Circulating bottoms up is the displacement of theentire annular volume to surface by pumping into thewellbore..
Accordingly, what does bottoms up mean in drilling?
The sample obtained at the bottoms-up timeor a volume of fluid to pump, as in "pump bottoms-upbefore drilling ahead." 2. adj. [ Drilling]Pertaining to the mud and cuttings that are calculated or measuredto come from the bottom of the hole since the start ofcirculation.
what is Trip gas drilling? With static wellbore condition, any gas enteringinto mud while tripping is called “Trip Gas”.Gas will be seen while circulating bottom up after trippingback in hole again. Trip gas is caused by swabbing effectwhile tripping out of hole. Tagged trip gas, WellControl.
Accordingly, what is short trip in drilling?
n. [ Drilling] An abbreviated recovery of pipeout of, and then the replacement of same back into the wellbore.Such a trip is normally limited to 10 or 20 stands ofdrillpipe.
Where does bottoms up come from?
Origin of Bottoms Up! According to the legend, English sailors used to bebribed with coins to join the navy, and, many times, theywould be tricked into joining by being given a beer with acoin at the bottom of the glass.
Related Question Answers
What is closed end displacement?
Capacity of a wellbore, either cased or openhole, is the volume of fluid the hole can contain.Closed-End Pipe - Displacement, as related todrill pipe, drill collars and tubulars is the volume of fluid thatthe pipe will displace if placed into fluid with the lowerend closed to allow no fluid inside.What is a short trip?
A short trip or excursion, usually for pleasure;an outing.What does tripping pipe mean?
Tripping pipe (or "Making a round trip" orsimply "Making a trip") is the physical act of pulling thedrill string out of the wellbore and then running it backin.What is a wiper trip?
n. [ Drilling] An abbreviated recovery and replacementof the drillstring in the wellbore that usually includes the bitand bottomhole assembly passing by all of the openhole, or at leastall of the openhole that is thought to be potentiallytroublesome.What is background gas?
An average or baseline measure of gas entrainedin circulating mud. This baseline trend pertains to gas thatis liberated downhole while drilling through a uniform lithologicinterval at a constant rate of penetration. When annotated on mudlogs, background gas is usually abbreviated asBGG.What is connection gas?
A brief influx of gas that is introduced into thedrilling fluid when a pipe connection is made. Before makinga connection, the driller stops the mud pumps, therebyallowing gas to enter the wellbore at depth. Connectiongas usually occurs after one lag interval following theconnection. 
