S H O T O N

Loading

Challenging harsh environments: industrial hoses in the oil and gas industry

hose for oil and gas industry

Industrial hose is a flexible pipe, often used to transport fluids, gases, chemicals, etc.. In the oil and gas industry, industrial hoses play a very important role.

The importance of industrial hoses in the oil and gas industry

The scope of application and role of industrial hoses

Application in the oilfield oil recovery process

Industrial hoses are widely used in the oilfield oil recovery process, for example:

  • Oil well water injection operation: the hose is used to transport water or inject fluid into the well.
  • Well fracturing operations: Hose is used to transport hydraulic oil and fracturing fluid.
  • Oil well drilling operations: Hoses are used to transport drilling fluid and mud.

Applications in the transportation of liquefied natural gas

Liquefied Natural Gas (LNG) is a natural gas that liquefies at very low temperatures and is often used for long distance transportation. In LNG transportation, industrial hoses are used to connect ships and terminals, as well as to connect different storage tanks and heating systems.

Applications in refining and chemical production

Industrial hoses are also widely used in refining and chemical production, for example:

  • Raw material transportation: Hose is used to transport raw materials such as oil, natural gas and water.
  • Product transport: Hose transport refinery products, chemicals and other products.
  • Wastewater treatment: Hose to transport wastewater and waste liquids.

The advantages of industrial hoses in the oil and gas industry

  • Capable of adapting to complex environments

Industrial hoses can be custom manufactured according to specific environmental and usage requirements to adapt to various extreme conditions, such as high temperature, low temperature, high pressure, low pressure, etc. At the same time, the hose also has a high degree of flexibility and elasticity, can adapt to a variety of twists, bends and deformation of the terrain and pipeline.

  • Provide a safer operating environment

Industrial hoses can be manufactured into high-pressure hoses, corrosion-resistant hoses, anti-static hoses, etc., which can effectively avoid pipeline leaks, explosions and other accidents. Compared to traditional steel or copper piping, hoses can reduce the risk of liquid or gas leaks and provide a safer operating environment.

  • Reduce maintenance and replacement costs

Traditional steel or copper piping requires regular inspection, maintenance and replacement, these tasks require a lot of time and money. Industrial hoses, on the other hand, due to their flexibility and ease of installation, can reduce the workload and cost of pipe maintenance and replacement.

  • Increase production efficiency

Industrial hoses can help the oil and gas industry to increase production efficiency, for example, in the oil well injection operations, hoses can quickly transport water or injected fluid to the well, speeding up the speed of oil recovery; in the refining and chemical production, hoses can quickly and accurately transport raw materials and products to improve production efficiency.

Performance requirements and standards for industrial hoses

  • Pressure resistance

Industrial hoses need to be able to withstand the use of high pressure and low pressure environments, and therefore need to have excellent pressure resistance. This requires the material and structure of the hose to have sufficient strength and rigidity to withstand the pressure from the fluid.

  • Corrosion resistance

Fluids in the oil and gas industry are usually highly corrosive, so industrial hoses need to have good corrosion resistance to avoid corrosion of the hose and lead to leakage or damage. Hose material and lining materials need to have excellent corrosion resistance.

  • Wear resistance performance

As the industrial hose often need to be used in complex environments, so the hose wear resistance performance requirements are very high. The hose needs to have sufficient resistance to wear and tear to ensure its lasting performance in a complex environment.

  • High temperature resistance

Oil and gas industry fluids usually have high temperature nature, so industrial hoses need to have good resistance to high temperatures to avoid hose failure or damage due to high temperatures.

In addition, the production and quality of industrial hoses also need to comply with the appropriate standards and norms, such as ISO standards, API standards, EN standards, etc., to ensure that the quality and safety performance of the hose in line with industry requirements.

Challenges and Environment in Oil and Gas Production

Harsh climatic and environmental conditions

  • Cryogenic environments

Production at high latitudes or offshore often encounters climatic conditions with extremely low temperatures, which may even drop to -30°C or lower in winter. In such conditions, workers need to take extra protective measures to prevent damage from low temperatures.

  • Heavy Rainfall and Flooding

During seasonal rainfall or flooding, oil and gas producing areas may be affected by flooding. Heavy rains and flooding can cause damage to equipment and infrastructure and may even result in injury or death.

  • Sand and Dust Storms

Oil and gas producing areas can be affected by dust storms, which can have an impact on the health of personnel and the proper functioning of equipment.

  • High Temperature Environment

In hot climates, especially in desert areas, the temperature of the working environment may reach over 40°C. Under such conditions, workers need to take measures to stay hydrated and prevent heat stroke.

  • Offshore environment

Oil and gas production at sea is exposed to more severe weather conditions such as storms and waves. In addition, the salt spray and corrosive nature of the offshore environment can cause severe damage to equipment and facilities.

In these harsh climatic and environmental conditions, it is critical to use the right equipment and tools, including industrial hoses and the like. These equipment need to have good resistance to wear and tear, high temperature and corrosion to ensure their proper use in harsh environmental conditions.

Requirements for working in high pressure and high temperature environments

In oil and gas production, many application scenarios require industrial hoses to be able to work in high-pressure and high-temperature environments, so the hose’s ability to withstand pressure and temperature is very important.

  • High-pressure environment work requirements

In the oil well extraction process, often need to use high-pressure hose to transport liquids or gases. Therefore, the pressure resistance of the hose is very critical. Generally speaking, the pressure resistance of industrial hoses is determined by their materials, structure and reinforcement. Common industrial hose materials include polyurethane, polyester, polyamide, polyimide, fluoroelastomer, etc. In the choice of materials, it is necessary to choose according to different working environment and working requirements.

  • Work requirements in high temperature environment

In the oil and gas production process, there are many application scenarios require industrial hoses to be able to work in high-temperature environments, such as drilling, oil recovery and water injection operations in high-temperature oil wells, or in high-temperature chemical production sites for raw material transfer and product delivery. Therefore, the temperature resistance of the hose is also very critical. Generally speaking, the temperature resistance of industrial hoses depends on the thermal stability and heat resistance of their materials. Common industrial hose materials include fluoroelastomer, silicone rubber, polyimide, PTFE, etc.. In the choice of materials, it is necessary to choose according to different working environment and working requirements.

In summary, the industrial hose in the oil and gas industry is subject to strict requirements for the application of high pressure resistance, high temperature resistance, corrosion resistance and other characteristics. These characteristics need to be reflected in the hose materials, structure and reinforcement methods to ensure that the hose can work safely and reliably under extreme working conditions.

Safety and environmental requirements for oil and gas production

  • Prevention of oil leaks and spills: A series of measures are needed to prevent oil leaks and spills in all parts of the oilfield, pipelines and tankers, such as installing equipment such as valves and leak detectors, and regularly inspecting and maintaining the integrity of pipelines and equipment.
  • Waste and wastewater treatment: Waste and wastewater generated during the production process must be properly disposed of to prevent pollution and harm to the environment. These wastes must be subject to strict treatment and discharge standards and must meet the requirements of local governments and environmental protection agencies.
  • Explosion and fire prevention: Oil and gas are flammable and explosive, so a number of measures must be taken to prevent fires and explosions during production and transportation. For example, fire prevention equipment and fire extinguishers must be available, equipment and pipelines must be adequately isolated, and explosion-proof equipment must be used in high-risk areas.
  • Safety training and education: Staff must undergo rigorous training and education to ensure they understand how to operate and maintain equipment and know how to respond to emergencies. Emergency plans and emergency response teams must be in place to respond to emergencies.
  • Environmental impact assessment: Before production begins, an environmental impact assessment must be conducted to determine the environmental impacts of production and to take the necessary steps to reduce those impacts. During production, environmental parameters must be regularly monitored to ensure that environmental quality is protected and improved.
  • Resource Conservation: Oil and gas are finite resources, and therefore measures must be taken to protect and manage these resources to ensure their sustainability. Resource development plans must be implemented and measures taken to reduce energy waste and pollution.

Materials and characteristics of industrial hoses

Commonly used industrial hose materials

  • Rubber: Rubber hoses are commonly used to transport water, oil and chemicals. They have excellent abrasion, corrosion and chemical resistance, and are also able to withstand high pressures and temperatures.
  • Polyurethane: Polyurethane hoses have excellent wear resistance, impact resistance and heat resistance, and can withstand high pressure and high temperature environments.
  • Polyvinyl chloride (PVC): PVC hoses are typically used to transport water and air. They have good corrosion resistance and abrasion resistance, and have good flexibility and malleability.
  • Polypropylene: Polypropylene hoses are suitable for conveying acidic chemicals, salt water and other corrosive media. They have good corrosion resistance and high temperature resistance.
  • Fluoroplastic: Fluoroplastic hoses are commonly used for conveying corrosive media such as hydrofluoric acid, hydrochloric acid, ammonia and chlorine gas. They have excellent corrosion resistance and high temperature resistance.
  • Metal hoses: Metal hoses are commonly used in high-pressure and high-temperature environments, such as in oil and gas production. They have extremely high pressure and temperature resistance, and can withstand extreme physical and chemical environments.

When selecting hose materials, factors such as the chemical properties of the media being transported, temperature, pressure and flow rate need to be considered to ensure that the hose has the required performance and suitability.

Heat, cold and abrasion resistance of industrial hoses

  • Heat resistance: oil and gas production processes often need to withstand high temperature environments, the heat resistance of the hose is critical. Commonly used hose materials such as polytetrafluoroethylene (PTFE), fluorine rubber (FKM) and silicone rubber (VMQ) have very good heat resistance.
  • Cold resistance: in some low-temperature environment, industrial hoses need to have good cold resistance. For example, in the Arctic region of oil exploration, the hose needs to be able to withstand the extremely low temperature. Commonly used hose materials such as fluorine rubber (FKM) and butyl rubber (NBR) have very good cold performance.
  • Abrasion resistance: oil and gas production, hose often need to work on rough surfaces and sharp objects, so need to have a good wear resistance. Commonly used hose materials such as butyl rubber (NBR) and polyurethane (PU) have very good wear resistance.
  • Chemical resistance: oil and gas production process, the hose needs to be able to withstand the erosion of various chemical media. Therefore, it needs to have a good chemical resistance. Commonly used hose materials such as polyurethane (PU), polytetrafluoroethylene (PTFE) and fluorine rubber (FKM) have very good chemical resistance.
  • Pressure resistance: in high-pressure environment, the hose needs to be able to withstand very high pressure. Commonly used hose materials such as polyester (PET) and polyurethane (PU) have very good pressure resistance.
  • Corrosion resistance: in some corrosive media, the hose needs to be able to withstand corrosion. Commonly used hose materials such as neoprene (CR) and fluorine rubber (FKM) have very good corrosion resistance.

Internal structure and reinforcement of industrial hoses

The internal structure and reinforcement of the industrial hose is the key factor to ensure that it can work properly under high pressure, high temperature and harsh environment. Generally speaking, the industrial hose is mainly composed of inner rubber layer, reinforcement layer and outer rubber layer.

  • Inner rubber layer

The inner rubber layer is the internal part of the industrial hose is responsible for the transmission of media, usually using corrosion-resistant, high temperature and wear-resistant polymer materials. Common materials include NBR (NBR), FKM (Fluorine Rubber) and VMQ (Silicone Rubber).

  • Reinforcement layer

The reinforcement layer is set up to enhance the compressive strength and wear resistance of the hose, usually using materials such as high-strength fiber, steel wire mesh or steel wire rope, which can effectively prevent the expansion, breakage and damage of the hose.

  • Outer rubber layer

The outer rubber layer is the external protection layer of industrial hose, usually using polyurethane, polyester and polyvinyl chloride and other materials, can play a role in wear resistance, corrosion resistance, UV resistance and anti-static.

In short, the design and material selection of the inner rubber layer, reinforcement layer and outer rubber layer need to consider the nature of the medium, temperature, pressure, flow rate and other factors, and in line with the requirements of international and industry standards.

How to choose the right industrial hose

Select the appropriate material according to the application scenario and needs

In the selection of industrial hose material, you need to choose the appropriate material according to the application scenario and needs. The following are some of the commonly used industrial hose materials and their application scenarios:

  • Neoprene rubber (CR): with wear-resistant, cold-resistant, oil-resistant performance, suitable for mining, engineering machinery, metallurgy, chemical industry and other fields.
  • Nitrile rubber (NBR): with excellent oil resistance, oil corrosion resistance and anti-aging properties, suitable for petroleum, chemical, pharmaceutical, food and other fields.
  • Fluorine rubber (FPM): excellent resistance to high temperature and oil, suitable for chemical industry, petroleum, automobile manufacturing, aerospace and other fields.
  • Acrylic rubber (ACM): with good oil resistance performance, suitable for automobile, ship, aviation and other fields.
  • Polyurethane (PU): with wear resistance, oil resistance, solvent resistance, suitable for mining, metallurgy, construction, light industry and other fields.

Consider working pressure and temperature range

When choosing materials for industrial hoses, the working pressure and temperature range need to be taken into account. Different materials have different pressure and temperature ranges, and choosing the right material can ensure that the hose will not be damaged or malfunction during operation.

For example, in the high temperature environment, you need to choose materials with excellent heat resistance, such as polytetrafluoroethylene (PTFE) or polyimide (PAI) and other high-performance materials. In high-pressure environment, you need to choose materials with excellent pressure resistance, such as polyester (PET), polyurethane (PU), polyethylene (PE) and other materials. At the same time, it is also necessary to consider the chemical resistance, wear resistance, oxidation resistance and other characteristics of the material.

Consider the length of the hose and the connection method

The length of the hose and the connection method are also factors that need to be considered when selecting the hose.

  • Length: In determining the length of the hose, you need to consider the distance and working range in the application scenario. Usually the length of the hose will be slightly longer than the actual length needed so that the hose can be bent and twisted when in use.
  • Connection: There are various connection methods, such as flange connection, threaded connection, clamp connection, etc.. In the choice of connection, you need to consider the working pressure of the hose, temperature and vibration and other factors, to ensure the safety and stability of the connection.

In addition, the bending radius of the hose and tensile strength and other factors need to be considered to ensure the reliability and safety of the hose.

Consider maintenance and replacement intervals

When selecting industrial hoses, maintenance and replacement cycles also need to be considered to ensure the reliability and safety of the hose.

  • Maintenance: hose in the process of use may be affected by wear and tear, corrosion, aging and other factors, so the need to regularly check and maintain the state of the hose. The inspection includes the appearance of the hose, internal structure, connection parts, etc. If the hose is found to be damaged or aging and other conditions, it needs to be replaced in a timely manner.
  • Replacement cycle: the service life of the hose is related to its material, working pressure, temperature and other factors. Generally speaking, the service life of the hose between a few years to a dozen years, need to be assessed specifically according to the actual situation. In the process of hose use, you need to regularly check the condition of the hose, if you find that the hose aging, wear and tear, etc., need to be replaced in a timely manner.

Therefore, when choosing a hose, you need to consider its maintenance and replacement cycle for effective maintenance and replacement.

Application examples of industrial hoses

Application in oilfield oil recovery process

In oilfield water injection operations, hydraulic hoses are typically used to transport water or inject fluid downhole to maintain well pressure. In a typical water injection operation, a hose is attached to a series of fittings between the water injection truck and the wellhead of the oil well. Water is then pumped into the hose and injected into the well through a nozzle downhole. During this process, the hose must be able to withstand high pressures and changing temperatures and pressures.

To ensure the reliability and safety of the hose, several factors need to be considered when selecting and using hydraulic hoses, such as the hose material, internal structure, reinforcement, length and connection method. In addition, the maintenance and replacement of the hose is also critical to ensure the performance and safety of the hose in long-term use.

Application in the transportation of liquefied natural gas

During the loading and unloading of LNG carriers, a large number of hoses are used to connect the different systems. Among them, hydraulic hoses are widely used to connect ships and terminals as well as to connect different storage tanks and heating systems.

Take an LNG carrier as an example, the vessel has a deck mounted device for loading and unloading LNG, which includes hydraulic hose connectors. During the loading and unloading process, LNG needs to be transported from the terminal to the tanks on board or from the tanks on board to the terminal via hose connectors. These hose connectors need to be resistant to high pressure, low temperature and corrosion to ensure the safe transportation of LNG.

In addition, during the LNG transportation process, the liquefied natural gas needs to be heated into a gaseous state for delivery and use. In this process, hydraulic hoses also play an important role. For example, high temperature hoses are needed to transport the LNG between the storage tank and the heating system in order to heat it into a gaseous state. These hoses need to be resistant to high temperatures, pressure and corrosion to ensure safe and reliable transportation.

Therefore, hydraulic hoses play a very important role in the LNG transportation process and they need to have a variety of properties and performance to ensure safe and reliable LNG transportation and heating.

Applications in refining and chemical production

A chemical company produces a chemical that requires raw materials to be transported from a storage tank to a reactor. The chemical has a corrosive effect on stainless steel pipes, and traditional metal piping is not suitable for use. In addition, due to the process needs, the conveying pipeline needs to have high bendability, and the traditional hard piping cannot meet the requirements.

To solve this problem, the company chose hydraulic hoses. The hydraulic hose is made of a special synthetic rubber material that is resistant to the corrosive effects of the chemical. In addition, the hydraulic hose has high bending and abrasion resistance to meet the process requirements of the transport pipeline.

By using the hydraulic hose, the company has successfully solved the problem of selecting the material for the transport pipeline and improved the production efficiency.

Installation and maintenance of industrial hoses

Preparation before installation

  • Safety Inspection: Prior to installation, a safety inspection is required to ensure that the workplace is safe. The surrounding environmental conditions and other equipment need to be checked to ensure that no hazardous elements are present.
  • Hose inspection: Before installing the industrial hose, a thorough inspection of the hose needs to be carried out. The hose needs to be inspected for any damage or wear, and if so, the hose needs to be replaced.
  • Fittings inspection: the hose connection fittings need to be checked to see if they are intact and match the hose. If there are any problems with the fittings, they need to be replaced or repaired.
  • Prepare tools: You need to prepare the appropriate tools to install and connect the industrial hose. These tools include wrenches, pipe wrenches, screwdrivers, etc.
  • Cleaning work: Before installing the industrial hose, you need to make sure that the connection part is clean and free of any impurities or dirt. If necessary, cleaning agents can be used to clean.
  • Determine the connection direction: Before installing the industrial hose, you need to determine the connection direction to ensure that the hose will not be subject to unnecessary pressure when working.

Determine the tightening strength: need to determine the tightening strength of the hose according to the work requirements, to ensure that the hose will not be loose or fall off when working.

These are the preparatory work needed before the installation of industrial hose, the completion of these preparations can ensure the safety and stability of the hose in the work process.

Installation steps and precautions

The following steps and matters need to be noted when installing industrial hoses:

  • Check whether the hose and fittings meet the requirements: Before installing the hose, you need to check whether the type, specification, material and working pressure of the hose and fittings meet the requirements to ensure that the hose can work safely and reliably after installation.
  • Cleaning the hose and fittings: Before installing the hose, the hose and fittings need to be cleaned to ensure that there are no impurities and dirt inside so as not to affect the service life and performance of the hose.
  • Cut the hose: according to the actual need, use the appropriate cutting tool to cut the hose to the required length.
  • Install the coupling: Insert the coupling into one end of the hose and secure it to the hose, paying attention to the direction and position of the coupling.
  • Install the other end of the coupling: Insert the other end of the coupling into the other end of the hose and secure it to the hose, paying attention to the direction and position of the coupling.
  • Coupling hose and pipe: Connect the fitting of the hose to the fitting of the pipe, making sure the connection is tight and well sealed.
  • Check the installation quality: After the installation is finished, you need to check the installation quality of the hose and the joint, including whether the joint is fixed, whether the hose is bent normally, whether there is wear and tear, whether there is oil leakage and other problems.

When installing industrial hoses, the following matters need to be noted:

  • Avoid twisting the hose: When installing the hose, pay attention to avoid excessive bending and twisting of the hose to avoid affecting the service life and performance of the hose.
  • Avoid stretching of the hose: When installing the hose, be careful to avoid excessive stretching of the hose to avoid hose breakage or joint dislodgement.
  • Choose the right joint: When installing the hose, choose the right joint to ensure that it matches the model, specification, material and working pressure of the hose.
  • Regular inspection and replacement: During use, you need to regularly check the condition of the hose and fittings and replace them as needed in time to ensure that the hose works safely and reliably.
  • Follow the safety operation procedures: When installing the hose, follow the relevant safety operation procedures to ensure that the installation process is safe and reliable.

Routine maintenance and care of industrial hoses

Routine maintenance and care of industrial hoses is essential for their long-term service life and safety. The following are some common maintenance and care measures:

  • Regular inspection: regularly check the appearance of the hose, such as whether there are cracks, deformation, wear, corrosion, etc., as well as whether the connections are tight, whether there is leakage, etc.
  • Cleaning and maintenance: The hose will accumulate dust, dirt and grease during use, and should be cleaned and maintained regularly. Use mild detergent and soft cloth to clean the surface of the hose, avoid using strong acid and alkaline detergent or hard objects to wipe, so as not to damage the surface of the hose.
  • Avoid bending: the hose should not be excessively bent, should avoid folding and squeezing, which will lead to accelerated wear and tear of the bent part of the hose, thereby reducing the service life of the hose.
  • Avoid over-stretching: when using the hose, should avoid over-stretching and pulling, so as not to damage or loosen the hose connection part.
  • Regular replacement: According to the service life of the hose and maintenance records, the hose should be replaced regularly to ensure its safety and reliability.
  • Storage management: hose should be properly stored and regularly inspected when it is not in use for a long time to ensure that the surface of the hose is free from corrosion, wear and other defects.

In short, the regular inspection, cleaning, maintenance and replacement of industrial hoses is an important measure to ensure their service life and safety.

Replacement and overhaul

Industrial hose replacement and overhaul is an important part of ensuring the safety of equipment operation and extending equipment life. The following are some common replacement and overhaul steps:

  • Check if the hose needs to be replaced: Periodically inspect the appearance of the hose, including whether there is damage, deterioration or wear. If the hose exhibits any of these conditions, it needs to be replaced immediately.
  • Prepare replacement tools: Prepare the appropriate tools and spare parts depending on how the hose is connected.
  • Shut down related equipment: Before replacing the hose, the hydraulic system or related equipment needs to be shut down and all pressure relieved.
  • Remove the old hose: Using the appropriate tools, remove the old hose and inspect the hose connection points for damage.
  • Install the new hose: Install the new hose according to the instructions provided by the manufacturer and ensure that all connection points have been properly installed and tightened.
  • Restart the unit: After the installation is complete, the unit needs to be restarted and tested to ensure the hose is installed successfully.

Caution:

Before replacing the hose, you need to make sure that the hydraulic system or related equipment is stopped and all pressure is released.

When disassembling the hose, you need to pay attention to the damage of the hose connection point and check whether the relevant parts need to be replaced.

When installing the hose, it is necessary to follow the instructions provided by the manufacturer for proper installation and ensure that all connection points have been properly installed and tightened.

Before restarting the unit, a test needs to be performed to ensure that the hose is installed successfully and to check for any leaks.

Periodically inspect the appearance of the hose, including for damage, deterioration or wear, and perform any necessary replacements and overhauls.

Conclusion

In oil and gas applications, industrial hoses play an important role. Industrial hoses are used in a wide range of applications, including oilfield recovery processes, LNG transportation, refining and chemical production. However, in these applications, industrial hoses are subjected to extreme environmental and operating conditions, such as high temperatures, high pressures, and severe weather. Therefore, the selection of the right material and design, as well as proper installation, maintenance and replacement work are critical. The safety and reliability of industrial hoses is of great importance to the production and environmental protection of the oil and gas industry.

Share On
As a manufacturer and supplier with more than 20 years of experience, we are able to provide comprehensive and professional hydraulic product solutions. If you need support, please click the following button.

Read More Articles

Subscribe to Get Newest Update

Subscribe to get our latest insights, knowledge and experience. We will only send email when necessary. You may unsubscribe at any time.

All Your Request Will Be Replied Within 2 Hours

We'll send you the full details to your email

Rest assured, the protection of your email information is a top priority for us. We operate in full compliance with GDPR and CCPA, maintaining strict data security and privacy standards.