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Drilling tools

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Premium drill pipes
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Reverse circulation roller bits
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Underreamer "ADT" model
Flight augers and accessories
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Hoisting plug
Float valves
Fishing tools
"Premium" casing pipes
Coring tools ( core barrels , core bits )
Plastic core boxes
Drilling mud control system
Demountable storage tanks
Foam pump
Piling equipment

Supply company

Environment division


Custom built

 

Coring tools


Single tube core barrel
Double tube "T2" core barrel
Double tube "T6" core barrel
Double tube "T6-S" core barrel
Double tube "DENISON" core barrel
Thin wall "SHELBY" type sampler
Standard penetration test
"SPT" split sampler
Tungsten carbide bits
Diamond core bits

 

Single tube core barrel


SINGLE TUBE CORE BARREL

HOLE Ø mm.

36

46

56

66

76

86

101

116

131

146

CORE Ø mm.

22

32

42

52

62

72

83

96

109

120

ROD CONNECTION

34

44

50

50

50

50
2 3/8 API Reg.

with sediment tube
standard length 1500 mm - 3000 mm

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Double tube "T2" core barrell


DOUBLE TUBE "T2" CORE BARREL

HOLE Ø mm.

36

46

56

66

76

86

101

CORE Ø mm.

22

32

42

52

62

72

84

ROD CONNECTION

33,5

42

50

50

50

50

NWY 2 3/8 API R.

standard length 1500 mm - 3000 mm

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Double tube "T6" core barrel


DOUBLE TUBE "T6" CORE BARREL

HOLE Ø mm.

101

116

131

146

CORE Ø mm.

79

93

108

123

ROD CONNECTION

NWY

NWY

NWY

NWY

coring barrel

standard length 1500 mm - 3000 mm

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Double tube "T6-S" core barrel


DOUBLE TUBE "T6-S" CORE BARREL

HOLE Ø mm.

101

116

131

146

CORE Ø mm.

72

86

101

116

ROD CONNECTION

NWY

NWY

NWY

NWY

core barrel

Split inner tube
standard length 1500 mm

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Double tube "DENISON" core barrel


DOUBLE TUBE "DENISON" CORE BARREL

HOLE Ø mm.

101

116

131

146

CORE Ø mm.

72

86

101

116

ROD CONNECTION

NWY

NWY

NWY

NWY

standard length 1500 mm - 3000 mm

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Thin wall "SHELBY" type sampler


THIN WALL "SHELBY" TYPE SAMPLER

OUTER Ø mm.

101,6

100

88,9

83

THICKNESS mm.

2

1,5

2

1,5

ROD CONNECTION mm.

50

50

50

50

TOTAL LENGTH mm.

902

880

973

880

WEIGHT Kg.

10,8

10,8

9,0

8,6

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Standard penetration test


STANDARD PENETRATION TEST

ITEM

PART NAME

 

DROP HAMMER Kg. 118

1

HAMMER

2

TOOTH

3

ANVIL

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"SPT" split sampler


"SPT" SPLIT SAMPLER

ITEM

PART NAME

ROD CONN.

WGT Kg.

1

SHOE

0,4

2

POINT

0,8

3

HEAD

50

0,9

4

SPLIT TUBE

5,0

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Tungsten carbide bits


SINGLE TUBE CORE BARREL

HOLE mm.

46

56

66

76

86

101

116

131

146

coring bit

CORE mm.

32

42

52

62

72

83

96

109

120


DOUBLE TUBE CORE BARREL T2

HOLE mm.

46

56

66

76

86

101

core bit

CORE mm.

32

42

52

62

72

84


DOUBLE TUBE CORE BARREL T6

HOLE mm.

76

86

101

116

131

146

core bits

CORE mm.

57

67

89

93

108

123


DOUBLE TUBE CORE BARREL T6-S

HOLE mm.

76

86

101

116

131

146

coring bits

CORE mm.

48

58

72

86

101

116


DOUBLE TUBE CORE BARREL DENISON "L"

HOLE mm.

86

101

116

CORE mm.

60

71

78

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Diamond core bits

diamond core bits

DIAMOND IMPREGNATED CORE BITS

Impregnated bits present a metallic layer, impregnated of diamonds on its cutting face. Fine diamonds are mixed with a metallic powder, called matrix, which is then subject to thermal treatment assuring the metallurgic bond of the matrix on the metal part of the bit.

P
Flat profile

A
Rounded profile

W
W Profile

C
Tapered profile

Standard profile for thin wall bits (B/D/T2 Series). For very hard and fractured formation. High RPM is required.

Suitable profile for very hard and fractured formation. The rounded profile has reinforced cutting edges. High RPM is required.

Standard profile bits with thicker walls (T6/K/DCDMA/BS/Wire-Line). Very good rate of penetration in very hard and compact formations.

Recommended profile for non-homogeneus formation, such as conglomerates, gravels, chalk or phosphate with cherts.



DIAMOND SURFACE SET CORE BITS

Although not as versatile as impregnated bits, the surface set bit has specific applications in soft to medium hard formation. The surface set bit, as its name implies, is manufactured with diamonds individually set on the matrix. The mold is then subject to a thermal treatment assuring the metallurgic bond of the matrix on the metal part of the bit.

A
Rounded profile

G
Stepped profile

P
Parabolic profile

This profile is the most frequently used. The radius is slightly bigger than the half wall thickness of the bit.

This profile gives good rates of penetration, but is not appropriate in fractured formations. It is normally used with a wire-line core barrel.

This profile is a good alternative to the rounded profile, because it gives excellent penetration rates. Furthermore, it is more resistant than the stepped profile in fractured formations.

Also available:

  • diamond reaming shells;
  • diamond casing shoes;
  • diamond drilling bits.

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