Chinese Dq40b 300t High-Effciency Electric Top-Drive System for Vsp Series Oilfield Drilling

• Customization: Available
• After-sales Service: Yes
• Warranty: 1-2 Years
• Model NO.: DQ40B
• Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008, API
• Condition: New
• Motor: AC Motor
• Drill Hole Diameter: 85mm-187mm
• Drill Hole Depth: 4000-4500m
• Bit Type: up to End User
• Drilling Way: Rotary
• Color: Yellow
• Motor Power: 470kw
• Load: 300tons
• Static Max Torque: 75 kN.M
• Manufacture: Ourselves, Vsp
• Price: Contact Us
• Model: Dq40b-Vsp
• Working Height: 5770mm
• Speed of Main Shaft: 0-180r/Min
• Drilling Rig Horsepower: 1000HP
• Temperature: -45°~55°
• Ibop Presuress: 105 MPa
• Sold to Middle East Market: Yes
• More Dtails: Contact Us
• Test Reports: Yes, Will Suppliy All
• Transport Package: Container
• Specification: 11TONS
• Trademark: VSP
• Origin: China
• HS Code: 8431431000
• Production Capacity: 100 Set Per Year
• Package Size: 500.00cm * 400.00cm * 7000.00cm
• Package Gross Weight: 11000.000kg

Product Description

 

Based on rich experience in maintenance for Top Drives of various models of international brands and many years of production and sales experience,now HERIS is launching a new project that integrates design, manufacturing, sales, and technical services---Our own Top Drive System;  DQ20B-VSP,DQ30B-VSP,DQ30BQ-VSP,DQ40B-VSP, DQ50B-VSP, DQ50BQ-VSP, DQ70BS-VSP ,which are suitable for various types of drilling rigs.
VSP top drive system, based on the pursuit of high reliability as the core conceptual design, was developed and produced through the optimization of the design and production system.
The Top Drive System is a new style drilling system,which is used to replace the Traditinal Drilling Equipment. It is intergrated with mechanical, electrical and hydraulic technology and has advanced automation level, which represent the highest level and the direction of the Drilling equipment development in 21st Century.
Top Drive System has been the standard equipment in the international Drilling Industry.

 

Model	Rated Drilling Depth m	Maximum load KN	Operating torque kN.m
DQ20B-VSP	2000m	1350KN / 150 US tons	27.5 KN.m
DQ30B-VSP	3000m	1800KN / 200 US tons	27.5 KN.m
DQ30BQ-VSP	3000m	1800KN / 200 US tons	27.5 KN.m
DQ40B-VSP	4000-4500m	2666KN / 300 US tons	50kN.m
DQ50B-VSP	5000m	3150KN / 350 US tons	51kN.m
DQ50BQ-VSP	5000m	3150KN / 350 US tons	70kN.m
DQ70BS-VSP	7000m	4500KN / 500 US tons	78kN.m
DQ--Top Drive System,Abbreviation for Chinese Alphabetic
B--AC Frequency Conversion Drive system
S--Dual Motor Drive
Q--Enhanced

 

DQ40B-VSP Product Overview:
Core advantages of electric AC variable frequency top drive:
High efficiency, energy saving and low energy consumption
The permanent magnet synchronous AC variable frequency motor is used to directly drive the main shaft, without the need for a reduction gearbox, and the energy consumption is reduced by 20%~30% compared with the traditional asynchronous motor. The cooling system is smaller and has lower noise .
The inverter dynamically adjusts the motor power according to the load, reduces no-load energy consumption, and has a significant comprehensive power saving rate .
2.Precise control and adaptability to complex working conditions
Supports stepless speed regulation (0~300 RPM) and constant pressure + speed limit automatic drilling, torque fluctuation ≤ ±2% , effectively suppressing the stick-slip phenomenon of PDC drill bits.
Integrated torsion swing drag reduction, soft torque and other control technologies to cope with sudden working conditions such as well wall collapse and drill stuck, reducing the risk of unplanned downtime .
3.Automation and digital operation
Centralized control of the driller is achieved through PLC and PROFIBUS-DP bus, supporting one-button operation (such as releasing counter-torque, adjusting the lifting ring angle), reducing manual intervention 78 . Sensors collect operating data of key components in real time, predict failure risks and prompt maintenance, improving equipment reliability.
4.Structural simplification and maintenance optimization:
The permanent magnet direct drive design eliminates the gearbox and redundant cables, reduces the failure rate by 30%, and extends the maintenance cycle to 10,000 hours.
The modular design supports rapid replacement of components (such as motors and guide rails) to meet different drilling needs.


DQ40B-VSP Parameters:

Class	DQ40B-VSP
Nominal drilling depth range (114mm drill pipe)	4000m~4500m
Rated Load	2666 KN
Working Height (96" Lifting Link)	5770mm
Rated Continuous Output Torque	50 KN.m
Maximum Breaking Torque	75 KN.m
Static maximum braking torque	50 KN.m
Rotating Link Adaptor Rotation Angle	0-360°
Speed Range of Main Shaft(infinitely adjustable)	0-180r/min
Back clamp clamping range of drill pipe	85mm-187mm
Mud circulation channel rated pressure	35/52 MPa
Hydraulic system working pressure	0~14 Mpa
Main motor rated power	470KW
Electric control room input power	600 VAC/50Hz
Applicable ambient temperature	-45ºC~55ºC
Distance between main shaft center and guide rail center	525×505mm
IBOP rated pressure(Hydraulic / Manual)	105 MPa
Dimensions	5600mm*1255mm*1153mm

Compare with other Brand TDS with the same depth requirement:

Under the same drilling depth requirements, compared with other top drive models in China, the DQ40B-VSP) equipment has the following advantages:

1.Higher rated load: Its rated load is 2666 KN (300 tons), which is higher than other equipment (2250 KN and 2224 KN), and can carry a larger load.

2.Larger working height: Its working height is 5770 mm, which has a larger working range than other equipment (6100 mm and 5200 mm).

3.Larger rated continuous output torque: Its rated continuous output torque is 50 KN.m and its maximum output torque is 75 KN.m, which can provide stronger torque output than other equipment (40 KN.m and 60 KN.m).

4.Higher rated pressure of mud circulation channel: Its rated pressure of mud circulation channel is 35/52 MPa, which can provide more stable pressure under different conditions than other equipment (35 MPa).

5.The main motor has a larger rated power: its main motor has a rated power of 470 KW, which has a larger power output than other equipment (375 KW), improving work efficiency.

6.High IBOP rated pressure: its IBOP rated pressure is 105 MPa, which can cope with higher pressure working environments than other equipment (76 MPa).

In summary, the equipment in the fourth column (OUR DQ40B-VSP) has advantages in carrying capacity, working height, output torque, mud circulation pressure, motor power and IBOP pressure, enabling it to perform well under various working conditions.

 

Model--4000 M	TPEC DQ40-LHTY-JQ	JH DQ40BQ-JH	OUR DQ40B-VSP
Rated Load	2250 KN--250Ton	2224 KN-250Ton	2666 KN-300Ton
Working Height	6100 mm	5200 mm	5770mm
Rated Continuous Output Torque	40 KN.m	40 KN.m	50 KN.m
Maximum Breaking Torque	68 KN.m	60 KN.m	75 KN.m
Speed Range of Main Shaft(infinitely adjustable)	0-180 r/min	0-180r/min	0-180r/min
Back clamp clamping range of drill pipe	17/8"-51/2" 47.63mm--140mm	86mm-206mm	86mm-187mm
Mud circulation channel rated pressure	35 Mpa	35 Mpa	35/52 MPa
Hydraulic system working pressure	0-14 Mpa	16 Mpa	0~14 Mpa
Main motor rated power	375 KW	375 KW	470KW
IBOP rated pressure	76 Mpa	76 Mpa	105 Mpa
Electric control room input power	600 VAC/50Hz	600 VAC/50Hz	600 VAC/50Hz
Applicable ambient temperature	-45ºC~55ºC	-45ºC~55ºC	-45ºC~55ºC
Distance between main shaft center and guide  rail center	525*505 mm	570 mm	525×505mm

Detail Picture and projects now;
 

 

Application Scenarios and Brief Analysis

Shallow well cluster development

1. Ground restricted areas;
Applicable to shallow wells with a depth of less than 1,500 meters, especially in areas with limited ground space or where land cost needs to be reduced (such as shallow oil wells in isolated oil production plants).
The 30DB top drive drilling rig achieves rapid whole-tow through modular design, supports the development of multiple wells (more than 4 wells) on the same platform, and significantly improves drilling efficiency.
2. Efficiency and economy;
The top drive equipment does not need to frequently disassemble the drill string, which reduces the time for connecting a single well, shortens the comprehensive drilling cycle of a single well by 20%~30%, and reduces operating costs

Deep well and ultra-deep well operations
1. High load and complex formations
Adapted to ultra-deep wells of 9,000 meters, high-power variable frequency drive supports top drive loads of 4,500 kN, and can cope with extreme conditions such as high temperature, high pressure, and hard rock crushing.
Stepless speed regulation (0~300 RPM) and constant pressure drilling function can accurately control drilling pressure and torque, suppress the stick-slip phenomenon of PDC drill bits, and ensure the stability of wellbore trajectory.
2. Deep energy exploration
Applicable to the development of unconventional resources such as shale gas and deep oil and gas. The closed-loop control system automatically adjusts parameters to meet the needs of long horizontal drilling.

Complex geology and high-risk working conditions
1 Well collapse and stuck drill response
Integrated torsion swing drag reduction and soft torque control technology, real-time adjustment of speed and power output, reduce the risk of wellbore instability, and reduce the unplanned downtime rate by more than 30%.
Support reverse eye operation, quickly resolve stuck drill accidents, and improve the safety of operations in complex formations.
2. Highly corrosive environment
High temperature resistant (-40ºC~120ºC), dustproof and waterproof (IP67) design, adapt to corrosive underground environments such as hydrogen sulfide and high salinity.




Automation and intelligent drilling platform 
1. Digital control requirements
Through PLC and bus technology, the driller can realize centralized control, support one-click parameter adjustment (such as releasing counter-torque, adjusting the angle of the lifting ring), reduce manual intervention and reduce the error rate of operation .
Real-time data collection of key components such as motors and guide rails, predict faults and prompt maintenance, and extend the service life of equipment .
2. Efficient mud circulation system
The variable frequency drive mud pump supports stepless speed regulation, stable circulation pressure (up to 52 MPa), matching top drive collaborative operation, and improving drilling fluid treatment efficiency .

Areas with strict energy-saving and environmental protection requirements 
1. Energy consumption optimization scenario
The permanent magnet synchronous motor is combined with the frequency converter, with a comprehensive power saving rate of 20%~60%, reducing carbon emissions, 2.
2. Meet the green drilling goal .
The brake energy feedback technology recovers excess electricity and reduces the load on the power grid. It is suitable for oil fields with high power grid quality requirements (such as the Linpan Oil Production Plant of Shengli Oilfield).

Summary
The electric AC variable frequency top drive is widely used in shallow well cluster development, ultra-deep well exploration, complex formation operations and intelligent drilling scenarios due to its high efficiency and energy saving, precise control, environmental adaptability and automation level. It has significant advantages in oil fields with limited ground, high environmental protection requirements or high geological risks.