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Rock Reamers

Rock Reamers

No more redrills due to cutters backing off downhole.

The RockReamer™ is the most vertsatile, cost effective hole opener for HDD. The unique design minimizes on-site inventory, lowering cost.

The RockReamer™ cuts downtime as easily as it cuts rock.

No more downtime waiting on new tools/cutters when the need to push ream occurs. It pushes or pulls with the same body and cutters, and one body opens to six sizes.

Stronger than other hole openers.
Increased on-bottom rotating time, minimizes cutter cost and trip time.
Cutters and arms are easily changed in the field without torches and welders.


  • RockReamer Specs
  • Formation Removal Chart
  • How to Change Cutters


RockReamer™ Specs


BODY
BODY MIN. PILOT HOLE CONNECTION WEIGHT LENGTH
R4 4 1/2" 2 7/8" IF B X B 135 LBS. 42"
R6 6" 3 1/2" IF B X B 346 LBS. 52"
R6-20 20" 4 1/2" IF B X B 1565 LBS. 62"
R8 8 1/2" 4 1/2" IF B X B 730 LBS. 65"
R17 17 1/2" 7 5/8" REG B X B 1915 LBS. 65"
R26 26" 7 5/8" REG B X B 2669 LBS. 65"
R36 36" 7 5/8" REG B X B 2569 LBS. 65"
R42 42" 7 5/8" REG B X B 3290 LBS. 65"
R48 48" 7 5/8" REG B X B 3900 LBS. 65"

 

CUTTERS
BODY NO. OF CUTTER PILOT HOLE CONNECTION OPENING RANGE
R4 3 4 1/2" 2 7/8" IF B X B 8 1/2" 10" 12"      
BODY NO. OF CUTTER PILOT HOLE CONNECTION OPENING RANGE
aa bb cc dd ee  
R6 3 6" 3 1/2" IF B X B 12" 14" 16" 18" 20"  
R6-20 5 20" 4 1/2" IF B X B 24" 26" 28" 30" 32"  
BODY NO. OF CUTTER PILOT HOLE CONNECTION OPENING RANGE
A B C D E F
R8 3 8 1/2" 4 1/2" IF B X B 16" 18" 20" 22" 24" 26"
R17 3,4 17 1/2" 7 5/8" REG B X B 24" 26" 28" 30" 32" 34"
R26 3,5 26" 7 5/8" REG B X B 32" 34" 36" 38" 40" 42"
R36 3,5 36" 7 5/8" REG B X B 42" 44" 46" 48" 50" 52"
R42 4,5,7 42" 7 5/8" REG B X B 48" 50" 52" 54" 56" 58"
R48 4,5,7 48" 7 5/8" REG B X B 54" 56" 58" 60" 62" 64"

 

CUTTERS AND WEIGHTS
  R4 R6 A B C D E F
8-1/2" 10" 12" aa bb cc dd ee
MT 4 8 12 15 23 31 41 56 32 47 64 80 102 128
TCI 6 10 16 21 30 42 55 73 41 61 79 100 126 155
FRA 5 7 9 20 24 28 35 37 50 55 68 75 88 101




Formation Removal Chart

Use this chart to calculate the approximate cubic feet of material removed per foot drilled. To calculate the total cubic yards of material to be removed, multiply the cubic feet by the total footage and divide by 27.



Pilot Hole Diameter    62 60 58 56 54 52 50 48 46 44 42 40 38 36 34
0 20.97 19.64 18.36 17.11 15.91 14.75 13.64 12.57 11.55 10.56 9.63 8.73 7.88 7.07 6.31
4 20.88 19.55 18.27 17.02 15.82 14.66 13.55 12.48 11.46 10.47 9.54 8.64 7.79 6.98 6.22
6 20.77 19.44 18.16 16.91 15.71 14.55 13.44 12.37 11.35 10.36 9.43 8.53 7.68 6.87 6.11
8 20.62 19.29 18.01 16.76 15.56 14.40 13.29 12.22 11.20 10.21 9.28 8.38 7.53 6.72 5.96
10 20.42 19.09 17.81 16.56 15.36 14.20 13.09 12.02 11.00 10.01 9.08 8.18 7.33 6.52 5.76
12 20.18 18.85 17.57 16.32 15.12 13.96 12.85 11.78 10.76 9.77 8.84 7.94 7.09 6.28 5.52
14 19.90 18.57 17.29 16.04 14.84 13.68 12.57 11.50 10.48 9.49 8.56 7.66 6.81 6.00 5.24
16 19.57 18.24 16.96 15.71 14.51 13.35 12.24 11.17 10.15 9.16 8.23 7.33 6.48 5.67 4.91
18 19.20 17.87 16.59 15.34 14.14 12.98 11.87 10.80 9.78 8.79 7.88 6.69 6.11 5.30 5.54
20 18.79 17.46 16.18 14.93 13.73 12.57 11.46 10.36 9.37 8.38 7.45 6.55 5.70 4.89 4.13
22 18.33 17.00 15.72 14.47 13.27 12.11 11.00 9.93 8.91 7.92 6.99 6.09 5.24 4.43 3.67
24 17.83 16.50 15.22 13.97 12.77 11.61 10.50 9.43 8.41 7.42 6.49 5.59 4.74 3.93 3.17
26 17.28 15.95 14.67 13.42 12.22 11.06 9.95 8.88 7.86 6.87 5.94 5.04 4.19 3.38 2.62
28 16.69 15.36 14.08 12.83 11.63 10.47 9.36 8.29 7.27 6.28 5.35 4.45 3.60 2.79 2.03
30 16.06 14.73 13.45 12.20 11.00 9.84 8.73 7.66 6.64 5.65 4.72 3.82 2.97 2.18 1.40
32 15.38 14.05 12.77 11.52 10.32 9.16 8.05 6.98 5.96 4.97 4.04 3.14 2.29 1.48 0.72
34 14.66 13.31 12.05 10.80 9.60 8.44 7.33 6.26 5.24 4.25 3.32 2.42 1.57 0.76 34
36 13.90 12.57 11.29 10.04 8.84 7.68 6.53 5.50 4.48 3.49 2.56 1.66 0.81 36
38 13.09 11.76 10.48 9.23 8.03 6.87 5.76 4.69 3.67 2.68 1.75 0.85 38
40 12.24 10.91 9.63 8.38 7.18 6.02 4.91 3.84 2.82 1.83 0.90 40
42 11.34 10.01 8.73 7.48 6.28 5.12 4.01 2.94 1.92 0.93 42
44 10.41 9.08 7.80 6.55 5.35 4.19 3.08 2.01 0.99 44
46 9.42 8.09 6.81 5.56 4.36 3.20 2.09 1.02 46
48 8.40 7.07 5.79 4.54 3.34 2.18 1.07 48
50 7.33 6.00 4.72 3.47 2.27 1.11 50
52 6.22 4.89 3.61 2.36 1.16 52
54 5.06 3.73 2.45 1.20 54
56 3.86 2.53 1.25 56
58 2.61 1.28 58
60 1.33 60




Pilot Hole Diameter    32 30 28 26 24 22 20 18 16 14 12 10 8 6 4
0 5.59 4.91 4.28 3.69 3.14 2.64 2.18 1.77 1.40 1.07 0.79 0.55 0.35 0.20 0.09
4 5.50 4.82 4.19 3.60 3.05 2.55 2.09 1.68 1.31 0.98 0.70 0.46 0.26 0.11 4
6 5.39 4.71 4.08 3.49 2.94 2.44 1.98 1.52 1.20 0.87 0.56 0.35 0.15 6
8 5.24 4.56 3.93 3.34 2.79 2.29 1.83 1.42 1.05 0.72 0.44 0.20 8
10 5.04 4.36 3.73 3.14 2.59 2.09 1.63 1.22 0.85 0.52 0.24 10
12 4.80 4.12 3.49 2.90 2.35 1.85 1.39 0.98 0.61 0.28 12
14 4.52 3.84 3.21 2.62 2.07 1.57 1.11 0.70 0.33 14
16 4.19 3.51 2.88 2.29 1.74 1.24 0.78 0.37 16
18 3.82 3.14 2.51 1.92 1.37 0.87 0.37 18
20 3.41 2.73 2.10 1.51 0.96 0.46 20
22 2.64 2.27 1.64 1.05 0.50 22
24 2.45 1.77 1.14 0.55 24
26 1.90 1.22 0.59 26
28 1.31 0.63 28
30 0.68 30
32 32


 




How to Change Cutters



  1. Place the correct size cutter into the pocket.
  2. Slide the arm into place, securing the cutter.
  3. Tighted the three bolts according to chart. (see below)
  4. Tighten the lock screws according to chart. (see below)
  5. Repeat for each cutter.


SIZES ALLEN WRENCH TORQUE LOCK SCREW / TORQUE
R8 thru R-48 1" 2000-2500 ft/lb 5/8" / 400-500 ft/lb
R4 5/8" 400-500 ft/lb 5/16" / 40-60 ft/lb
R6 7/8" 1000-1200 ft/lb 3/8" / 100-150 ft/lb








 

 





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