China 350 Ton Top Drive with 800kw AC Motor for 5000 M Oil and Gas 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 is a revolutionary drilling technology that employs a suspended motor-either electric or hydraulic-to deliver the essential torque required for the rotation of the drill string. This cutting-edge system supersedes the traditional rotary table and kelly drive methods, presenting numerous advantages including enhanced drilling efficiency, minimized manual labor, and heightened safety.

Presenting the VSP's ingeniously crafted DQ50-BQ, a product of meticulous upgrades in numerous components based on the conventional top drive system. Its competitive edge lies in a sleek, compact design that packs a punch with greater 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

This state-of-the-art mechanical system comprises a primary motor system, an efficient air cooling system, an advanced brake system, a robust gear box, a wash pipe assembly, a rotating head mechanism, a tilt mechanism, a back-up tong mechanism, an internal blowout prevention mechanism (IBOP), a guide rail and carriage mechanism, all housed within a protective container, ensuring seamless operation.
The top drive is powered by a pioneering AC frequency conversion asynchronous motor, enabling it to achieve revolutionary AC frequency conversion drive.

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

The main motor is uniquely designed as a single top drive special AC frequency conversion asynchronous motor, boasting a commendable power of 290KW. Key technical parameters include:
Rated Voltage 600VAC
Rated Frequency 61Hz
Rated Current 365A
The main motor is innovatively equipped with a heater and an explosion-proof wind pressure switch for optimal performance.
The main motor employs a sophisticated forced air-cooling mode to maintain peak performance.
The air-cooling motor features: voltage 380VAC / 50Hz, power 4kW, insulation grade F, and protection grade IP55, ensuring explosion-proof safety. Level ExdIICT4, with a substantial wind capacity not less than 70 m3/min and air pressure of 203mm water column.

1. 1. 1. Brake System

The top drive's main motor is ingeniously integrated with a specialized hydraulic disc brake device, essential for assisting drill string orientation during directional inclined drilling operations.
The disc brake device is expertly installed at the upper extension end of the motor shaft, incorporating a pair of Swedish DELLNER cylinders connected by a durable hard pipeline. When the main motor speed is reduced to 3rpm, the friction forces exerted on the brake disc via the brake cylinder realize the braking function effectively.

1. 1. 1. Gear Box

To amplify the output torque of the top drive motor, while minimizing motor volume and enhancing performance, an advanced gearbox is incorporated.
The gearbox features involute hard tooth surface gears with secondary bevel gears for stable transmission, boasting a transmission ratio of 11.91:1. Lubrication is achieved through a combined method of splash lubrication and forced lubrication via oil pump circulation, ensuring smooth operation.

1. 1. 1. Gooseneck Assembly

The gooseneck is innovatively crafted for well logging, utilizing corrosion-resistant liners and nuts during drilling to seal the upper high-pressure mud pipeline, effectively preventing mud overflow.
One end of the gooseneck connects seamlessly with the wash pipe assembly. Designed for super high pressure, it's integral to sealing high-pressure mud, adopting a self-sealing and rapid disassembly structure. When wear necessitates replacement of the wash pipe and packing, simply remove the cover of the upper and lower packing to effortlessly detach the entire device without needing to remove the gooseneck and mud hose, streamlining the process of pausing drilling to replace components at any stage during the drilling process, ensuring maximum efficiency and minimal downtime.
The opposite end of the gooseneck boasts a seamless connection with the mud hose, utilizing a robust 4-inch female interface. This reliable union is equipped with Fig1003 threading for secure attachment.
A cutting-edge mud prevention device is strategically installed between the main shaft and the wash pipe, ensuring optimal performance and compliance with site operation standards.

1. 1. 1. Rotating Head

Our system includes a state-of-the-art rotating head that operates independently of the main shaft, with the elevator links elegantly suspended on the link adaptor. The ingenious design allows for smooth suspension of the elevator links via the link adaptor.
Embrace the power of our worm gear transmission structure, delivering smooth and efficient drives.
The versatile rotating head effortlessly supports 360° rotation both clockwise and counterclockwise, ingeniously driving the elevator link and elevator in sync. This feature empowers seamless handling of single pipes in the mouse hole and triple stems on the monkey board. on the monkey board, enhancing operational efficiency.
Our rotating head is powered by an advanced hydraulic motor system, featuring the reliable Danfoss cycloid motor. Experience a speed range of 2 to 5 r/min for precise control.

1. 1. 1. Tilt System

The tilt cylinder is engineered to masterfully maneuver the elevator link, achieving forward and backward tilts. The forward tilt function extends the elevator to reach the mouse hole and monkey board effortlessly. During drilling operations, employ the backward tilt function to position the lower end surface of the backup tong close to the drilling platform, maximizing the utilization of the drilling tool.
Leverage a tilt range optimized for the length of the elevator link, featuring an impressive 30° forward angle and an adjustable 55° backward tilt angle.
Note: For configurations requiring different length links, please liaise with our sales team for tailored solutions.
Our hydraulic system includes an innovative 'middle' setting within the tilt mechanism, allowing the elevator link to revert to a free swing state. This feature is designed to mitigate pressure impact on the hydraulic system.

1. 1. 1. Counterbalance System

Our suspension bail counterbalance system forms a critical component of the top drive system. It connects with the gearbox via a pin shaft and is suspended on the hook or traveling block. The innovative design, featuring a dual hydraulic cylinder with internal force balance, ensures unmatched safety and reliability by eliminating the need for additional devices.

1. 1. 1. Back Up Tong Assembly

Our assembly includes a precision-engineered L-type backup tong assy, incorporating a motor and cylinder to manage clamping, releasing, makeup, and breakout operations seamlessly. It enables connecting and removing the saver sub without the hassle of disassembling the tong body, thus streamlining drilling operations. A comprehensive pipe handling device is integrated with the tilt mechanism and rotating head, significantly boosting efficiency in makeup and breakout operations, and optimizing drilling tool layout while minimizing labor intensity and operational risks.
Compatible drill pipe range: 85-187mm

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

Showcasing a meticulously integrated structure featuring both manual and remote control double ball valves, the main technical parameters stand out as follows:
Working Pressure 70 MPa
Thread Type 6-5/8" API REG × 6-5/8" API REG
Outer Diameter (O.D.) Φ187mm
Inner Diameter (I.D.) 3
The actuator of the remote control IBOP is an engineering marvel, featuring a pair of hydraulic cylinders, an IBOP sliding sleeve, and a precision gear system. Its design ensures flawless operation and durability. The dynamic connection between the sleeve and sliding sleeve employs a roller mechanism, ensuring synchronized axial movement for seamless performance. Effortlessly synchronized with the main shaft's rotation, the drive wrench offers exemplary control to open and close the manual IBOP, enhancing operational efficiency.
This robust function allows for the rapid closure of the IBOP, instantly responding to well kick situations or blow-outs, thus securing well control safety with utmost reliability.
The innovative gear rack and cam gear driving the IBOP sliding sleeve significantly boost reliability and performance.

1. 1. 1. Guide Rail and Carriage

The folding guide rail assembly is meticulously crafted, featuring multiple guide rail sections, secure connections, a crown block support, an adjustable beam assembly, and comprehensive installation accessories, ensuring robust installation.
Benefitting from a folding design, this setup ensures rapid and hassle-free site installation.
The carriage and guide rail incorporate a sophisticated pulley structure for optimal friction management.
The advanced pulley system, with its double-side cam follower structure, ensures even distribution of stress across each roller, thereby extending their lifespan.

1. 1. 1. Container

For streamlined transport, two open-top containers are utilized: one cradles the top drive body, while the other houses the guide rail and cable assembly.

Electrical Control System

The top drive electrical control system is comprehensive, featuring a main control system, an electrical control room, a driller's console, along with power, auxiliary, composite control, and grounding cables, ensuring synchronized operations. console cable, grounding cable, etc.
Equipped with an AC asynchronous induction motor, the top drive is a powerhouse, leveraging AC frequency conversion for optimal drilling power.

1. 1. 1. Main Control System

The electrical control system, enhanced with an ABB ACS880 AC frequency conversion speed regulating device, a programmable logic controller (PLC), and auxiliary control unit, boasts advanced self-diagnostic, protective, and anti-harmonic interference capabilities, ensuring flawless operation of the top drive.
The integration of Siemens' Simatic S7-1500 series PLC, managed via the ProfiBus-DP bus, facilitates precise system parameter configuration and comprehensive hardware/software status monitoring.
The main control system, along with the driller console, uses the ProfiBus bus for robust anti-interference, precise control, and ease of on-site setup, debugging, and maintenance.
Sharing the cabinet with the PLC, the auxiliary control unit incorporates Siemens electrical components, ensuring seamless operations.
An integrated IPC system is at your service, showcasing the top drive's operational parameters, system configurations, alarms, operational displays, data curves, maintenance records, and network topology.
The main control cabinet is thoughtfully equipped with dual analog output interfaces (4~20 mA or 0~10V) for torque and speed logging, enhancing monitoring capabilities.
The reserved networking interface is a gateway for seamless field connections, facilitating wireless or mobile network integration for remote top drive data transmission.

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

Housed in a centralized electrical control room, the electric drive and control system cabinets are securely installed for hassle-free maintenance.
The VFD room is climate-controlled with air conditioning, maintaining an ideal temperature range of 25ºC - 30ºC for optimal equipment performance.
The interior decor of the control room is crafted from durable plastic spray steel plates, and the walls are equipped with interfaces for seamless external cable connections.
The electric control room, elegantly equipped with an external 380V emergency power interface, ensures seamless operations by enabling makeup, breakout, and low-speed operations even during special circumstances, provided the power supply remains above 200KW. This guarantees reliability and efficiency in critical situations.

1. 1. 1. Driller Console

A single, state-of-the-art driller console can be strategically installed and securely fixed within the driller house, facilitating the seamless operation and control of the top drive system.
Crafted with precision, the driller console boasts a robust sealing structure encased in a stainless steel shell. The design incorporates a positive pressure explosion-proof mechanism, ensuring maximum safety. The explosion-proof device is comprehensive, featuring a pressure release valve, air and water separator, joints, interface, filters, and more. In the event of abnormal air pressure within the box, immediate sound and light alarms are activated, coupled with indicator lights strategically placed on the console panel.
It encompasses a broad spectrum of functionalities such as torque limit, elevator link tilt, backup tong operation, brake operation, IBOP operation, emergency stop, drilling operation, alongside essential operation indicators and instruments.
Switches, indicators, installing fittings, and connectors, meticulously configured to meet the operational demands of the top drive, are all seamlessly integrated.
The console panel is outfitted with an impressive 9-inch LCD screen, which delivers real-time insights into the working state, faults, and various other operational states of the top drive, enhancing operational transparency and efficiency.

1. 1. 1. Power Service Loop

A standard set of power service loop is meticulously provided to supply power to the main motor,
along with a terminal rack installed on the derrick for fixing the power loop,
adhering to ZR specifications for domestic offshore drilling, ensuring compliance and safety.
Power Cable Length: 70m;
featuring explosion-proof connectors, certified to level Exd IIC T5 for enhanced safety.

1. 1. 1. Auxiliary and Control Service Loop

A dedicated set of auxiliary and control service loop is provided, with a length precisely matching that of the power service loop,
spanning 70m;
incorporating explosion-proof connectors, level Exd IIC T5 for optimal safety and performance.

1. 1. 1. Power Supply Cable

An expertly equipped set of power supply cable connects the generator with the electrical control room, featuring a length of 35m, voltage capability of 0.6/1KV, employing the standard wire lug connection for secure power delivery.

1. 1. 1. Control Cable of Driller Console

A comprehensive control cable set is configured to ensure power supply and seamless communication between the driller console and the CPU, extending elegantly over 70 m.

1. 1. 1. Grounding Cable

A meticulously configured grounding cable assembly is provided, utilizing domestically produced cable, inclusive of two 1.5 m galvanized grounding rods, offering a total length of 5 m (2 pcs) for robust grounding.

Hydraulic Control System

Beautifully integrated within the top drive body, the hydraulic control system comprises a hydraulic source, main control valve set, actuator, auxiliary parts, and a hydraulic oil radiator, ensuring unmatched power and precision.

1. 1. 1. Hydraulic Source

The hydraulic pump, a marvel of engineering, features an inclined axial plunger variable pump, perfectly suited for hydrostatic transmission in open circuits. Its flow is directly proportional to drive speed and displacement, allowing for stepless adjustment via the inclined plate angle. The dual oil outlets on the shell are designed for superior oil sucking capabilities, reduced noise, and extended service life, with a drive shaft capable of enduring both axial and radial loads, ensuring longevity and reliability.
The hydraulic source's electrical circuit system is innovatively crafted with an explosion-proof design, featuring explosion-proof components for the electrical control box and motor, ensuring unparalleled safety and performance.
Delve into the essential technical parameters of our state-of-the-art hydraulic system:
System's rated working pressure: A robust 14 MPa
Hydraulic pump's rated flow rate: 16 mL/r

1. 1. 1. Hydraulic Valve Manifold

Equipped with a top-tier hydraulic manifold, utilizing the renowned WANDFLUH hydraulic components for the plug valves, and the solenoid valves are also powered by the acclaimed WANDFLUH Company.
The hydraulic control valves feature an innovative plug-in design, and the solenoid reversing valves are built to be explosion-proof, ensuring superior safety and performance. The detailed configuration includes:
First line: The counterbalance system expertly manages the oil circuit, featuring a pressure relief overflow valve, hydraulic control check valve, throttle valve, and accumulator. This system efficiently balances the body weight, safeguarding threads during joint makeup and breakout. The pressure relief overflow valve adjusts balance cylinder pressure to accommodate the body's weight, while the accumulator provides buffering, shock absorption, and pressure protection. A safety overflow valve with a 17MPa setting on the balance cylinder prevents impact load, preserving the hydraulic cylinder.
Second line: The primary motor brake oil circuit, composed of EX solenoid reversing valves, ensures precise control.
Third line: The motor's rotating head oil circuit, featuring an explosion-proof solenoid reversing valve and a pressure regulating valve. The solenoid valve's damping hole, crafted from hard alloy, significantly enhances longevity.
Fourth line: The remote control internal blowout preventer (IBOP) oil circuit relies on explosion-proof solenoid reversing valves for optimal safety.
Fifth line: The back-up tong control oil circuit. Incorporates explosion-proof solenoid reversing valves and is enhanced with a pressure sensor for superior functionality.
Sixth line: The Tilt system oil circuit is comprised of explosion-proof solenoid reversing valves, throttle check valves, and additional components. The solenoid valve functions as a reverser, while the throttle check valve maintains the elevator link in any desired position, allowing for a dynamic swing state when centered.
Each oil circuit is meticulously equipped with pressure detection points to continuously monitor working pressure. These points also facilitate the discharge of air from the oil circuits and cylinders, ensuring smooth and efficient system operation.

1. 1. 1. Hydraulic Actuator

The hydraulic actuator is comprised of the following essential components:
Counterbalance Cylinder(2 ea), Break Cylinder(2 ea), Rotating head Drive Motor (1 ea), IBOP actuator Cylinder(2 ea), Back-up Tong Cylinder(1 ea), Tilt Cylinder(2 ea).

1. 1. 1. Hydraulic Auxiliary Components

The hydraulic auxiliary components feature accumulators, filters, and an oil tank, among others, for unmatched support.
Accumulators are expertly classified into brake accumulators and balance accumulators for tailored functionality.
Filters are meticulously categorized into oil filters, high-pressure filters, oil return filters, and air filters for comprehensive protection.
A strategically upper-mounted oil tank stores essential hydraulic oil for system operation and efficiently dissipates heat to maintain system integrity.

1. 1. 1. Radiator

Our radiator is strategically positioned at the cooling blower's air inlet. The main motor actively cools the hydraulic oil, ensuring the system's longevity and unwavering stability.