Search results
Results from the WOW.Com Content Network
A petroleum reservoir or oil and gas reservoir is a subsurface accumulation of hydrocarbons contained in porous or fractured rock formations. Such reservoirs form when kerogen (ancient plant matter) is created in surrounding rock by the presence of high heat and pressure in the Earth's crust .
Stages 4 and 5 (0.85 Ga – present): Other O 2 reservoirs filled; gas accumulates in atmosphere. [ 1 ] The Great Oxidation Event ( GOE ) or Great Oxygenation Event , also called the Oxygen Catastrophe , Oxygen Revolution , Oxygen Crisis or Oxygen Holocaust , [ 2 ] was a time interval during the Earth 's Paleoproterozoic era when the Earth's ...
Some reservoirs generating hydroelectricity use pumped recharge: a high-level reservoir is filled with water using high-performance electric pumps at times when electricity demand is low, and then uses this stored water to generate electricity by releasing the stored water into a low-level reservoir when electricity demand is high.
Gas porosity is the fraction of a rock or sediment filled with a gas.. Determining the true porosity of a gas filled formation has always been a problem in the oil industry. . While natural gas is a hydrocarbon, similar to oil, the physical properties of the fluids are very different, making it very hard to correctly quantify the total amount of gas in a formati
Gas lift well: gas is fed into valves installed in mandrels in the tubing strip. The hydrostatic head is lowered and the fluid is gas lifted to the surface. Single-well alternate completions: in this instance there is a well with two zones. In order to produce from both the zones are isolated with packers.
Hydrocarbon reservoir properties, connectivity, hydrocarbon type and gas-oil and oil-water contacts are determined to calculate potential recoverable volumes. This is usually done by drilling more appraisal wells around the initial exploration well. Production tests may also give insight in reservoir pressures and connectivity.
Gas cylinder – Cylindrical container for storing pressurised gas; Horton sphere – Spherical tank; Irrigation tank – Part of tank irrigation, in India, an artificial lake or reservoir of any size; Isolation tank – Pitch-black, light-proof, soundproof environment heated to the same temperature as the skin
The gaseous part of the reservoir fluids are both hydrocarbon gases (i.e. natural gas mostly including methane and butane) and non-hydrocarbon gases such as hydrogen sulfide and mercaptan containing components. [3] Depending on the pressure and temperature of the reservoir, the amount of dissolved in the liquid phase and free gases will be ...