1. Drog reduction & throughput increase technology
By adding the drag reducer into the oil and gas pipelines, the friction and operating pressure of the pipelines are reduced, at the same time, the pipeline throughput is increased which prowdes effective support for energy saving, consumption reduction throughput increase and security operation.

Drag reducer schematic diagram

2. Pipelines network simulation and optimization technology
Pipeline network simulation and optimization technology is the technology that to simulate and calculate the temperature, pressure, flow and other parameters of the pipeline network in various operating conditions, and to simulate the operating status of malor equipments by using the computers. It can quickly and accurately predict the parameter changes and laws of the pipeline in actual running, which provides a solution for safe and economic operation of oil and gas pipeline network.

Pipelines network simulation software

3. Pipeline failure control technology
Pipeline failure control technology includes pipeline bnttle fracture control technology, ductile fracture and crack arrest control technology, strain control technology and surface damage control technology. Through theoretical analysis and field trials. a set of pipeline failure control solutions is formed to secure the pipeline operation.

Pipeline all-scale bursting test and crack arrester verification test

4. Oils & gas pipeline high-efficient welding technology
PIW pipelines multi-torch all-position automatic interior welder is mainly used for automatic internal welding of girth joint in the process of long-distance pipeline construction. It makes the functions of mechanical, electrical control. pneumatic into one. The structural integration design of aligning systems and welding system realizes the implementation of pipe orifice aligning and automatic root welding in the pipe welding construction process. It is one of the key equipments for pipeline girth welds internal welding.

PIW pipeiines multi-torch all-position automatic intenor welder

PAW2000 pipelines single-torch all-position automatic exterior welder is mainly used for automatic external welding of girth joint in the process of long-distance pipeline construction. Through the computer or programming unit, the welding parameters can be programmed preset so as to accurately control the entire welding process. The welding speed, feeding speed, swing width, swing speed, welding voltage, welding current and other parameters can be changed depending on the specific state. It has become one of the ideal welding equipment of girth welds external welding.

PAW2000 pipelines single-torch all-position automatic extenor welder

PAW3000 pipelines dual-torch all-position automatic exterior welder is mainly used for automatic external welding of girth joint in the process of long-distance pipeline construction. The machine is of dual-torch structure, the control system adopts DSP and CPLD as the core of all-digital intelligent motion control technology and embedded operating system. which can accurately control all welding parameters, so as to implement allposition automatic welding. It is also one of the advanced equipments for high-efficient pipeline welding.

PAW3000 pipeiines dual-torch all-position automatic exterior welder

Pipelines all-position laser/arc hybrid welder is mainly used for automatic external welding of girth joint in the process of long-distance pipeline construction. The equipment combines the advantages of laser welding and arc welding technology, features as high welding bypass capability, high welding speed. thick one-time weld layer, good weld forming, and high efficiency. It is usually used in the root welding of pipelines. The technology is a hot and important research issue in the field of international pipeline welding currently.

Pipelines all-position laser/arc hybrid welder

5. Pipeline external anticorrosion and internal coating technology

Pipeline external corrosion and internal coating technology is the technology that can mitigate or prevent the pipeline from erosion and deterioration under the chemical, electrochemical action of inside and outside media or under the metabolic activity of the microorganisms. That effectively extends the operating life of pipeline, and makes sure the pipeline is safely operated.

Pipeline anticorrosive coating

6. Pipeline pigging technology and deformation & corrosion detecting technology
Pipeline pigging technology clears away the internal impunties and other foreign matter of the pipeline in operating process by using the tube cleaner. For normal operation and testing needs, the appropnate cleaner shall be selected to clean up the pipeline regularly.

Pipehne cleaner

Pipeline deformation detection technology is for the purpose of detecting the geometry deformation and gaining the data within the pipeline so as to discover the deformation location, thus to manager the pipeline deformations so that the pipeline will run safely.

Pipeline deformation detector

Pipeline corrosion detection technology is to detect metal losses (with point-shape, pit-shape. or sheet-shape) in the steel of the pipeline by using the magnetic leakage corrosion detector, and to determine the size and position of the corrosion in the inner and outer walls of the pipe. It provides a basis for safe operation, maintenance and management of the pipeline.

HD pipeline magnetic leakage corrosion detector

7. Oil & gas pipeline safety warning technology

The technology includes pipeline fiber optic security warning technology and pipeline acoustic warning technology. Pipeline fiber optic secunty warning technology is using the interference principle-based distnbuted micro vibration signal sensors which is made up of fiber optic cable, to get the wbration signal along the pipeline route. Through the classification and recognition of vibration signal, the threat event can be discovered and accurately located. Pipeline acoustic warning technology is using the high-sensitivity sensors installed in the pipe outer wall to detect the abnormal acoustic signal. After processed in the on-site monitoring unit, the signal will be transmitted to the monitoring center through a wireless network, then the alarm for the threat event will be started.

Schematic plot of pipeline fiber optic secunty warning technology and pipeline acoustic warning technology

8. Pipeline non-stop transmission blockage technology
This technology can reakze to repair the pipeline with pressure while the burst accident occurs with the pipeline non-stop transmission by welding two tee-joint plug on both sides of the needed pipe section, then cut an opening in the pipeline and let the plug head down into the pipe to close the flow so as to complete pipe replacement, repair and other special operations, finally guarantee the pipeline in safe operation.

Pipeline blocking scenes

9. Pipeline integrity management technology

Pipeline integdity management system can achieve the closed loop management to full life cycle of the pipeline in services through nsk identification, detection evaluation, maintenance&repair, performance management and other processes. It is a good decision supporting tools for risk control and resource optimization. The system is also a good support platform for pipeline safe, economic and smentific operation and maintenance.

Pipeline integrity management system