{HEAD ~ The present invention} relates to {TAIL ~ equipment} and techniques for monitoring wellbore drilling fluid during the make up of oil field tubular connections 
relates to
{ HEAD ~ The present invention } relates to { TAIL ~ equipment } and techniques for monitoring wellbore drilling fluid during the make up of oil field tubular connections
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH