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Ram

Well Control

The closing and sealing component on a blowout preventer. Types include blind, pipe, or shear rams.

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Related Terms

Blowout Preventer Stack

<div data-title="The BOP Stack: Component Order, API 16A Configurations, and How the Stack Is Built From Casing Head to

Lower Kelly Cock

A ball valve installed at one end of the kelly that can be used to stop mud draining from the kelly during a connection.

Mud-Gas Separator

A device that removes gas from the mud coming out of a well when a kick is being circulated out.

Upper Kelly Cock

A valve installed above the kelly that can be closed manually to protect the rotary hose from high pressure in the drill

R-signal

The R-signal (resistive signal) in indu

RCRA

<div data-title="RCRA: US Hazardous Waste Regulation, Subtitle C and D, and Implications for WCSB Operators with US Asse

RH

Relative humidity (RH) in the context of dril

RIH

Run in hole (RIH), abbreviated from the full phrase "run

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