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A very reliable Rig that delivers deep coring capabilities but has a small environmental footprint in remote locations.
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[av_fullscreen_slide slide_type=’image’ id=’3504′ attachment=’,’ position=’center center’ video=” mobile_image=” video_cover=” title=’Hanjin Power 6000SCDB Drill Rig’ caption_pos=’caption_right caption_right_framed caption_framed’ link_apply=’image’ link=’page,3183′ link_target=” button_label=” button_color=’light’ link1=’manually,http://’ link_target1=” button_label2=” button_color2=’light’ link2=’manually,http://’ link_target2=” video_controls=” video_mute=” video_loop=” video_autoplay=”]
This Rig is very mobile in difficult terrain and can be used for Grade control and RC holes up to 200mt +
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This multi purpose Rig provides the flexibility to quickly change from Deep coring to RC drilling.
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Thor drill rigs are proven as a robust, rugged and extremely reliable rigs.
Very versatile Rig, from Grade control to Deep RC holes up to 350mt.
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The HCR-1500ED-II with a short mast using 3.6mt rods.
These rigs are ideally suited for Civil and contour drilling as well as Blast Hole and angled wall control.
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The DCR 20 down hole hammer blast hole drill is ideally suited for larger diameter and deeper blast holes when required, bit diameter 102mm to 165mm.
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The Prakla RB-40 Universal Rotary is suited for a multitude of drilling applications with bore hole diameters of 4″ (108 mm) to 40″ (1016 mm) and drilling depths up to 700 m.
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SP4500S is capable of both wireline and conventional coring, as well as DTH, rotary drilling methods with pullback capacity of 10 ton and a torque can be increased.
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The CSD 500C man-portable drill rig is specially designed for diamond drilling in poor-access locations.
The robust structure and precise control system ensures a high penetration rate and outstanding reliability.
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Parts Sentra Indomandiri has a continual interest in supplementing its staff through the additional of highly qualified, motivated professionals of the highest integrity.
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Our Spare Parts stores are fully equipped to provide the full range of spare parts to support all our sites in addition to the on site stores.
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Our workshop provides component rebuild services and full machine shop services to support all our sites.
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PT Parts Sentra Indomandiri is based in Balikpapan, East Kalimantan and supplies Drilling Services and Support to the Mining and Mineral Exploration companies in Indonesia. Working under the name PSI Drilling Services and Support the company continues to supply a full range of drilling and exploration services – from man portable exploration – Diamond Drilling – Reverse Circulation Drilling – Waterbore Drilling – Grade Control Drilling and Blasthole Drilling.

PSI Drilling has the ability to supply a one stop service through the utilization of a modern fleet of Drilling equipment consisting of 50 Drill.

PSI Drilling have a well earned reputation in the industry to deliver where other drill companies have struggled because we have the experience, expertise, qualified staff, equipment, processes, financial stability and support structures in place to maintain consistency and continuity of drilling operations 24hours a day for 365 days of the year.

Rigs and additional support equipment operating in all sites and commitment is guaranteed.

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[av_iconlist_item title=’Reverse Circulation’ link=’page,3173′ linktarget=” linkelement=” icon=’ue889′ font=’entypo-fontello’]

Reverse Circulation (RC) drilling utilizes a drill bit that features protruding tungsten-carbide buttons to cut through rock, clay and earth. The drill rods themselves are of a dual wall design.
A downhole hammer delivers rapid impacts via a reciprocating piston, transferring this energy through the drill bit. This concussive force hammers the bit into the rock, pulverising it, whilst rotating the drill rods ensure that the drill bit hits new sections of rock with each impact. Inside the drill bit, an inner tube is used to achieve circulation, with compressed air being injected between the tubes to flush the sample from the hole and up through the inner tube to the surface.
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Diamond coring utilizes a core bit with artificial diamonds set into a crown matrix of differing hardness’s and drilling fluid as a medium to cut a core sample. The core sample is then retrieved via a wireline system. The differing matrix hardness is required for different rock types. Core sample is the best representative sample available for geologists to study.

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Mud rotary drilling utilises drilling fluid as a drilling medium along with a rotary drill bit to drill through soft formations. Sampling is via cuttings flushed up the annulus of the hole by the drill fluid that is pumped through the drill rods.

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Geotechnical sampling is usually undertaken in or around pits within a mining environment. It generally comprises using a triple tube core barrel which provides the closest sample to “in situ” formation available.

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Geotechnical testing is undertaken in a lab where samples obtained using geotechnical sampling methods are put through a variety of tests as dictated by geology personnel.

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Rotary air blast or RAB drilling is often used as a first pass, shallow drilling in a program due to the speed and relatively inexpensive cost. It generally utilizes a smaller rig with a smaller onboard compressor to drill through softer formations. Sample is via cuttings flushed with air up the holes annulus.

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Coal bed methane or CBM drilling can either refer to coring (for sample testing) or to mud rotary for production purposes. CBM drilling generally requires some form of mechanical well control as well as a regulated drilling fluid program to be employed whilst drilling is undertaken.

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Water wells can be drilled using either air or drilling fluids as a flushing medium to remove cuttings from the hole via the annulus. It also involves the setting of casing and casing screens to help protect the installed water pump from outside rocks or other debris that could damage the pump.

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Geothermal drilling is usually undertaken when down hole temperatures are required for various reasons, be it power generation through a steam turbine, temperature data for mine planning or heating for domestic and commercial purposes.

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Pit wall dewatering generally utilizes air drilling to drill shallow angled drain holes (weep holes) to relieve ground water pressure on pit walls to help alleviate instability issues.

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Shallow oil drilling is usually classified as any oil well of less than 1000 meters target depth. It can utilize either mud rotary or air drilling methods for construction.

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Geologists play a vital role in any drilling program, as their direction is required to predetermine drill targets, examine samples and for reporting purposes. We can provide geologists for any required programs.

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