Reaming Shells

reaming shell

Overview

Reaming Shell Length:

Pilot shells are offered in a variety of lengths, depending on the specific needs of the job. Standardized offerings include standard, 10" and 18".

Gauge:

Gauge is available in the following sizes,

  • RSG
  • Midgauge
  • Oversize

Diamond Grade:

Reaming Shells are available in both, Standard (Natural) Diamond and Synthetic Diamond. We also offer shells with AA and AAA grade.

Available In All Standard Sizes

Length

The standard reaming shell length is as specified by the original core barrel designer. However, some operators prefer to provide more stability at the bottom of the hole, helping to control deviation. The first option would be the double ring extended shell, usually 10 ½” long.

In cases where deviation control is of paramount importance, successively longer shells with more cutting rings can be supplied. Three or more rings are routinely fitted on Pilot reaming shells, and it is in these products that expertise and experience play a critical role. Control of concentricity and straightness becomes increasingly challenging with every added ring, such that a poorly executed extended shell is actually counter-productive in controlling deviation. Pilot is the recognised world-wide leader in this specialised area.

Corresponding inner tube extensions are essential to use with all shell lengths beyond standard and these are all available from Pilot.

Diamond Grades

Pilot offers two families of reaming shell: natural diamond and synthetic diamond set. Both are surface set technology, but where the natural diamonds are individually set in an array, the much smaller synthetic crystals are randomly distributed on the surface to provide full coverage.

The natural diamond reaming shell is accepted as the superior tool for most conditions and is available in two types: standard and heavy duty. The heavy duty natural diamond set shell is the tool of choice for the most abrasive or broken formations.

The Econo, synthetic shell is often found to be adequate in competent formations as it shares the same matrix technology, manufacturing processes and basic design as its natural diamond counterpart. Econo shells are also an effective choice where an extended life is unnecessary. For more abrasive formations there is the option of the heavy duty version, which has abrasion resistant hardmetal strips along the length of the body.

Sizes

Reaming Shell Gauge Diameters:

Outside Diameter Outside Diameter CDDA Standards
Size in. mm. in. max/min mm. max/min
XRT 1.180 29.97 1.180
1.170
29.97
29.72
XRP 1.300 33.02 1.300
1.295
33.02
32.89
EXT 1.490 37.85 1.490
1.480
37.85
37.59
IEW/ IEW-S 1.490 37.85 1.490
1.480
37.85
37.59
TT-46/ LTK-46 1.835 46.61 1.835
1.825
46.61
46.36
A-W/L 1.895 48.13 1.895
1.885
48.13
47.88
A-TK 1.895 48.13 1.895
1.885
48.13
47.88
AXT 1.895 48.13 1.895
1.885
48.13
47.88
AW-34 1.900 48.26 1.900
1.890
48.26
48.01
JKT48/ LTK48 1.895 48.13 1.895
1.885
48.13
47.88
B-W/L 2.365 60.07 2.365
60.07
2.355
59.82
B-TK 2.365 60.07 2.365
60.07
2.355
59.82
BTW 2.365 60.07 2.365
60.07
2.355
59.82
BX 2.365 60.07 2.365
60.07
2.355
59.82
BW-44 2.375 60.33 2.375
2.365
60.33
60.07
N-W/L 2.985 75.82 2.985
2.975
75.82
75.57
N2-W/L 2.985 75.82 2.985
2.975
75.82
75.57
NX 2.985 75.82 2.985
2.975
75.82
75.57
H-W/L 3.912 99.36 3.912
3.902
99.36
99.11
HX 3.911 99.34 3.911
3.901
99.34
99.09
P-W/L 4.835 122.81 4.835
4.820
122.81
122.43

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Contact a Sales Rep

Can't find what your looking for or need something custom? Pilot's technicians have seen most problems before and can either recall a similar case along with its custom solution or even design a new tool in cooperation with the driller.

  • Phone: 1-705-497-3715
  • Toll Free: 1-877-480-7415
  • Fax: 1-705-497-3714
  • Email: [email protected]

Overview

Details

Reaming Shell Length:

Pilot shells are offered in a variety of lengths, depending on the specific needs of the job. Standardized offerings include standard, 10" and 18".

Gauge:

Gauge is available in the following sizes,

  • RSG
  • Midgauge
  • Oversize

Diamond Grade:

Reaming Shells are available in both, Standard (Natural) Diamond and Synthetic Diamond. We also offer shells with AA and AAA grade.

Available In All Standard Sizes

Length

Details

The standard reaming shell length is as specified by the original core barrel designer. However, some operators prefer to provide more stability at the bottom of the hole, helping to control deviation. The first option would be the double ring extended shell, usually 10 ½” long.

In cases where deviation control is of paramount importance, successively longer shells with more cutting rings can be supplied. Three or more rings are routinely fitted on Pilot reaming shells, and it is in these products that expertise and experience play a critical role. Control of concentricity and straightness becomes increasingly challenging with every added ring, such that a poorly executed extended shell is actually counter-productive in controlling deviation. Pilot is the recognised world-wide leader in this specialised area.

Corresponding inner tube extensions are essential to use with all shell lengths beyond standard and these are all available from Pilot.

Diamond Grade

Details

Pilot offers two families of reaming shell: natural diamond and synthetic diamond set. Both are surface set technology, but where the natural diamonds are individually set in an array, the much smaller synthetic crystals are randomly distributed on the surface to provide full coverage.

The natural diamond reaming shell is accepted as the superior tool for most conditions and is available in two types: standard and heavy duty. The heavy duty natural diamond set shell is the tool of choice for the most abrasive or broken formations.

The Econo, synthetic shell is often found to be adequate in competent formations as it shares the same matrix technology, manufacturing processes and basic design as its natural diamond counterpart. Econo shells are also an effective choice where an extended life is unnecessary. For more abrasive formations there is the option of the heavy duty version, which has abrasion resistant hardmetal strips along the length of the body.

Size Chart

Details

Reaming Shell Gauge Diameters:

Outside Diameter Outside Diameter CDDA Standards
Size in. mm. in. max/min mm. max/min
XRT 1.180 29.97 1.180
1.170
29.97
29.72
XRP 1.300 33.02 1.300
1.295
33.02
32.89
EXT 1.490 37.85 1.490
1.480
37.85
37.59
IEW/ IEW-S 1.490 37.85 1.490
1.480
37.85
37.59
TT-46/ LTK-46 1.835 46.61 1.835
1.825
46.61
46.36
A-W/L 1.895 48.13 1.895
1.885
48.13
47.88
A-TK 1.895 48.13 1.895
1.885
48.13
47.88
AXT 1.895 48.13 1.895
1.885
48.13
47.88
AW-34 1.900 48.26 1.900
1.890
48.26
48.01
JKT48/ LTK48 1.895 48.13 1.895
1.885
48.13
47.88
B-W/L 2.365 60.07 2.365
60.07
2.355
59.82
B-TK 2.365 60.07 2.365
60.07
2.355
59.82
BTW 2.365 60.07 2.365
60.07
2.355
59.82
BX 2.365 60.07 2.365
60.07
2.355
59.82
BW-44 2.375 60.33 2.375
2.365
60.33
60.07
N-W/L 2.985 75.82 2.985
2.975
75.82
75.57
N2-W/L 2.985 75.82 2.985
2.975
75.82
75.57
NX 2.985 75.82 2.985
2.975
75.82
75.57
H-W/L 3.912 99.36 3.912
3.902
99.36
99.11
HX 3.911 99.34 3.911
3.901
99.34
99.09
P-W/L 4.835 122.81 4.835
4.820
122.81
122.43

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