A flow line, used on a drilling rig, is a large diameter pipe (typically a section of casing) that is connected to the bell nipple (under the drill floor) and extends to the possum belly (on the mud tanks) and acts as a return line (for the drilling fluid as it comes out of the hole), to the mud. .
The is used to slow the flow of returning before it hits the . This enables the shale shaker to clean the. .
A stinger line is similar to a flow line, but unlike a flow line is not used to maintain circulation. The stinger line is attached to the .
Another common add on is the sample box. This is a heavy duty rubber hose that is inserted at the end of the flow line and at the other end emplaced into the sample box itself. The.
[pdf] A drilling rig is an integrated system that , such as oil or water wells, or holes for and other construction purposes, into the earth's subsurface. Drilling rigs can be massive structures housing equipment used to drill , , or natural gas extraction wells, or they can be small enough to be moved manually by one person and such are called . Drilling rigs can s.
[pdf] Mars field was discovered in 1989 at around 130 miles south of New Orleans. The field, located at 3,000ft water deep, started production in 1996. Mars B was discovered after Shell geologists located untappe.
[pdf] 
