Dq50-Bq 350 Ton Top Drive for 5000m Oil and Gas Well Drilling: Quality Certificate and Free Operation Training Offered

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

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

1. 1. Typical Parameter

Items	Data	(British System)
Nominal drilling depth (114mm drill pipe)	5000m
Rated Load capacity	3150 KN	350 ton
Working height (3.3m elevator link)	6600mm	21.56 ft
Rated continuous output torque	70 KN.m	4792.2 lb.ft
Max. Torque of breakout	100 KN.m	6846 lb.ft
Static maximum brake torque	70 KN.m	4792.2 lb.ft
Speed range of main shaft (stepless adjustable)	0~220 r/min
Drill pipe range of back-up tong clamping	85-220mm
Max bore hole of back up tong	200 mm	7.87 in
Mud circulation	64 mm	2.5 in
Rated pressure of the mud circulation	35/52 MPa	5000/7500 Psi
Rotation angle of rotating head	0-360°
Speed of rotating head	2~5r/min
Max.tilt angle of elevator link	Forward 30°, backward 55°
IBOP(double ball valves )	Φ187  6-5/8 REG  70MPa
Saver Sub ( standard )	Φ187  6-5/8 REG  NC50
Working Pressure of hydraulic system	0~14Mpa	0~2280 Psi
Voltage of EX solenoid valves	24 VDC
Rated Power of Main motor	800 KW	1073 HP
Rated Speed of Main motor	1200 r/min
Rated Torque of Main motor	2308 N·m	1702.29 lb.ft
Rated Voltage of Main motor	600 VAC
Rated frequency of Main motor	61 Hz
Rated current of Main motor	365 A
Max. speed of Main motor	2400 r/min
Electricity of VFD room	600 VAC/50Hz
Suitable ambient temperature	-45ºC~55ºC
Altitude	≤1,200 m	≤3,937ft
Distance between center of main shaft and center of guide rail	532.5mm	1.747ft
Incoming wire voltage of VFD room	575~625 VAC
Incoming wire frequency of VFD room	47~53 Hz

1. 1. Outline dimension and weight

Items	Data
Weight of Main body	12t
Weight of Main body (include transportation frame and one section of guide rail)	15 t
Length of guide rail ( standard 5 sections)	3900mm+4000mm*4+4868mm=24768mm
Weight of guide rail	5t
Weight of VFD room	9.2t
Dimension of VFD Room	5900mm*1740mm*1615mm
Dimension of driller console	870 mm×350 mm×300 mm
Weight of driller console	30kg

Mechanical system

The mechanical system is composed of main motor system, air cooling system, brake system, gear box, wash pipe assembly, rotating head mechanism, tilt mechanism, back-up tong mechanism, internal blowout prevention mechanism (IBOP), guide rail and carriage mechanism, container, etc.
The top drive is powered by an AC frequency conversion asynchronous motor to realize AC frequency conversion drive.

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

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

1. 1. 1. Break System

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

1. 1. 1. Gear Box

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

1. 1. 1. Gooseneck Assembly

The gooseneck is specially designed for well logging. During drilling, corrosion resistant liner and nuts are used to block the upper high-pressure mud pipeline to avoid mud overflow.
One end of the gooseneck is connected with the wash pipe assembly. The wash pipe assembly adopts the super high pressure structure, which is an important part of sealing the high pressure mud and adopts self-sealing and rapid disassembly structure. When the wash pipe and the packing are damaged by wearing and need to be replaced, merely open the cover of upper and lower packing to taker off the whole device without removing the gooseneck and the mud hose. It is easy to stop drilling to replace at any time during the drilling process.
At Shandong Vs Petroleum Technology Co., Ltd, our 350 Ton Top Drive system showcases engineering excellence and innovation. The gooseneck is expertly designed with a seamless connection to the mud hose, featuring a 4-inch female union for optimal performance and efficiency in demanding environments. The connection is fortified with a Fig1003 thread type, ensuring robustness and reliability under high-pressure conditions, promoting safe and effective operations.
Our advanced mud prevention device is strategically installed between the main shaft and wash pipe, meticulously meeting the operational site requirements with precision and reliability.

1. 1. 1. Rotating Head

The cutting-edge rotating head system is thoughtfully configured to enable independent rotation from the main shaft, enhancing versatility and operational flexibility. The elevator links are expertly suspended on the link adaptor for seamless integration. are suspended on the link adaptor, delivering enhanced operational control and adaptability in diverse drilling scenarios.
Employing a sophisticated worm gear transmission structure, the system drives smoothly, ensuring stable and efficient operation in the most challenging conditions.
The rotating head is engineered to rotate both clockwise and counterclockwise in a 360-degree motion, allowing for excellent maneuverability. This feature, combined with the synchronized rotation of the elevator link and elevator, enables secure handling of single pipes in the mouse hole and the triple stem on the monkey board, ensuring operational accuracy and speed. on the monkey board, providing a seamless workflow and boosting productivity.
Our rotating head is powered by a high-performance hydraulic motor system, utilizing the renowned Danfoss cycloid motor, offering a speed range of 2 to 5 r/min for optimal control and precision.

1. 1. 1. Tilt System

The sophisticated tilt cylinder mechanism drives the elevator link to swing, facilitating forward and backward tilt motions. The forward tilt capability extends the elevator to the mouse hole and monkey board with ease and precision. During drilling operations, the backward tilt function aligns the lower end surface of the backup tong closely with the drilling platform, maximizing the efficiency and utilization of the drilling tool.
With a tilt range influenced by the elevator link length, the system offers an adjustable forward angle of 30 degrees and a backward tilt angle of 55 degrees, enhancing operational flexibility.
Note: For specific configuration needs regarding link lengths, please consult with our knowledgeable sales team in advance to ensure a tailored solution.
Our hydraulic system setting incorporates a 'middle' position for the tilt mechanism, enabling automatic return of the elevator link to a free swing state. This feature minimizes pressure impact on the hydraulic system, ensuring longevity and reliability.

1. 1. 1. Counterbalance System

The suspension bail counterbalance system is integral to the top drive system, providing critical weight balance. Connected via the pin shaft to the gearbox and suspended on the hook or traveling block, this system adopts a double hydraulic cylinder with an internal force balance mode, enhancing safety and reliability without the need for additional devices.

1. 1. 1. Back Up Tong Assembly

Our robust L-type back up tong assembly is equipped with a highly efficient motor and cylinder system, designed to clamp, release, makeup, and breakout seamlessly, enhancing operational efficiency. motor and the cylinder, delivering exceptional performance for tasks such as connecting and removing the saver sub without requiring disassembly of the tong body. This facilitates smooth and efficient drilling operations. Our comprehensive pipe handling device, in conjunction with the tilt mechanism and rotating head, significantly improves makeup and breakout operations and drilling tool layout efficiency, greatly reducing labor intensity and operational hazards.
Designed for adaptability, our system accommodates a drill pipe range of 85 to 187mm, ensuring versatility in various drilling scenarios.

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

The IBOP is a meticulously engineered integrated structure, featuring both manual and remote control double ball valve capabilities for enhanced operational efficiency. structure with manual and remote control capabilities, offering advanced features with the following main technical parameters:
Working Pressure Rated at a robust 70MPa, the system is designed to withstand the rigors of intensive drilling operations, ensuring safety and reliability.
Thread Type Boasting a 6-5/8" API REG × 6-5/8" API REG thread type, the system is engineered for seamless integration with industry-standard components.
O.D. With an outside diameter of Φ187mm, our system ensures optimal performance and compatibility with industry requirements.
I.D. 3
The actuator of the remote control IBOP features a precision-engineered pair of hydraulic cylinders, an IBOP sliding sleeve, and a durable gear system. The connection type between the cylinder and the sliding sleeve utilizes a roller contact design to ensure seamless axial movement of the sleeve in sync with the main shaft's rotation. Moreover, the drive wrench mechanism efficiently enables the opening and closing of the manual IBOP.
This advanced functionality allows for the swift closure of the IBOP in the event of a well kick or blow-out, thereby ensuring the utmost well control safety.
The IBOP sliding sleeve is powered through a robust gear rack and cam gear design to enhance reliability.

1. 1. 1. Guide Rail and Carriage

A state-of-the-art folding guide rail assembly, comprising multiple sections of guide rails, connections, crown block support, an adjustment beam assembly, and all necessary installation accessories.
Thanks to its innovative folding design, on-site installation is remarkably fast and hassle-free.
The carriage-guide rail interface employs a sophisticated pulley structure for friction management.
The double-sided cam follower structure of the pulleys ensures even load distribution, substantially extending their lifespan.

1. 1. 1. Container

For seamless transportation, two open-top containers are provided: one designed for the top drive body, the other for the guide rail and cable assembly.

Electrical Control System

The top drive's electrical control system is comprehensive, featuring a main control system, a dedicated electrical control room, a driller's console, power cables, auxiliary and composite control cables, power supply cables, a driller's console cable, grounding cables, and more.
Fitted with a high-performance AC asynchronous induction motor, the top drive delivers powerful drilling capabilities, utilizing AC frequency conversion for optimal drive mode.

1. 1. 1. Main Control System

A cutting-edge electrical control system is installed, incorporating an ABB ACS880 AC frequency conversion speed regulator, a programmable logic controller (PLC), and an auxiliary control unit. This system boasts exceptional self-diagnosis, protection, and anti-harmonic interference functions, ensuring all electrical control operations for the top drive are meticulously managed.
The system employs Siemens' sophisticated Simatic S7-1500 PLC series, managed via the ProfiBus-DP bus, to handle system operating parameters and perform comprehensive hardware and software status checks.
Both the main control system and the driller console are connected via the ProfiBus bus, offering robust anti-interference capabilities, precise control, and straightforward on-site installation, debugging, and maintenance.
The auxiliary control unit is conveniently housed within the same cabinet as the PLC, using premium Siemens electrical components.
An IPC system is integrated to provide real-time displays of 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 for accurately logging torque and speed signals.
An optional networking interface is available, facilitating easy integration with wireless or mobile networks for real-time remote data transmission of the top drive.

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

The electric drive and control system cabinets are strategically centralized in the electrical control room, ensuring secure installation and straightforward maintenance.
Equipped with advanced air conditioning, the VFD room maintains an optimal temperature range of 25ºC to 30ºC.
The interior decoration material The control room boasts a robust plastic spray steel plate construction, featuring convenient interface ports seamlessly integrated into the walls for external cable connections.
The electric control room is thoughtfully equipped with an external 380V emergency power interface. This powerful feature ensures seamless functionality for makeup, breakout, and low-speed operations during special situations, relying on a power supply of no less than 200KW.

1. 1. 1. Driller Console

A versatile set of the driller console can be securely installed and fixed inside the driller house, enabling precise operation and control over the top drive system.
Crafted with precision, the driller console features a sealing structure and a robust stainless steel shell. It employs a state-of-the-art positive pressure explosion-proof design, including an advanced explosion-proof device for pressure release. valve, along with sophisticated air and water separators, joints, interfaces, filters, and more. When air pressure anomalies occur within the box, immediate sound and light alarms are triggered, prompting the corresponding indicator lights on the console panel to illuminate, ensuring safety and operational awareness.
It boasts a range of essential functions, including torque limit, elevator link tilt, backup tong operation, brake operation, IBOP operation, and emergency stop. Additionally, it supports drilling operations and integrates necessary operation indicators and instruments for optimal performance.
Thoughtfully configured switches, indicators, installation fittings, and connectors ensure smooth operation of the top drive, enhancing user experience and efficiency.
The console panel is equipped with a cutting-edge 9-inch LCD screen, providing clear visibility into the working state, fault conditions, and other operational states of the top drive, ensuring well-informed decision-making.

1. 1. 1. Power Service Loop

An expertly designed set of power service loops (standard) is provided to supply power to the main motor, ensuring efficient energy management.
A dedicated terminal rack is strategically installed on the derrick to securely fix the power loop, optimizing organization and reliability.
The power loop cable adheres to rigorous ZR specifications, ideal for domestic offshore drilling applications, meeting high safety and performance standards.
Power Cable Length: 70m;
featuring explosion-proof connectors, with a certification level of Exd IIC T5, ensuring utmost safety in challenging environments.

1. 1. 1. Auxiliary and Control Service Loop

An auxiliary and control service loop is provided, perfectly matching the length of the power service loop for streamlined integration.
The service loop extends an impressive length of 70m;
incorporating explosion-proof connectors, certified at level Exd IIC T5, offering enhanced safety and reliability.

1. 1. 1. Power Supply Cable

A robust power supply cable set is included, establishing a secure connection between the generator and electrical control room, with an impressive length of 35m, voltage ranging from 0.6 to 1KV, and utilizing a reliable standard wire lug connection.

1. 1. 1. Control Cable of Driller Console

The control cable set is expertly configured to facilitate seamless power supply and communication between the driller console and the CPU, extending an efficient length of 70m to ensure reliable operations.

1. 1. 1. Grounding Cable

A comprehensive grounding cable assembly is provided, featuring domestically made cable, including two 1.5 m galvanized grounding rods, each with a length of 5 m, ensuring a secure and safe grounding solution.

Hydraulic Control System

Ingeniously integrated within the top drive body, the hydraulic system is composed of a hydraulic source, main control valve set, hydraulic actuators, auxiliary components, and a hydraulic oil radiator, ensuring optimal performance and reliability.

1. 1. 1. Hydraulic Source

The hydraulic source boasts an advanced inclined axial plunger variable pump, designed for hydrostatic transmission in open circuits, with flow rates proportional to drive speed and displacement. The inclined plate angle is adjustable for stepless flow control, while the dual oil outlets on the shell exhibit superior oil sucking characteristics, minimal noise, and an extended service life, with the drive shaft capable of withstanding both axial and radial loads, ensuring durability and 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.