10,000
GE-752 DC
(Intermittent Duty)
9,000 8,000 7,000 6,000 5,000 GEB 20/22 AC
Motor Torque (Ft. Lbs.)
GEB-20/22 AC GE-752 DC Series GE-752 DC Shunt
4,000
3,000 2,000 1,000 0 0
Varco Top Drives
Year 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 DC 1 13 14 30 18 29 44 36 59 51 26 30 45 46 32 39 43 8 12 14 590 AC Total 1 13 14 30 18 29 44 36 59 51 26 31 45 57 57 63 68 20 30 47 739 %AC
In 2002 we are looking at 95%AC
1 11 25 24 25 12 18 33 149
3% 19% 44% 38% 37% 60% 60% 70%
(Thru Q3, 2001)
Varco Top Drives
PH-100 Pipehandler

100,000 Ft-Lbs Torque Capacity AC Motor Make-Up/Break-Out Torque Back-Up Clamp Powered Rotating Head Variable Position Link Tilt Singular or Dual IBOP Valves Remote Actuated Upper IBOP
Top Drives
TDS-4S (DC) 650/750/ 1000 Ton 1200 HP
650/750 Ton 1100 HP TDS-8S (AC)
Varco Top Drives
100 Year History Prime Movers for Drilling Equipment
AC Electric DC Electric Era Era
65,500 Ft-Lbs Continuous Torque 97,700 Ft-Lbs Intermittent Torque 0 - 350 RPM Drilling Speed (Continuous)
Quiet Helical Gear Set New Heavy Duty Pipehandler PH-100
Transmission Gear Case - Ref.
Upper IBOP (Remote) and Actuator
Lower IBOP (Manual) Torque Arrestor Frame
Link Tilt Assy.
Tool Joint Locks - 3
Torque Back-Up Clamp Assy. (Torque Wrench) 350 or 500 Ton Rated, 9 Ft (2,7 M) D.P.E. Links * Drill Pipe Elevator
© Varco International, Inc. - TDS-8SA - Version 2, October 1999.
Varco Top Drives
Hydraulically Powered D.P. Elevator Positioner 750 Ton Rated Link Adapter
Reduced Field500Fra bibliotek1000
1500
2000
2500
3000
3500
Motor RPM
Varco Top Drives
TDS-8SA Top Drive
650 - 1000 Ton API Rated System Integrated Swivel & Counterbalance 1,210 HP AC Drilling Motor GEB-20
PH-100
Pipehandler
© Varco International, Inc. - TDS-8SA - Version 2, October 1999.
*
750 Ton 132 in (3,4 M) D.P.E. Links may be used only for Handling Casing.
Drill Pipe Torque
70000
60000
50000 40000 30000 20000 10000 0 0 50 100 150 200 250 300
Intermittent Duty
Drill Pipe RPM
Motor Performance
GE-752 DC Shunt/Series Vs.GEB-20 AC
100,000 Ft-Lbs Torque Capacity 50 or 500 Ton API Elevator Links 15,000 Psi CWP IBOP’s Rating Pressure
© Varco International, Inc. - TDS-8SA - Version 2, October 1999.
Mechanical Era
1900
1910
1920
1930
1940
1950
1960
1970
1980
1990
2000
2010
Varco Top Drives
100000 90000 80000
Top Drive Performance TDS-4S Vs. TDS-8-S
Continuous Duty