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Statements

Subject Item
dbr:Tripping_(pipe)
rdf:type
dbo:Band
rdfs:label
Tripping (pipe)
rdfs:comment
Tripping pipe (or "Making a round trip" or simply "Making a trip") is the physical act of pulling the drill string out of the wellbore and then running it back in. This is done by physically breaking out or disconnecting (when pulling out of the hole) every other 2 or 3 joints of drill pipe at a time (called a stand) and racking them vertically in the derrick. When feasible the driller will start each successive trip on a different "break" so that after several trips fresh pipe dope will have been applied (when running back in the hole) to every segment of the drill string.
foaf:depiction
n11:Pulling_Pipe_on_the_Derrick_Floor_preparing_to_trip_into_the_hole.jpg n11:HWDP_Part.jpg n11:Vertical_Drill_Bit.jpg n11:Collection_of_90_foot_stands_after_tripping_out_of_the_hole_for_a_bit_trip.jpg
dcterms:subject
dbc:Drilling_technology dbc:Petroleum_engineering dbc:Oilfield_terminology
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838518152
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dbr:Well_logging n9:Vertical_Drill_Bit.JPG n9:Pulling_Pipe_on_the_Derrick_Floor_preparing_to_trip_into_the_hole.JPG n9:Collection_of_90_foot_stands_after_tripping_out_of_the_hole_for_a_bit_trip.JPG dbr:Drill_string dbr:Derrick dbr:Drill_pipe dbr:Stand_(drill_pipe) dbr:Logging_while_drilling n9:HWDP_Part.jpg dbr:Pipe_dope dbr:Chinese_fingercuffs dbr:Driller_(oil) dbr:Mud_motor dbr:Wellbore dbc:Oilfield_terminology dbc:Drilling_technology dbc:Petroleum_engineering dbr:Drill_bit dbr:Measurement_while_drilling dbr:Drilling_rig_(petroleum)
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dbo:abstract
Tripping pipe (or "Making a round trip" or simply "Making a trip") is the physical act of pulling the drill string out of the wellbore and then running it back in. This is done by physically breaking out or disconnecting (when pulling out of the hole) every other 2 or 3 joints of drill pipe at a time (called a stand) and racking them vertically in the derrick. When feasible the driller will start each successive trip on a different "break" so that after several trips fresh pipe dope will have been applied (when running back in the hole) to every segment of the drill string. The most typical reason for tripping pipe is to replace a worn-out drill bit. Though there are many problems that occur to warrant the tripping of pipe. Downhole tools such as MWD (measurement while drilling), LWD (logging while drilling) or mud motors break down quite often. Another common reason for tripping is to replace damaged drill pipe. It is important to get the pipe out of the wellbore quickly and safely before it can snap.
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