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![Hydraulic fracturing, also known as fracking, is a process that has been used by gas companies since the 1940s. The process involves injecting sand, chemicals, and water into a well under carefully controlled conditions to crack or fracture solid rocks and release trapped gas deposits. The development of hydraulic fracturing technology has led to the usage of proppants. Proppants are used during hydraulic fracturing in order to keep the fissures open for the oil and gas to flow towards the well head. These are primarily of three types such as sand, resin-coated and ceramic.](http://s3.paperzz.com/store/data/005022791_1-04847f845fc319b4615872c119f5b046-250x750.png)
Hydraulic fracturing, also known as fracking, is a process that has been used by gas companies since the 1940s. The process involves injecting sand, chemicals, and water into a well under carefully controlled conditions to crack or fracture solid rocks and release trapped gas deposits. The development of hydraulic fracturing technology has led to the usage of proppants. Proppants are used during hydraulic fracturing in order to keep the fissures open for the oil and gas to flow towards the well head. These are primarily of three types such as sand, resin-coated and ceramic.
technical documentation