Inside Look: How Is Natural Gas Extracted from the Earth

What is Natural Gas?

A commonly referred to as a ‘bridge fuel,’ natural gas is a mixture of hydrocarbons most prominently made up of methane (CH4), which is the most synthesized organic material. Together with methane, it contains a trace presence of hydrocarbons like ethane, propane, butane, and pentanes, along with trace amounts of carbon dioxide, nitrogen, hydrogen sulfide (that rotten egg smell!), and water vapor. As it comes in its raw natural gas form, this is completely odorless, colorless, and combustive, which makes a strong source of energy. It’s like treasure buried deep into the ground; it’s known as a fossil fuel, as it has been created over millions of years from decayed organic matter. A gaseous state is a condition for it at normal temperature and pressure; this aspect is critical to grasp when it’s being explained how natural gas is extracted, processed, and finally used.

It’s hard to imagine, but the remains of plants of sea life and plant materials existed on earth long before the appearance of mankind. These remains of plants settled on the ocean floor and swamps, and many years later, they were buried under intense heat and high pressure and became thermal layers. As time progressed, that organic material that was buried deep beneath the earth’s crust started to form under extreme high pressure. Intense heat and high pressure combined to turn some of this matter into coal, oil, and natural gas—sources of thermogenic methane that are trapped within porous rock formations. In places where oil deposits are located, these formations are also present and act as natural gas storage areas. The process spanned across thousands of years and was proof of how the earth was able to change basic remains of plants into natural resources. Could this process be a renewable energy source in the future? Perhaps someday it will contribute to global warming.

pumpjack in the oil well of the oil field

Exploring and Locating Natural Gas Reserves

The quest for natural gas doesn’t begin with a drill. Instead, it commences with investigative efforts. Geologists are confederates of the modern times who work upon data and maps concerning the Earth’s crust in order to find remarkable geological formations. They also focus on certain types of rocks that are known to contain natural gas. Located deep underground, these geological characteristics are crucial to the success of capturing this natural resource. Perhaps they will find conventional natural gas or shale gas, or even tight gas. On- and offshore seismic surveys are integral to the drill. This survey employs seismic waves generated with specialized equipment, such as “thumper trucks,” to map the Earth’s surface and identify coal deposits. Visualize sound waves penetrating the Earth and reflecting at various rock strata, creating a photographic image of the subsurface structure.

Once a potential site has been spotted, the next phase is reconnaissance drilling – literally drilling a hole into the earth to find what is underneath. This requires boring a deep well, frequently many thousand feet beneath, to tap into the presumed natural gas reservoir. This sort of exploratory well is not aimed at formulating a broad guessing; in fact, it has a well-set strategy for its drilling and interpolation. Engineered tools and instruments are used to gather data, including the volume of gas that can be measured in cubic feet, the gas pressure, and concrete characteristics of the rock’s permeability. This effectively assists in knowing the feasibility of the reservoir in terms of the commercial use of extracting natural gas from the reservoir. It’s a risk, but one that is backed by best geological networks and engineering expertise. This helps in deciding the potential and qualitative in the available natural gas and how the future production is to be regulated.

Extraction Methods: From Well to Pipeline

Extracting natural gas from the depths of the Earth’s crust is no longer a distant thought but rather a history and is now adored by many. This involves an enthralling amalgamation of engineering and geology. The methods involved depend largely on the type of natural gas deposit – whether is it conventional or unconventional. For example, decomposed plant material, otherwise known as conventional gas, which is embedded under numerous non-permeable rock layers is easier to reach than unconventional natural gas. Vertical drilling enables one to reach greater depths, advancing through layers of rock until it reaches the natural gas reservoir. It is relatively a simple process with a couple of steps that do have their shortcomings. Natural gas reserves are generally located within wells that have a steel casing to support them which harbors the reservoir. It seems fair to say it is regarded as quite an easy task as a whole. Other methods of unconventional natural gas enable horizontal drilling and hydrate fracturing to be carried out.

Horizontal drilling on the other hand can be regarded as being the opposite as this enables for greater area coverage. This is more efficient and creates a better production rate than the other methods. This, combined with hydraulic fracturing eliminates the limitations that have held back and devastated the natural gas industry. In order to extract the gases a combination of water, sand and chemicals is injected into the mix at a great amount of pressure and then poured into the well bore to stretch the rock which forces the gases out.

But the tool has also raised some environmental issues, especially in terms of water use and possible pollution of groundwater resources. The path of natural gas from the ground to the pipeline is an endless story of human development aimed at meeting the needs of energy of the world society. It is a task which has to be done with great planning, careful engineering, and the greatest regard for the planet’s resources.

Chemical plant or refinery with fractioning or distillation towers

Natural Gas Processing and Purification

Natural gas in its raw form isn’t very useful, to say the least. It has water vapor, carbon dioxide, sulfurated hydrogen, and other non-methane molecule hydrocarbons that need to be dealt with. Essentially, these are not components of pure natural gas. But here’s where natural gas processing plants step in; these plants act as industrial cleaning stations, where methane is extracted from other unwanted components. Perhaps new technologies will improve this process further. Stage one, removing water vapor, is quite important, as this not only lowers the energy of the gas but may enhance pipeline corrosion. Then there is the filtering of all the natural gas liquids, such as propane, butane, and ethane, which have separate end uses or applications of natural gas.

The peat, which is primarily composed of a methane molecule, has been transformed into more usable forms and can now be supplied to various establishments and power stations. By eliminating harmful impurities such as hydrogen sulfide, this process makes natural gas more usable. The procedures of transforming crude natural gas into usable fuel need to go through many stages in order to be retail ready. Because of the various methods and technologies used, the end product is pure natural gas that passes various quality and safety standards. Hopefully there are enough natural gas reserves to meet demand. Molecule sieves, as you will see, have significant importance in this purification process. Perhaps there are different sources of natural gas that haven’t been explored fully yet. Perhaps someday they will discover coal mine methane near the drilling sites, and new technologies will arise from these reserves of natural gas. It’s hard to know about methane hydrates and what those sources of natural gas will bring.

molecular sieve microstructure

Molecular Sieves: Enhancing Efficiency and Quality

Different Types of Molecular Sieves Used in Natural Gas Processing

Molecular sieves are used in natural gas operations in the same way as various bits of a toolbox, with each bit performing a unique and dedicated characteristic. For example, 3A and 4A molecular sieves are used for desiccating the natural gas to prevent hydrate condition and corroding of the pipeline systems. Other sieves, such as 5A and 13X, are more efficient at removing carbon dioxide and hydrogen sulfide from gas. In order to improve the natural gas quality through the purification process, the relevant molecular sieve should be selected. It’s about using the right tool considering the type of impurities and the purity the user wants.

Molecular Sieve TypePore Size (Ångströms)Target Application in Natural Gas Processing
3A3Dehydration (removal of H₂O), drying of cracked gas, removal of NH3
4A4Dehydration (removal of H₂O), removal of CO2 from natural gas, removal of mercaptans
5A5Separation of normal paraffins from branched-chain and cyclic hydrocarbons, removal of H2S and mercaptans
13X10Removal of impurities such as mercaptans, H2S, CO2 in bulk separations

Advantages of Using Molecular Sieves for Purification

Natural gas purification is a very demanding task but molecular sieves make this job easier. It has the ability to be even more precise than any other filtration system known to mankind. Essentially they provide a level of filtration that makes them reusable. Unlike other methods of filtering out nasties which are expensive and wasteful, molecular sieves don’t really require much maintenance as they are also reversible. Their ability to recharge themselves is similar to that of a sustainable battery. In this day and age where every industry is moving towards sustainable engineering, these sieves can easily be included, as they are eco friendly. Their unique design enables them to withstand a wide range of variations with regards to temperature and pressure. Hence removing a lot of barriers when it comes to the Natural gas filtration Industry.

Optimizing Molecular Sieve Performance in Natural Gas Applications

In every bioscience branch, one needs to do more than supervision to provide an end-product, especially molecular sieves in natural gas uses, which requires multifactor optimization for better performance than just heat and temperature compensation, evidence to the inverse proportional relation between the two which may result in an unsatisfactory adsorption through lack of pressure required. Contrast this with the low regular monitoring tasks, and upgrade of replacing the beds, now the tasks seem alarming unless corrected through process system modification where there is balance of best performance and durability through careful optimization of the molecular sieve bed. But more importantly, all of the above can only be achieved only through selecting the correct type and size of molecular sieves specific to the task at hand, though you’d be wise to seek assistance from the likes of Jalon in achieving that as they are experts in their field in the likes of Jalon. In doing so, everything becomes a cooperation between molecular sieve bioprospecting and gas purification that translates to cost and time reduction while increasing the overall reliability of the system itself.

Transportation and Storage of Natural Gas

Pipeline Networks and Distribution Systems

After extraction, gas has to go through a series of stringent treatment procedures and it then sets off through a very large grid of pipelines which run throughout the country like an intricate system. It has also been noted that many of these pipelines are several miles in length and that they serve to carry the gas from the centers of its extraction to those that can be utilized with the final users being the consumers. Just like the veins and arteries in one’s body, pipeline systems act as the characteristics of the natural gas industry and ensure an uninterrupted supply of natural gas. This natural gas is enough to ensure the comfort of homes and workings of many factories in the entire nation. Just imagine the extent of this network, a powerful but quiet architect that links up production areas with cities.

Underground Storage Facilities

The need to store natural gas becomes apparent and is very crucial whenever there is a remarkable difference in the demand of gas and supply, especially at winter peak demand seasons. It is in winter peak demand seasons that underground storage is increased. Underground storage is tunnels that are built in depleted natural gas reserves or salt caverns and act as huge beehives for natural gas. Even in cases of sudden supply constraints, these underground stockpiles act as a safeguard against such disruptions and make possible the availability of natural gas at a reasonably steady rate despite variations in production. It is similar to having gas reserves that can be touched in case of high demand. In fact, on a single day in March 2022, the United States removed 2.4 trillion cubic feet of natural gas from its reserves and storage, showcasing to a greater extent these facilities as essential poles in the handling of energy requirements. This particularly stored energy is what ensures that there are no cut outs in power supply at any time, especially in times of massive demand like winter.

Liquefied Natural Gas (LNG) for Long-Distance Transport

For long-distance transport, especially across oceans, natural gas is converted into liquefied natural gas (LNG). By cooling natural gas to -260°F, its volume is reduced by a factor of 600, making it much more efficient to transport by specialized tankers. This process opens up global markets, allowing countries without direct pipeline access to import natural gas. It’s a fascinating example of how technology expands the reach of this valuable energy source, connecting continents and powering economies around the world. LNG, the condensed form of natural gas, plays an increasingly important role in the global energy landscape, facilitating trade and ensuring a diversified supply of this cleaner-burning fuel.

Gas storage tanks

Environmental Impact of Natural Gas Extraction

Energy resource extraction in the form of natural gas, although classified as less pollutive in comparison to other fossil fuels, still involves processes that impact the environment. The various stages entailed, such as exploration, drilling operations, production, and transportation of gas, are associated with GHG emissions like methane and carbon dioxide, which impact climate change. Consumption of water, disturbance of groundwater surface of the earth with chemicals, and disposal of used wastewater as a result of hydraulic fracturing (even fracking) is a concern. What is the next step in mitigating these issues? Land degradation and habitat loss due to pipeline and well-pad construction are environmental factors to worry about, since they affect animals and vegetation. Likewise, while it remains a true fact that natural gas energy emits less carbon dioxide than coal, its use in industrial or domestic settings of natural gas is faced with undesirable effects. To address these issues, industry practice standards must be set in place, such as creating alternates to prevent factors that will lead to gas escaping, and also putting regulatory measures in place that deal with pollution and gas emission to improve the energy efficiency of this fossil fuel. Perhaps a change in the way we use natural gas energy is needed.

Choose Jalon for Best Molecular Sieves

One crucial consideration when refining natural gas is the quality of the molecular sieves employed. Jalon began making a name for themselves as a key supplier of specialist molecular sieves which are specifically dedicated to the requirements of natural gas treatment. It’s specialized and it works. Jalon’s material science and commercialisation know-how in these areas simply guarantees perfection and value creation, reduced operational costs, and a better end-product. For instance, Jalon can provide the 3A molecular sieves for dehydration, coalbed methane purification, or other unconventional natural gas applications. A heightened focus to details and ensuring customer satisfaction have positioned them well as a dependable source for natural gas processor.

Conclusion

The whole process that natural gas undergoes, starting from the earth’s core and ending with reaching our homes and industries, is fascinating in itself and it demonstrates how humans evolved in the quest for energy. The composition of this unique fossil fuel was studied, the techniques used to extract it were explored as well, starting from many vertical wells drilled in a field to more modern methods such as fracking. The sequence of purification was brought to light where the application of molecular sieves greatly improves the quality of the natural gas produced. We’ve also discussed natural gas transportation and storage, while acknowledging ones environmental impact as a result of its production and utilization. At the end, however, the most relevant aspect is being able to comprehend the natural gas journey from the earth to our pipelines in order to make more substantiated choices about the place of natural gas in a green energy system of the future.

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JALON JLOED MOLECULAR SIEVES USED FOR ELECTROLYTE DEHYDRATION

This letter is to inform you that we evaluated Molecular Sieve JLOED 3.0-5.0 MM product from Luoyang Jalon Micro-nano New Materials Co., Ltd to dry our organic solvents for production of electrolyte for Li ion battery. The resulting organic solvents that went through our process with the Molecular Sieve JLOED 3.0-5.0 MM product in our R/D and production facility located in Chico, CA, US passed our specifications showing extremely low content of moisture, below 10ppm. This Molecular Sieve product met our quality requirement, and it is highly recommended for use in the industry of Li ion battery for drying of organic solvents. We also appreciate the technical support from the company.

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