2014年11月27日星期四

Diamond shale shaker screen advantage

Shale shaker screen is the essential  part in filter solids from liquid, and it is disposable part in various drilling that need to replace all the time.
Because of the drilling fluid that contain corrosion, abrasiveness and heat.  and needed to filter solid particles for long period time.  Generally speaking, the material of shaker screens are all constructed in stainless steel and the wire which disposed by heat treatment technology. The auxiliary support structure are made of steel plate, galvanized sheet, and others combined materials.

With the continuous development of science and technology, in order to enhancing the filter effect of screen, the diamond shape screen was developed. It is improved and upgraded from flat type screen, started to be implied in the mid 1990 s.

Diamond shape screen synthesize the advantage of common crochet screen and orifice plate adhesion screen, but it is based on the structure size of shale shaker will not be changed, and the frequency and exciting force of vibration exciter will not be changed as well.

The advantage of the diamond shape shale shaker screen for solids control is that it breaks the limitation of traditional plate screen, because of the unique wave pattern of screen, it is not only has the service life increase and as well as filter effect of orifice plate adhesion screen by increase the filter area of screen more.

When the drilling fluid flow to the screen surface, the solid phase will flow to valley bottom of corrugation, vertical surface can provide more filter area for drilling fluid, so compared with flat surface screen, the wave screen has  through capacity. The thruput is larger 30%~40% than orifice plate adhesion screen and other flat surface screens. And diamond screen increases the residence time of drilling fluid on the screen surface, has a better sieving effect.
If you want to know more information please visit our website: http://www.gnsolidscontrol.com

2014年11月20日星期四

Cuttings Discharge Pump (cdp)

The CDP is a safe and efficient vacuum system designed to collect drill solids on a continuous basis and discharge them into drilling waste containers on the rig.  The system is fully contained reducing exposure to drilling wastes management.


Air moves through the system at high velocity from the cuttings pick up point, via the cuttings discharge pump to the air flow source, the primary air mover.  The drill cuttings are picked up in the air stream, conveyed and subsequently deposited into one of multiple drilling waste containers. In the standard configuration, as many as eighteen drilling waste containers can be deployed at one time, providing a containment volume in excess of 110m3.  The CDP provides and air lock between the dropout hopper and the discharge chute enabling the continuous vacuum collection of drilling waste into drilling waste containers.

Features and Benefits Of CDP
1/ Rotary type cuttings discharge pump – provides an air lock between the drop-out and recover tank and discharge chutes, enabling the continuous collection and discharge of drill cuttings
2/ Discharge chute – remotely operated with up / down and 270° rotational actuator
3/ Drop-our recover y tank – provides 2m3 containment volume
4/ Remotely operated telescopic arm – enables the positioning of the discharge chute to cover up to eighteen drilling waste containers
5/ Solids Control platform – the remotely operated cuttings transfer system is operated from a single elevated location providing a panoramic view over the containment operations
6/ Continuous vacuum collection and discharge of drill cuttings
7/ High containment capacity due to the telescopic arm supplying cuttings to a maximum of eighteen drilling waste containers
8/ Low resource requirement due to the arm being operated by one person only
9/ Exposure to drill cuttings reduced due to remote operation
10/ Reduction in manual handling of suction hoses and / or dump chute due to the remote operation of the telescopic arm and discharge chute