| http://www.w3.org/ns/prov#value | - The drill string 12 includes a bottom hole assembly 22 which may include the drill bit 16 as well as sensors and other downhole tools such as logging-while-drilling (???LWD???) tools, measurement-while-drilling (???MWD???) tools, diagnostic-while-drilling (???DWD???) tools, or the like.
|
