Wellbore treatment apparatus and method

Details Wellbore treatment apparatus and method Wellbore treatment apparatus and method

2006-12-29

2008-09-16

Dang, Hoang (Department: 3672)

Wells

Processes

With indicating, testing, measuring or locating

C166S064000, C166S305100, C166S223000

Reexamination Certificate

active

07424912

ABSTRACT:
A treatment apparatus and method for wellbore instability is described including a caliper with one or more radially extending arms which are capable of extending and retracting movement in a radial direction and a fluid supply facility to deliver treatment fluid from the ends of the arms to the wellbore wall, with a sensing and valve mechanism such that in use fluid is being delivered from the end of any extended arm to a breakout region of the wellbore where there is instability.

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patent: 7069775 (2006-07-01), Fredette et al.
patent: 2006/0249307 (2006-11-01), Ritter et al.

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