Hydrostatic head definition

Hydrostatic head means the height of the free surface of a body of water above a given subsurface point or a reflection of the ground water level plus the pressure head.
Sample 1Sample 2Sample 3
Hydrostatic head or "hydrostatic pressure" means the pressure which exists at any point in the wellbore due to the weight of the column of fluid or gas above that point.
Sample 1Sample 2Sample 3
Hydrostatic head or "hydrostatic pressure" means the pressure which exists at any point in the wellbore due to the weight of the column of fluid or gas above that point. "Illegal gas" means gas which has been produced within the State from any well or wells in violation of any rule, regulation, or order of the Commission, as distinguished from gas produced within the State not in violation of any such rule, regulation, or order
Sample 1Sample 2Sample 3

Examples of Hydrostatic head in a sentence

  • Hydrostatic head density compensator level meter, Hydrostep, Radar or microwave level indicator, Ultrasonic or Sonic level indicator.

  • Hydrostatic head should be figured from bottom of tremie seal to ordinary water surface elevation.

  • Hydrostatic head" means the height of the free surface of a body of water above a given subsurface point or a reflection of the ground water level plus the pressure head.

  • Hydrostatic head is defined as the pressure exerted by a column of fluid, and is a function of column height (overburden thickness) and fluid density.

  • Hydrostatic head of liquid in overhead piping leads to the three relief valves opening The minimum closing (blowdown) pressure for the three safety relief valves to stop flowing was 37.2 psig (256.5 kPa).

  • Hydrostatic head resistance greater than 7.7 feet (2.35 m) in accordance with AATTC 127.

  • Property: Solids Content Elongation Peel Adhesion Pliability (180° bend over 1" mandrel) Hydrostatic head Typical Value: 100% 250% 5 lb./inch width Unaffected at -25°F Test Method: ASTM D-1644 ASTM D-412 See footnote 1 ASTM D-146 75 ft.

  • Hydrostatic head is prescribed along the vertical boundaries, xd = 0, ξ.

  • Hydrostatic head tests are performed by applying membrane on primed concrete, then sealing the waterproofed concrete to a pressure chamber.

  • Hydrostatic head test are performed by applying and rolling membrane on primed concrete, then sealing the waterproofed concrete to a pressure chamber.

Related to Hydrostatic head

  • Electrostatic spray means a method of applying a spray coating in which opposite electric charges are applied to the substrate and the coating. The coating is attracted to the substrate by the electrostatic potential between them.

  • Fluoroscopic imaging assembly means a subsystem in which X-ray photons produce a visual image. It includes the image receptor(s) such as the image intensifier and spot-film device, electrical interlocks, if any, and structural material providing linkage between the image receptor and diagnostic source assembly.

  • Process Wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product.

  • Sewage sludge weight means the weight of sewage sludge, in dry U.S. tons, including admixtures such as liming materials or bulking agents. Monitoring frequencies for sewage sludge parameters are based on the reported sludge weight generated in a calendar year (use the most recent calendar year data when the NPDES permit is up for renewal).

  • Chronic toxicity means concurrent and delayed adverse effects that occur only as a result of a chronic exposure.

  • Acute toxicity means concurrent and delayed adverse effects that result from an acute exposure and occur within any short observation period, which begins when the exposure begins, may extend beyond the exposure period, and usually does not constitute a substantial portion of the life span of the organism.

  • Septic tank means a water tight tank designed to receive sewage and to effect the adequate decomposition of organic matter in sewage by bacterial action;

  • High global warming potential hydrofluorocarbons means any hydrofluorocarbons in a particular end use for which EPA’s Significant New Alternatives Policy (SNAP) program has identified other acceptable alternatives that have lower global warming potential. The SNAP list of alternatives is found at 40 CFR part 82, subpart G, with supplemental tables of alternatives available at (http://www.epa.gov/snap/ ).

  • Compostable means all the materials in the product or package

  • Membrane filtration means a pressure or vacuum driven separation process in which particulate matter larger than one micrometer is rejected by an engineered barrier, primarily through a size exclusion mechanism, and which has a measurable removal efficiency of a target organism that can be verified through the application of a direct integrity test. This definition includes the common membrane technologies of microfiltration, ultrafiltration, nanofiltration, and reverse osmosis.

  • Biological safety cabinet means a containment unit suitable for the preparation of low to moderate risk agents where there is a need for protection of the product, personnel, and environment, according to National Sanitation Foundation (NSF) Standard 49.

  • Pneumatic tire means every tire in which compressed air is designed to support the load.

  • Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.

  • Cabinet x-ray system means an x-ray system with the x-ray tube installed in an enclosure independent of existing architectural structures except the floor on which it may be placed. The cabinet x-ray system is intended to contain at least that portion of a material being irradiated, provide radiation attenuation, and exclude personnel from its interior during generation of radiation. Included are all x-ray systems designed primarily for the inspection of carry-on baggage at airline, railroad, and bus terminals, and in similar facilities. An x-ray tube used within a shielded part of a building, or x-ray equipment that may temporarily or occasionally incorporate portable shielding, is not considered a cabinet x-ray system.

  • Irritant means any substance, other than a corrosive, that on