Drilling

Mineral Exploration Corporation Limited (MECL) the premier exploration agency, has the largest fleet of drills in the country. It offers various types of services in drilling 

 
   
DRILLING FOR COAL BED METHANE EXPLORATION  

MECL is having expertise to take up Coal Bed Methane (CBM) exploration. It is equipped with rig and pump to take up CBM exploratory drilling upto 2000 m. The rigs are Longyear Hydrostatic

  • LONGYEAR make hydrostatic rig is capable of taking up diamond core drilling upto 1200 m. in NQ size.  Hook Load Capacity - 11T 

  • KORES WA III C & H : It is a top head drive hydrostatic rig and can take up diamond core drilling upto 2000 m. in NQ size 400K Load Capacity - 37500 lpm.
  • MECL has drilled 1400 m. deep borehole in Jharia coal field
REVERSE CIRCULATION DRILLING  
For collection of uncontaminated core sample reserve circulation drilling method is used. MECL is equipped with Rig and high capacity compressor, accessories to drill bore hole upto 100 m.
Hook load capacity  - 8 T in single in
   
VACCUM SUCTION DRILLING  
MECL is equipped with vaccum suction tractor mounted rig. This machine is suitable for bauxite drilling in dry area. Rig gives drilling with 100% core sample  
   
LARGE DIAMETER DRILLING  
MECL is equipped to take up large diameter ( up to 8" diameter) to a depth of 450-500 m.
MECL is having following rig
 i)LMP-DR-1500-Hook load - 18T
 ii)LMP-DR-2500-Hook load - 27T
 iii)Kores failing-Hook load - 18T  iv)JVM : DR-2500
   
HYDRO-GEOLOGICAL STUDIES  
MECL is equipped with Mobile-Augur Drill suitable for Hydro geological studies. It can drill and take sample of 4.5" to 5" dia upto a depth of 75 mts. Hook load capacity is 2.7T
   

Controlled drilling and grouting for restoration of archeological monuments .
Controlled drilling and grouting for dam sites, tunnels and other civil engineering projects
.

 
   
DRILLING MACHINES  
  • Hydrostatic Drills
  • Top Head Drive/ Spindle Drive
  • State-of-Art Drills
  • Reverse Circulation Drill/ Vacuum Suction drill
  • Drill Geo-technical Mobile Drill
  • Blast Hole Drill Diamond Core Drill With Wire Line Facility Rotary Drills
  • Other Drills
 
   
Hydrostatic Drill-Longyear hydro 44  
  • The drill unit is hydraulically operated truck mounted
  • Adequate horse power 1800 rpm torbocharged diesel engine to carry out smooth drilling operation.
  • Power pack assembly for transfer of power to various units.
  • The wireline hoist is powered by a hydraulic pump mounted on main drills power pack.
  • Mud pump is mounted on truck with capacity 140 LPM at 53 kg/cm2 pressure suitable for handling heavy mud circulating fluid upto a depth of 1200 mtrs. With a finishing hole sixe (96 mm) HQ diameter. The pump is driven by hydraulic system.
 
   
Hydrostatic Drill-Kores Acker Model WA -III C:  
  • It is top drive hydraulic diamond core drill having capacity to drill NQ ( 76 mm ) size borehole upto 1280 mtrs. And HQ ( 96 mm) size borehole upto 860 mtrs.
  • Hydraulic motor driver , hoist drum assembly located on the mast to facilitate angle hole drilling.
  • Unit is having a hydraulically driven wireline hoist provided with full safe brake feature.
  • The drill unit is capable of drilling angle hole upto 40 degrees from vertical.
  • Kores failing FM-45 Duplex double acting reciprocating high pressure mud pump of 284 lpm and pressure of 63 kg./cm2 is attached.
  • The mud pump is driven hydraulically by the same prime mover which drives the drill.
  • Hydraulic brakeout system is available for handling pipes, rods and casings and to facilitate braking of rod joints hydraulically.
 
   
Vol Drill - 400  
  • It is skid mounted Heavy duty Hydrostatic Drive Diamond core drill. It can drill upto 914 mtrs. Depth borehole of size NQ ( 76 mm. ) in single line.
  • The hoist drum is operated through heavy duty hydraulic motor as well as hydraulic motor driven wire line hoist assembly unit with an emergency brake arrangement.
  • Triplex Mud Pump, high pressure reciprocating pump is attached with the unit. The pump capacity is 170 lpm and delivers a maximum pressure of 52.80 kg/cm2 . The entire unit is comprises of 3 skid mounted units for care of transportation to suitable location/placement of drill site. - One skid motor unit comprising diesel prime mover and hydraulic power pack. - Second unit comprising hydraulically driven drill unit - Third mounted unit comprising hydraulically driven triplex pump.
 
   
Vacuum Suction Drill  
  • It is tractor mounted rig and it is useful to drill boreholes upto the depth of 35 mtrs. In dry area. The rig is most suitable for bauxite drilling exploration.
  • As the unit is tractor mounted and hence accessibility to borehole points in hilly & difficult terrain is possible.
  • The drilling method provides correct 100% samples in powder form & hence suitable for direct chemical analysis of the samples.
 
   
Kores Model WA-III C & H  
  • Top drive hydrawlic diamond core drill capacity to drill NQ (76 mm) Size Borehole upto 2000 mtrs. and HQ (96 mm) Size Borehole upto 1350 mtrs.
  • Drill is capable of drilling angle hole upto 45 degree  from vertical.
  • Drill is fitted with two hydrawlically drivers triplex pump with displacement of 200 lpm ( used as mud pump)
 


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