Automatic Production Programmers Time-Cycle Controller.

Automatic production programmers are scheduling devices that control the particular times and lengths of time that operating functions are performed. Technical Data used in the field explained in diploma in petroleum engineering. The simplest form of automatic production programmer is a time-cycle controller. A time-cycle controller basically consists of a clock with a timing wheel or wheels, containing a number of programming points at regular intervals around its circumference. The clock may be electrically driven, gas driven, or mechanically driven by a spring. It may have a l-, 2-, 4-, 6-, 8-, 12-, or 24-hour rotation period, the rotation period being the time required for the timing wheel(s) to

make one complete revolution. Programming is accomplished by positioning the contacts on the timing wheel(s) such that the rotation of the wheel(s) generates the proper control signal to open or close valves controlled by the time-cycle controller at the proper times.

As commonly applied, a time-cycle controller in conjunction with a diaphragm control valve compose a “stopcock controller” and/or an “intermitted controller.” The primary difference in a stopcock controller and an intermitted controller is in the application , A time-cycle controller in conjunction with any type of automatic control valve may be used to produce a naturally flowing well where it is desired to produce the well less than 24 hours per day and/or 7 days a week. Some more details of diploma in petroleum engineering are as under.

The electronic (solid state) timer frequently is used in new installations that require timer functions. Mechanical and electro-mechanical timers will continue to be used in many existing installations. Any time that these automatic production programming devices are actuated electrically, the control point for individual wells may be centralized at the well manifolds, a central point on the lease, or even a point remote from the field. The time-cycle controllers, automatic control valves, motor starters, etc. still may remain located at the wellheads while control is exercised remotely. This is not true for similar devices that are actuated pneumatically unless the pilot gas for these devices is controlled electrically. Too much dampening and distortion occurs in pneumatic control signals for effective control when transmitted distances of more than about 150 ft. TSK Training for Skills and Knowledge is the best institute in Rawalpindi Islamabad for Pakistani Students who wants to join diploma in petroleum technology.

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