Pore pressure definition

Pore pressure means the pressure of a fluid held within spaces between particles (i.e. pore space) in a rock.

Examples of Pore pressure in a sentence

  • Pore pressure to prevent the fault reactivation is dependent on the stress and the fluid paths of the reservoir.

  • The basic approach is to select optimum mud weight which exceeds the pore pressure at the bottom but should not fracture the formation at casing shoe.In term of equation it is expressed as Pwf≥ Po − 0.0981dmud (D − Da ) 2.3 Where Pwf = Fracture pressure Po = Pore pressure at bottom dmud = Density of mudFigure 44 shows the formation pressure profile and casing setting depth design.

  • Pore pressure change is exclusively related to the variation of pore volume under isothermal conditions and also to a mismatch of the thermal expansivity of fluid and bulk solid under non-isothermal conditions (Berchenko, 1998).

  • Pore pressure at various depths,15 413 acceleration time histories, surface settlement, and layers displacement were recorded1617 414 simultaneously during each test.

  • Pore pressure at each element is the sum of all pore pressures caused by all point forces, fluid sources and heat sources taking place at time≤ t .

  • Figure 14 Pore pressure parameter Bq over normalized penetration velocity V, for several values of the friction coefficient μ.

  • Pore pressure and stress fields around underground openings are examined under coupled hydro-thermo-mechanical loading.

  • Pore pressure, or the measure of in situ fluid pressure, formation temperature.

  • Wheredsw = Density of sea water DS = Depth of sea floordres = Density of reservoir fluiddo = Pore pressure density gradient at bottom Criterion 3: Reduce well integrity: In this criterion which we have to design our production casing which is the last casing as full well integrity.

Related to Pore pressure

  • Pressure means the total load or force per unit area acting on a surface.

  • Reid vapor pressure means the vapor pressure of crude oil or other volatile petroleum products at 100 degrees Fahrenheit as determined by the latest edition of ASTM D6377 (RVPE): Standard Test Method for Determination of Vapor Pressure of Crude Oil.

  • True vapor pressure means the equilibrium partial pressure exerted by a petroleum liquid as determined in accordance with methods described in American Petroleum Institute (API) Bulletin 2517, Evaporation Loss from External Floating Roof Tanks, 1980. The API procedure may not be applicable to some high viscosity or high pour crudes. Available estimates of true vapor pressure may be used in special cases such as these.

  • Pressure vessel means containers for the containment of pressure, either internal or external. This pressure may be obtained from an external source or by the application of heat from a direct or indirect source, or any combination thereof.

  • Operating pressure means the pressure at which the parts of an irrigation system are designed by the manufacturer to operate.

  • Positive pressure respirator means a respirator in which the pressure inside the respiratory inlet covering exceeds the ambient air pressure outside the respirator.

  • Negative pressure respirator (tight fitting) means a respirator in which the air pressure inside the facepiece is negative during inhalation with respect to the ambient air pressure outside the respirator.

  • Noise means two times the root mean square of ten standard deviations, each calculated from the zero responses measured at a constant frequency which is a multiple of 1,0 Hz during a period of 30 seconds.

  • Slug means any discharge of water, sewage, or industrial waste which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than fifteen (15) minutes more than five (5) times the average twenty-four (24) hour concentration or flows during normal operation.

  • Tank means an enclosed space which is formed by the permanent structure of a ship and which is designed for the carriage of liquid in bulk.

  • Blend means seed consisting of more than one variety of a kind, each in excess of five percent by weight of the whole.

  • Recycled water or “reclaimed water” means treated or recycled waste water of a quality suitable for non-potable uses such as landscape irrigation and water features. This water is not intended for human consumption.

  • Blendstock means and includes any petroleum product component of motor fuel, such as naphtha, reformate, or toluene; or any oxygenate that can be blended for use in a motor fuel.

  • Biomass means the biodegradable fraction of products, waste and residues from biological origin from agriculture (including vegetal and animal substances), forestry and related industries including fisheries and aquaculture, as well as the biodegradable fraction of industrial and municipal waste;

  • Plant canopy means the square footage dedicated to live plant production and does not include areas such as office space or areas used for the storage of fertilizers, pesticides, or other products.

  • Load means energy consumed by Customers together with allocated losses and unaccounted for energy;

  • Slash means all debris created on the Work area by the precommercial thinning operation.