![]() Ethylene is used as the basis for making various products – including plastics, resins, adhesives, and synthetic materials. Ethane Cracker – These petrochemical plants are typically very large industrial facilities that take ethane, a component of natural gas, and break it down (or “crack” it) into ethylene.Enhanced Oil Recovery – Increasing the amount of crude oil that can be extracted from an oil field using a variety of techniques (see “Class II wells” above).Dry Gas – As opposed to Wet Gas, Dry Gas is natural gas composed primarily of methane, without additional hydrocarbons mixed in.The way operators and state regulators distinguish drill cuttings from drilling muds differs. Drilling Muds – A type of oil and gas waste, generally measured as a liquid.Cuttings may also include a small amount of fluid that results from the drilling process. Drill Cuttings – A type of waste made of soil, rock fragments, and pulverized material that must be removed from a borehole.desiccant, ethylene glycol, diethylene glycol, or triethylene glycol) directly contacts a gas stream to absorb water vapor. Dehydrator – A device in which a liquid absorbent (e.g.The substances that condense out are considered natural gas liquids. Cryogenic Facility – Large processing plants that subject a natural gas stream to cold temperatures so that certain components of the stream condense.Conventional drilling usually does not utilize directional drilling or hydraulic fracturing, but it may. Conventional Drilling – Typical vertical drilling used to retrieve oil and gas from the earth.Condensate – Hydrocarbon and other liquids, including water, separated from gas that condense due to changes in the temperature, pressure, or both, and remain liquid while being stored.These facilities can be used for pumping natural gas through pipelines. Compressor – A machine that raises the pressure of a gas by drawing in low pressure gas and discharging significantly higher pressures.Hydrocarbon storage wells – Wells in which operators inject liquified oil and gas into underground formations such as salt caverns for storage.Enhanced oil recovery wells – Wells in which operators inject fluids such as brine, water, steam, or carbon dioxide into underground formations to recover residual oil.Learn more about Class II disposal wells. ![]() These fluids are reinjected into the same or similar underground formations. Wastewater disposal wells – Wells in which operators dispose of brines (brought to the surface during oil and gas extraction) and wastewater (used in the extraction process).Class II wells – Wells that inject fluids associated with oil and gas development.Casing – A steel pipe that is placed in an oil or gas well to prevent the wall of the hole from caving in, prevent movement of fluids from one formation to another, & aid in well control. ![]() Blowout – The uncontrolled release of oil, gas, and/or other hydrocarbons from an oil / gas well after pressure control systems fail.Bit (Drill Bit) – Device attached to the end of the drill string that breaks apart, cuts, or crushes the rock formations when drilling a wellbore, such as those drilled to extract water, gas, or oil.Bentonite – A type of clay used in horizontal directional drilling.It involves pumping an acidic solution into a well in order to increase production (by increasing permeability of the formation). ![]()
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