Drillhole definition

Drillhole means any of the following:
Drillhole means an excavation or opening deeper than it is wide that extends more than 10 feet below the ground surface constructed for any purpose other than to obtain groundwater.
Drillhole means an excavation, opening or driven point well deeper than it is wide that extends more than 10 feet below the ground surface.

Examples of Drillhole in a sentence

  • Drillhole sampling methods have remained essentially the same over the years.

  • Scale - 2:1 Drillhole specification for PCB: (O 1,60 -0,03 )O 1,475 ±0,05min.

  • Product Specific:Follow all instructions in the datasheet, especially: • Drill-hole specifications.• Wave and reflow soldering is not applicable.• The maximum permissible torques must be complied with to prevent mechanical destruction.• While press-fit process PCB should be supported against bending.• Chip formation due to material displacement is permitted.

  • Drillhole HY-15-46: 76.34m of 0.32 g/t Au from 75.56 to 151.90m - including 20.95m of 0.41 g/t Au from 73.88 to 94.83m and 35.9m of 0.36 g/t Au from 116 to 151.9m.

  • Drillhole HY-15-47: 88.7m of 0.24 g/t Au from 35.52 to 135.22m which includes intervals of 29.82m of 0.33 g/t Au from 45.52 to 75.34m and 23.68m of 0.37 g/t Au from 110.54 to 134.22m.

  • Scale - 1,5:1 Drillhole specification for PCB: (O 1,60 -0,03 )O 1,475 ±0,05min.

  • While all of the holes intersected mineralized veins, only Drillhole SCL-11-07 returned significant assay values.

  • Drillhole intervals are downhole intervals from angled holes and not always reflective of true widths.

  • Scale - 1:1 Drillhole specification for PCB: (O 1,60 -0,03 )O 1,475 ±0,05min.

  • Drillhole sites shall be selected at representative locations and at representative working depths.


More Definitions of Drillhole

Drillhole means a hole drilled for the primary purpose of obtaining geological, geochemical, or geophysical information;
Drillhole means a hole that is drilled to explore for a metallic and industrial mineral;

Related to Drillhole

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

  • drilling means the act of boring a hole to reach a proposed bottom hole location through which oil or gas may be produced if encountered in paying quantities, and includes redrilling, sidetracking, deepening, or other means necessary to reach the proposed bottom hole location, testing, logging, plugging, and other operations necessary and incidental to the actual boring of the hole;

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

  • 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.

  • Drywell means an unlined or partially lined underground pit (regardless of geometry) into which drainage from roofs, basement floors, water softeners or other non-wastewater sources is discharged and from which the liquid seeps into the surrounding soil.

  • Lot depth means the horizontal distance between the front and rear lot lines.

  • Junkyard means an establishment or place of business which is maintained, operated or used for storing, keeping, buying or selling junk, or for the maintenance or operation of an automobile graveyard, including garbage dumps and sanitary fills.

  • Drilling unit means the area fixed for the drilling of one well by order or rule of any state or federal body having authority. If a Drilling Unit is not fixed by any such rule or order, a Drilling Unit shall be the drilling unit as established by the pattern of drilling in the Contract Area unless fixed by express agreement of the Drilling Parties.

  • Horizontal well means a well bore drilled laterally at an angle of at least eighty (80) degrees to the vertical or with a horizontal projection exceeding one hundred (100) feet measured from the initial point of penetration into the productive formation through the terminus of the lateral in the same common source of supply.

  • Water well means an excavation that is drilled, cored, bored, augered, washed, driven, dug, jetted, or otherwise constructed for the purpose of exploring for groundwater, monitoring groundwater, utilizing the geothermal properties of the ground, or extracting water from or injecting water into the aquifer. “Water well” does not include an open ditch or drain tiles or an excavation made for obtaining or prospecting for oil, natural gas, minerals, or products mined or quarried.

  • Surface mining means mining by removing the overburden lying above the natural deposits and excavating directly from the natural deposits exposed, or by excavating directly from deposits lying exposed in their natural state and shall include dredge operations conducted in or on natural waterways or artificially created waterways within the state.

  • Deep well means a well located and constructed in such a manner that there is a continuous layer of low permeability soil or rock at least 5 feet thick located at least 25 feet below the normal ground surface and above the aquifer from which water is to be drawn.

  • Rig means, collectively, offshore drilling rigs, including, semisubmersibles, drillships, xxxx-ups, semisubmersible tender assist vessels and submersible rigs, owned by the Borrower and/or any Subsidiary of the Borrower, and, individually, any of such rigs.

  • Gas well means a well producing gas or natural gas from a common source of gas supply as determined by the commission.

  • Exploration means all activities directed toward ascertaining the existence, location, quantity, quality or commercial value of deposits of Products.

  • Injection well means a well into which fluids are injected. (See also “underground injection”.)

  • Surface water means all water which is open to the atmosphere and subject to surface runoff.

  • Waterway means any body of water.

  • Mine means to carry on an operation with a view to, or for the purpose of—

  • Workover means operations on a producing well to restore or increase production.

  • Intake means “Sanctioned Intake”.

  • Salvaging means the lawful and controlled removal of reusable materials from solid waste.

  • PAD means a Preauthorized Debit.

  • Excavate or "excavation" means ditching, dredging, or mechanized removal of earth, soil or rock.

  • stratigraphic test well means a drilling effort, geologically directed, to obtain information pertaining to a specific geologic condition. Ordinarily, such wells are drilled without the intention of being completed for hydrocarbon production. They include wells for the purpose of core tests and all types of expendable holes related to hydrocarbon exploration. Stratigraphic test wells are classified as (i) "exploratory type" if not drilled into a proved property; or (ii) "development type", if drilled into a proved property. Development type stratigraphic wells are also referred to as "evaluation wells".

  • Exploration Well means a well that is not a development well, a service well or a stratigraphic test well.