Search results
Results from the WOW.Com Content Network
As technology has advanced, more modern drillers have better control of the overall well. Oil well control is the management of the dangerous effects caused by the unexpected release of formation fluid, such as natural gas and/or crude oil, upon surface equipment of oil or gas drilling rigs and escaping into the atmosphere.
One possible design (flag type) of on load mechanical tap changer is shown in the diagram. It commences operation at tap position 2, with load supplied directly via the connection ont the right. Diverter resistor A is short-circuited; diverter B is unused. In moving to tap 3, the following sequence occurs: Switch 3 closes, an off-load operation.
A blowout preventer (BOP) (pronounced B-O-P) [1] is a specialized valve or similar mechanical device, used to seal, control and monitor oil and gas wells to prevent blowouts, the uncontrolled release of crude oil or natural gas from a well. They are usually installed in stacks of other valves.
A control loop is the fundamental building block of control systems in general and industrial control systems in particular. It consists of the process sensor, the controller function, and the final control element (FCE) which controls the process necessary to automatically adjust the value of a measured process variable (PV) to equal the value of a desired set-point (SP).
More complex control systems using valves requiring automatic control based on an external input (i.e., regulating flow through a pipe to a changing set point) require an actuator. An actuator will stroke the valve depending on its input and set-up, allowing the valve to be positioned accurately, and allowing control over a variety of requirements.
The Knights went just 2-7 in Big 12 play and ended the season with a home loss to Utah. The following day, Malzahn resigned to take the job at Florida State. Show comments
From January 2008 to December 2012, if you bought shares in companies when Rudolph Harold Peter Markham joined the board, and sold them when he left, you would have a 4.5 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
Not all ghost towns are from the Old West, and the reasons vary why a popular tourist destination might become abandoned. Here are 16 from Detroit to Taiwan.