Patent ID: 7040408

Claim:
A flowhead for a well testing system, said well testing system comprising piping extending from a subterranean zone in a well to a well surface for fluid connection with said flowhead, said flowhead comprising: a flowhead body, said flowhead body defining at least four openings and associated flow passageways to permit fluids to flow into and out of said flowhead body; a plurality of valves mounted to said flowhead body for controlling fluid flow through said at least four openings and said associated flow passageways; at least one of said at least four openings in said flowhead body being defined by an outer swivel tubular portion permanently formed so as to be integral with said flowhead body without seals between said flowhead body and said outer tubular swivel portion; an inner swivel tubular portion mounted within said outer swivel portion, said inner swivel tubular portion being rotatable with respect to said outer swivel tubular portion; a sealing assembly between said inner swivel tubular portion and said outer swivel tubular portion to prevent fluid flow therebetween; a bearing assembly between said inner swivel tubular portion and said outer swivel tubular portion to reduce friction of rotation of said inner swivel tubular portion with respect to said outer swivel tubular portion.