Wells – Processes – Assembling well part
Reexamination Certificate
2008-04-01
2010-11-16
Stephenson, Daniel P (Department: 3676)
Wells
Processes
Assembling well part
C166S077510
Reexamination Certificate
active
07832487
ABSTRACT:
A stabbing guide connects to a casing collar during makeup. The stabbing guide has a housing with a lower portion with a cylindrical interior and an upper portion with a conical interior. Upper and lower shoulders are located in the cylindrical interior, defining an annular recess between the shoulders. Each of the shoulders has an inner diameter smaller than an outer diameter of the casing collar. The housing is formed in separate segments and secured around the casing collar by a clamp.
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International Search Report and Written Opinion, PCT/US2009/038716, dated Mar. 30, 2009.
Cerovsek Milan
Jensen Kenneth C.
Tepavac Radovan
Bracewell & Giuliani LLP
Stephenson Daniel P
Tesco Corporation
Wallace Kipp C
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