Perforations definition

Perforations means a series of openings in a casing, made either before or after installation of the casing, to permit the entrance of water into the well.
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Examples of Perforations in a sentence

  • Number of Perforations per Lateral is equal to 1.0 plus the Number of Perforation Spaces .

  • Perforations must be clean and sharp, without lint, and lie flat at both front and backsides of forms.

  • Perforations would allow for four (4) or fewer unique, bar-coded coupons.

  • Perforations shall be constantly accurate to 90 degree angle to the centerline of vertical aligning holes in margins.

  • Carbon Perforations $15.00 Flat For each perforation within a set in the same position on one or more carbons.

  • Perforations must be strong enough to hold together during the inserting process: absolutely NO PLASTIC, METAL, MAGNETS OR OTHER OBJECTS.

  • North Royalton shall carry comprehensive general liability insurance, occurrence version, in an amount of $1,000,000 per occurrence with an annual aggregate limit of at least $2,000,000.

  • Dispersion Trench Perforations Plugged Over one-half of perforations in pipe are plugged with debris and sediment.

  • Perforations every 8½” to be 11” long Recycled Content: 60% Post-Consumer: 30% Manufacturer: Willamette CCSF R1185 (2 rolls per pallet) Opacity: 89 Brightness: 84 Specifications must comply with IBM Publication Forms Design Reference Guide for the IBM 3900 Printing Subscription GA32-0137-01.

  • Perforations: Required on back cover around application for Remote Accessible Vote by Mail and Language preference postcard.

Related to Perforations

  • Drill means a response to a planned, simulated event.

  • borehole means a hole sunk into the earth for the purpose of locating, abstracting or using subterranean water and includes a spring;

  • exploration area means that part of the Area allocated to the Contractor for exploration, described in schedule 1 hereto, as the same may be reduced from time to time in accordance with this contract and the Regulations;

  • Casing means a pipe or tubing of appropriate material, of varying diameter and weight, lowered into a borehole during or after drilling in order to support the sides of the hole and thus prevent the walls from caving, to prevent loss of drilling mud into porous ground, or to prevent water, gas, or other fluid from entering or leaving the hole.

  • Exploration Operations means any operations carried out for or in connection with the exploration for minerals, and includes -