Dq50-Bq High-Performance 350 Ton / 5000m Top Drive with Quality Certificate and Training for Oil 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 revolutionary leap in drilling technology, utilizing a suspended motor-either electric or hydraulic-to deliver the essential torque for drill string rotation. This cutting-edge system replaces the traditional rotary table and kelly drive methods, presenting substantial benefits such as enhanced drilling efficiency, minimized manual labor, and a significant boost in operational safety.

VSP's newly engineered DQ50-BQ epitomizes innovation with upgrades across its components, building upon the conventional top drive system. Its competitive edge lies in its compact size, yet it boasts increased torque and heightened operational efficiency, setting a new standard in performance.

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 setup is an intricate assembly comprising the main motor system, a robust air cooling system, a reliable brake system, gear box, wash pipe assembly, rotating head and tilt mechanisms, back-up tong mechanism, an internal blowout prevention mechanism (IBOP), as well as the guide rail and carriage mechanism, all housed within a durable container.
This top drive is powered by an advanced AC frequency conversion asynchronous motor, ensuring seamless AC frequency conversion drive.

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

The heart of the system is a specialized AC frequency conversion asynchronous motor dedicated to the top drive, boasting a powerful 290KW. The main technical specifications include:
Rated Voltage 600VAC
Rated Frequency 61Hz
Rated Current 365A
The main motor is equipped with an efficient heater and an explosion-proof wind pressure switch for enhanced safety.
The main motor utilizes a forced air-cooling mode for optimal performance.
The air-cooling motor features: voltage 380VAC / 50Hz, power 4kW, insulation grade F, protection grade IP55, and is explosion-proof. Level ExdIICT4 specifies a wind capacity of no less than 70 m3/min, with an air pressure of 203mm water column, ensuring robust ventilation.

1. 1. 1. Brake System

The top drive's main motor is complemented by an exclusive hydraulic disc brake device, expertly assisting with drill string orientation during directional inclined drilling operations.
The disc brake system, mounted at the motor shaft's upper extension, utilizes Swedish DELLNER cylinders connected by a specially hardened pipeline. Known for their durability, they leverage friction on the brake disc to achieve motor braking when the motor speed reduces to 3rpm.

1. 1. 1. Gear Box

To augment the output torque of the top drive motor and refine the motor's performance, a cutting-edge gear box is incorporated.
The gear box features involute hard tooth surface gear paired with a secondary bevel gear for stable transmission, boasting a transmission ratio of 11.91:1. Lubrication within the box is achieved through a hybrid of splash lubrication and forced lubrication via an oil pump circulation system.

1. 1. 1. Gooseneck Assembly

The gooseneck is meticulously crafted for well logging. During drilling, corrosion-resistant liners and nuts efficiently block the upper high-pressure mud pipeline, preventing mud overflow.
One end of the gooseneck connects to the wash pipe assembly, a super high-pressure structure crucial for sealing high-pressure mud. This assembly features self-sealing mechanisms and a rapid disassembly design. When the wash pipe and packing suffer wear and require replacement, you simply open the upper and lower packing covers to remove the entire unit without detaching the gooseneck and the mud hose. This facilitates easy drilling stoppages for replacements at any moment during the drilling operation.
The distal end of the gooseneck seamlessly connects with the robust mud hose, establishing a secure 4-inch female bond that ensures optimal performance in rigorous drilling conditions. This connection utilizes a Fig1003 thread type, known for its resilience and reliability in the most demanding environments.
A meticulously designed mud prevention device is strategically installed at the nexus between the main shaft and the wash pipe, effectively meeting the diverse demands of on-site operations.

1. 1. 1. Rotating Head

A sophisticated rotating head system is meticulously configured to operate independently of the main shaft, allowing the elevator links to maintain seamless motion. These links are expertly suspended on the robust link adaptor, ensuring stability and precision during operation.
Harnessing a cutting-edge worm gear transmission structure, the system promises smooth and efficient operation with unparalleled accuracy.
The rotating head is engineered to rotate effortlessly in both clockwise and counterclockwise directions, performing a full 360° rotation. This capability enables synchronized movement with the elevator link and elevator, efficiently managing the single pipe in the mouse hole and the triple stem on the monkey board, enhancing operational effectiveness.
A state-of-the-art hydraulic motor system, powered by the acclaimed Danfoss cycloid motor, drives the rotating head with a speed range of 2 to 5 r/min.

1. 1. 1. Tilt System

The tilt cylinder ingeniously facilitates the swing of the elevator link, enabling both forward and backward tilting. The forward tilt extends the elevator to reach the mouse hole and monkey board with precision. During drilling, the backward tilt positions the lower end surface of the backup tong close to the drilling platform, maximizing the utility of the drilling tool with finesse.
The tilt range, intricately linked to the length of the elevator link, boasts a customizable forward angle of 30° and a backward tilt angle of 55°, ensuring adaptability to various drilling scenarios.
Note: For customized link lengths, please coordinate with our sales team to tailor the solution to your specific requirements.
The hydraulic system includes a strategic 'middle' setting in the tilt mechanism, allowing the elevator link to return to a free swing state, effectively preventing undue pressure on the hydraulic system and ensuring smooth operation.

1. 1. 1. Counterbalance System

The suspension bail counterbalance system is a vital component of the top drive system. The bail, securely connected to the gearbox via the pin shaft, is suspended from the hook or traveling block, balancing the body weight. Shandong Vs Petroleum Technology's top drive utilizes an innovative double hydraulic cylinder with an internal force balance mode, requiring no additional devices, thereby enhancing the system's safety and reliability in operation.

1. 1. 1. Back Up Tong Assembly

Featuring a robust L-type backup tong assembly, the system employs an advanced motor and cylinder mechanism to effortlessly clamp, release, makeup, and breakout, streamlining the connection and removal of the saver sub without requiring tong body disassembly. This comprehensive pipe handling device integrates seamlessly with the tilt mechanism and rotating head, optimizing the efficiency of makeup and breakout operations and drilling tool layout, significantly reducing labor intensity and enhancing safety for the workforce.
Applicable drill pipe range: 85-187mm, ensuring versatility across a wide spectrum of drilling operations.

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

Designed as a sophisticated integrated structure featuring both manual and remote control double ball valves, offering the following key technical specifications:
Working Pressure 70 MPa, ensuring robust performance under high-pressure conditions.
Thread Type 6-5/8" API REG × 6-5/8" API REG, ensuring compatibility with industry standards.
O.D. Φ187mm, designed for precision and reliability in diverse applications.
I.D. 3
The actuator of the remote control IBOP is a marvel of engineering, consisting of a pair of hydraulic cylinders, an IBOP sliding sleeve, gear, and more. The connection type between the cylinder and the sliding sleeve is a roller touch design, ensuring the axial relative movement of the sleeve occurs simultaneously with the rotation of the main shaft. Additionally, the drive wrench adeptly facilitates the opening and closing of the manual IBOP, offering dependable performance.
This feature can swiftly secure the IBOP, effectively controlling situations like a well kick or blow-out, thereby guaranteeing well control safety and peace of mind.
The IBOP sliding sleeve is ingeniously driven using a gear rack and cam gear, enhancing reliability and efficiency.

1. 1. 1. Guide Rail and Carriage

An innovative folding guide rail assembly is crafted, including multi-section guide rails, secure connections, crown block support, adjustment beam assembly, and essential installation accessories for seamless setup.
Thanks to the folding type design, the on-site installation is both rapid and highly convenient.
The friction type between the carriage and the guide rail features a sophisticated pulley structure.
This pulley uses a double-side cam follower structure, ensuring each roller is evenly stressed, thereby extending its lifespan significantly.

1. 1. 1. Container

For streamlined transportation, two (open top) containers are included: one houses the top drive body, while the other accommodates the guide rail and cable assembly,

Electrical Control System

The top drive electrical control system is comprehensive, featuring a main control system, a dedicated electrical control room, driller's console, power cable, auxiliary and composite control cable, power supply cable, and driller's console cable, grounding cable, and more for total operational confidence.
Powering the top drive is an AC asynchronous induction motor, delivering robust drilling power through an advanced AC frequency conversion drive mode.

1. 1. 1. Main Control System

A state-of-the-art electrical control system is installed, utilizing the ABB ACS880 AC frequency conversion speed regulating device, programmable logic controller (PLC), auxiliary control unit, complete with self-diagnosis, protection, and anti-harmonic interference functions, executing all electrical control functions with unparalleled precision.
The advanced Simatic S7-1500 series PLC by Siemens, controlled by the ProfiBus-DP bus, ensures meticulous system operating parameter settings and hardware and software status detection.
The main control system and driller console are expertly managed via the ProfiBus bus, offering powerful anti-interference capability, precise and reliable control, and ease of on-site use, installation, debugging, and maintenance.
The auxiliary control unit shares a cabinet with the PLC, incorporating high-quality Siemens electric components for optimal performance.
A comprehensive IPC system is provided, displaying top drive operation parameters, system settings, alarm records, action screens, data curves, maintenance information, and network topology functions with clarity.
The main control cabinet includes two reserved analog output interfaces (4 ~ 20 mA or 0~10V) for torque and speed logging signals, ensuring thorough monitoring.
A reserved networking interface enables optional field connections via wireless or mobile networks, facilitating top drive remote data transmission seamlessly.

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

The electric drive and control system cabinets are centrally located in the robust electrical control room, ensuring stable installation and convenient maintenance.
The VFD room features air conditioning equipment, meticulously maintaining the temperature between 25ºC - 30ºC for optimal equipment operation.
The interior decoration material The control room boasts a sleek design with its durable plastic spray steel plate construction. Strategically designed, the walls are equipped with interface ports that seamlessly connect with external cables, ensuring optimal functionality and integration.
In the realm of innovation, the electric control room is primed with a robust 380V emergency power interface. This powerhouse feature facilitates versatile operations including makeup, breakout, and low-speed maneuvering, even in special circumstances. With a power provision requirement of no less than 200KW, it's engineered for excellence.

1. 1. 1. Driller Console

For unmatched control and precision, a single set of the driller console is expertly installed and securely fixed inside the driller house, providing seamless operation and control of the top drive.
Crafted with attention to detail, the driller console features a sealing structure housed in a resilient stainless steel shell. Its design integrates a state-of-the-art positive pressure explosion-proof mechanism, ensuring safety and reliability. The explosion-proof device includes a sophisticated pressure release valve, along with an air and water separator, joints, interfaces, and filters. In the event of abnormal air pressure, the system's comprehensive sound and light alarms activate together with corresponding indicator lights on the console panel, providing immediate alerts.
This system is equipped with an array of advanced functions including torque limit, elevator link tilt, backup tong operation, brake operation, IBOP operation, emergency stop, and drilling operation, complemented by essential operation indicators and instruments for a seamless and efficient workflow.
The console is meticulously designed with all necessary switches, indicators, fittings, and connectors required for the seamless operation of the top drive, ensuring comprehensive functionality.
The console panel dazzles with a 9-inch LCD screen that vividly displays the top drive's working state, alerts users to potential faults, and showcases other vital operational states, providing comprehensive oversight and control.

1. 1. 1. Power Service Loop

A standard power service loop is poised, ready to supply power to the main motor with assured efficiency and reliability.
To ensure stability and optimal performance, a terminal rack is strategically positioned on the derrick for secure power loop fixation.
The loop's cable adheres to stringent ZR specifications, perfectly tailored for domestic offshore drilling applications.
Power Cable Length: 70m;
featured with high-grade explosion-proof connectors, meeting level Exd IIC T5 standards for enhanced safety.

1. 1. 1. Auxiliary and Control Service Loop

A complementary auxiliary and control service loop is furnished, precisely matching the length specifications of the power service loop to ensure cohesive operation.
Measuring an impressive 70m in length;
it is outfitted with explosion-proof connectors, also at level Exd IIC T5 for uncompromised safety.

1. 1. 1. Power Supply Cable

The setup is fortified with a power supply cable set to connect the generator and the electrical control room. Spanning a length of 35m, the cable supports a robust voltage of 0.6/1KV, employing standard wire lug connections for seamless integration.

1. 1. 1. Control Cable of Driller Console

To facilitate uninterrupted power supply and communication between the driller console and the CPU, a control cable set is meticulously configured, extending to 70m in length.

1. 1. 1. Grounding Cable

A grounding cable assembly is strategically configured, utilizing domestically sourced cable, inclusive of two 1.5m galvanized grounding rods, each set at a length of 5m, ensuring robust and reliable grounding.

Hydraulic Control System

Ingeniously integrated within the top drive body, the hydraulic system comprises a state-of-the-art hydraulic source, main control valve set, hydraulic actuator, auxiliary components, and a hydraulic oil radiator, delivering unparalleled performance.

1. 1. 1. Hydraulic Source

The hydraulic source, featuring an inclined axial plunger variable pump, is designed for hydrostatic transmission within an open circuit. The flow rate is expertly matched to the drive speed and displacement, with a stepless adjustment capability via the inclined plate angle. The two oil outlets on the shell boast exceptional oil suction capabilities, low noise emissions, and an extended lifespan, while the durable drive shaft is engineered to endure axial and radial loads, enhancing overall system longevity.
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.