Measurement ahead of the drilling bit by analysis of...

Details Measurement ahead of the drilling bit by analysis of... Measurement ahead of the drilling bit by analysis of...

2007-09-28

2010-11-16

Neuder, William P (Department: 3672)

Boring or penetrating the earth

With signaling, indicating, testing or measuring

C175S041000

Reexamination Certificate

active

07832501

ABSTRACT:
An apparatus for determining the nature of the formation at the bottom of a wellbore being drilled with a tubular drill string through which drilling fluid is pumped to return the drilling fluid to the surface via the wellbore, the apparatus comprising a tool body for installation in a drill string with a bore extending there through and an ultraviolet fluorescence detector in a passageway in the tool body, the tool body being configured to receive drilling fluid from inside the drill string and to receive drilling fluid from outside the drill string, wherein the drilling fluid can be directed past the detector so as to enable measurements to be made.

REFERENCES:
patent: 4297880 (1981-11-01), Berger
patent: 4609821 (1986-09-01), Summers
patent: 5061849 (1991-10-01), Meisner et al.
patent: 5084617 (1992-01-01), Gergely
patent: 6176323 (2001-01-01), Weirich et al.
patent: 2007/0137293 (2007-06-01), Pop et al.
patent: 2 389 380 (2007-12-01), None

Affiliated with

Also associated with

Rating

Measurement ahead of the drilling bit by analysis of... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Measurement ahead of the drilling bit by analysis of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Measurement ahead of the drilling bit by analysis of... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4240940