China Advanced 5000 M Depth Top Drive 350 Ton Load with Free Training and Test Operation

• 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) is a drilling technology that uses a suspended motor (typically electric or hydraulic) to provide the torque needed to rotate the drill string. This system replaces the traditional rotary table and kelly drive methods, offering advantages like increased drilling efficiency, reduced manual labor, and improved safety

VSP new designed DQ50-BQ has been upgraded at many components based on the traditional top drive syetem, that make it has a competitive advantage which is a smaller size with bigger torgue and working efficience.

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 system

The mechanical system is composed of 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, etc.
The top drive is powered by an AC frequency conversion asynchronous motor to realize AC frequency conversion drive.

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

The main motor is a single top drive special AC frequency conversion asynchronous motor with a power of 290KW. The main technical parameters include:
Rated Voltage 600VAC
Rated Frequency 61Hz
Rated Current 365A
The main motor is equipped with a heater and an explosion-proof wind pressure switch
The main motor adopts forced air-cooling mode.
The air-cooling motor : voltage 380VAC / 50Hz, power 4kW, insulation grade F, protection grade IP55, explosion proof level ExdIICT4, wind capacity not less than 70 m3/min, air pressure 203mm water column.

1. 1. 1. Break System

The top drive main motor is equipped with a set of special hydraulic disc brake device, which can assist the drill string orientation in the directional inclined drilling operation.
The disc brake device is installed at the upper extension end of the motor shaft, using a pair of Swedish DELLNER cylinders connected by a special hard pipeline, durable. When the speed of the main motor is reduced to 3rpm, the friction forces on the brake disc through the brake cylinder can realize the braking function of the main motor.

1. 1. 1. Gear Box

In order to increase the output torque of the top drive motor, reduce the motor volume and improve the motor performance, one set of gear box is configured.
The gear box adopts involute hard tooth surface gear with secondary bevel gear to realize stable transmission, transmission ratio is 11.91:1. The lubrication in the box adopts the combination form of splash lubrication and forced lubrication by the oil pump circulation.

1. 1. 1. Gooseneck Assembly

The gooseneck is specially designed for well logging. During drilling, corrosion resistant liner and nuts are used to block the upper high-pressure mud pipeline to avoid mud overflow.
One end of the gooseneck is connected with the wash pipe assembly. The wash pipe assembly adopts the super high pressure structure, which is an important part of sealing the high pressure mud and adopts self-sealing and rapid disassembly structure. When the wash pipe and the packing are damaged by wearing and need to be replaced, merely open the cover of upper and lower packing to taker off the whole device without removing the gooseneck and the mud hose. It is easy to stop drilling to replace at any time during the drilling process.
At one end, the gooseneck seamlessly connects to the mud hose through a 4-inch female connection, ensuring robust and secure integration for optimal operation. This connection utilizes a Fig1003 thread type union, renowned for its durability and secure fit.
A cutting-edge mud prevention device is installed at the junction of the main shaft and wash pipe, expertly designed to meet the demanding requirements of on-site operations.

1. 1. 1. Rotating Head

The system includes one sophisticated rotating head, capable of independent rotation from the main shaft, with elevator links expertly suspended on the link adaptor. are suspended on the robust link adaptor, ensuring stability and precision.
Utilizing a superior worm gear transmission structure, this design offers smooth and efficient driving performance.
The rotating head can effortlessly rotate in both clockwise and counterclockwise directions, offering a full 360° range. This allows the elevator link and elevator to rotate in unison, providing the capability to securely grasp the single pipe in the mouse hole and the triple stem on the monkey board, enhancing operational efficiency.
Powered by a top-tier hydraulic motor system using the Danfoss cycloid motor, the rotating head operates within a precise speed range of 2 to 5 r/min, ensuring consistent performance.

1. 1. 1. Tilt System

The advanced tilt cylinder smoothly drives the elevator link to swing, facilitating both forward and backward tilt. The forward tilt function enables the elevator to extend effortlessly to the mouse hole and the monkey board. During drilling operations, the backward tilt function ensures the lower end surface of the back-up tong is closely aligned with the drilling platform, allowing for full utilization of the drilling tool.
The tilt range is dependent on the elevator link's length, featuring an adjustable forward angle of 30 degrees and a backward tilt angle of 55 degrees for customized operation.
Note: For configurations requiring different link lengths, please coordinate with our experienced sales team in advance.
The hydraulic system is ingeniously set with a 'middle' position within the tilt mechanism, allowing the elevator link to automatically return to a free swing state, thereby minimizing pressure impact on the hydraulic system.

1. 1. 1. Counterbalance System

The suspension bail counterbalance system is a critical component of the top drive system, ingeniously connected to the gearbox through a pin shaft, and securely hung on the hook or traveling block. This innovative double hydraulic cylinder design with internal force balance ensures operational safety and reliability, eliminating the need for additional devices.

1. 1. 1. Back Up Tong Assembly

Equipped with a high-performance L-type back-up tong assembly, it uses powerful motors and precision-engineered cylinders to clamp, release, makeup, and breakout. This system allows connection and removal of the saver sub without the hassle of tong body disassembly, streamlining drilling operations. Together with the tilt mechanism and rotating head, it forms a comprehensive pipe handling device, significantly boosting makeup & breakout efficiency while reducing staff labor intensity and operation risks.
Applied drill pipe range: 85-187mm, offering versatility across various applications.

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

Features an integrated design with both manual and remote control for the double ball valve, with the following key technical specifications:
Working Pressure 70MPa, offering robust and reliable performance under demanding conditions.
Thread Type 6-5/8" API REG × 6-5/8" API REG, ensuring a secure and compatible fit.
O.D. Φ187mm, precisely engineered for optimal functionality.
I.D. 3
Our sophisticated remote control IBOP system features an actuator comprising a set of high-performance hydraulic cylinders, an IBOP sliding sleeve, and reliable gearing. The connection between the cylinder and the sliding sleeve is ingeniously designed with roller contact, ensuring flawless axial movement simultaneously with the rotational dynamics of the main shaft, coupled with the drive wrench, facilitating seamless operation for opening and closing the manual IBOP.
This efficient mechanism enables the IBOP to be rapidly closed during critical events such as well kicks or blow-outs, ensuring unparalleled well control safety.
The IBOP sliding sleeve operates via a robust gear rack with cam gear, significantly enhancing reliability.

1. 1. 1. Guide Rail and Carriage

Our advanced design includes a folding guide rail assembly, featuring multi-section guide rails, strong connections, crown block support, an adjustable beam assembly, and comprehensive installation accessories.
Thanks to its innovative folding design, site installation is both swift and hassle-free.
The carriage and guide rail utilize a friction type pulley structure.
Our pulleys boast a double-side cam follower structure, ensuring even stress distribution on each roller, thus extending their lifespan.

1. 1. 1. Container

For optimal transportation efficiency, two open-top containers are provided-one dedicated to housing the top drive body, the other for the guide rail and cable assembly,

Electrical Control System

Our top drive's electrical control system is comprehensive, featuring the main control system, an electrical control room, driller's console, power cables, auxiliary and composite control cables, power supply cables, and driller's console cables, grounding cables, and more.
Equipped with a robust AC asynchronous induction motor, our top drive delivers powerful drilling capabilities, utilizing an advanced AC frequency conversion drive mode.

1. 1. 1. Main Control System

Our electrical control system incorporates a state-of-the-art ABB ACS880 AC frequency conversion speed regulating device, PLC, auxiliary control units, boasting self-diagnosis, protective functions, and anti-harmonic interference, orchestrating all electrical control functions seamlessly during top drive operations.
With the Simatic S7-1500 series PLC from Siemens, controlled via ProfiBus-DP bus, we ensure precise system operating parameter settings and hardware/software status monitoring;
Our main control system and driller console leverage the ProfiBus bus, delivering superior anti-interference capabilities, precise control, and remarkable ease of on-site use, installation, troubleshooting, and maintenance.
The auxiliary control unit is elegantly integrated within the same cabinet as the PLC and features high-quality Siemens electric components.
Our IPC system is engineered to display real-time operational parameters of the top drive, system settings, alarm records, action screens, data curves, maintenance information, and network topology.
The main control cabinet is equipped with two reserved analog output interfaces ranging from 4 ~ 20 mA or 0 ~ 10V, designated for torque and speed logging signals.
An optional networking interface is available, facilitating seamless field connection to wireless or mobile networks, enabling remote data transmission for the top drive.

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

Our electric drive and control system cabinets are strategically consolidated in the electrical control room, ensuring robust installation and effortless maintenance.
The VFD room comes outfitted with air conditioning units, maintaining a stable room temperature between 25ºC and 30ºC.
The interior decoration material Crafted with precision, the control room's robust plastic spray steel plate exterior not only exudes durability but also strategically hosts interface ports seamlessly integrating external cables.
Experience reliability with our electric control room, boasting an external 380V emergency power interface. This feature empowers operations such as makeup, breakout, and low-speed maneuvers under special circumstances, with a power supply requirement of no less than 200KW.

1. 1. 1. Driller Console

Designed for optimal control, a single driller console can be securely installed within the driller house, facilitating effortless operation and precise control of the top drive.
Encased in a stainless steel shell, our driller console features a sealing structure incorporating a positive pressure explosion-proof design. The explosion-proof system includes a pressure release valve, air and water separator, joints, interfaces, filters, and more. Should the air pressure within the console fluctuate, both sound and light alarms are activated, accompanied by corresponding indicator lights on the console's panel, ensuring maximum safety and awareness.
Our driller console is equipped with a suite of functionalities, including torque limit, elevator link tilt, backup tong operation, brake operation, IBOP operation, emergency stop, and drilling operations. It also features essential operation indicators and instruments.
Meticulously configure the switches, indicators, fittings, connectors, and more required for efficient top drive operations.
The console panel is outfitted with a vivid 9-inch LCD screen, providing real-time display of the top drive's operational status, fault alerts, and other critical operational states, ensuring operators are always informed.

1. 1. 1. Power Service Loop

A standard set of power service loops is provided to channel power to the main motor, ensuring uninterrupted operation and efficiency.
Securely mount a terminal rack on the derrick to anchor the power loop,
with cables compliant with ZR specifications, tailored for domestic offshore drilling requirements. for robust and reliable domestic offshore drilling.
Power Cable Length: 70m;
featuring explosion-proof connectors certified at level Exd IIC T5 for superior safety and reliability.

1. 1. 1. Auxiliary and Control Service Loop

A comprehensive auxiliary and control service loop set is included, harmonizing in length with the power service loop for seamless integration.
This configuration mirrors the 70m length;
and comes equipped with explosion-proof connectors, maintaining the safety standard level Exd IIC T5.

1. 1. 1. Power Supply Cable

Complete with a power supply cable set, this connects the generator to the electrical control room. With a 35m length and a voltage rating of 0.6/1KV, it employs standard wire lug connections for optimal safety.

1. 1. 1. Control Cable of Driller Console

The control cable setup ensures seamless power supply and communication between the driller console and the CPU, with a length of 70m to provide ample reach.

1. 1. 1. Grounding Cable

Our grounding cable assembly features high-quality domestic cables, complete with two 1.5m galvanized grounding rods, each 5m in length, ensuring robust and reliable grounding.

Hydraulic Control System

Ingeniously integrated into the top drive body, the hydraulic system comprises a hydraulic source, main control valve set, actuators, auxiliary parts, and an efficient hydraulic oil radiator for superior performance.

1. 1. 1. Hydraulic Source

At the heart of the hydraulic source lies an inclined axial plunger variable pump, specifically designed for hydrostatic transmission in open circuits. Its flow rate dynamically aligns with drive speed and displacement, offering stepless adjustments. The pump's two oil outlets boast excellent oil suction, low noise, and exceptional durability, ensuring a long service life. Additionally, the drive shaft is engineered to endure both axial and radial loads, delivering performance you can rely on.
The electrical circuit system of hydraulic source adopts explosion-proof design, and the electrical control box and motor all adopt explosion-proof components.
The main technical parameters of the hydraulic system include:
Rated working pressure of system : 14 MPa
Rated flow rate of the hydraulic pump: 16 mL/r

1. 1. 1. Hydraulic Valve Manifold

One set of hydraulic manifold is equipped, the plug valves adopt the WANDFLUH hydraulic components , and the solenoid valves also adopt the products of WANDFLUH Company.
:The hydraulic control valves adopt the form of plug-in type, and the solenoid reversing valves are all explosion-proof products. Its specific composition is as follows:
First line: the counterbalance system controls the oil circuit. It is composed of pressure relief overflow valve, hydraulic control check valve, throttle valve and accumulator. The main function of the counterbalance system is to balance the weight of the body to protect the threads from wearing when the joints makeup and breakout. The function of the pressure relief overflow valve is to adjust the working pressure of the balance cylinder to meet the weight of the body; the accumulator acts as buffer, shock absorption and pressure protection. The balance cylinder is equipped with safety overflow valve with pressure set of 17MPa to prevent impact load to protect the hydraulic cylinder.
Second line: the main motor brake oil circuit.,consists of EX solenoid reversing valves.
Third line: the oil circuit of motor on rotating head. It is composed of explosion-proof solenoid reversing valve and pressure regulating valve. The damping hole of solenoid valve is made of hard alloy material to improve the service life.
Fourth line: the Oil circuit of remote control internal blowout preventer (IBOP) consists of explosion-proof solenoid reversing valves.
Fifth line: the back-up tong control oil circuit. oil circuit.explosion-proof solenoid reversing valves, equipped with pressure sensor.
Sixth line: the Tilt system oil circuit. It is composed of explosion-proof solenoid reversing valve and throttle check valve and other units. The solenoid valve plays the reversing role, and the throttle check valve makes the elevator link stop in any position for a long time, which can be set to the swing state when the elevator link is in the middle position.
The above oil circuits are all set with pressure detection points to monitor the working pressure of each oil circuit. At the same time, the air in each oil circuit and oil cylinder can be discharged through the pressure measurement point to make the system work smoothly.

1. 1. 1. Hydraulic Actuator

The hydraulic actuator consists of the following parts
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(2ea).

1. 1. 1. Hydraulic Auxiliary Components

Hydraulic auxiliary components consists of accumulators, filters and oil tank, etc.
Accumulators are divided into brake accumulator and balance accumulator.
Filters are divided into oil filter, high pressure filter, oil return filter and air filter.
Install a upper mounted oil tank to store the hydraulic oil required for the work of the hydraulic system and dissipate the heat of the system.

1. 1. 1. Radiator

The radiator is located at the air inlet of the cooling blower. The main motor is used to cool the hydraulic oil by force to effectively ensure the service life and stability of the hydraulic system.