Welcome to order our products |
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| Digital-controlled Frequency Drilling Rigs |
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 digit-controlled basic features
closed-loop digital-control over drawwork velocity
digit-controlled brake over energy consumption of drawwork
digit-controlled auto-bit feed with variable frequency and constant working pressure
closed-loop control over position of traveling block
limitation and regulation on torque of rotary table and working pressure of mud pump
displaying ,storing ,regulating ,printing and remote data transmitting of poly-parameter on touch screen
state-of-art structure design on integration hoist of mast substructure
integration of electric ,machanical ,,digital and communicatory systems
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Model |
HH-1300DVFD |
HH-1700DVFD |
HH-2600DVFD |
HH-2600DVFD-¢ò |
Nominal drilling depth ft. £¨ m £© |
8,200¡«13,120 |
11,480¡«16,400 |
14,760¡«22,960 |
16,400¡«26,250 |
(2,500¡«4,000) |
(3,500¡«5,000) |
(4,500¡«7,000) |
(5,000¡«8,000) |
Max hook load lb/kN |
500,000/2,250 |
700,000/3,150 |
1,000,000/4,500 |
1,210,000/5,460 |
Max. Static Load lb/ton |
622,000/310 |
850,000/430 |
1,210,000/600 |
1,210,000/600 |
Max. drilling string weight lb/kN |
317,200/1,440 |
396,500/1,800 |
550,700/2,500 |
600,000/2,720 |
wireline diameter in. |
1 1 / 4 " |
1 3 / 8 " |
1 1 / 2 " or 1 3 / 8 " |
1 1 / 2 " or 1 3 / 8 " |
Traveling system |
5¡Á6 |
6¡Á7 |
6¡Á7 |
6¡Á7 or 7¡Á8 (thread in order) |
(thread in order) |
(thread in order) |
(thread in order) |
Derrick effective height / type |
138¡ä/K |
148¡ä/K |
148¡ä/K |
152¡ä/K |
Drill floor height ft. |
25¡ä |
30¡ä |
30¡ä¡« 35¡ä |
30¡ä¡« 35¡ä |
drawwork rated input power hp. |
1,300 |
1,700 |
2,600 |
2,600 |
drawwork speeds |
1, stepless regulation |
1, stepless regulation |
1, stepless regulation |
1, stepless regulation |
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Rotary opening in. |
27 1 / 2 ¡ä |
27 1 / 2 ¡ä |
37 1 / 2 ¡ä |
37 1 / 2 ¡ä |
Mud pump rated input power/set |
1300hp¡Á2 |
1600hp¡Á2 |
1600hp¡Á2 |
1600hp¡Á2 |
Electric drive mode |
AC-VFD-AC |
AC-VFD-AC |
AC-VFD-AC |
AC-VFD-AC |
Total power hp. |
1600¡Á2+430 |
1600¡Á2+700 |
1600¡Á4+540 |
1600¡Á4+540 |
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