drilling techniques opencast mines

drilling techniques opencast mines

  • OPTIMIZATION OF BLASTING PARAMETERS IN OPENCAST MINES

    CHAPTER 1: INTRODUCTION. 13. CHAPTER 2: LITERATURE REVIEW. 48. CHAPTER 3: DRILLING AND BLASTING IN LARGE OPENCAST. MINES. 3.1 Drilling. 3.2 Blasting. 3.3 Recent Advancement in Drilling and Blasting Techniques. 922. 2329. 3040. CHAPTER 4: REVIEW OF OPTIMIZATION TECHNIQUES.

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  • Optimization of drilling and blasting operations in an open pit mine

    Drilling and blasting play vital roles in opencast mining. These operations not only affect the cost of production directly but as well and significantly, the overall operational costs. This research was carried out to find a possible way of optimizing the drilling and blasting operations in an open pit mine of Somair (Société des 

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  • Open pit drilling and blastingt SAIMM

    Open pit drilling and blastingt. SYNOPSIS. By ALAN performance. Current methods of doing this are therefore critically appraised. As hole diameters have increased for overall drilling and blasting economies the question JOURNAL OFTHE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY. JANUARY 

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  • Drilling Methods Minerals Downunder Australian Mines Atlas

    Rather than a rotating bit, a hammer bit is forced through the rock by compressed air. As in airrotary drilling, rock chips are brought to the surface by the returning air. Examining the samples. Mudrotary drillingthis method is used for drilling through soft rocks, sand and clay layers especially in the search for coal, oil or gas.

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  • Methods to suppress dust on open pit drill rigs University of Pretoria

    shown that wet drilling can reduce dust levels up to 96%. It is, however, critical that the drill operator ensure that the water flow. Methods to suppress dust on open pit drill rigs. J.J.L. du Plessis1 and S.A.J. Potgieter2. 1Department of Mining Engineering, University of Pretoria, South. Africa and 2Skorpion Zinc Mine, Namibia.

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  • Summary of NIOSH Research Completed on Dust Control Methods

    ful method of dust control for drilling, but many operational problems have been encountered that have undermined full acceptance of this dust control method. The USBM started a program in 1950 to evaluate dustcollection systems for roof drilling in underground coal mines. A typical dust collection system is shown in Fig.

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  • Adapting oil and gas drilling techniques for the mining industry with

    Schlumberger Water Services, now WSPParsons Brinckerhoff, has undertaken a 6year programme assessing the adaptation of oil and gas (O&G) drilling and geophysical characterization techniques to a range of mining appliions, including dewatering. Conventional dewatering systems for open pit mines generally use 

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  • Mine Blasting & Explosives Technology, and Safety Regulations

    Describes the current state of technology of the equipment and technical processes involved in mine blasting. Eduional opportunities relative to blasting jobs and employment involving blasting, and the safety and health requirements for blasters in both open pit mines and underground mines.

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  • optimization of blasting parameters in opencast mines [email protected]

    CHAPTER 1: INTRODUCTION. 13. CHAPTER 2: LITERATURE REVIEW. 48. CHAPTER 3: DRILLING AND BLASTING IN LARGE OPENCAST. MINES. 3.1 Drilling. 3.2 Blasting. 3.3 Recent Advancement in Drilling and Blasting Techniques. 922. 2329. 3040. CHAPTER 4: REVIEW OF OPTIMIZATION TECHNIQUES.

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  • Drilling and Equipment Technology in Mining Drilling Equipment

    This review describes the current state of technology of the equipment and technical processes involved in mine drilling. relative to drilling, jobs and employment involving drilling, and the safety and health requirements for drillers in both ore exploration and open pit mine and underground mine operation and closure.

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  • Development and Appliion of Blast Casting Technique in Large

    Dec 20, 2015 All over the world, this method has successfully been applied to horizontal and dipping coal seams to offset the mining cost of conventional drilling and blasting methods where the increasing stripping ratios have become uneconomical [2–4]. This technique was applied in surface coal mines and other 

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  • OPTIMIZATION OF BLASTING PARAMETERS IN OPENCAST MINES

    CHAPTER 1: INTRODUCTION. 13. CHAPTER 2: LITERATURE REVIEW. 48. CHAPTER 3: DRILLING AND BLASTING IN LARGE OPENCAST. MINES. 3.1 Drilling. 3.2 Blasting. 3.3 Recent Advancement in Drilling and Blasting Techniques. 922. 2329. 3040. CHAPTER 4: REVIEW OF OPTIMIZATION TECHNIQUES.

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  • open pit mining through underground workings Department of

    the issues that should be addressed when open pit mines are excavated through abandoned underground workings, or in .. and shape of underground workings prior to mining, including: ▫ probe drilling1. ▫ geophysical techniques – including seismic, resistivity, conductivity, and gravity methods. ▫ ground probing radar.

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  • Optimal grade control sampling practice in openpit mining – a full

    BH drill sampling was conducted using an Atlas Copco D65 rig, which is normally used by LKAB for production drilling and manual sampling in openpit mines (Figure 2). During the BH campaign, a total of 53 blast holes were drilled. The samples were extracted using the current 

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  • Drilling in mining SlideShare

    Apr 7, 2014 Introduction to Drilling Technology for Surface Mining Prof. K. Pathak Dept. of Mining Appliion of different drilling methods Selection of drills Method of measuring drilling performances 3 Method of . Opencast mining involves removal of waste rock and subsequent winning of the mineral. In case 

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  • waterpowered drilling in mining Center Rock, Inc.

    The Wassara technology was fully implemented in. 1995 and has until today been used to drill more than 17 million metres. 2. 3. sUB LeveL cAving a) Long blast holes b) Investigation holes c) Slot drilling / rises d) Raises e) Service holes (utility, drainage, backfill). 2 open piT Mining a) Drilling for dewatering b) Presplit.

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  • optimization of blasting parameters in opencast mines [email protected]

    CHAPTER 1: INTRODUCTION. 13. CHAPTER 2: LITERATURE REVIEW. 48. CHAPTER 3: DRILLING AND BLASTING IN LARGE OPENCAST. MINES. 3.1 Drilling. 3.2 Blasting. 3.3 Recent Advancement in Drilling and Blasting Techniques. 922. 2329. 3040. CHAPTER 4: REVIEW OF OPTIMIZATION TECHNIQUES.

    >>Details
  • Drilling in mining SlideShare

    Apr 7, 2014 Introduction to Drilling Technology for Surface Mining Prof. K. Pathak Dept. of Mining Appliion of different drilling methods Selection of drills Method of measuring drilling performances 3 Method of . Opencast mining involves removal of waste rock and subsequent winning of the mineral. In case 

    >>Details
  • Surface drill rigs — Mining and Rock Technology

    Surface downthehole drill rigs. Our Surface downthehole (DTH) drills offer the highest mobility, a smaller footprint and the ability to serve multiple sites. Equipped with powerful downthehole hammers, Down The Hole Rigs are designed for highcapacity rock drilling in quarries, opencast mines and rock 

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  • Dust control practices in the Indian mining industry Research Online

    Feb 17, 2012 mining industry for regular use of dust control practices. The present paper briefly describes the techniques/methodologies for controlling dust during different drilling practices and at crusher house and conveyor transfer points and haul roads in the mining industry. INTRODUCTION. Coal is a prime source 

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  • Inseam drilling technologies for underground coal mines CiteSeerX

    There are several inseam coal research projects currently under investigation by the Cooperative Research Centre for. Mining Technology and Equipment (CMTE). The overall aim of the projects is to produce new technologies to enhance safety and the efficiency of inseam gas drainage drilling. Results from high 

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  • Mine Blasting & Explosives Technology, and Safety Regulations

    Describes the current state of technology of the equipment and technical processes involved in mine blasting. Eduional opportunities relative to blasting jobs and employment involving blasting, and the safety and health requirements for blasters in both open pit mines and underground mines.

    >>Details
  • BAUER Mining Solutions

    Aug 10, 2015 necessary – rotary wireline core drilling. Exploration activity is conducted in brownfield areas (an area where there is current or past mining of a particular resource) as well as in greenfield areas (an area where there are no current mining operations or known mineral resources). Methods for exploration 

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  • Blast Hole Drilling: The Basic Process RPM Drilling

    Aug 24, 2017 Blasting Techniques and Methods Used. Technique #1 – Open mine blasting. Open pit mining refers to mining minerals from, as the name suggests, an open pit or may refer to any similar shallow mining operation. Open mine blasting plays a pivotal role in determining the needs of all other mining 

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  • MONITORINGWHILEDRILLING FOR OPENPIT MINING QSpace

    MONITORINGWHILEDRILLING FOR OPENPIT MINING IN A HARD ROCK. ENVIRONMENT: An Investigation of Pattern Recognition Techniques Applied to Rock Identifiion by. Natalie Christine Macerollo Beattie. A thesis submitted to the Department of Mining Engineering in conformity with the requirements for the.

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  • MONITORINGWHILEDRILLING FOR OPENPIT MINING QSpace

    MONITORINGWHILEDRILLING FOR OPENPIT MINING IN A HARD ROCK. ENVIRONMENT: An Investigation of Pattern Recognition Techniques Applied to Rock Identifiion by. Natalie Christine Macerollo Beattie. A thesis submitted to the Department of Mining Engineering in conformity with the requirements for the.

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  • What is the difference between mining and drilling? Quora

    According to me Mining is not only limited to extraction of ores, because coal and diamonds are not ore based still you call it coal mining or diamond mining. Whereas in case of oil Most oil and gas would use drilling, but there is a role for mining technology, such as in the shallower parts of Canada's oil sands. 4.4k Views.

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  • Blast Hole Drilling: The Basic Process RPM Drilling

    Aug 24, 2017 Blasting Techniques and Methods Used. Technique #1 – Open mine blasting. Open pit mining refers to mining minerals from, as the name suggests, an open pit or may refer to any similar shallow mining operation. Open mine blasting plays a pivotal role in determining the needs of all other mining 

    >>Details
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