-
Drill pipe, is hollow, thin-walled,
steel or
aluminium alloy piping that is used on
drilling rigs. It is
hollow to
allow drilling fluid to be
pumped down...
- the wellbore; Shut in the well (e.g. seal the void, annulus,
between drillpipe and casing); “Kill” the well (prevent the flow of
formation fluid, influx...
-
method is a
rotary rig with
fluid circulated down the
drillpipe and back up
between the
drillpipe and the
borehole wall. The
fluid carries the cuttings...
- in
which the rig crew
conducts operations,
usually adding or
removing drillpipe to, or from the drillstring. The rig
floor is the most
dangerous location...
- (double and
triple drill pipe respectively, a
triple being three joints of
drillpipe ****ed together),
depending on the
drilling rig size.
Handling longer...
- mud circulation. In
modern rotary drilling, mud is
circulated down the
drillpipe and back up the
wellbore to the surface. The goal is to
equalize the pressure...
-
pressure at the
bottom of the hole and the
hydrostatic pressure (HSP) in the
drillpipe.
During a well shut-in, the
pressure of the
wellbore stabilizes, and the...
- kick
while drilling are:
Sudden change in
drilling rate;
Reduction in
drillpipe weight;
Change in pump pressure;
Change in
drilling fluid return rate...
-
discrepancies in
pressures inside the
drillpipe and the
space between the pipe and the well,
leading the
drillpipe to
shift off-center. This displacement...
-
Acquired in Wired-
Drillpipe Operations; V.
Nygard et al., SPE/IADC 112742: A Step
Change in
Total System Approach Through Wired-
Drillpipe Technology". 2008...
