Learning Info

Gas injection

Gas injection is a secondary recovery method that requires the drilling of an injection well through…

Balanced Activity Oil Mud

Balanced Activity Oil Mud

Balanced activity oil mud is a kind of oil-base mud in which shale hydration is prevented by a balan…

How to apply for any job at Shell

How to apply for any job at Shell

Royal Dutch Shell commonly known as Shell, is a British–Dutch multinational oil and gas compan…

NDC (National Drilling Company) exam questions and answers 2019

NDC (National Drilling Company) exam questions and answers 2019

How to use top drive function to make a connection? Explain what is dogleg? What is mean by Mud Cap?…

All about Acid

An acid is any substance that will release some or all of its hydrogen ions when added to wa…

Absolute filter

Absolute filter

Absolute filters are designed to selectively prevent certain sizes of particles or organisms from pa…

Dead Oil (dead crude)

Dead Oil (dead crude)

An oil sample is pronounced “dead” when it has lost all its dissolved gases and volatile…

Cap rock

Cap rock is a rock that forms a laterally continuous impermeable seal above and around a hydrocarbon…

Back Pressure

Back pressure is a negative pressure within a system that “pushes back” the fluid and wh…

Acid Job

Acid job is a term used to describe the stimulation technique performed by pumping reactive acids in…

Cement Retarders

Cement Retarders

Cement retarders are chemical additives added to cement slurry to extend the time it would have take…

Jack-up Drilling Rig

Jack-up Drilling Rig

Jack-up rig is a type of a drilling rig used in offshore locations which is basically made up of a b…

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