BTS and ABTS–EM Comparative technical specifications

Parameter

BTS-172

ABTS-EM-172

Drilling type

Turbodrilling

(considered as rotary)

Rotary

Metric taped thread

MK156×5.5×1:32

MK150×6×1:8

-

Tool joint thread

Z-133

Z-147

Z-147

Length, m*

4.26

3.5

Magnetometer to nearest magnetic BHA part distance, mm

1800

1800*

4700*

Max permissible weight on bit, t

20

40

Maximum Dogleg Severity degrees per 10 m

Non-rotating

1.6

3.0

rotating

2.5

3.5

Maximum permissible rotation

Straight angle

60

100

Drift angle buildup

30

80

Torque, kN∙m

20

36

Permissible mud acidity, pH

7 < pH < 10

5 < pH < 11

Emitting rated current, A

15-17

30 (50)**

Emission power

100

200 (500)**

Mud rate, l/sec

28-54 (64)**

26-55 (64)**