The Athabasca oil sands, also known as the Athabasca tar sands, are large deposits of rich in , a heavy and viscous form of petroleum, in northeastern , Canada. These reserves are one of the largest sources of in the world, making Canada a significant player in the global energy market.
[pdf] Stand-alone, information-packed chapters of the 12th edition of the definitive rig operations manual, the new IADC Drilling Manual, are now available in convenient electronic form. More than 100 renowned technical experts contributed to the first major rewrite of the IADC Drilling Manual in 22 years.
[pdf] The drawworks on a drilling system consists of a large winch drum, brakes and a power source. It raises and lowers the drilling line as required, often to support the installation of piping as the borehole deepens.
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