line drilling definition mining

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  • Line drilling | Article about line drilling by The Free ...

    line drilling. [ ′līn ‚dril·iŋ] (mining engineering) The combined methods of drilling and broaching for the primary cut in quarrying; deep, closely spaced holes are drilled in a straight line by means of a reciprocating drill, and webs between holes are removed by a drill or a flat broaching tool. McGraw-Hill Dictionary of Scientific & Technical ...

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  • Line-drilling | Britannica

    In mining: Unit operations. In line drilling, closely spaced pilot holes may be drilled first and the intervening material then removed by reaming with a larger-diameter bit. Other arrangements using special guides are also available. For softer, less-abrasive rocks, the remaining rock web between holes may simply be chipped or….

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  • Definition of line drilling - Mindat.org

    Definition of line drilling. A term used in quarrying to describe the method of drilling and broaching for the primary cut. In this method, deep holes are drilled close together in a straight line by means of a reciprocating drill mounted on a bar.

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  • Drilling Line - an overview | ScienceDirect Topics

    Line drilling or slot drilling is a more modern technique for quarrying, which consists of drilling a series of overlapping holes. The drill is mounted on a quarry bar or frame that aligns the holes and holds the drill in …

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  • Types of Drilling Methods used in Mining | Boring |

    2021-7-12 · A wire line drilling technique is an improvement to reduce this time. The rods are not taken out to remove the core which is collected in the core barrel tube during drilling. The tube is pulled out the surface through the drill rods with the help of a catcher which is lowered through the rods by a …

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  • Gold X Mining Commences Definition Drilling and

    2020-10-20 · Definition drilling to target recently discovered, open-ended, high grade structures within the Toroparu Main and NW Zones. Step-Out and Infill drilling targeting extension of the strike length of the Toroparu mineralized trend to at least 3.8 kilometres

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  • Drilling patterns - QueensMineDesignWiki

    Electro-refining – the use of electrolysis to improve the purity of the metal extracted from ore. Electro-winning – a process that uses electric currents to remove metal ions from liquid solutions, usually to recover precious metals. Endowment – the full economic potential of an area due to be mined. F.

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  • A Glossary of the most common mining terms - Finfeed

    Mobile line drilling machine is ideal for quarrying, rock explosion, especially making large diameter holes. (90mm/3.5 inch). It is mainly used for making holes for the passage of diamond wire. And also good for normal line hole drilling, such as holes for expansive mortar.

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  • Definition of line drilling - Mindat.org

    Definition of line drilling. A term used in quarrying to describe the method of drilling and broaching for the primary cut. In this method, deep holes are drilled close together in a straight line by means of a reciprocating drill mounted on a bar. The webs between the holes are removed with a drill or a flat broaching tool; thus a narrow ...

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  • Drilling in mining - SlideShare

    2017-1-11 · by Shteryo Lyomov, Phd, Dept. of Drilling, Transport and Oil & Gas Production, Mining and Geology U., Sofia, Bulgaria Directional diamond drilling (DDD) is powerful technology in the service of the mineral exploration industry. Its application plays an important role and is constantly increasing. A close look at its application reveals the most important factors […]

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  • Drilling Techniques for Mining Exploration -

    2021-7-12 · In this article we will discuss about the types of drilling methods used in mining. The types are: 1. Percussive Drilling 2. Rotary Drilling. Method # 1. Percussive Drilling: In this method which is the oldest one of drilling, the hole is drilled by striking a number at short in intervals on the rock by a chisel-type tool and between the blows ...

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  • Directional Diamond Drilling - Definitions, terms and ...

    A line drilling apparatus 8 may be fastened by means of a fastening part 9 to a movable carrier 10, an excavator or a mining vehicle, for example. Thus, the line drilling apparatus 8 may be a detachable apparatus. Alternatively, it may be integrated as part of the carrier 10. The line drilling apparatus 8 comprises a first boom 11 and a second ...

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  • Types of Drilling Methods used in Mining | Boring |

    2021-7-10 · Drilling definition: Drilling is the process of cutting holes in a solid material using a rotating cutting... | Meaning, pronunciation, translations and examples

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  • A Glossary of the most common mining terms - Finfeed

    2020-11-2 · COVID-19 hits drilling contractor's bottom line The ongoing COVID-19 pandemic has impacted Boart Longyear’s third quarter results. Boart Longyear's Adelaide headquarters in …

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  • Line drilling | Article about line drilling by The Free ...

    line drilling. [ ′līn ‚dril·iŋ] (mining engineering) The combined methods of drilling and broaching for the primary cut in quarrying; deep, closely spaced holes are drilled in a straight line by means of a reciprocating drill, and webs between holes are removed by a drill or a flat broaching tool. McGraw-Hill Dictionary of Scientific & Technical ...

    Get Price
  • Line-drilling | Britannica

    In mining: Unit operations. In line drilling, closely spaced pilot holes may be drilled first and the intervening material then removed by reaming with a larger-diameter bit. Other arrangements using special guides are also available. For softer, less-abrasive rocks, the remaining rock web between holes may simply be chipped or….

    Get Price
  • Definition of line drilling - Mindat.org

    Definition of line drilling. A term used in quarrying to describe the method of drilling and broaching for the primary cut. In this method, deep holes are drilled close together in a straight line by means of a reciprocating drill mounted on a bar.

    Get Price
  • Drilling Line - an overview | ScienceDirect Topics

    Line drilling or slot drilling is a more modern technique for quarrying, which consists of drilling a series of overlapping holes. The drill is mounted on a quarry bar or frame that aligns the holes and holds the drill in …

    Get Price
  • Types of Drilling Methods used in Mining | Boring |

    2021-7-12 · A wire line drilling technique is an improvement to reduce this time. The rods are not taken out to remove the core which is collected in the core barrel tube during drilling. The tube is pulled out the surface through the drill rods with the help of a catcher which is lowered through the rods by a …

    Get Price
  • Gold X Mining Commences Definition Drilling and

    2020-10-20 · Definition drilling to target recently discovered, open-ended, high grade structures within the Toroparu Main and NW Zones. Step-Out and Infill drilling targeting extension of the strike length of the Toroparu mineralized trend to at least 3.8 kilometres

    Get Price
  • Drilling patterns - QueensMineDesignWiki

    2019-6-28 · Drilling in mining the development cycle tends to be the most time-consuming part of the cycle followed by mucking and loading. To combat this, jumbos are sometimes fitted with additional drills, sometimes up to three drills. This way as some drills are drilling others can be maneuvered into place and there is less downtime for the operator.

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  • A Glossary of the most common mining terms - Finfeed

    2018-5-4 · Strike: direction of the line formed by the intersection of a fault, bed, or other planar feature and a horizontal plane. Strike length: Distance along strike. Strip ratio: The ratio of tonnes removed as waste relative to the number of tonnes of ore removed from an open-pit mine. For example, a 3:1 stripping ratio means that mining one cubic metre of ore will require mining three cubic metres of …

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  • Mining Terms Explained: A to Z | Anglo American

    Electro-refining – the use of electrolysis to improve the purity of the metal extracted from ore. Electro-winning – a process that uses electric currents to remove metal ions from liquid solutions, usually to recover precious metals. Endowment – the full economic potential of an area due to be mined. F.

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  • China Quarrying and Mining Grout Hole Line Drilling ...

    Mobile line drilling machine is ideal for quarrying, rock explosion, especially making large diameter holes. (90mm/3.5 inch). It is mainly used for making holes for the passage of diamond wire. And also good for normal line hole drilling, such as holes for expansive mortar.

    Get Price
  • Definition of Drilling Line - IADC Lexicon

    2013-10-26 · Drilling (Hoisting) Line. The wire rope used in the rig’s main hoisting system. Source: API RP 54, Recommended Practice for Occupational Safety for Oil and Gas Well Drilling and Servicing Operations, Third Edition, August 1999 (2007). Global Standards Drilling (Hoisting) Line “Drilling line” sometimes called a hoisting line, means the wire line used in the main rig hoisting system, one ...

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  • WCM Factsheet Slim Line Drilling 1119 - West Cumbria

    2019-11-22 · SLIM LINE DRILLING WCM FACTSHEET From 2014 West Cumbria Mining undertook an exploration drilling programme along the coast line of St Bees to gain a greater understanding of the subsurface geology, determine the thickness and depth of target coal seams and extract samples for up-to-date coal quality assessments.

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  • Drilling technology in mining - what is possible?

    2013-8-1 · Rather, drilling is a crucial part of the mine production process. Mines that have been active and producing for years still have exploration drilling programs. Drilling programs are essential, due to the constraints of our current methods of discovering what is beneath the earth’s surface. Seismic studies, magnetometry, and geological ...

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  • Why Drilling Is Essential in Mines | Geology for Investors

    2021-5-10 · Definition drilling has recently been conducted on an 80m line spacing at Diucon and has returned outstanding results . These results include the identification of high grade near surface mineralisation extending further to the south of previously intersected mineralisationat Diucon. Significant new gold results in drilling are provided in Table 1

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  • Large mineralised system confirmed at Diucon - De Grey

    2021-5-10 · Resource Definition Drilling . Resource definition (infill) drilling has been undertaken at each of the zones at Hemi, including at Brolga. Refer figures 1 and 2 and tables 1 and 2. Wide zones of shallow gold mineralisation have been intersected on section 30680E (Figure 1) which is 40m east of the original discovery section 30640E.

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  • Impressive resource definition drilling at Brolga

    2021-6-29 · The process, Sustainable Mining by Drilling (SMD) is divided into two campaigns: drilling the pilot holes and accurately mapping the vein, then enlarging the pilot holes to predetermined sizes to recover the ore. Using an inclined mast drilling rig, an inclined pilot hole is drilled along the centre line of the vein (equidistant between the ...

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  • Sustainable Mining by Drilling Archives - International

    2018-1-4 · A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.

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  • Mud Line | Drilling Industry Glossary

    Mud return line. A trough or pipe that is placed between the surface connections at the wellbore and the shale shaker and through which drilling mud flows on its return to the surface from the hole. Also called flow line. Back to Glossary.

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  • WCM Factsheet Slim Line Drilling 1119 - West Cumbria

    2019-11-22 · SLIM LINE DRILLING WCM FACTSHEET From 2014 West Cumbria Mining undertook an exploration drilling programme along the coast line of St Bees to gain a greater understanding of the subsurface geology, determine the thickness and depth of target coal seams and extract samples for up-to-date coal quality assessments.

    Get Price
  • Definition of Drilling (Hoisting) Line - IADC Lexicon

    2013-10-26 · Definition(s) Drilling (Hoisting) Line. A wire line used in the main rig hoisting system. Source: Petroleum Safety Orders–Drilling and Production, Definitions, California Code of Regulations, 8 CCR § 6505, December 2012. Regulations.

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  • Resource Definition Drilling - BCM – Surface Mining ...

    2021-7-8 · Identifying exactly where the mineralisation is can grow and improve confidence in your mineral resource classification, our fleet of exploration drill rigs are perfectly suited for this job. RC Drilling BCM operates a fleet of track mounted Thor RC rigs. They are rugged and robust, designed specifically for the African continent. Auxillary compressors allow drilling […]

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  • Large mineralised system confirmed at Diucon - De Grey

    2021-5-10 · Definition drilling has recently been conducted on an 80m line spacing at Diucon and has returned outstanding results . These results include the identification of high grade near surface mineralisation extending further to the south of previously intersected mineralisationat Diucon. Significant new gold results in drilling are provided in Table 1

    Get Price
  • Mud Line | Drilling Industry Glossary

    Autonomous drilling delivers benefits across the mining operation. Accurate drilling and blasting helps make every other aspect of a mining operation smoother, safer and more productive. Even minor deviations from the pattern can have a big impact, with unevenly blasted material that is harder and more costly to handle, resulting in higher cost ...

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  • Viewpoint Mining Magazine - Autonomous drilling

    Define drilling. drilling synonyms, drilling pronunciation, drilling translation, English dictionary definition of drilling. n. 1. a. An implement with cutting edges or a pointed end for boring holes in hard materials, usually by a rotating abrasion or repeated blows; a bit. ... production - (economics) manufacturing or mining or growing ...

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  • Drilling - definition of drilling by The Free Dictionary

    2021-7-9 · Directional Drilling: A drilling technique in which a well is bored at multiple angles. Directional drilling most often refers to drilling at non-vertical angles, including horizontally. It is ...

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  • Directional Drilling Definition - Investopedia

    2021-7-9 · Mining and well drilling bits typically feature a threaded connection for attachment to a drill or drillstring and a hollow body through which drill fluids are circulated. Drill fluids are required to clear drill cuttings, cool the bit, and stabilize the borehole wall. Types of well drilling bits include the following:

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  • Mining and Well Drilling Bits Selection Guide |

    Company History. Incorporated in 1996, Timberline Drilling, Inc. is headquartered in beautiful Coeur d’Alene, Idaho and supported by our field office in mining hub Elko, Nevada. We are a leading underground and surface core-drilling contractor in the United States. Our ability to deliver quality core samples, on time and on budget, from ...

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