Dq50-Bq Load 350 Ton Top Drive System (TDS) with Comprehensive Quality Certificate and Test Report

• 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 (TDS), a revolutionary drilling technology that incorporates a sophisticated suspended motor, either electric or hydraulic, to deliver the essential torque for rotating the drill string. This innovative system replaces the conventional rotary table and kelly drive methods, providing remarkable benefits such as enhanced drilling efficiency, reduced manual labor, and heightened safety measures.

Presenting the VSP new designed DQ50-BQ, a marvel of engineering that builds upon traditional top drive systems with numerous component upgrades. This cutting-edge design boasts a competitive edge by offering a more compact size coupled with increased torque and operational efficiency, setting new standards in performance.

1. 1. Typical Parameter Overview

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 Specifications

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 System OverviewMechanical System Components

The mechanical system is an intricate assembly comprising a main motor system, a sophisticated air cooling system, advanced brake system, robust gearbox, wash pipe assembly, rotating head mechanism, tilt mechanism, back-up tong mechanism, internal blowout prevention mechanism (IBOP), guide rail and carriage mechanism, container, and more, all meticulously designed for optimal performance.
The top drive harnesses the power of an AC frequency conversion asynchronous motor, enabling precise AC frequency conversion drive for unparalleled performance.

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

The main motor is a specialized AC frequency conversion asynchronous motor, designed exclusively for top drives, boasting a formidable power output of 290KW. Key technical parameters include:
Rated Voltage Specification 600VAC for Optimal Performance
Rated Frequency Details 61Hz for Precise Operations
Rated Current Specification 365A for Robust Power Delivery
Equipped with a heater and an explosion-proof wind pressure switch, the main motor ensures operational safety and reliability.
Utilizing a forced air-cooling mode, the main motor remains at peak performance, even under demanding conditions.
The air-cooling motor specifications include: voltage 380VAC / 50Hz, power 4kW, insulation grade F, protection grade IP55, all encased in a robust explosion-proof design. Level ExdIICT4 with a wind capacity exceeding 70 m3/min and an air pressure of 203mm water column ensures optimal cooling efficiency.

1. 1. 1. Advanced Brake System

The top drive's main motor is enhanced with a specialized hydraulic disc brake device, designed to assist in precise drill string orientation during directional inclined drilling operations.
The disc brake device, strategically installed at the motor shaft's upper extension, utilizes a pair of Swedish DELLNER cylinders connected by a specialized hard pipeline. This durable system activates the braking function of the main motor once its speed reduces to 3rpm, ensuring controlled operations.

1. 1. 1. State-of-the-Art Gear Box

To maximize the output torque of the top drive motor while minimizing its volume and enhancing performance, an expertly configured gear box is incorporated.
The gear box features involute hard tooth surface gears with a secondary bevel gear to ensure stable transmission. It boasts a transmission ratio of 11.91:1, with lubrication achieved through a combination of splash lubrication and forced lubrication via oil pump circulation.

1. 1. 1. Innovative Gooseneck Assembly

The gooseneck, crafted for well logging, features corrosion-resistant liners and nuts to effectively block the upper high-pressure mud pipeline during drilling and prevent mud overflow.
One end of the gooseneck connects to the wash pipe assembly, which is engineered with a super high-pressure structure. This crucial component is key to sealing high-pressure mud, utilizing a self-sealing and rapid disassembly structure. When necessary, due to wear, replacing the wash pipe and packing is simplified. Simply open the cover of the upper and lower packing to remove the entire device without detaching the gooseneck or the mud hose. This design facilitates easy drilling interruptions for replacement at any point during the drilling process, minimizing operational downtime.
The opposing end of the gooseneck is seamlessly connected with the mud hose, using a robust 4-inch female coupling for optimal performance. The union is expertly engineered, featuring a Fig1003 thread type for secure and reliable connectivity.
Strategically installed, a mud prevention device bridges the main shaft and wash pipe connection, ensuring operational efficiency and site safety.

1. 1. 1. Rotating Head

This cutting-edge rotating head system operates independently of the main shaft, while the elevator links are effortlessly suspended on the link adaptor, providing seamless operation. are suspended on the link adaptor, ensuring a steady and secure attachment.
Utilizing a state-of-the-art worm gear transmission structure, the drive maintains unparalleled smoothness and stability.
The rotating head boasts the capability to rotate a full 360° in both clockwise and counterclockwise directions, effortlessly driving both the elevator link and elevator. This ensures a perfect grasp of the single pipe in the mouse hole and the triple stem on the monkey board. stem on the monkey board for enhanced drilling precision.
Relying on an advanced hydraulic motor system, the rotating head's motion is powered by the renowned Danfoss cycloid motor, offering a precise speed range of 2 ~ 5 r/min.

1. 1. 1. Tilt System

The tilt cylinder ingeniously propels the elevator link to facilitate both forward and backward tilts. The forward tilt extends the elevator to the mouse hole and monkey board, enhancing operational reach. During drilling operations, the backward tilt function precisely aligns the lower end surface of the back-up tong with the drilling platform, optimizing the utility of the drilling tool.
The tilt range, dictated by the elevator link length, includes an adjustable forward angle of 30 and a backward angle of 55, offering versatility.
Note: Should you require links of different lengths, please consult our sales team in advance for tailored solutions.
The hydraulic system is ingeniously configured with a 'middle' tilt mechanism setting, allowing the elevator link to automatically return to a free swing state, minimizing hydraulic system stress and impact.

1. 1. 1. Counterbalance System

The suspension bail counterbalance system is vital for the top drive's functionality. Connecting via pin shaft to the gearbox and hanging on the hook or traveling block, it efficiently balances the body's weight. The VSP top drive's double hydraulic cylinder with internal force balance mode eliminates the need for additional devices, increasing safety and reliability.

1. 1. 1. Back Up Tong Assembly

Outfitted with a comprehensive L-type back-up tong assy, employing a combination of motor and cylinder mechanisms to ensure effortless clamping, release, makeup, and breakout actions. It facilitates saver sub connection and removal without requiring tong body disassembly, enhancing drilling operations. The system, combined with the tilt mechanism and rotating head, forms an all-encompassing pipe handling device. It streamlines makeup and breakout operations, optimizes drilling tool arrangement, and significantly reduces labor intensity and risk.
Compatible with drill pipe diameters ranging from 85-187mm, this system adapts to various operational needs.

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

Crafted with an integrated structure, featuring manual and remote control capabilities through a dual ball valve setup, delivering unmatched control and versatility. control double ball valve, the main technical parameters are as follows:
Working Pressure A formidable 70MPa ensures optimal performance under high-stress conditions.
Thread Type 6-5/8"API REG × 6-5/8"API REG - a standard ensuring compatibility and stability.
O.D. Φ187mm - designed to meet exacting industry standards.
I.D. 3
The actuator of the remote control IBOP is a marvel of engineering, featuring a sophisticated pair of hydraulic cylinders, an IBOP sliding sleeve, and precision gear components. The connection between the cylinder and the sliding sleeve employs a roller touch system, ensuring that the axial movement of the sleeve syncs seamlessly with the rotation of the main shaft. Moreover, the drive wrench mechanism is ingeniously designed to facilitate the opening and closing of the manual IBOP with precision.
This function allows for rapid IBOP closure, effectively safeguarding the well during unexpected kicks or blow-outs, thereby achieving superior well control safety.
The IBOP sliding sleeve is ingeniously powered by a gear rack and cam gear system to ensure enhanced reliability.

1. 1. 1. Guide Rail and Carriage

Our advanced folding guide rail assembly comprises multiple sections, complete with reliable connections, a supportive crown block, an adaptable adjustment beam assembly, and essential installation accessories.
Thanks to its innovative folding design, site installation is both swift and convenient.
The carriage and guide rail feature a friction-reducing pulley structure.
The pulley's double side cam follower structure ensures uniform stress distribution across each roller, significantly extending their lifespan.

1. 1. 1. Container

For seamless transport, two open-top containers are provided. One accommodates the top drive body, while the other houses the guide rail and cable assembly,

Electrical Control System

The state-of-the-art top drive electrical control system encompasses a main control system, electrical control room, driller's console, power and auxiliary cables, a composite control cable, power supply cable, driller's console cable, grounding cable, and more.
The top drive is driven by a robust AC asynchronous induction motor, employing an efficient AC frequency conversion drive system.

1. 1. 1. Main Control System

Our advanced electrical control system is equipped with an ABB ACS880 AC frequency conversion speed regulating device, a programmable logic controller (PLC), and an auxiliary control unit. The system offers comprehensive self-diagnosis, protection, and anti-harmonic interference features, ensuring flawless electrical control throughout top drive operations.
Harnessing the power of Siemens' Simatic S7-1500 series PLC, this system operates via a ProfiBus-DP bus, enabling precise system parameter settings and hardware/software status monitoring.
The main control system and driller console communicate through a ProfiBus bus, offering exceptional anti-interference capabilities, accurate control, and ease of on-site installation, debugging, and maintenance.
The auxiliary control unit is conveniently housed alongside the PLC, utilizing high-quality Siemens electric components.
An IPC system is configured to provide real-time displays of top drive operation parameters, system settings, alarm records, action screens, data curves, maintenance information, and network topology.
The main control cabinet includes two reserved analog output interfaces for torque and speed logging signals, available in 4 ~ 20 mA or 0~10V formats.
An optional reserved networking interface facilitates the seamless connection to wireless or mobile networks, enabling remote data transmission of the top drive.

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

Housed in the electrical control room, the cabinets of the electric drive and control system offer firm and reliable installations with easy maintenance access.
Equipped with air conditioning, the VFD room maintains a comfortable temperature range of 25ºC -30ºC.
The internal decoration of the control room features durable plastic spray steel plates, with wall interface ports for seamless external cable connections.
The electric control room is outfitted with a robust external 380V emergency power interface. This feature empowers your operations by enabling makeup, breakout, and low-speed functionalities during critical situations, provided the power supply is no less than 200KW.

1. 1. 1. Driller Console

A singular set of the driller console is meticulously designed to be installed and securely fixed within the driller house, facilitating seamless operation and comprehensive control of the top drive.
The driller console boasts a sophisticated sealing structure embellished with a stainless steel shell, employing a cutting-edge positive pressure explosion-proof design. This advanced explosion-proof system integrates a pressure release valve, air and water separator, joints, interfaces, filters, and more. If an air pressure anomaly occurs within the box, it triggers both audible and visual alarms, along with the corresponding indicator light on the console panel.
It incorporates an extensive array of functions including torque limit, elevator link tilt, backup tong operation, brake operation, IBOP operation, emergency stop, and drilling operation, accompanied by essential operation indicators and instruments.
Meticulously configured with switches, indicators, installing fittings, connectors, and other necessary components required for the seamless operation of the top drive.
The console panel is enhanced with a 9-inch LCD screen, providing real-time display of working conditions, fault diagnostics, and other critical states of the top drive.

1. 1. 1. Power Service Loop

A standard power service loop set is strategically equipped to deliver power to the main motor,
while a robust terminal rack is installed on the derrick for secure fixation of the power loop.
The power loop cable adheres to ZR specifications, ensuring compatibility with domestic offshore drilling operations.
Power Cable Length: 70m;
featuring explosion-proof connectors, certified to level Exd IIC T5.

1. 1. 1. Auxiliary and Control Service Loop

An auxiliary and control service loop is expertly equipped, designed to match the length of the power service loop with precision.
The length is 70m;
incorporating explosion-proof connectors, certified to level Exd IIC T5.

1. 1. 1. Power Supply Cable

A comprehensive power supply cable set is provided, bridging the generator and electrical control room with precision. At 35m in length, it operates at 0.6/1KV voltage, utilizing standard wire lug connections for optimal performance.

1. 1. 1. Control Cable of Driller Console

A dedicated control cable is meticulously configured to ensure seamless power supply and communication between the driller console and the CPU, measuring 70 m in length.

1. 1. 1. Grounding Cable

A grounding cable assembly is meticulously configured, crafted with domestic cables and complemented by 1.5m galvanized grounding rods (2 pcs), with an overall length of 5m (2 pcs).

Hydraulic Control System

Elegantly integrated within the top drive body, the hydraulic system comprises a hydraulic source, main control valve set, hydraulic actuator, auxiliary parts, and a hydraulic oil radiator, offering unparalleled operational efficiency.

1. 1. 1. Hydraulic Source

The hydraulic pump, a model of precision engineering, is an inclined axial plunger variable pump, tailor-made for hydrostatic transmission in open circuits. Its flow is seamlessly proportional to drive speed and displacement. By adjusting the inclined plate angle, flow adjustments can be made with stepless precision. The two oil outlets on the shell are renowned for their superior oil suction characteristics, offering low noise and extended service life, with a drive shaft robust enough to withstand both axial and radial loads.
The electrical circuit system of the hydraulic source is designed with explosion-proof features, with both the electrical control box and motor incorporating reliable explosion-proof components.
Dive into the heart of precision with the primary technical parameters of our advanced hydraulic system, which include:
The system's rated working pressure stands at an impressive: 14 MPa, offering robust performance.
Rated flow rate of the hydraulic pump: 16 mL/r, ensuring optimal efficiency.

1. 1. 1. Hydraulic Valve Manifold

Our system features a state-of-the-art hydraulic manifold set, implementing WANDFLUH hydraulic components for the plug valves, while the solenoid valves also leverage the exceptional quality of WANDFLUH Company products.
:The cutting-edge hydraulic control valves utilize a plug-in type format, while the solenoid reversing valves boast explosion-proof design. Explore the intricate composition below:
First line: At the forefront is the counterbalance system that expertly controls the oil circuit. This system encompasses a pressure relief overflow valve, hydraulic control check valve, throttle valve, and an accumulator. Its paramount task is to balance the body weight, preventing thread wear during joint makeup and breakout. The pressure relief overflow valve adjusts working pressure to match body weight; the accumulator provides crucial buffer, shock absorption, and pressure protection. A safety overflow valve with a pressure set of 17MPa is fitted to guard against impact loads, safeguarding the hydraulic cylinder.
Second line: The main motor brake oil circuit is a feat of engineering, comprised of EX solenoid reversing valves, designed for maximum effectiveness.
Third line: Within the oil circuit of the motor on the rotating head lies an explosion-proof solenoid reversing valve and a pressure regulating valve, with a solenoid valve damping hole crafted from hard alloy to enhance lifespan.
Fourth line: Navigate the innovative oil circuit of the remote control internal blowout preventer (IBOP) with its explosion-proof solenoid reversing valves.
Fifth line: The back-up tong control oil circuit shines with explosion-proof solenoid reversing valves, complemented by a pressure sensor for meticulous monitoring.
Sixth line: The Tilt system oil circuit integrates an explosion-proof solenoid reversing valve, throttle check valve, and other components. The solenoid valve facilitates precise reversing, while the throttle check valve securely holds the elevator link in any position, adaptable to swing mode when centered.
Each oil circuit is strategically fitted with pressure detection points, ensuring seamless pressure monitoring. Concurrently, air can be purged from both oil circuits and cylinders via these points, guaranteeing smooth and efficient system operation.

1. 1. 1. Hydraulic Actuator

The hydraulic actuator is an assembly of the following essential components:
Counterbalance Cylinder(2 ea), Break Cylinder(2 ea), Drive Motor of rotating head (1 ea), IBOP actuator Cylinder(2 ea), Back-up Tong Cylinder(1 ea), Tilt Cylinder(2 ea), all meticulously crafted for superior performance.

1. 1. 1. Hydraulic Auxiliary Components

Our sophisticated hydraulic auxiliary components include accumulators, filters, and a high-capacity oil tank, amongst others.
Accumulators are expertly categorized into brake accumulators and balance accumulators.
Filters are precisely divided into oil filters, high pressure filters, oil return filters, and air filters for comprehensive protection.
A strategically installed upper mounted oil tank efficiently stores essential hydraulic oil for system operation while dissipating excess heat to maintain system integrity.

1. 1. 1. Radiator

The radiator, positioned optimally at the air inlet of the cooling blower, harnesses the power of the main motor to actively cool the hydraulic oil, thereby prolonging both the service life and stability of the entire hydraulic system.