Longhole drilling (Journal Article)
This paper describes new drilling equipment used to drill blasting holes for underground mining operations. Although this method was originally designed for caving or stopping, it is now suitable for all highly mechanized mining operations. It describes the automated methods to monitor drilling progress, align drill holes, and handling of drill rods.
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Digging Deeper: The Advantages of Long Hole Open …
The advancements in technology for drilling and blasting, allowed for more accurate and efficient drilling of the holes, which made it possible to increase the rate of mining and reduce the mining ...
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Long Hole Drilling
For drilling in the larger bulk mining stopes, we can drill 64mm holes with a T38 drill string, 76mm holes with a T45 drill string or 89mm holes with a T51 string. Whether part of a production drilling program, or sometimes as a single job, we are often required to drill Long Hole Rises. These can be slot rises or ventilation rises.
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Ferrodrill Namibia (Pty) LTD
Our main focus is on deep RC and deep Core drilling though. EXPERIENCE. With a combined total of more than 4.5 million meters drilled in Namibian soil alone during the past 18 years, we're confident that we've …
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Oil & gas exploration progressing well – Namcor
Meanwhile, Chevron Namibia Exploration (80%, operator), Namcor (10%), and Trago (10%) completed drilling the Kapana-1X exploration well in Block 2813B (PEL 90) earlier …
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unveils automation-ready ITH longhole drill with V-30 head
has launched its first automation-ready underground in-the-hole (ITH) longhole drill for production drilling, service support and mechanised slot raising. The DU412i drill rig is the first fully automated ITH longhole drill introduced by the company. It is used for various ITH applications.
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Digital production drilling
Hammer Production Drills at Mining & Rock . Technology, outlines key trends in longhole drilling in mining HIGH PROFILE IM oduction drilling. says its DL421 is the most popular . longhole drill in the market in mass mining, in. proven track record in drilling capacity, hole . accuracy and productivity. This machine is part
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(PDF) Design of stoping parameters and support system for longhole
Longhole Stoping is a popular large scale underground mining method for metalliferous mine known for its ability to simplify stope sequencing. It encompasses advantage of Faster Stope Production ...
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Major Drilling Group International Inc.
Major Drilling provides a complete suite of drilling services including surface and underground coring, directional, reverse circulation, sonic, geotechnical, environmental, water-well, coal-bed methane, shallow gas, underground percussive/longhole drilling, surface drill and blast, a variety of mine services, and ongoing development of data ...
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Directional Control in Longhole Drilling
For further information contact the UOW Library: [email protected] 2012 Coal Operators' Conference The University of Wollongong DIRECTIONAL CONTROL IN LONGHOLE DRILLING Frank Hungerford1,2, Ting Ren1 and Naj Aziz1 ABSTRACT: Directional drilling has provided the coal mining industry with a means to position in-seam boreholes to achieve ...
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Long-hole drilling in development and stoping in narrow-reef mines
Long-hole drilling in development and stoping in narrow-reef mines . J.A. Nixon; J.A. Nixon. Search for more papers by this author . ... This paper descriptionbes experiments conducted on two mines to improve the efficiency of development and stoping methods in narrow reefs by the use of long blast holes. Detailed results of burn-cut breaking ...
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's fully automated & digitised DL432i
DU412i is an ITH longhole drill designed for underground mining in production drifts of 4 by 4 m or larger. Equipped with 3 in to 8 in ITH hammers and Ø3 in to Ø5 in (76-127 mm) drill pipes, it can drill vertical and …
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NAMCOR to drill three new wells in 2025 with international partners
Sibeya said the drilling campaigns is aimed at investigating the continuity of hydrocarbon flows from recent discoveries and to uncover new reserves. The initiatives will be …
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B2Gold Corp.
Mineral Reserves that will be mined by underground methods assume a modified transverse longhole stoping mining method, gold price of US$1,600/oz, metallurgical recovery of 98%, selling costs of US$67.61/oz including royalties and levies, average mining cost of US$109.91/t mined, average processing cost of US$12.75/t processed, general costs of ...
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slots new DU412i automated drill into ITH longhole range
Its first fully automated ITH longhole drill, the DU412i has a drilling module for fan or parallel Ø90-216 mm longhole drilling, using 3-8 in ITH hammers. Equipped with the V-30 head, the drill provides mechanised reaming of Ø30 in slot raises, it says. The DU412i is available with high capacity on-board boosters and hammer pressure up to 28 bar.
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TotalEnergies targeting billion-barrel prospect in Orange Basin
TotalEnergies has resumed exploration drilling on Block 2913B with the spudding of the Tamboti-1X exploration well on October 20, targeting an estimated 1 billion barrels. The …
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Hammerstein Mining and Drilling
Hammerstein Drilling's vision and mission is to become one of the leading companies in mining and drilling services in Namibia, Angola and abroad. Hammerstein Drilling is focussed on individual and custom made client …
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Major Mines & Projects | Rosh Pinah Mine
Examine the latest updates on drilling outcomes spanning various commodities. ... Mining Method: Longhole open stoping; Transverse open stoping; Longitudinal open stoping; ... with the remainder held by PE Minerals (Namibia) (Proprietary) Limited - 1.63%, Jaguar Investments Four (Proprietary) Limited - 7.84%, and Rosh Pinah Employee Empowerment ...
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(PDF) Optimizing Long Hole Drilling for Platinum …
By following a selection process based on the parameters highlighted above, a practical long hole drilling mining method should be able to be implemented. ... H.J. Monitoring and evaluation of longhole drilling equipment, CSIR Mining …
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DL421 TOP HAMMER LONGHOLE DRILL
LONGHOLE DRILL 1. DL421 TOP HAMMER - LONGHOLE DRILL DL421 is a fully-mechanized and compact electro-hydraulic top hammer longhole drill designed for underground mass mining in 3.6 x 3.6 m or larger production drifts. It is capable of drilling vertical and inclined fans and single or parallel Ø64…115 mm
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launches AutoMine for Underground Drills …
Mining and Rock Solutions has launches AutoMine for Underground Drills, a tele-remote solution designed for mining operations. Skip to site menu Skip to page content. MT. ... Mining and Rock Solutions …
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B2Gold Corp.
Otjikoto Mine, Namibia 1. Mine Type Open Pit / Underground. Metals Mined Gold. ... Mineral Reserves that will be mined by underground methods assume a modified transverse longhole …
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Types of Drilling in Mining
Tunneling jumbos are versatile modular electro-hydraulic excavation machines that can be used for both fast face drilling and mechanized longhole drilling and bolting. Jumbos operate as stationary work stations that an operator safely …
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90 Longhole Driller Jobs in Australia (4 new)
Today's top 90 Longhole Driller jobs in Australia. Leverage your professional network, and get hired. ... Oil & Gas Drilling Crew (Beetaloo Basin)-Leasehand/ Floorhand/ Motorhand/ Trades ... Mining Engineer jobs Early Childhood Educator jobs Geologist jobs ...
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Long hole drilling for the platinum industry— a mining
long hole drilling method is to be successfully implemented in a sustainable economic manner. In-stope long hole drilling is the method whereby holes are drilled parallel to the face from a drill gully through to a toe gully. Figure 1 shows a typical in-stope long hole drilling layout utilizing trackless drill rigs1. Long hole ledging is the method
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104 Longhole Drill
Sturdy, articulated carrier with four wheel drive for easy manoeuvring in narrow tunnels and drifts. Power steering, fail-safe brakes and central lubricated chassis. Four jacks for stable set up. Direct controlled drilling system which incorporates excellent anti-jamming function RPCF (Rotation Pressure Controlled Feed force). Separate pumps for percussion/positioning, rotation and …
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Mining Announces Major Performance Upgrade for …
According to Mining's product manager for underground top hammer production drills, Jukka Naapuri, the automation and intelligence introduced in DL401-series production drills will help customers achieve more consistent longhole drilling productivity in a wide range of mine conditions, regardless of operator experience, and improved process optimisation …
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Up to 10 wells set for drilling in Namibia's Orange Basin in 2025
Namibia Mining and Energy, is a weekly publication that focuses on Namibia's mining and energy sectors. For more information contact: +264 81 4343 154 or …
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Namcor to drill three oil and gas wells in early 2025 | Namibia …
According to Sibeya, Namcor is also planning to drill more wells with ExxonMobil in block 1711 of the Namibe Basin to de-risk the reservoir quality of a gas discovery made in the …
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Major Drilling to Release Third Quarter Results for Fiscal 2025
Major Drilling Group International Inc. (the "Company") will release its third quarter results, ended January 31, 2025, on Thursday, March 6, 2025 after the markets have closed.
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