Home > Products

contact us

We will store the information you have provided us. We will only use this information for the purpose of helping to answer your inquiries. We will not disclose your information to third parties. In the process of helping you, we may need to transmit your information outside the EU. Check this box to indicate that you agree to the above terms.

  • *
  • *
  • <?=$post[

    Using DTH (down the hole hammer) drilling method - The ...

    Using DTH (down the hole hammer) drilling method We are in the business of water wells drilling in Romania, Europe. In Romania the soil varies from non-cohesive to cohesive and hard rocks. How feasible it is to use DTH (down the hole hammer) technique in this situation for drilling? We want to learn more about the drilling with DTH and its ...

    Chat Online
  • <?=$post[

    Rotary percussive drilling (down-the-hole hammer)

    Rotary percussive drilling (down-the-hole hammer) With down-the-hole hammer drilling, the drill principle consists of a combination of percussion and rotation. Unlike the top hammer, here the hammer drill is located directly in the borehole. These devices, known as 'down-the-hole hammers', are connected to the rotating drill pipes.

    Chat Online
  • <?=$post[

    Geo-Drill project exploring down hole hammer drilling for ...

    7/27/2020· In exploring ways to cut down the cost of drilling for geothermal, the GeoDrill project is looking at down the hole hammer drilling technology. The EU-funded GeoDrill research project has been set up to "to develop "holistic" drilling technologies that have the potential to drastically reduce the cost of drilling to large depths (5km or more) and at high temperatures (250 degrees C or more)."

    Chat Online
  • <?=$post[

    Down The Hole Hammers - Creighton Rock Drill Ltd.

    The bit is the tool cutting the rock, and no hammer or rig drilling is better than the bit it uses. The down-the-hole bit is subject to severe stress from the striking piston as well as from the abrasive cuttings passing the bit at high velocity. When selecting the right bit for optimum performance you have to balance penetration against bit life.

    Chat Online
  • <?=$post[

    Odex Piles | Odex Piling & DTH Drilling | Down the hole ...

    Odex piling is a drilling method suitable for boring through boulders and rock strata. A specialist heavy duty drill 'string' is lowered into a steel tube or outer casing. Once drilling starts, the Odex drill bit quickly cuts ahead of the steel casing which enables a number of 'wings' on the bit to open out. The bit can now drill a hole with a ...

    Chat Online
  • <?=$post[

    Down-the-hole hammers - TerraRoc

    DTH hammers Down-The-Hole hammers are a fast, cost efficient and versatile tools for many applications, from water well drillers to construction companies. TerraRoc's different hammer ranges can all be adjusted for the requirement and need of different projects. Drill safely in urban environment How to drill in densely populated areas without damaging the existing structures

    Chat Online
  • <?=$post[

    Down The Hole Method | |

    See this simple animation on how down the hole method drilling is accomplished with a Rotary Blasthole Drill.

    Chat Online
  • <?=$post[

    What is Down the Hole Hammer (DTH Hammer)? - Definition ...

    3/30/2017· A down-the-hole hammer (DTH hammer) is a tool that can be attached to the end of a drill string and inserted into a bore. It's a small jack hammer used to break hard rock into small particles that can be flushed away by the DTH hammer's air exhaust.

    Chat Online
  • <?=$post[

    Rotary percussive drilling (down-the-hole hammer)

    With down-the-hole hammer drilling, the drill principle consists of a combination of percussion and rotation. Unlike the top hammer, here the hammer drill is located directly in the borehole. These devices, known as 'down-the-hole hammers', are connected to the rotating drill pipes.

    Chat Online
  • <?=$post[

    RC drilling (reverse circulation) with down the hole ...

    The RC drilling (reverse circulation) with down the hole hammer for mining exploration: With this method the drilling needs to generate enough air pressure and rotational force on the tool, the pneumatic hammer and a drill string 10, to generate sufficient percussion energy to create rock samples.. The compressed air (injected by the air flow swivel 1/ travels through the outer chamber of .

    Chat Online
  • <?=$post[

    Basic drilling methods - Drilling Methods - Netwas Group Oil

    8/27/2020· Drilling rates of app. 10 m per hour are realistic when using rotary drilling with drag bits in soft/medium and Down-the-hole- (DTH) or Top-Hammer in hard and very hard rock. The advantage of DTH in hard rock can be seen in data from drilling for Schwalbach GCHP Reserach Station: In the same quarzitic rock, app. 5 m apart, and with the same ...

    Chat Online
  • <?=$post[

    Introduction For Down-The-Hole Drilling Method

    10/31/2018· The speedy hammer activity breaks hard stone into little flakes and dust and can be dismissed evident by the air exhaust in the DTH hammer. Considering that the DTH method was initially designed to drill large-diameter holes in surface-drilling software, its title originated in the fact that the percussion mechanism adopted down the bit to the gap.

    Chat Online
  • <?=$post[

    DTH Hammers - Drilling Supply Store

    DTH hammer is used for drilling holes through a wide range of rock types, the variety of which continues to extend well beyond the original conception of early blast hole drilling. Down-the-Hole refers to where the hammer action occurs when compared to drifter hammers, which hammer on top of the drill string.

    Chat Online
  • <?=$post[

    YOUR DRILLING EXPERT A-Z OF DTH DRILLING

    The down-the-hole hammer is now probably the most versatile drilling method available for most applications because it can be used in medium and hard formations enabling them to be used in conditions previously exclusive to rotary, drifter and coring techniques. DRILL BIT

    Chat Online
  • <?=$post[

    2020 Best Down the Hole Drilling Rig Price | DTH Drilling ...

    Down the Hole Drilling Rig is to make the impactor dive into the hole in the process of rock drilling to reduce the energy loss caused by the transmission of the impact energy transmitted by the drill rod, thereby reducing the influence of the hole depth on the rock drilling efficiency.. Types of Down the Hole Drilling Rig for Sale Roll Column. Down the hole drilling rig is an impact rotary ...

    Chat Online
  • <?=$post[

    Hydraulic Down-The-Hole Drilling | Hartrusion

    Down-the-hole (DTH) hammer drilling is often used to drill large, deep holes in hard rock formations or concrete. It is, as the name tries to explain, a hammer drill which is positioned down there in the hole. It is as effective as handheld hammer drilling machines which are widely spread.

    Chat Online
  • <?=$post[

    (PDF) Down-the-Hole Water-Powered Hammer Drilling .

    PDF | On Mar 1, 2016, Sebastian Homuth and others published Down-the-Hole Water-Powered Hammer Drilling Method for Medium-deep Geothermal Energy Drilling | .

    Chat Online
  • <?=$post[

    Basics of drilling 1 - SlideShare

    3/13/2012· Down-The-Hole method Rotary drilling method ISN 11. (1) Drill AdaptabilityThe type of rock drill used in mining drilling is generally determined by the hole diameter required and the mechanical properties, principally hardness, of the rock.A top hammer is commonly employed for drilling of holes less than 125 mm in diameter in all but the ...

    Chat Online
  • <?=$post[

    Down-the-hole drill - Wikipedia

    The hammer in the industrial equipment makes contact with the bit during the down-the-hole drilling method. The top hammer drilling method's activity is concentrated at the very top of the drill string. The activity occurs separately from the bore. Top drilling . With the top drilling method, the piston will increase to the ideal rate.

    Chat Online
  • <?=$post[

    water well drilling Equipment in Europe | Environmental XPRT

    The new series of the FRASTE MULTIDRILL ML drilling rig is fitted with a 100 hp diesel engine that gives the opportunity to further enlarge its performances among the various drilling fields it can be used. Rotary drilling with direct or reverse fluids circulation, down-the-hole hammer, augers, geothermal ...

    Chat Online
  • <?=$post[

    Down-the-hole drilling - Drilling methods for deep ...

    In down-the-hole drilling a drill rod is fitted with a hammer at its lower end. The hammer, which is mounted on the drill bit, is activated through the addition of compressed air and driven into the ground – simultaneously rotating and impacting. A flushing current collects .

    Chat Online
  • <?=$post[

    RC DRILLING - Berminghammer

    can be used in conjunction with rotary drilling bits as well as Down-the-Hole-Hammer applications. The Berminghammer Reverse Circulation Drills are particularly well suited to Down-the-Hole-Hammer applications due to their simple, rugged design and construction. AIR IN WATER/AIR AND SPOILS OUT AIR IN WATER WATER DRILL STRING AIR LIFT DRILL BIT ...

    Chat Online
  • <?=$post[

    Hydraulic Down-The-Hole Drilling | Hartrusion

    Down-the-hole (DTH) hammer drilling is often used to drill large, deep holes in hard rock formations or concrete. It is, as the name tries to explain, a hammer drill which is positioned down there in the hole. It is as effective as handheld hammer drilling machines which are widely spread.

    Chat Online
  • <?=$post[

    Basic drilling methods - Drilling Methods - Netwas Group Oil

    8/27/2020· Drilling rates of app. 10 m per hour are realistic when using rotary drilling with drag bits in soft/medium and Down-the-hole- (DTH) or Top-Hammer in hard and very hard rock. The advantage of DTH in hard rock can be seen in data from drilling for Schwalbach GCHP Reserach Station: In the same quarzitic rock, app. 5 m apart, and with the same ...

    Chat Online
  • <?=$post[

    Down-the-hole drilling - Drilling methods for deep ...

    In down-the-hole drilling a drill rod is fitted with a hammer at its lower end. The hammer, which is mounted on the drill bit, is activated through the addition of compressed air and driven into the ground – simultaneously rotating and impacting. A flushing current collects .

    Chat Online
  • <?=$post[

    Down The Hole Method | |

    See this simple animation on how down the hole method drilling is accomplished with a Rotary Blasthole Drill.

    Chat Online
  • <?=$post[

    Difference between DTH(Down the Hole) Drilling and Top ...

    12/15/2017· Difference between DTH(Down the Hole) Drilling and Top Hammer Drilling December 15, 2017 The reason customer want to drill the hole is that drill and blast is the most efficient and economic way to break rock instead of excavating it.

    Chat Online
  • <?=$post[

    Introduction For Down-The-Hole Drilling Method

    10/31/2018· The speedy hammer activity breaks hard stone into little flakes and dust and can be dismissed evident by the air exhaust in the DTH hammer. Considering that the DTH method was initially designed to drill large-diameter holes in surface-drilling software, its title originated in the fact that the percussion mechanism adopted down the bit to the gap.

    Chat Online
  • <?=$post[

    Down-the-Hole Water-Powered Hammer Drilling Method for ...

    Down-the-Hole Water-Powered Hammer Drilling Method for medium-deep Geothermal Energy Drilling By S. HOMUTH, W. HORNICH, H. KRENN, I. SASS and T. SPAHN*

    Chat Online
  • <?=$post[

    Technology - Wassara

    The heart in Wassaras water-powered drilling technology is the hammer. It's a Down-The-Hole hammer (DTH) and is connected directly to the drill bit. Wassara normally uses up to 300 litres per minute of clean water with a pressure of up to 180 bar.

    Chat Online
Contact us now