Wells – Processes – Placing or shifting well part
Patent
1997-09-09
1999-11-09
Dang, Hoang C.
Wells
Processes
Placing or shifting well part
166 50, 1661176, 166207, 1662421, E21B 706
Patent
active
059795603
ABSTRACT:
A casing junction member connects in a well between a main casing and a lateral branch casing. The junction member has an upper end portion which connects to the main casing extending above the member. It has a lower end portion that is coaxial and connects into the main casing below the junction member. The junction member has a lateral section which joins the main section at a junction and extends downward for connecting to lateral branch casing. The junction between the main section and the lateral section has a lower perimeter portion that is generally in the shape of a parabola. A stiffening member is joined to the lower perimeter portion of this junction. The stiffening member is located in a plane containing the lower perimeter portion of the junction.
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Bradley James E
Dang Hoang C.
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