
Wellhead flow control apparatus is described for controlling the flow of fluids from a well producing fluids and debris including a device for separating and accumulating the debris. The device consists of an outer shell defining an enclosed accumulation chamber, a perforated outlet conduit communicating with the chamber to allow the passage of fluids but prevent passage of debris, and access means to facilitate periodic removal of the accumulated debris. The wellhead apparatus is especially useful for flow control of fluids from geothermal steam wells. 12 claims.
Assignee:
Union Oil Co., California
Patent Number(s):
US 4106562
OSTI ID:
6906353
Country of Publication:
United States
Language:
English