Load 350 Ton Top Drive System (TDS) with 800kw Power and VFD Control for 5000 M Well Drilling

• Customization: Available
• After-sales Service: 3 Year
• Warranty: 1 Year
• Model NO.: DQ50-BQ
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Technical Document 1: Working Test Report
• Technical Document 2: Quality Certiifcate
• Operation Training: Provide for Free
• Spare Parts Kit: Shipped Together
• Special Design: Agreement with Clients
• After Sale Service: Dedicated Team
• Transport Package: Skid +Container
• Specification: 350T
• Trademark: VSP
• Origin: China
• HS Code: 8431431000
• Production Capacity: 120 Sets/Yesr
• Package Size: 600.00cm * 220.00cm * 220.00cm
• Package Gross Weight: 15000.000kg

Product Description

The top drive system represents a groundbreaking advancement in drilling technology. It harnesses the power of a suspended motor, typically electric or hydraulic, to deliver the crucial torque essential for rotating the drill string. This innovative system supersedes the traditional rotary table and kelly drive approaches, presenting a myriad of benefits. Among these are enhanced drilling efficiency, a significant reduction in manual labor, and markedly improved safety standards, making it an indispensable tool in modern drilling operations.

Introducing the VSP's latest marvel, the DQ50-BQ, a top drive system that has undergone meticulous enhancements across numerous components. Building upon the foundation of traditional systems, this state-of-the-art device boasts a competitive edge. It is ingeniously designed to offer a smaller footprint paired with greater torque and exceptional working efficiency, ensuring it stands out in the market.

1. 1. Typical Parameter

Items	Data	(British System)
Nominal drilling depth (114mm drill pipe)	5000m
Rated Load capacity	3150 KN	350 ton
Working height (3.3m elevator link)	6600mm	21.56 ft
Rated continuous output torque	70 KN.m	4792.2 lb.ft
Max. Torque of breakout	100 KN.m	6846 lb.ft
Static maximum brake torque	70 KN.m	4792.2 lb.ft
Speed range of main shaft (stepless adjustable)	0~220 r/min
Drill pipe range of back-up tong clamping	85-220mm
Max bore hole of back up tong	200 mm	7.87 in
Mud circulation	64 mm	2.5 in
Rated pressure of the mud circulation	35/52 MPa	5000/7500 Psi
Rotation angle of rotating head	0-360°
Speed of rotating head	2~5r/min
Max.tilt angle of elevator link	Forward 30°, backward 55°
IBOP(double ball valves )	Φ187  6-5/8 REG  70MPa
Saver Sub ( standard )	Φ187  6-5/8 REG  NC50
Working Pressure of hydraulic system	0~14Mpa	0~2280 Psi
Voltage of EX solenoid valves	24 VDC
Rated Power of Main motor	800 KW	1073 HP
Rated Speed of Main motor	1200 r/min
Rated Torque of Main motor	2308 N·m	1702.29 lb.ft
Rated Voltage of Main motor	600 VAC
Rated frequency of Main motor	61 Hz
Rated current of Main motor	365 A
Max. speed of Main motor	2400 r/min
Electricity of VFD room	600 VAC/50Hz
Suitable ambient temperature	-45ºC~55ºC
Altitude	≤1,200 m	≤3,937ft
Distance between center of main shaft and center of guide rail	532.5mm	1.747ft
Incoming wire voltage of VFD room	575~625 VAC
Incoming wire frequency of VFD room	47~53 Hz

1. 1. Outline dimension and weight

Items	Data
Weight of Main body	12t
Weight of Main body (include transportation frame and one section of guide rail)	15 t
Length of guide rail ( standard 5 sections)	3900mm+4000mm*4+4868mm=24768mm
Weight of guide rail	5t
Weight of VFD room	9.2t
Dimension of VFD Room	5900mm*1740mm*1615mm
Dimension of driller console	870 mm×350 mm×300 mm
Weight of driller console	30kg

Mechanical SystemMechanical System

The mechanical system is an intricate assembly comprising the main motor system, air cooling system, brake system, gear box, wash pipe assembly, rotating head mechanism, tilt mechanism, back-up tong mechanism, internal blowout prevention mechanism (IBOP), guide rail and carriage mechanism, container, among others. Each component is engineered for optimized performance and reliability.
The top drive's power is derived from an advanced AC frequency conversion asynchronous motor, facilitating seamless AC frequency conversion drive for peak efficiency and performance.

1. 1. 1. Main Motor and Air Cooling System

The core of the system is a bespoke single top drive AC frequency conversion asynchronous motor, boasting an impressive power rating of 290KW. Key technical specifications are as follows:
Rated Voltage 600VAC
Rated Frequency 61Hz
Rated Current 365A
This robust main motor is equipped with a heater and an explosion-proof wind pressure switch, ensuring durability and safety.
Designed with a forced air-cooling mode, the main motor guarantees optimal thermal management for sustained performance.
The air-cooling motor operates at voltage 380VAC / 50Hz, with a power output of 4kW, insulation grade F, protection grade IP55, and is explosion-proof rated. The motor complies with level ExdIICT4 standards, offering wind capacity no less than 70 m3/min and air pressure of 203mm water column, underscoring its superior design.

1. 1. 1. Brake System

The top drive's main motor is complemented by a precision-engineered hydraulic disc brake device. This specialized system aids in the precise orientation of the drill string during directional inclined drilling operations.
The disc brake system, strategically installed at the motor shaft's upper extension end, utilizes high-quality Swedish DELLNER cylinders. These are interconnected by a durable, specially engineered hard pipeline. As the main motor's speed decelerates to 3rpm, the brake cylinder's friction forces engage the brake disc, effectively realizing the motor's braking function.

1. 1. 1. Gear Box

To amplify the output torque of the top drive motor while minimizing its volume and enhancing performance, the system includes a robust gear box.
The gear box features involute hard tooth surface gear with a secondary bevel gear, ensuring a stable transmission and a transmission ratio of 11.91:1. Lubrication is meticulously managed through a combination of splash lubrication and forced lubrication via an oil pump circulation system.

1. 1. 1. Gooseneck Assembly

The gooseneck is expertly crafted for well logging, incorporating corrosion-resistant liners and nuts to effectively seal the upper high-pressure mud pipeline, thereby mitigating mud overflow during drilling.
One end of this specialized gooseneck connects seamlessly with the wash pipe assembly, engineered with a super high-pressure structure. This assembly plays a crucial role in sealing high-pressure mud, featuring a self-sealing and rapid disassembly structure for enhanced efficiency. For ease of maintenance, the design allows operators to simply open the cover of the upper and lower packing to remove the entire device without necessitating the removal of the gooseneck. or the mud hose, ensuring minimal disruption. This feature allows for efficient drilling stoppages to replace components at any stage during the drilling process, ensuring uninterrupted operations.
The opposite end of the gooseneck is elegantly and securely connected to the mud hose, utilizing a robust 4-inch female connection. This connection features the highly reliable Fig1003 thread type, ensuring optimal compatibility and performance.
A sophisticated mud prevention device is strategically positioned at the interface between the main shaft and the wash pipe, effectively addressing the demands of site operation.

1. 1. 1. Rotating Head

The rotating head system, ingeniously designed to rotate independently from the main shaft, features elevator links that are expertly suspended on the link adaptor. This design optimizes the balance and efficiency of the operation.
Employing a state-of-the-art worm gear transmission structure, it ensures smooth and seamless driving dynamics.
The rotating head is engineered to rotate both clockwise and counterclockwise in a full 360° scope, a marvel of engineering. In tandem, it facilitates the cohesive rotation of the elevator link and elevator, enabling precise grasping of the single pipe in the mouse hole and the triple stem on the monkey board. This functionality underscores the system's versatility and adaptability across diverse applications.
Harnessing the power of a cutting-edge hydraulic motor system, the rotation is driven by the premium Danfoss cycloid motor, offering a refined speed range of 2 to 5 r/min.

1. 1. 1. Tilt System

The dynamic tilt cylinder masterfully drives the elevator link to swing, achieving a seamless tilt forward and backward motion. During drilling, this backward tilt function ingeniously aligns the lower end surface of the backup tong to the drilling platform, optimizing the use of the drilling tool.
The tilt range is intelligently tailored to the elevator link's length, with a forward angle of 30 degrees and a backward tilt angle of 55 degrees, both of which are adjustable to meet specific operational needs.
Note: For additional configurations of varying link lengths, kindly engage our sales team for personalized assistance.
The hydraulic system is adeptly configured to include a 'middle' setting within the tilt mechanism, allowing the elevator link to return to a free swing state, thus preventing undue pressure on the tilt cylinder and the hydraulic system.

1. 1. 1. Counterbalance System

Integral to the top drive system, the suspension bail counterbalance design connects through a pin shaft to the gearbox, hanging from the hook or traveling block to effectively balance the system's weight. The VSP top drive's innovative dual hydraulic cylinder with internal force balance mode offers unmatched safety and reliability, eliminating the need for auxiliary devices.

1. 1. 1. Back Up Tong Assembly

An L-type back up tong assembly is included, featuring a powerful motor and cylinder mechanism to adeptly clamp, release, makeup, and breakout operations. This functionality facilitates seamless connection and removal of the saver sub without requiring tong body disassembly. This thoughtful design streamlines the drilling operation. Complemented by a comprehensive pipe handling system, formed with the tilt mechanism and rotating head, it significantly boosts the efficiency of makeup and breakout operations, while minimizing worker fatigue and enhancing safety.
It supports an applied drill pipe range of 85-187mm, offering extensive operational flexibility.

1. 1. 1. Internal Blow Out Preventer (IBOP)

The IBOP is crafted as an integrated structure. It features a sophisticated manual and remote control double ball valve system. Key technical specifications include:
Working Pressure Rated at an impressive 70MPa, delivering robust performance.
Thread Type Specifications: 6-5/8"API REG × 6-5/8"API REG, offering impeccable threading compatibility.
O.D. Features a diameter of Φ187mm, ensuring substantial operational capacity.
I.D. Boasts an internal diameter of 3", accommodating various operational needs with precision.
The actuator of the remote control IBOP is skilfully crafted, featuring a pair of hydraulic cylinders, an IBOP sliding sleeve, and precision gears. This innovative connection type between the cylinder and the sliding sleeve incorporates a roller-touch mechanism, ensuring seamless axial movement of the sleeve in perfect harmony with the rotation of the main shaft, while also allowing the drive wrench to elegantly facilitate the opening and closing of the manual IBOP.
This sophisticated function enables the IBOP to be swiftly closed in the event of a well kick or blow-out, thereby ensuring superior well control safety and security.
The IBOP sliding sleeve is ingeniously driven by a gear rack and cam gear system, enhancing its reliability.

1. 1. 1. Guide Rail and Carriage

The system features a cutting-edge folding guide rail assembly, composed of multiple guide rail sections, connections, a crown block support, and an adjustment beam assembly, along with essential installation accessories.
Thanks to its folding type design, the site installation process is remarkably fast and effortless.
The friction mechanism between the carriage and the guide rail utilizes a robust pulley structure.
The pulley employs a double-sided cam follower design, ensuring even roller stress distribution and extending its life span.

1. 1. 1. Container

For effortless transportation, two open-top containers are provided, one housing the top drive body while the other accommodates the guide rail and cable assembly,

Electrical Control System

The top drive's electrical control system is a marvel of engineering, comprising a main control system, an electrical control room, a driller's console, a power cable, auxiliary and composite control cables, power supply cables, as well as driller's console cables, grounding cables, and more complex electrical pathways.
The top drive features an advanced AC asynchronous induction motor to provide robust drilling power, adopting an AC frequency conversion drive mode.

1. 1. 1. Main Control System

The sophisticated electrical control system includes the top-notch ABB ACS880 AC frequency conversion speed regulating device, a state-of-the-art programmable logic controller (PLC), and an auxiliary control unit, offering impeccable self-diagnosis, protection, and anti-harmonic interference functions, to flawlessly execute all electrical control functions during top drive operation.
The system employs the Simatic S7-1500 series PLC from Siemens, managed via the ProfiBus-DP bus, to adeptly handle system operating parameter settings and perform thorough hardware and software status detection.
The integration of the main control system and driller console through the ProfiBus bus ensures exceptional anti-interference capability, precise and reliable control, and is designed for user-friendly on-site use, installation, debugging, and maintenance.
The auxiliary control unit, sharing its cabinet space with the PLC, utilizes premium Siemens electrical components.
An IPC system is meticulously configured to display comprehensive top drive operation parameters, system settings, alarm records, action screens, data curves, maintenance information, and network topology functions.
Two analog output interfaces of 4 ~ 20 mA or 0~10V are thoughtfully reserved within the main control cabinet for torque and speed logging signals, respectively.
A reserved networking interface is available, optionally facilitating seamless field connections to wireless or mobile networks, enabling effortless top drive remote data transmission.

1. 1. 1. Electrical Control Room (VFD Room)

The electric drive and control system cabinets are methodically concentrated in the electrical control room, offering secure and reliable installation with easy maintenance access.
The VFD room is equipped with optimal air conditioning systems, maintaining room temperatures between a comfortable 25ºC - 30ºC.
The interior of the control room is crafted from plastic spray steel plates, with wall interfaces seamlessly connecting to external cables.
Behold the cutting-edge electric control room, meticulously engineered with a robust 380V external emergency power interface. This powerhouse enables seamless makeup, breakout, and low-speed operations even in unique situations, provided the power supply is no less than an impressive 200KW.

1. 1. 1. Driller Console

Step into the future of drilling with our driller console, designed to be seamlessly installed and secured within the driller house, offering unparalleled control and operation capabilities for the top drive.
Crafted with precision, the driller console boasts a sealing structure encased in a stainless steel shell, featuring a positive pressure explosion-proof design. The sophisticated explosion-proof system includes a pressure release valve, an air and water separator, joints, interface, filters, and more. In the event of abnormal air pressure within the box, the system immediately triggers sound and light alarms alongside corresponding indicator lights on the console panel, ensuring comprehensive operational awareness.
This console is equipped with a comprehensive suite of functionalities, including torque limit, elevator link tilt, back-up tong operation, brake operation, IBOP operation, emergency stop, and drilling operation. It provides all necessary operation indicators and instruments for a smooth and efficient workflow.
Thoughtfully configured with switches, indicators, installation fittings, and connectors required for the top drive's seamless operation.
The console panel features a dynamic 9-inch LCD screen, vividly displaying the top drive's operational state, fault warnings, and other critical states, ensuring constant and precise monitoring capabilities.

1. 1. 1. Power Service Loop

A standard power service loop is strategically equipped to deliver reliable power to the main motor,
secured with a terminal rack mounted on the derrick, ensuring the power loop is firmly fixed and stable.
The power loop cable meets ZR specifications, tailored for the demands of domestic offshore drilling operations.
With an impressive power cable length of 70 meters;
equipped with explosion-proof connectors, adhering to level Exd IIC T5 standards.

1. 1. 1. Auxiliary and Control Service Loop

A meticulously designed auxiliary and control service loop is equipped, its length perfectly aligned with the power service loop.
Measuring 70 meters in length;
also fitted with explosion-proof connectors, level Exd IIC T5.

1. 1. 1. Power Supply Cable

A robust set of power supply cables is provided, ensuring seamless connectivity between the generator and the electrical control room, spanning a length of 35 meters with a voltage capacity of 0.6 / 1KV, utilizing standard wire lug connections for optimal reliability.

1. 1. 1. Control Cable of Driller Console

The configuration includes a dedicated control cable, enabling efficient power supply and communication between the driller console and the CPU, with a generous length of 70 meters.

1. 1. 1. Grounding Cable

An expertly assembled set of grounding cables is provided, utilizing high-quality domestic cables, complete with 1.5-meter galvanized grounding rods (2 pcs), and a precise length of 5 meters (2 pcs).

Hydraulic Control System

The hydraulic system is masterfully integrated within the top drive body, comprising a hydraulic source, main control valve set, actuators, auxiliary components, and a hydraulic oil radiator, all working in harmony for optimal performance.

1. 1. 1. Hydraulic Source

Engineered with precision, the hydraulic pump features an inclined axial plunger variable design, perfect for hydrostatic transmission in open circuits. Its flow varies proportionally with drive speed and displacement, offering stepless adjustment through the inclined plate angle. The two oil outlets on the shell are known for their exceptional oil-sucking characteristics, low noise levels, and extended service life, while the drive shaft is engineered to withstand both axial and radial loads with ease.
The hydraulic source's electrical circuit system is crafted with an explosion-proof design, with both the electrical control box and motor constructed from explosion-proof components, ensuring absolute safety and reliability.
Delve into the intricate craftsmanship of our hydraulic system, meticulously engineered with cutting-edge technology. Here are the standout technical parameters that define its excellence:
1. Rated Working Pressure of the System: A robust 14 MPa, ensuring optimal performance under high pressure.
2. Rated Flow Rate of the Hydraulic Pump: An efficient 16 mL/r for seamless fluid dynamics.

1. 1. 1. Hydraulic Valve Manifold

Our state-of-the-art hydraulic manifold features premier plug valves utilizing WANDFLUH components. Complementing these are solenoid valves, also sourced from the prestigious WANDFLUH Company, ensuring unmatched reliability.
The hydraulic control valves boast a plug-in design, while the solenoid reversing valves are crafted to be explosion-proof, emphasizing safety. Let's dive into its specific, precision-engineered composition:
First Line: The counterbalance system masterfully governs the oil circuit. Comprising a pressure relief overflow valve, hydraulic control check valve, throttle valve, and accumulator, it impeccably balances the body weight to safeguard threads during joint operations. The pressure relief overflow valve fine-tunes the balance cylinder's working pressure, aligning with the body weight; the accumulator ensures smooth operations with buffering, shock absorption, and pressure protection. The balance cylinder features a safety overflow valve set at 17 MPa for impact load defense, securing the hydraulic cylinder.
Second Line: The main motor brake oil circuit, featuring EX solenoid reversing valves for precise control.
Third Line: The motor's oil circuit on the rotating head is elegantly composed of explosion-proof solenoid reversing valves and pressure regulating valves. A hard alloy material fortifies the solenoid valve's damping hole, enhancing longevity.
Fourth Line: The IBOP's remote control oil circuit is equipped with explosion-proof solenoid reversing valves for superior control.
Fifth Line: The back-up tong's control oil circuit features explosion-proof solenoid reversing valves, complete with pressure sensors for real-time monitoring.
Sixth Line: The tilt system oil circuit, a marvel of engineering, consists of explosion-proof solenoid reversing valves and throttle check valves. The solenoid valves dictate direction, while the throttle check valves lock the elevator link in position. This system allows the elevator link to swing when centered.
All aforementioned oil circuits are integrated with pressure detection points, enabling meticulous pressure monitoring and ensuring the seamless expulsion of air for smooth operation across the system.

1. 1. 1. Hydraulic Actuator

Our hydraulic actuator is composed of the following precision-engineered components:
Counterbalance Cylinder (2 units), Brake Cylinder (2 units), Drive Motor of Rotating Head (1 unit), IBOP Actuator Cylinder (2 units), Back-up Tong Cylinder (1 unit), Tilt Cylinder (2 units).

1. 1. 1. Hydraulic Auxiliary Components

Our hydraulic auxiliary components are comprised of premium accumulators, top-tier filters, and a robust oil tank, among others.
Accumulators are specialized into brake and balance categories for tailored performance.
Our filters encompass oil filters, high-pressure filters, oil return filters, and air filters, ensuring pristine fluid conditions.
An upper-mounted oil tank is strategically installed to efficiently store essential hydraulic oil and dissipate system heat, enhancing longevity.

1. 1. 1. Radiator

Positioned strategically at the cooling blower's air inlet, the radiator utilizes the main motor to forcibly cool hydraulic oil, guaranteeing exceptional service life and unwavering stability of the hydraulic system.