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Examples ofdrill string
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It is the lower part of thedrillstring, extending from the bit to the drill pipe.
From
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This example is from Wikipedia and may be reused under a CC BY-SA license.Thedrillstringis pushed against one side of the well bore.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.A fixed cutter bit is one where there are no moving parts, but drilling occurs due to percussion or rotation of thedrillstring.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.For a new well in the process of being drilled, this would be the void between thedrillstringand the formation being drilled.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.This is the area where thedrillstringbegins its trip into the earth.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.On recovery, thedrillstringis disassembled to access the sample.
From theCambridge English Corpus
Thirdly, penetration to depths over y1 m imposes the requirement of autonomous robotic assembly of thedrillstringfrom the drill segments.
From theCambridge English Corpus
Drillstringconnections are made or broken on the drillfloor, and the driller's console for controlling the major components of the rig are located there.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.It has a passage through the coupling for thedrillstring.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Then wrenches are used to manually close the rams around thedrillstringto seal the wellbore.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.An annular-type blowout preventer can close around thedrillstring, casing or a non-cylindrical object, such as the kelly.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The maximum drilling water depth for riser drilling is 2,500 meters and can support adrillstringup to 10,000 meters long.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Prevent differential pressure sticking, adhesion stuck drill accident, reduce thedrillstringand the filter cake thichness on bond issues.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Dominion cemented thedrillstringin the hole by trying to hang cement at the top of the hole.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The drill pipes are added to thedrillstringsuccessively behind the hammer as the hole gets deeper.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Like the cable tool system, pole-tool drilling used the weight of thedrillstringpounding into the ground from a wooden derrick to make hole.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.To replace the bit, thedrillstringmust be raised, a new bit attached, and the string remade down to the bottom.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.To make a connection is to add another segment of drill pipe onto the top thedrillstring.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.This information is transmitted through the wire-line fitted within thedrillstring.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The procedure is similar for setting intermediate, only that it typically involves a much longerdrillstringto be removed.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.