Tool for fluid filling and circulation during oilfield well...

Details Tool for fluid filling and circulation during oilfield well... Tool for fluid filling and circulation during oilfield well...

2005-07-26

2008-08-19

Wright, Giovanna C (Department: 3672)

Wells

Above ground apparatus

With means for inserting fluid into well

C166S077400, C166S096100, C166S075150

Reexamination Certificate

active

07413008

ABSTRACT:
A tool for use in wells to maintain a tubed pipe filled with drilling fluid supplied by a well and to circulate the fluid through a well-pipe space, the tool facilitating sliding of tubes and producing cementation of the space. The tool can be intercalated with drilling equipment between a block and a pipe elevating arrangement for tubes that are gradually coupled to make up the casing pipe. The tool is placed between amelas extending from a rig support to adjacent the pipe elevating arrangement, the tool including a support array for positioning the tool in the drilling equipment, a positioning dynamic array to move the tool upward and downward to mate the tool on, and decouple it from, a tube, and a packaging array to, during the matings, establish a hermetic, self-adjustable elastic seal for the passage of well fluid to the inside of the tube.

REFERENCES:
patent: 6675889 (2004-01-01), Mullins et al.

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