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] Drilling derricks and Rig Masts consist of a steel framework with a square or rectangular cross-section. Their purpose is to support the hoisting equipment and rack the tubulars while tripping pipe. The numbe.
[pdf] Air-lift reverse circulation drilling technology is often used in geothermal well drilling, but there are many problems along with drilling depth increasing, such as double-wall drill pipe leaking, air-water mixer blo.
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