drill string वाक्य
उदाहरण वाक्य
मोबाइल
- The most likely cause of these hydraulic fractures in the shallowest strata is by the unprotected drill string with a steel casing.
- The IntelliServ network includes measurement nodes along the full length of the drill string that allow operators to acquire data along the wellbore.
- The drill stem includes the entire drill string, plus the kelly that imparts rotation and torque to the drill pipe at the top.
- The maximum drilling water depth for riser drilling is 2, 500 meters and can support a drill string up to 10, 000 meters long.
- Mud circulation is resumed, and the drill string is lowered into the hole until the bit takes weight at the bottom of the hole.
- For a new well in the process of being drilled, this would be the void between the drill string and the formation being drilled.
- The drill string consists of both drill pipe and the bottom hole assembly ( BHA ), which is the tubular portion closest to the bit.
- Drill string connections are made or broken on the drillfloor, and the driller's console for controlling the major components of the rig are located there.
- A "'Tubing spider "'is a tool used primarily in the oil industry for gripping the drill string while assembling or reassembling parts of the string.
- Like the cable tool system, pole-tool drilling used the weight of the drill string pounding into the ground from a wooden derrick to make hole.
- The DNV final report indicated that the second tube was the segment of the drill string that was ejected after being cut by the blow out preventer shears.
- Subsea BOPs are connected to the offshore rig above by a drilling riser that provides a continuous pathway for the drill string and fluids emanating from the wellbore.
- During the drilling process, the drill string is periodically removed from the borehole and a bailer is lowered to collect the drill cuttings ( rock fragments, soil, etc . ).
- This displacement of the drill string ( the steel ) will leave out a volume of space that must be replaced with an equal volume of kick will definitely occur.
- "' Slips "'is a device used to grip and hold the upper part of a drill string to the drill floor on an Rotary table-machinery that makes the pipe rotate.
- In underbalanced drilling, however, there is a " rotating head " at the surface-essentially a seal that diverts produced fluids to a separator while allowing the drill string to continue rotating.
- The next major advance was in the 1970s, when downhole drilling motors ( aka mud motors, driven by the hydraulic power of drilling mud circulated down the drill string ) became common.
- In drilling a typical high-pressure well, drill strings are routed through a blowout preventer stack toward the hydrostatic pressure to counter opposing pressure from the formation being drilled, allowing drilling to proceed.
- A "'mud motor "'( or drilling motor ) is a progressive cavity positive displacement pump ( PCPD ) placed in the drill string to provide additional power to the bit while drilling.
- The combination of PDSC ( passive drill string compensation ) and AHC ( active heave compensation ) are now in operation on the semi-submersible drilling rig Seadrill West Sirius ( 2008 ).
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