Development of twin-screw air compressors in Argentina

Due to the growing need for the compressed air of higher quality, the water-lubricated twin-screw compressor with water as the only liquid in the compressor has drawn much attention to produce clean air a. [pdf]

Drilling rigs in pakistan

Drilling Operations currently operates seven onshore drilling rigs consisting two PPL-owned 725-HP and 500-HP rigs and five contractors’ rigs, including one 2500-HP, three 2000-HP and one 1500-HP. [pdf]