Terminology Series   F

job within the energy sector is guaranteed to introduce you to a host of industry-related terminology and jargon.

This time, we’re focusing on the letter "F", and a few keywords associated with the upstream sector.

Field: An area under which a large amount of oil or gas lies. The size of an oilfield can vary hugely in size – some of the world’s largest, such as the Rumailia field in Iraq, produce millions of barrels of oil every day.

Fish: Not necessarily a creature with scales! In the oil and gas world, anything left in a wellbore, be it junk metal (generally remnants of milling operations), hand tools, a length of drillpipe – anything lost down there is simply referred to as “the fish”. Anything put into the hole should be accurately measured so that appropriate tools can be used to retrieve the object.

Fishing: Refers to the act of retrieving objects from the borehole. For retrieval to be successful, the operation requires an understanding of the dimensions and nature of the “fish” to be recovered, the wellbore conditions, the tools and techniques to be employed and the process by which the recovered fish will be handled at surface.

Fracturing (often referred to as “fracking”)
A method of breaking down a rock formation by injecting fluid at very high pressure so as to force open existing fissures, with the ultimate aim of increasing the reservoir’s production rate through making it easier to extract fuel from the field.

Fracturing fluid: Fracturing fluids for shale reservoirs usually contain water, proppant, and low levels of nonaqueous fluids designed to reduce friction pressure whilst pumping the fluid into the wellbore.

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