Upgrade 350 Ton Top Drive (TDS) Model Dq50-Bq with 800kw Power for Oil and Gas 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

Product Description

The top drive system represents a revolutionary advancement in drilling technology, utilizing a suspended motor-either electric or hydraulic-to generate the essential torque required for rotating the drill string. This cutting-edge system seamlessly replaces the conventional rotary table and kelly drive methods, offering numerous benefits such as enhanced drilling efficiency, minimized manual labor, and significantly improved safety measures.

The VSP's newly engineered DQ50-BQ has undergone a transformative upgrade with many components reimagined from the traditional top drive system. This innovation bestows it with a competitive edge, as it boasts a more compact size while delivering increased torque and superior working efficiency.

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 sophisticated mechanical system comprises an array of components: main motor system, state-of-the-art air cooling system, advanced brake system, robust gear box, wash pipe assembly, dynamic rotating head mechanism, versatile tilt mechanism, dependable back-up tong mechanism, innovative internal blowout prevention mechanism (IBOP), precision-engineered guide rail and carriage mechanism, and a comprehensive container, among others.
The top drive is powered by an advanced AC frequency conversion asynchronous motor, enabling a seamless AC frequency conversion drive.

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

The main motor is a single, specially designed top drive AC frequency conversion asynchronous motor with a remarkable power capacity of 290KW. The main technical parameters boast:
Rated Voltage 600VAC
Rated Frequency 61Hz
Rated Current 365A
Equipped with a heater and an explosion-proof wind pressure switch, the main motor is fortified for optimal performance.
The main motor employs a robust forced air-cooling mode, ensuring efficient heat dissipation.
The air-cooling motor operates at a voltage of 380VAC / 50Hz, with a power rating of 4kW, boasting an insulation grade F and protection grade IP55. It features explosion-proof capabilities. With a level ExdIICT4, the motor provides a wind capacity of no less than 70 m3/min, supported by an air pressure of 203mm water column.

1. 1. 1. Brake System

The top drive's main motor is enhanced with a specialized hydraulic disc brake device, facilitating precise drill string orientation during directional inclined drilling operations.
This high-performance disc brake device, installed at the upper extension end of the motor shaft, utilizes a pair of durable Swedish DELLNER cylinders connected via a specialized hard pipeline. When the motor speed decreases to 3rpm, the friction forces on the brake disc through the brake cylinder enable the effective braking function of the main motor.

1. 1. 1. Gear Box

To augment the output torque of the top drive motor, reduce its volume, and optimize performance, the system is equipped with a highly efficient gear box.
The gear box features involute hard tooth surface gears with a secondary bevel gear, ensuring stable transmission. It achieves a transmission ratio of 11.91:1, with lubrication achieved through a combination of splash lubrication and forced lubrication via an oil pump circulation.

1. 1. 1. Gooseneck Assembly

The gooseneck is meticulously designed for well logging. During drilling, it employs corrosion-resistant liners and nuts to effectively block the upper high-pressure mud pipeline, thereby preventing mud overflow.
One end of the gooseneck seamlessly connects with the wash pipe assembly. This assembly, characterized by its super high-pressure structure, is pivotal in sealing high-pressure mud, featuring a self-sealing and rapid disassembly structure. When wear inevitably damages the wash pipe and packing, replacement is streamlined by merely opening the cover of the upper and lower packing to effortlessly remove the entire device without detaching the gooseneck and the mud hose. This user-friendly design allows for immediate cessation of drilling to facilitate replacement at any given time during the drilling operations.
The other end of this remarkable gooseneck is seamlessly connected with the mud hose. It boasts a robust 4-inch female union that ensures a secure and efficient connection. Designed with precision, the thread type employed here is the Fig1003, known for its reliability and strength.
Crafted for excellence, a sophisticated mud prevention device is strategically installed at the junction of the main shaft and the wash pipe, ensuring compliance with stringent site operation requirements.

1. 1. 1. Rotating Head

This innovative system features one set of rotating head, engineered to operate independently from the main shaft. It offers seamless connectivity with the elevator links. Engineered to perfection, the elevator links are gracefully suspended on the link adaptor, ensuring smooth operations.
The adoption of a worm gear transmission structure ensures smooth and efficient power delivery, enhancing system performance.
The rotating head is designed for versatility and can dynamically rotate both clockwise and counterclockwise in a full 360°, effortlessly driving the elevator link and elevator to rotate in harmony. This allows for secure handling of the single pipe in the mouse hole and the triple stem on the monkey board, enhancing operational efficiency.
Empowered by a state-of-the-art hydraulic motor system, the rotating head is driven by the Danfoss cycloid motor, offering a speed range of 2 ~ 5 r/min for optimal performance.

1. 1. 1. Tilt System

The tilt cylinder is crafted to perfection, enabling the elevator link to swing elegantly, realizing both forward and backward tilts. The forward tilt function allows the elevator to extend seamlessly to the mouse hole and the monkey board. During drilling operations, the backward tilt function is pivotal in ensuring the lower end surface of the backup tong is optimally close to the drilling platform, maximizing the use of the drilling tool.
With a precision-engineered tilt range, the system offers a forward angle of 30° and a backward tilt angle of 55° (adjustable), tailored to the length of the elevator link for maximum flexibility.
Important Note: Should there be a need for configuring links of different lengths, please ensure advance communication with our dedicated sales team for a seamless experience.
The hydraulic system is ingeniously designed with a 'middle' setting within the tilt mechanism, allowing the elevator link to automatically return to a free swing state. This innovative feature prevents undue pressure in the tilt cylinder, safeguarding the hydraulic system from impact.

1. 1. 1. Counterbalance System

The suspension bail counterbalance system is a cornerstone of the top drive system. The bail connects with the gearbox via a pin shaft, with the upper part elegantly hung on the hook or traveling block. Its primary function is to achieve perfect weight balance for the body. The VSP top drive features a state-of-the-art double hydraulic cylinder with an internal force balance mode. This innovative design allows direct hanging with the hook or traveling block, eliminating the need for additional devices and ensuring maximum safety and reliability during operation.

1. 1. 1. Back Up Tong Assembly

Our system is equipped with a highly efficient L-type back up tong assembly. Utilizing both motor and cylinder mechanisms, it provides seamless clamping, releasing, makeup, and breakout capabilities. This innovative system allows for the connection and removal of the saver sub without the necessity for tong body disassembly, streamlining drilling operations. This comprehensive pipe handling device, in conjunction with the tilt mechanism and rotating head, significantly enhances working efficiency in makeup & breakout operations and drilling tool layout, while greatly reducing labor intensity and operational risk.
Compatible with a range of drill pipe dimensions, from 85mm to 187mm, this system offers unmatched versatility.

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

Our IBOP is engineered as an integrated structure, featuring both manual and remote control through a sophisticated double ball valve system. Here are the main technical parameters:
Working Pressure Capable of withstanding impressive pressures, it is rated at 70MPa.
Thread Type Our system employs precise threading with 6-5/8" API REG × 6-5/8" API REG for secure connections.
O.D. With an outer diameter of Φ187mm, it is robustly designed for performance.
I.D. 3
The cutting-edge actuator of the remote control IBOP is engineered with precision, featuring a sophisticated assembly of hydraulic cylinders, a robust IBOP sliding sleeve, and expertly crafted gears. The unique connection format between the cylinder and the sleeve is meticulously designed to ensure seamless operation. This advanced mechanism utilizes roller contact to guarantee synchronized axial movement of the sleeve, perfectly aligning with the main shaft's rotation. This impeccable synchronization extends to the rotation of the main shaft, enhancing the operational efficacy of the apparatus. Furthermore, the drive wrench is ingeniously designed to facilitate the effortless opening and closing of the manual IBOP, providing exceptional control and precision.
This rapid-response feature allows for immediate IBOP closure, ensuring swift action. in the event of a well kick, or blow-out, thus upholding stringent well control safety measures with unmatched reliability.
The IBOP sliding sleeve utilizes a gear rack with a cam gear configuration that enhances reliability and operational stability.

1. 1. 1. Guide Rail and Carriage

A state-of-the-art folding guide rail assembly is meticulously configured, incorporating multi-segment guide rails, precision connections, a solid crown block support, a finely adjustable beam assembly, and vital installation accessories to ensure flawless operation.
With the innovative folding design, site installation becomes remarkably fast and efficient, saving invaluable time.
The carriage and guide rail utilize a sophisticated pulley structure, offering smooth and dependable friction control.
The double-sided cam follower structure of the pulley ensures uniform stress distribution across each roller, significantly extending their lifespan and enhancing performance.

1. 1. 1. Container

For seamless transportation, two open-top containers are expertly equipped: one houses the top drive body, while the other accommodates the guide rail and cable assembly,

Electrical Control System

The electrical control system for the top drive is comprehensive, encompassing a main control system, a dedicated electrical control room, a driller's console, power cables for efficient energy distribution, auxiliary and composite control cables, a reliable power supply cable, and an intuitive driller's console cable along with a grounding cable, ensuring a secure and well-integrated system.
The system is further enhanced with an AC asynchronous induction motor, delivering robust drilling power through an AC frequency conversion drive mode for optimal performance.

1. 1. 1. Main Control System

The meticulously engineered electrical control system includes the highly efficient ABB ACS880 AC frequency conversion speed regulating device, a sophisticated programmable logic controller (PLC), and an auxiliary control unit, all equipped with a perfect self-diagnosis function for unparalleled operational reliability.
Employing the innovative Siemens Simatic S7-1500 series PLC, controlled via ProfiBus-DP bus, the system deftly manages operating parameters, along with precise hardware and software status detection.
The synergy between the main control system and the driller console, powered by the ProfiBus bus, offers exceptional anti-interference capabilities, enabling accurate, reliable control and straightforward on-site use, installation, debugging, and maintenance.
The auxiliary control unit, sharing the cabinet with the PLC, integrates premier Siemens electric components, ensuring high performance and reliability.
An advanced IPC system is configured to provide real-time display of top drive operation parameters, system settings, alarm records, action screens, data curves, maintenance information, and intricate network topology functions for greater operational transparency.
The main control cabinet prudently reserves two analog output interfaces (4 ~ 20 mA or 0~10V) to meticulously log torque and speed signals, enhancing data monitoring precision.
Moreover, the system includes a reserved networking interface to facilitate seamless connection to wireless or mobile networks, enabling remote data transmission and expanding operational reach.

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

The electric drive and control system cabinets are strategically centralized within the electrical control room, offering steadfast installation and convenient maintenance access.
The VFD room is equipped with state-of-the-art air conditioning equipment, meticulously maintaining a temperature range of 25ºC -30ºC for optimal equipment performance.
The interior of the control room is crafted from durable plastic spray steel plate, while the walls are thoughtfully designed with interface ports for seamless integration with external cables, ensuring safe and efficient operational management.
The electric control room boasts an external 380V emergency power interface, enabling crucial operations such as makeup, breakout, and low-speed functionality in special situations. This can be achieved with a power supply of no less than 200KW, ensuring seamless operational continuity.

1. 1. 1. Driller Console

A robust and reliable driller console is meticulously installed and secured inside the driller house, facilitating precise operation and comprehensive control of the top drive.
Encased in a durable stainless steel shell, the driller console features a sealing structure and incorporates a cutting-edge positive pressure explosion-proof design. This advanced explosion-proof mechanism includes a pressure release valve, air and water separator, joints, interface, filters, and more. If any air pressure anomalies occur within the box, both sound and light alarms are activated, in conjunction with the corresponding indicator light prominently displayed on the console panel.
It possesses an array of essential functions including torque limit, elevator link tilt, backup tong operation, brake operation, IBOP operation, emergency stop, and drilling operation, complete with all necessary operation indicators and instruments for optimal performance.
All requisite switches, indicators, installation fittings, and connectors necessary for the seamless operation of the top drive are expertly configured.
The console panel is equipped with an intuitive 9-inch LCD screen, offering real-time displays of the working state, fault notifications, and other crucial states of the top drive, ensuring operators are always informed.

1. 1. 1. Power Service Loop

A standard power service loop is adeptly equipped to supply power efficiently to the main motor,
with a terminal rack ingeniously installed on the derrick to securely fix the power loop.
The loop cable adheres to ZR specifications, ideal for domestic offshore drilling operations.
Power Cable Length: 70m;
featuring explosion-proof connectors of level Exd IIC T5, ensuring utmost safety and reliability.

1. 1. 1. Auxiliary and Control Service Loop

An auxiliary and control service loop is thoughtfully provided, perfectly matching the length of the power service loop.
The length is precisely 70m;
with explosion-proof connectors of level Exd IIC T5, guaranteeing exceptional safety standards.

1. 1. 1. Power Supply Cable

A comprehensive set of power supply cables facilitate seamless connectivity between the generator and the electrical control room, spanning a length of 35m with a voltage of 0.6/1KV, and utilizing the standard wire lug connection for optimal performance.

1. 1. 1. Control Cable of Driller Console

A meticulously configured control cable ensures seamless power supply and communication between the driller console and the CPU, extending an impressive 70 meters.

1. 1. 1. Grounding Cable

A thoroughly assembled grounding cable set is provided, composed of domestically made cables and featuring a 1.5 m galvanized grounding rod (2 pcs), with a total length of 5 m (2 pcs), ensuring reliable grounding.

Hydraulic Control System

Expertly integrated within the top drive body, the hydraulic system comprises a hydraulic source, main control valve set, hydraulic actuator, auxiliary parts, and an efficient hydraulic oil radiator, ensuring seamless hydraulic control.

1. 1. 1. Hydraulic Source

The hydraulic source's pump is an inclined axial plunger variable pump, serving as the cornerstone for hydrostatic transmission in an open circuit. Its flow is directly proportional to drive speed and displacement, and by adjusting the inclined plate angle, flow can be adjusted steplessly. The shell features two oil outlets, with superior oil suction characteristics, diminished noise, and an extended service life, capable of withstanding both axial and radial load due to the robust drive shaft.
The electrical circuit system integrates a comprehensive explosion-proof design, with both the electrical control box and motor utilizing explosion-proof components for enhanced safety.
Embark on a journey of unmatched engineering with our hydraulic system, where the main technical parameters set new standards of excellence:
System Rated Working Pressure: 14 MPa, a testament to robust performance under demanding conditions.
Rated Flow Rate of the Hydraulic Pump: 16 mL/r, ensuring optimal fluid dynamics and efficiency.

1. 1. 1. Hydraulic Valve Manifold

Our state-of-the-art hydraulic manifold, featuring one set, integrates the premier WANDFLUH hydraulic components in its plug valves, while our solenoid valves proudly showcase WANDFLUH Company's reliable products, promising unparalleled quality and functionality.
The hydraulic control valves, embodying the plug-in type, alongside the solenoid reversing valves, boast explosion-proof designs, ensuring safety and reliability. The specific composition includes:
First Line: The counterbalance system is an engineering marvel, precisely controlling the oil circuit. Comprising a pressure relief overflow valve, hydraulic control check valve, throttle valve, and accumulator, it balances the weight of the body, safeguarding threads during joint makeup and breakout. The pressure relief overflow valve adjusts the working pressure of the balance cylinder to the body's weight, while the accumulator provides essential buffering, shock absorption, and pressure protection. Safety is paramount, with a balance cylinder equipped with a safety overflow valve set at 17MPa, protecting the hydraulic cylinder from impact load.
Second Line: The main motor brake oil circuit, a sophisticated ensemble, features EX solenoid reversing valves.
Third Line: The rotating head motor's oil circuit boasts explosion-proof solenoid reversing valves and precision pressure regulating valves. The solenoid valve's hard alloy damping hole elevates its lifespan, ensuring long-term performance.
Fourth Line: The remote control internal blowout preventer (IBOP) oil circuit is reinforced with explosion-proof solenoid reversing valves, prioritizing safety and efficiency.
Fifth Line: The back-up tong control oil circuit exemplifies advanced engineering with explosion-proof solenoid reversing valves, complemented by a cutting-edge pressure sensor.
Sixth Line: The Tilt system oil circuit, a sophisticated assembly of explosion-proof solenoid reversing valves and throttle check valves, allows the elevator link to maintain any position for extended periods, effortlessly transitioning to the swing state when centrally positioned.
All oil circuits are meticulously equipped with pressure detection points, facilitating real-time monitoring of each circuit's working pressure. This design also allows for efficient air discharge from oil circuits and cylinders via the pressure measurement points, ensuring smooth system operation.

1. 1. 1. Hydraulic Actuator

The hydraulic actuator, a marvel of precision engineering, comprises the following components:
Counterbalance Cylinder (2 ea), Brake 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), ensuring a robust and versatile operation.

1. 1. 1. Hydraulic Auxiliary Components

The hydraulic auxiliary components encompass state-of-the-art accumulators, filters, and an oil tank, among other elements.
Accumulators are expertly divided into brake accumulators and balance accumulators, each serving distinct yet complementary roles.
Our filters are meticulously categorized into oil filters, high-pressure filters, oil return filters, and air filters, ensuring pristine fluid quality and optimal system performance.
An upper-mounted oil tank is strategically installed, storing essential hydraulic oil and dissipating system-generated heat, thus maintaining a stable working environment.

1. 1. 1. Radiator

Our radiator, strategically positioned at the cooling blower's air inlet, utilizes the main motor to forcibly cool the hydraulic oil, ensuring the hydraulic system's longevity and unwavering stability.