MWD formation tester

Details MWD formation tester MWD formation tester

2008-07-08

2008-07-08

Dang, Hoang (Department: 3672)

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Indicating, testing or measuring a condition of the formation

C175S059000, C166S100000, C073S152220, C073S152260

Reexamination Certificate

active

11735901

ABSTRACT:
An apparatus including a drill collar having an outer surface, an assembly for interaction with an earth formation coupled to the drill collar, the assembly including a first member to extend beyond the drill collar outer surface and a second member to extend beyond the first member and toward the earth formation to receive formation fluids. An apparatus including an MWD tool having an outer surface, a formation testing assembly coupled to the MWD tool, the formation testing assembly recessed beneath the outer surface in a first position and including a piston to extend beyond the outer surface to a second position and an inner sampling member to extend beyond the piston to a third position.

REFERENCES:
patent: 3653436 (1972-04-01), Anderson et al.
patent: 3934468 (1976-01-01), Brieger
patent: 4416152 (1983-11-01), Wilson
patent: 5803186 (1998-09-01), Berger et al.
patent: 6230557 (2001-05-01), Ciglenec et al.
patent: 6301959 (2001-10-01), Hrametz et al.
patent: 6658930 (2003-12-01), Abbas
patent: 6769296 (2004-08-01), Montalvo et al.

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