Dq50 Durable 350 Ton Top Drive with Free Training 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
• Package Size: 600.00cm * 220.00cm * 220.00cm
• Package Gross Weight: 15000.000kg

Product Description

Discover the revolution in drilling technology with our top drive system, an advanced mechanism utilizing a suspended motor, either electric or hydraulic, to generate the essential torque for drill string rotation. This cutting-edge system supersedes traditional rotary tables and kelly drives, delivering significant benefits such as enhanced drilling efficiency, decreased physical labor, and elevated safety standards.

Introducing the VSP's newly designed DQ50-BQ, a state-of-the-art top drive system that has been meticulously upgraded across numerous components to elevate its performance beyond conventional systems. Its compact dimensions, coupled with heightened torque and operational efficiency, provide a distinct competitive edge in the drilling industry.

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

MMechanical System

Our sophisticated mechanical system is a marvel of engineering, comprising a main motor system, air cooling system, brake system, gear box, wash pipe assembly, rotating head mechanism, tilt mechanism, back-up tong mechanism, an internal blowout prevention mechanism (IBOP), guide rail and carriage mechanism, and a container, all designed to enhance operational efficiency and safety.
Experience superior power with the top drive, energized by an AC frequency conversion asynchronous motor, facilitating efficient AC frequency conversion drive.

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

The heart of our system is a sophisticated, single top drive special AC frequency conversion asynchronous motor, boasting a mighty 290KW power output. Key technical specifications include:
Rated Voltage 600VAC
Rated Frequency 61Hz
Rated Current 365A
Engineered for reliability, the main motor is equipped with a heater and an explosion-proof wind pressure switch, ensuring consistent performance.
Our main motor employs a forced air-cooling system for optimal temperature management, ensuring seamless operations.
The air-cooling motor specifications: voltage 380VAC / 50Hz, power 4kW, insulation grade F, protection grade IP55, with explosion-proof features for enhanced safety. level ExdIICT4, and a robust wind capacity of no less than 70 m3/min, with an air pressure of 203mm water column, ensuring powerful airflow.

1. 1. 1. Brake System

Our top drive's main motor is complemented by an advanced hydraulic disc brake device, which plays a pivotal role in guiding drill string orientation during directional and inclined drilling operations.
The highly durable disc brake system is strategically installed at the upper extension of the motor shaft, featuring a Swedish DELLNER cylinder pair connected via a specialized hard pipeline. This system effectively utilizes friction forces on the brake disc to deliver precise braking functionality when the motor's speed dwindles to 3rpm.

1. 1. 1. Gear Box

To maximize the top drive motor's output torque while minimizing its volume and enhancing performance, our system incorporates a meticulously designed gear box.
Our gear box employs an involute hard tooth surface gear with a secondary bevel gear, ensuring stable transmission capabilities. The transmission ratio is a precise 11.91:1, while lubrication is achieved through a combination of splash and forced oil pump circulation, enhancing durability and efficiency.

1. 1. 1. Gooseneck Assembly

Expertly crafted for well logging, the gooseneck assembly features corrosion-resistant liners and nuts to effectively seal the upper high-pressure mud pipeline, preventing mud overflow during drilling.
One end of the gooseneck connects seamlessly with our super high-pressure wash pipe assembly, a critical component that ensures high-pressure mud sealing with its self-sealing, rapid disassembly structure. In the event of wear, simply open the top and bottom packing covers to effortlessly remove and replace the entire device without disassembling the gooseneck or mud hose. This design allows drilling operations to pause briefly for maintenance at any time during the drilling process, ensuring operational continuity and efficiency.
At the far end of the gooseneck, you will find a seamless connection with the robust mud hose. This connection is characterized by a 4-inch female joint, ensuring compatibility and sturdiness. This secure union features a Fig1003 thread type, which promises reliability and strength under pressure.
Within the intricate design, a mud prevention device is expertly installed where the main shaft meets the wash pipe. This ensures smooth site operation, effectively preventing mud infiltration and maintaining optimal performance.

1. 1. 1. Rotating Head

Designed for precision, one set of rotating head system is meticulously configured to operate independently from the main shaft. The elevator links, crafted for durability, are adeptly suspended on the link adaptor, showcasing outstanding engineering. The elevator links, seamlessly suspended, offer enhanced functionality and efficiency during operations.
Employing a state-of-the-art worm gear transmission structure, the drive system delivers unparalleled smoothness and reliability.
The precisely engineered rotating head is capable of effortlessly rotating in both clockwise and counterclockwise directions, completing a full 360-degree rotation. This dynamic capability ensures that the elevator link and elevator can rotate together, allowing for seamless handling of single pipes in the mouse hole and triple stems on the monkey board. The system is designed for optimal grasping and placement of stems with remarkable precision.
Powered by an advanced hydraulic motor system, the rotating head employs the esteemed Danfoss cycloid motor. This ensures a wide speed range of 2 to 5 revolutions per minute, delivering power and efficiency in every rotation.

1. 1. 1. Tilt System

Experience unparalleled versatility with the tilt system. The tilt cylinder is engineered to drive the elevator link, allowing for a forward and backward tilt. The forward tilt function extends the elevator to essential areas such as the mouse hole and monkey board, ensuring seamless operation. During drilling, the backward tilt function positions the lower end of the back-up tong closer to the drilling platform. This strategic positioning maximizes the use of drilling tools, making operations more efficient.
With an impressive range of motion, the tilt system features a forward angle of 30 degrees and a backward tilt angle of 55 degrees, both adjustable to meet operational needs.
Note: For those seeking customization, different length links are available upon request. Please communicate with our sales team ahead of time to tailor your order to your specific requirements.
The hydraulic system setting includes a 'middle' position within the tilt mechanism. This allows the elevator link to automatically return to a free swing state, effectively preventing pressure build-up in the tilt cylinder and minimizing impact on the hydraulic system.

1. 1. 1. Counterbalance System

The suspension bail counterbalance system plays a pivotal role in our top drive system, expertly balancing weight with precision. The bail connects to the gearbox via a pin shaft, suspended from the hook or traveling block. This innovative system employs a double hydraulic cylinder with an internal force balance mode, offering unmatched safety and reliability without the need for additional devices.

1. 1. 1. Back Up Tong Assembly

Featuring a robust L-type back-up tong assembly, this system utilizes both motor and cylinder mechanisms to effortlessly clamp, release, makeup, and breakout. This ensures seamless connection and removal of the saver sub without requiring the disassembly of the tong body, making the drilling process more efficient. Together with the tilt mechanism and rotating head, a comprehensive pipe handling device is formed. This combination significantly boosts the efficiency of makeup and breakout operations, optimizes drilling tool layout, and reduces both labor intensity and danger for staff.
Ideal for a range of drill pipe sizes from 85mm to 187mm, offering versatility and adaptability for various drilling needs.

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

Designed with an integrated structure, the IBOP features both manual and remote control capabilities with a sophisticated double ball valve system. Discover the main technical parameters below:
Working Pressure 70MPa, ensuring robust performance and reliability under demanding conditions.
Thread Type 6-5/8" API REG × 6-5/8" API REG, offering compatibility with industry standards.
Outside Diameter (O.D.) Φ187mm, designed for compatibility and efficiency.
Inside Diameter (I.D.) 3", providing optimal flow and performance.
The actuator of the remote control IBOP is an engineering marvel comprising a sophisticated pair of hydraulic cylinders, an IBOP sliding sleeve, and a gear system. These components work harmoniously, as the connection type between the cylinder and the sliding sleeve ensures seamless axial and rotational movements in tandem with the main shaft, providing unparalleled operational precision. The sliding sleeve's revolutionary roller-touching connection guarantees simultaneous axial movement and rotational synchronization, enhancing the system's efficiency and reliability. with the seamless rotation of the main shaft. Additionally, the drive wrench is ingeniously designed to facilitate the effortless opening and closing of the manual IBOP, ensuring user-friendly operation. drive wrench can effortlessly manage the opening and closing of the manual IBOP, adding a layer of convenience and precision to operational dynamics.
In critical moments, this innovative function enables the rapid closure of the IBOP, especially crucial during unexpected situations like well kicks, or blow-outs, thereby enhancing well control safety and ensuring operational security.
The IBOP sliding sleeve is ingeniously driven by a gear rack and cam gear mechanism, significantly boosting reliability and operational confidence.

1. 1. 1. Guide Rail and Carriage

The guide rail assembly is a masterpiece of engineering, featuring a folding design for enhanced portability and flexibility. It includes multiple sections of guide rails, intelligent connections, a robust crown block support, and an adjustable beam assembly, complete with all necessary installation accessories for a seamless setup.
Thanks to its innovative folding design, the site installation process is remarkably swift and straightforward, minimizing downtime.
The friction interface between the carriage and the guide rail is a meticulously designed pulley structure,
employing a double-side cam follower structure to ensure even stress distribution across each roller, thereby extending its operational lifespan.

1. 1. 1. Container

For streamlined transportation, two open-top containers are provided. One container securely houses the top drive body, while the other accommodates the guide rail and cable assembly, ensuring efficient logistics and safeguarding components during transit.

Electrical Control System

The top drive's electrical control system is a cutting-edge integration of the main control system, an advanced electrical control room, a driller's console, and a suite of cables including power, auxiliary, composite control, power supply, and grounding cables, all meticulously organized for optimal functionality. console cable, and grounding cable, forming a comprehensive network for seamless operational control.
Equipped with an AC asynchronous induction motor, the top drive delivers robust drilling power, utilizing an AC frequency conversion drive mode for enhanced performance and efficiency.

1. 1. 1. Main Control System

The electrical control system is state-of-the-art, featuring an ABB ACS880 AC frequency conversion speed regulating device, a programmable logic controller (PLC), and an auxiliary control unit. With robust self-diagnosis, protection, and anti-harmonic interference functions, it ensures flawless electrical control throughout the top drive's operation.
The system employs Siemens' Simatic S7-1500 series PLC, expertly controlled via the ProfiBus-DP bus, to facilitate precise system operating parameter settings and comprehensive hardware and software status detection.
Both the main control system and driller console are controlled by the ProfiBus bus, offering strong anti-interference capabilities, precise and reliable control, and ease of on-site use, installation, debugging, and maintenance.
The auxiliary control unit shares its cabinet with the PLC, utilizing Siemens electric components to ensure consistent quality and performance.
A state-of-the-art IPC system is deployed to display comprehensive top drive operation parameters, system settings, alarm records, action screens, data curves, maintenance information, and network topology functions.
The main control cabinet includes two reserved analog output interfaces of 4 ~ 20 mA or 0~10V specifically for torque and speed logging signals, ensuring precise data monitoring.
Networking capabilities are enhanced with a reserved interface that facilitates optional field connections to wireless or mobile networks, enabling efficient remote data transmission for the top drive.

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

Within the electrical control room, the electric drive and control system cabinets are securely consolidated, providing a reliable installation and facilitating convenient maintenance.
The VFD room is outfitted with air conditioning equipment to maintain an optimal temperature range of 25ºC -30ºC, ensuring system stability and performance.
The interior of the control room is crafted from plastic spray steel plates, with strategically positioned interface ports for seamless integration with external cables, ensuring both durability and functionality in its design, making it a paragon of efficiency and style.
The electric control room comes fully equipped with an external 380V emergency power interface. This essential feature allows for makeup, breakout, and low-speed operation even in special situations. The power supply requirement is no less than 200KW, ensuring robust and reliable performance.

1. 1. 1. Driller Console

Positioned perfectly within the driller house, a single set of the driller console is ready for seamless installation and fixation. This setup grants meticulous operation and control over the top drive, ensuring precision and efficiency.
Encapsulated within a stainless steel shell, the driller console boasts a sealing structure with a positive pressure explosion-proof design. The explosion-proof device includes a pressure release valve valve, an air and water separator, joints, interface, filters, and more. In instances of abnormal air pressure within the box, the sound and light alarms are triggered, complemented by the appropriate indicator light on the console's panel, ensuring swift response and safety.
It features comprehensive functions such as torque limit, elevator link tilt, backup tong operation, brake operation, IBOP operation, emergency stop, and drilling operation. Essential operation indicators and instruments are thoughtfully included to enhance operational fluidity.
All necessary switches, indicators, installation fittings, and connectors required for top drive operation are meticulously configured.
The console panel hosts a 9-inch LCD screen, offering a clear display of the working state, fault conditions, and other operational states of the top drive, thus providing intuitive monitoring.

1. 1. 1. Power Service Loop

A standard power service loop is incorporated, ensuring a seamless power supply to the main motor.
A terminal rack is adeptly mounted on the derrick to secure the power loop, providing stability and organization.
Compliant with ZR specifications, this cable is tailored for domestic offshore drilling applications.
The power cable stretches a generous 70m and features
explosion-proof connectors, classified at level Exd IIC T5, prioritizing safety and reliability.

1. 1. 1. Auxiliary and Control Service Loop

An auxiliary and control service loop is also equipped, with its length harmonized perfectly with the power service loop.
Measuring 70m in length,
it includes explosion-proof connectors, ensuring a level Exd IIC T5 classification for uncompromised safety.

1. 1. 1. Power Supply Cable

This set of power supply cables is designed to connect the generator to the electrical control room. With a length of 35m and a voltage of 0.6/1KV, connections are made using standard wire lug connections, providing a robust and secure connection.

1. 1. 1. Control Cable of Driller Console

A dedicated control cable set is meticulously configured to facilitate power supply and communication between the driller console and the CPU, stretching an impressive 70m to cover all needs.

1. 1. 1. Grounding Cable

The grounding cable assembly is expertly configured with domestically made cable, featuring 1.5m galvanized grounding rods (2 pcs) and a total length of 5m (2 pcs), ensuring safety and grounding integrity.

Hydraulic Control System

Integrated within the top drive body, the hydraulic system features a comprehensive ensemble of hydraulic source, main control valve set, actuator, auxiliary parts, and oil radiator, all engineered for optimal performance.

1. 1. 1. Hydraulic Source

The hydraulic source's pump is an inclined axial plunger variable design, perfect for hydrostatic transmission in open circuits. Its flow is directly proportional to drive speed and displacement, allowing for seamless stepless adjustment via the inclined plate angle. The dual oil outlets on the shell are designed with exceptional oil-sucking characteristics, reduced noise levels, and enhanced longevity, while its drive shaft is built to withstand axial and radial loads, ensuring durability and robust performance.
The hydraulic source's electrical circuit system incorporates explosion-proof design elements. Both the electrical control box and motor are crafted from explosion-proof components, guaranteeing maximum safety.
Dive into the core functionalities of our advanced hydraulic system, where the main technical parameters ensure seamless operation:
Experience unmatched efficiency with the system's rated working pressure: 14 MPa, delivering optimized performance under all conditions.
The hydraulic pump operates at a highly efficient rated flow rate: 16 mL/r, ensuring smooth and reliable operations.

1. 1. 1. Hydraulic Valve Manifold

Our meticulously crafted hydraulic manifold comes complete with premium plug valves featuring WANDFLUH hydraulic components, complemented by cutting-edge solenoid valves. These solenoid valves also incorporate the superior engineering of WANDFLUH Company.
The hydraulic control valves boast an innovative plug-in design, ensuring robustness, while the solenoid reversing valves are explosion-proof, offering unparalleled safety. The specifics include:
First Line: The counterbalance system manages the oil circuit with precision, featuring a pressure relief overflow valve, hydraulic control check valve, throttle valve, and accumulator. It expertly balances the body weight, safeguarding threads during joint makeup and breakout. The pressure relief overflow valve fine-tunes the working pressure for optimal body weight support; the accumulator provides buffering, shock absorption, and pressure protection. A safety overflow valve set at 17MPa safeguards against impact loads, ensuring the hydraulic cylinder's protection.
Second Line: The main motor brake oil circuit is composed of high-performance EX solenoid reversing valves, ensuring precision control.
Third Line: The rotating head motor's oil circuit features an explosion-proof solenoid reversing valve and a pressure regulating valve. Enhanced with a hard alloy damping hole, it guarantees extended service life.
Fourth Line: The remote control internal blowout preventer's (IBOP) oil circuit is expertly managed by explosion-proof solenoid reversing valves.
Fifth Line: The back-up tong control oil circuit is secured with explosion-proof solenoid reversing valves and equipped with a state-of-the-art pressure sensor for enhanced performance.
Sixth Line: The tilt system's oil circuit, crafted with explosion-proof solenoid reversing valves and throttle check valves, offers unparalleled flexibility, allowing the elevator link to remain stationary or swing as required.
Each oil circuit is meticulously integrated with pressure detection points to monitor working pressure seamlessly. Additionally, air discharge from oil circuits and cylinders ensures smooth system functionality.

1. 1. 1. Hydraulic Actuator

The hydraulic actuator is composed of the following high-performance 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).

1. 1. 1. Hydraulic Auxiliary Components

Our hydraulic auxiliary components feature accumulators, filters, and an oil tank, each playing a crucial role in system efficiency.
Accumulators are categorized into brake accumulators and balance accumulators, providing tailored support.
Filters are systematically divided into oil filters, high-pressure filters, oil return filters, and air filters, ensuring pristine system integrity.
A strategically positioned upper-mounted oil tank stores essential hydraulic oil, offering both cooling and optimal operational conditions.

1. 1. 1. Radiator

Our radiator, strategically situated at the cooling blower's air inlet, utilizes the main motor to forcibly cool the hydraulic oil, thereby guaranteeing extended service life and unwavering system stability.