Oil & Gas Glossary 1.0
OIL & GAS TECHNICAL TERMS GLOSSARY
If you are looking for a definition of any technical terms in oil & gas field, then this site is yours.
Until now, we've collected around 2000 technical terms, but if this still not enough, and you've found any term that is not in our database, please contact us, and we will happily find it for you, or you can just check it again later, because every unsuccessful search will be recorded by our system for later update.
Thanks and happy searching ^^.
Search Result for Riser Margin
riser margin
The slight increase in mud weight used to offset friction losses that occur as the mud is circulated through the riser.
riser pipe
The pipe and special fittings used on floating offshore drilling rigs to establish a seal between the top of the wellbore, which is on the ocean floor, and the drilling equipment, located above the surface of the water. A riser pipe serves as a guide for the drill stem from the drilling vessel to the wellhead and as a conductor of drilling fluid from the well to the vessel. The riser consists of several sections of pipe and includes special devices to compensate for any movement of the drilling rig caused by waves. It is also called a marine riser.
safety margin
See trip margin
riser
A pipe through which liquid travels upward.
trip margin
The small amount of additional mud weight carried over that needed to balance formation pressure to overcome the pressure-reduction effects caused by swabbing when a trip out of the hole is made.