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Heavy wall drill pipe (TBT)

 

tbt.jpg

The item is designed to generate axial load to the rock destruction tools, to increase strength, stability of the drill strings and to transfer torque from the rotors when drilling difficult horizontal wells. The pipes are manufactured from allow steels with heat treatment throughout the full length. The products are intended for operation in frigid and moderate macroclimatic areas as per GOST 15150 at temperature from - 40 to +40 °С.

Technical performances
Normative documents  Technical Specifications TU 1324-236-07500243-2006, API Spec 7-1
Length, mm 8 300... 9 450
TBT types I – with one central thickened part;          
II – with two central thickened parts; 
III – with central thickened part and spiral wall;
К – tapered (18°) shoulders;
П – right (90°) shoulders;
Т – mastered technology of hard-facing reinforcement.

Manufacture of pipes with drill pipe thread connections of Premium - TMK TDS rate has the certificate issued by TMK-Premium Servis LLC.

ТМК TDS connections for the drill strings are made as the tool joint ensured by alignment of internal bearing faces. They are applicable for operation in difficult geological conditions of well construction when drilling requires increased torques. Connections allow performing assembly with standard tool joints made in accordance with the GOST R 50864 and API Spec 7-2.

ADVANTAGES OF ТМК TDS CONNECTIONS: 

  • Improved reliability of the drill pipes in difficult operation conditions due to special design.
  • Contribution to faultless operation during drilling lateral holes, deviated and directional wells, and horizontal.

Pape Designation Outer Ø Internal Ø Ø Box and pin upsets Tool Joint Thread
mm inch mmм mm inch GOST 
Р50864
API Spec 7-2

TBT-89

89,9

3 1/2

50,8

2

105

4 1/7

З-86

NC31

52,4

2  1/16

108

4 1/4

2 1/4

120,7

4 3/4

3-102

NC38

57,2

123,8

4 7/8

127

5   

TBT-102

101,6

4

57,2

133,4

5 1/4

3-108

NC40

63,5

2 1/2

65,1

2 9/16

TBT-114

114,3

4 1/2

68,3

2 11/16

158,8

6 1/4

3-122

NC46

69,9

2 3/4

71,4

2 13/16

TBT-127

127

5

76,2

3

165,1

6 1/2

3-133

NC 50

88,9

3 1/2

168,3

6 5/8

TBT-140

139,7

5 1/2

80,2

3 1/6

177,8

7   

3-147

5 1/2 FH

82,6

3 1/4

85,7

3 3/8

184,3

7 1/4

92,1

3 5/8

98,4

3 7/8

190,7

7 1/2

101,6

4

TBT-168

168,3

6 5/8

101,6

203,2

8   

3-171

6 5/8 FH

114,3

4 1/2

209,6

8 1/4

127

5

215,9

8 1/2

* Other size and thread combinations are possible.

Catalogue Oilfield and drilling equipment download.


 


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