Rotating head definition

Rotating head means a rotating, pressure sealing device used in drilling operations utilizing air, gas, foam, or any other drilling fluid whose hydrostatic pressure is less than the formation pressure.

Examples of Rotating head in a sentence

  • Rotating head with hawser allows for export tanker to weathervan freely.

  • Rotating head sprinkler systems should operate no more than thirty minutes per zone.

  • If you are still unsure whether or how to raise a concern or you want confidential advice, you can contact the independent charity Public Concern at Work on 020 7404 6609 or at www.pcaw.co.uk Their Lawyers can give you free confidential advice on how to raise a concern about serious malpractice at work.

Related to Rotating head

  • Building Height means the vertical distance measured in the case of flat roofs, from the average level of the center line of the adjoining street to the highest point of the building adjacent to the street; and in the case of pitched roofs, up to the point where the external surface of the outer wall intersects the finished surface of the sloping roof and in the case of gables facing the road, the midpoint between the eaves level and the ridges:

  • Anti-Ragging Helpline means the Helpline established under clause (a) of Regulation 8.1 of these Regulations.

  • PVC means Price variation clause

  • Freeboard height means for vapor degreasers the distance from the top of the vapor zone to the top of the degreaser tank. For cold cleaners, freeboard height means the distance from liquid solvent level in the degreaser tank to the top of the tank.

  • Disinfectant means any oxidant, including but not limited to chlorine, chlorine dioxide, chloramines, and ozone added to water in any part of the treatment or distribution process, that is intended to kill or inactivate pathogenic microorganisms.

  • Moderate income housing means housing affordable,

  • Water Year means the period commencing with October 1 of 1 year 20 and extending through September 30 of the next; and

  • Winter Season means the period commencing on November 1 of any year and ending on the next succeeding March 31.

  • Boarding home means a privately owned and operated home for the boarding and lodging of individuals which is approved by the Department of Juvenile Justice or the cabinet for the placement of children committed to the department or the cabinet;

  • Pot or "Trap" means any stationary bottom-fishing contrivance or device made of wood, wire mesh, or plastic mesh, fished individually or linked by a common line and generally baited; used to catch finfish, crabs, conchs, or lobsters that enter through a conical or rectangular opening where escape is difficult.

  • water meter means any apparatus for measuring or showing the volume of water supplied to, or of effluent discharged from any premises;

  • Unit operating hour or "hour of unit operation" means an hour in which a unit combusts any fuel.

  • Diameter at Breast Height (DBH) means the diameter of a tree at 4 1/2 feet above the ground measured from the uphill side.

  • MHBE means the Maryland Health Benefit Exchange.

  • Taximeter means any device for calculating the fare to be charged in respect of any journey in a hackney carriage or private hire vehicle by reference to the distance travelled or time elapsed since the start of the journey, or a combination of both; and

  • Maximum residual disinfectant level or “MRDL” means a level of a disinfectant added for water treatment that may not be exceeded at the consumer’s tap without an unacceptable possibility of adverse health effects.

  • Yard Trimmings means grass clippings, leaves, wood chips from tree parts, and brush.

  • Plan for moderate income housing means a written document adopted by

  • stacked bicycle parking space means a horizontal bicycle parking space that is positioned above or below another bicycle parking space and equipped with a mechanical device providing floor level access to both bicycle parking spaces.

  • mean high water springs or “MHWS” means the highest level which spring tides reach on average over a period of time;

  • Operating Hours means the hours listed in an early learning program parent handbook when the program is open and providing care and services to children.

  • Freeboard means a factor of safety usually expressed in feet above a flood level for purposes of floodplain management. "Freeboard" tends to compensate for the many unknown factors that could contribute to flood heights greater than the height calculated for a selected size flood and floodway conditions, such as wave action, blockage of bridge or culvert openings, and the hydrological effect of urbanization of the watershed.

  • Working Hour means an hour between 0900 hours and 1700 hours on a Working Day.

  • Finished Lots Entitled Land with respect to which (a) development has been completed to such an extent that permits to allow use and construction, including building, sanitary sewer and water, are entitled to be obtained for a Unit on such Entitled Land and (b) start of construction has not occurred.

  • interval meter means a meter that measures and records electricity use on an hourly or sub-hourly basis;

  • Historic building means a building, including its structural components, that is located in this state and that is either individually listed on the national register of historic places under 16 U.S.C. 470a, located in a registered historic district, and certified by the state historic preservation officer as being of historic significance to the district, or is individually listed as an historic landmark designated by a local government certified under 16 U.S.C. 470a(c).