Invention Grant
- Patent Title: Nozzles including secondary passages, drill assemblies including same and associated methods
- Patent Title (中): 包括次级通道的喷嘴，包括相同方法的钻头组件
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Application No.: US12174340Application Date: 2008-07-16
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Publication No.: US09033066B2Publication Date: 2015-05-19
- Inventor: David Gavia
- Applicant: David Gavia
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: TraskBritt
- Main IPC: E21B10/61
- IPC: E21B10/61 ; E21B41/00
Abstract:
Nozzles for drilling tools, such as rotary-type drag bits and roller cone bits, a drilling tool and drilling assembly comprising nozzles, and methods of conveying drilling fluid through a nozzle for use in drilling subterranean formations are provided. A nozzle may include a substantially cylindrical nozzle body having an axis and an inlet port with a primary passage extending therethrough, and at least one secondary passage that diverges from the primary passage at an exit port.
Public/Granted literature
- US20090020334A1 NOZZLES INCLUDING SECONDARY PASSAGES, DRILL ASSEMBLIES INCLUDING SAME AND ASSOCIATED METHODS Public/Granted day:2009-01-22
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