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Oil rig Direct Drive Assembly
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LEWCO DIRECTDRIVE™ TOP DRIVES
www.letourneautechnologies.com/drilling
www.letourneautechnologies.com/drilling
High Torque Performance LEWCO DirectDrive™ Top Drives from LeTourneau Drilling Systems set higher standards for performance and reliability. The key to the LEWCO DirectDrive Top Drive is the LeTourneau patented gearbox free, AC electric motor direct-driven design, which eliminates associated gearbox problems. The result is a low maintenance, high performance, high reliability top drive designed for high torque drilling applications.
A Fully Integrated System
Available in 500, 750, and 1000 ton models, LEWCO DirectDrive™ Top Drives include the components necessary to improve drilling efficiency, performance, and reliability. The LEWCO DirectDrive system offers a high level of torque for increased drilling performance, while its redundant speed sensing capability provides for operational reliability. Built solid to meet demanding drilling applications, each LEWCO DirectDrive Top Drive is designed, manufactured, and tested to API 8C PSL1 standards.
• Counterbalance system
• Through-shaft design AC drilling motor from LeTourneau Power Systems
• Integral disc brake system
• Motor cooling system
• Hydraulic rotary head system with locking clamps
• Pipe handling system featuring 360º rotational capacity
• IBOP system
• Electrical / control service loop kit
• Derrick termination kit
• Top drive dolly
• Elevator links
LEWCO DIRECTDRIVE™ TOP DRIVES
The system includes:
A unique feature of the DirectDrive™ system is the through-shaft design AC drilling motor. Mud passes through an integrated stem module that remains completely separate from the motor.
www.letourneautechnologies.com/drilling
OEM AC Motors
All specifications are subject to change. Information important to a particular application should be verified by LeTourneau Drilling Systems.
* All torque data is based on the combined performance of LeTourneau Power Systems’ variable frequency drive and AC motor.
LEWCO DirectDrive™ Top Drive Specifications
Hoisting capacity 500 short tons 750 short tons 1000 short tons
Drilling capacity 500 short tons 750 short tons 750 short tons
42,500 ft-lbs 72,000 ft-lbs 94,000 ft-lbs
Continuous Torque; Continuous Torque; Continuous Torque;
0-115 rpm 0-116 rpm 0-112 rpm
80,000 ft-lbs 100,000 ft-lbs 130,000 ft-lbs
Intermittent Torque; Intermittent Torque; Intermittent Torque;
0-115 rpm 0-116 rpm 0-112 rpm
Continuous HP 930 from 115-240 rpm 1575 from 116-240 rpm 2075 from 112-240 rpm
Static brake capacity 35,000 ft-lbs 57,000 ft-lbs 65,000 ft-lbs
Pipe clamp capacity 80,000 ft-lbs 110,000 ft-lbs 110,000 ft-lbs
Mud passage @ 7500 psi 3 inches 4 inches 4 inches
15,000 psi 15,000 psi 15,000 psi
Hook weight 43,500 lbs 65,000 lbs 105,000 lbs
Stack-up height 23.8 ft 28 ft 31.3 ft
Width x depth 7 ft x 5 ft 8.2 ft x 5 ft 9.4 ft x 6.8 ft
IBOPs, remote-actuated upper & manual-actuated lower
Direct drive variableAC motor performance*
LEWCO DIRECTDRIVE™ TOP DRIVES
OILFIELD ELECTRIC MARINE
Able to deliver a significant amount of torque, OEM AC Motors are highly reliable. High density magnetic steel and windings put more “copper in the slot” to deliver peak performance.
Model DDTD-500 DDTD-750 DDTD-1000
LeTourneau Parts and Service+1 (832) 782 6742
[email protected]@letourneautechnologies.com
North AmericaLeTourneau Technologies Drilling Systems, Inc.
Houston (Headquarters)6401 W. Sam Houston Parkway NorthHouston, Texas 77041, USAPhone: 713 983 4700Fax: 713 983 [email protected]
Parts Sales11236 Brittmoore Park DriveHouston, Texas 77041, USA
Lafayette Office108 Galbert RoadLafayette, Louisiana 70506, USAPhone: 337 706 3000
AsiaLeTourneau Technologies Asia Pte. Ltd.45 Tuas View Close, Trade Link PlaceSingapore 637476Phone: 65 6863 1970Fax: 65 6862 [email protected]
South AmericaLeTourneau Technologies Comércio de Equipamentos Industriais do Brasil Ltda.Rua Dezenove de Fevereiro, 171 - BotafogoCEP 22280-030 - Rio de Janeiro – RJ, BrazilPhone: 55 21 3257 0000Fax: 55 21 3257 [email protected]
Middle East LeTourneau Technologies Middle East FZEP.O. Box #18456, RA-08, Blue Shed JA 05 & 06Jebel Ali, Dubai, U.A.E.Phone: 971 4 8880250Fax: 971 4 [email protected]
Australia LeTourneau Technologies Australia Pty. Ltd.35 Reid RoadPerth Airport, WA 6105Phone: 08 6272 5500Fax: 08 9277 [email protected]
SALES, PARTS, AND SERVICE LOCATIONS
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