دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a submersible pump configuration in which the pump and die motor sections are reversed, with the pump intake through a stinger at the bottom of the unit. It is used where casing size prohibits the desired production volume because of tubing friction loss or pump diameter restriction.

n: a sophisticated monitoring system for laying pipe offshore. It is used to control pipe release off a stinger. This system compensates immediately for horizontal and vertical wave motion by either paying out the pipe string or hauling it back. Dynamic tensioning maintains a constant level of tension on the pipe and prevents excessive stress on the line.

n: the configuration of pipe when it enters the water from an inclined ramp on the stem of a lay barge instead of from a stinger. The J curve eliminates overbend, which can stress the pipe.

n: a kinds of stinger sub that inner screw on the top and latch or o ring on the end .

n: a special mill that has a heavy tubular extension below it called a pilot or stinger. The pilot, smaller in diameter than the mill, is designed to go inside drill pipe or tubing that is lost in the hole. It guides the mill to the top of the pipe and centres it, thus preventing the mill from by-passing the pipe. Also called a piloted mill.

n: a kinds of special made milling tool.

a step-diameter mill that makes a pilot hole then enlarges it with the upper diameter.

n: the configuration of pipe when it enters the water from a stinger of a lay barge in pipeline construction. The overbend is closest to the barge, and the sag bend is on the seafloor. Compare J cunle. See sag bend.

n: a temporarily unsupported span of pipe between the stinger and the seabed in marine pipe laying.

set a seal stack all the way down so the locator shoulder on the stinger contacts the packer.

v: to guide the end of a pipe into a tool joint when making up a connection. See tool joint.

n: To place the male threads of a piece of the drillstring, such as a joint of drillpipe, into the mating female threads, prior to making up tight.

insert the seal stack or stinger into the polished bore receptacle. Stabilizers (drilling): near gauge diameter joints that stabilize the drilling BHA.

n: A kind of stinger sub used in stab-in cementing,usually made up of short circuit with plug connector and centralizer.