Optimizing drilling performance using a selected drilling fluid

Details Optimizing drilling performance using a selected drilling fluid Optimizing drilling performance using a selected drilling fluid

2011-04-19

2011-04-19

Suchfield, George (Department: 3676)

Boring or penetrating the earth

Automatic control

C175S057000, C175S065000, C507S103000, C507S145000

Reexamination Certificate

active

07926588

ABSTRACT:
To improve drilling performance, a drilling fluid is selected based on one or more criteria and to have at least one target characteristic. Drilling equipment is used to drill a wellbore, and the selected drilling fluid is provided into the wellbore during drilling with the drilling equipment. The at least one target characteristic of the drilling fluid includes an ability of the drilling fluid to penetrate into formation cuttings during drilling to weaken the formation cuttings.

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Judzis, Arnis et al., “Optimization of Deep Drilling Performance: Benchmark Testing ROP Improvements for Bits and Drilling Fluids” SPE/IADC Drilling Conference, Feb. 20-22, 2007, pp. 1-2, SPE/IADC 105885, Amsterdam, The Netherlands.

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