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Advantages and disadvantages of fossil fuels
Advantages and disadvantages of fossil fuels
Advantages and disadvantages of fossil fuels
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Only commercialized in the United States about five or six years ago, a new process of extracting natural gas has emerged called fracking. The natural gas that is extracted from the shale can be into the thousands of feet below the earth’s surface. This new process gives us the opportunity to extract gas that we thought was unreachable through relatively new technological advancements in the field. The concept of horizontal drilling was part of how the United States got to the concept of fracking today. In 1993, the idea of horizontal drilling was fairly new; even the Energy Information Association (EIA) struggled to be able to put together a “widely accepted definition” of what horizontal drilling was. The EIA went on to publish a combination …show more content…
of a few definitions of the process; they published in their publication, “Drilling Sideways—A review of Horizontal Well Technology and It’s Domestic Application”. They defined horizontal drilling as starting off with a drilled vertical bore that goes from the earth’s surface to “a subsurface location just abut the target oil or gas reservoir called the ‘kickoff point’”. From there, they would drill down at a lesser degree creating more of an arch until getting to the “entry point”. After the “entry point” the well would be drilled in a “near-horizontal” direction “tangent to the arch” then all the way through until they reached the “desired bottom”. This basic description of horizontal drilling from the 1993 EIA publication on horizontal drilling was the start and the platform that led to some of the technology and techniques used with fracking today. This technique was used as far back as the early nineties but like so many technologies it has been improved dramatically. The industry leader in both number of land rigs currently in use as well as the technologies used is Helmerich and Payne. Twenty-two years after the EIA wrote that publication on horizontal drilling, companies like Helmerich & Payne have been able to take advantage of the available technology to make state of the art oil rigs.
These rigs have the capability of drilling down into the earth’s surface thousands of feet to then be able to drill horizontally. After they have drilled these horizontal pathways to the shale, then they are able to start fracking. Helmerich & Payne describes their new drill’s capabilities on the companies website by saying, “the AC drive and top drive operating system enables the drill string to be electronically controlled from a computer touch-screen in the driller’s cabin, resulting in drilling efficiencies for customers, particularly when drilling complex unconventional horizontal wells.” The technology in these rigs could be huge in the near future for the United States as we continue to lessen our reliance on the OPEC countries and especially Saudi Arabia for oil. This top drive flexrig is a state of the art drilling rig that lets the operator not only drill horizontally thousands of feet below the surface, but you can drill many legs to the well that offer much greater production all coming through one wellhead. It's important to understand that the improved technologies will be a significant game changer in the long run because they will be able to drive down the cost of each barrel that is …show more content…
recovered. The Energy Information Administration reports that the US has produced a little over 200 billion barrels of oil since 1853 and that the US has proven conventional reserves of approximately 30 more billion barrels; however, that is only conventional oil production. According to Matt Badiali, editor of the S&A Resource Report and trained geologist, conventional oil wells are really an anomaly. Most of the oil in the world doesn't pool in to a reservoir that can be tapped by a conventional vertical drill. It has migrated there from shale rock but most of the oil stays in the shale. If you assume that 80 to 90 percent of the oil stays trapped in the shale then you could conceivably have between 4 to 10 times more oil remaining in the ground than the 200 billion that has been produced since 1853; that would be over a trillion barrels of oil. No one can know for sure what that percentage is, but it is safe to say that far more oil is still trapped in the shale than has been produced to date. Drillers are finding that they can improve the yields that they get from fracking by using more sand or proppants, which is a type of man-made material or treated sand.
Once metric was that the use of only 10 percent more sand per foot of drilling produced 60 percent more oil. In addition to using more sand and pressure there are other techniques that are being used to improve output. Two horizontal wells in close proximity have been show to yield twice the production because the lateral lines are only a few feet from one another so they work to help each other loosen the oil from the shale. Shale drillers in the Permian Basin and at the Eagle Ford Formation both in Texas as also using what they call stacked laterals where wells are drilled side by side and then move laterally underground creating multiple tiers; this is also done at the Bakken formation in North Dakota. Also according to geologist Mr. Badiali, some of these techniques have increased production as follows, 280% in the Niobrara Field in Colorado, 168% in the Marcellus Field in Pennsylvania, 140% Eagle Ford in Texas, 137% in the Bakken in North Dakota. This encouraging statistics are all from Mr. Badiali’s hardcopy newsletter "The Next Phase of The US Shale Boom" from the S&A
report. Now taking a look at what some of the ramifications are of producing more and cheaper energy in the United States. According to data from the National Association of Manufactures, “one in six jobs is a manufacturing job” in the United States. It also says that in the United States, “$35.94 of GDP is produced every hour of work”. That output of GDP produced per hour ranks the United States as having “the highest productivity rate in the world”. Your first thought was how can the US maintain such high productivity? The first and really only place you need to look is at the cost of natural gas worldwide. The United States can produce lowest worldwide cost of natural gas at about $4.50 per thousand cubic foot; with that said, Japan, China, Germany and many countries the world over pay three to four times that for natural gas. Natural gas is very expensive to transport internationally because it has to be reduced to liquid and that means bringing its' temperature down to minus 230 degrees. The cost advantage a US manufacturer has over one overseas since they would have to pay three to four times for natural gas is huge. That cost differential is causing a renaissance in the manufacturing base of the US. All the jobs that were lost in the last thirty years to over seas manufacturers are starting to come back to the US.
This area is known as the Permian Basin. Most of the oil is being produced from rocks
In today's global economy, energy is one of the most crucial and sought after commodities. Who supplies it and how much they supply determines how much influence they have over other countries as well as the global economy. This is why hydraulic fracturing is currently such an important and controversial topic in the United States. Hydraulic fracturing, more commonly known as "fracking" or hydrofracturing, is the process of using pressurized liquids to fracture rocks and release hydrocarbons such as shale gas, which burns more efficiently than coal. This booming process of energy production provides a much needed economic boost, creating jobs and providing gas energy for Americans.
The U.S federal government should significantly increase fracking because oil and gas fracking is big business in America, with more than two million hydraulically fractured wells across the country producing 43 and 67 percent of our national oil and gas outputs, respectively. But in my opinion these wells also nearly played a secondary role as nuclear waste storage sites and had the Atomic Energy Commission had its way with Project Plowshare. And fracking is the process of pumping water deep into the Earth, specifically into underground oil and gas reserves, at tremendous pressures in order to break apart the surrounding rock and free the energy product, which can then be pumped out and used. However in the mid 1950s, scientists from the Atomic Energy Commission and officials from the U.S. Bureau of Mines did begin experimenting with an alternative method of fracking, one that employed nuclear bombs more powerful than anything we dropped on the Japanese.
The United States relies on imports for about forty percent of its crude oil, which is the lowest rate of dependency since 1991 according to the U.S Energy Information Administration. Today our country is trying to keep on track in becoming less and less dependent. When it comes to the topic of the future ways the United States will get its fuel, most of us readily agree that the United States should become more independent by using natural gas that is already here on our land. Where this argument usually ends, however, is on the question of the consequences drilling for natural gas brings. Whereas some are convinced drilling is safe, others maintain that it is actually in fact dangerous. Hydraulic fracturing or "fracking", the terms for drilling for natural gas, is dangerous to our public health and to the environment because of the water contamination it causes. Therefore, it is not something that should become a project for alternative fuel used by the United States.
In the past couple of years the word fracking has been prevalent in the media whether its been mentioned in the news or in the movie Matt Damon stared in titled “Promised Land”. Many people know it as a method of extracting gas from the earth and don’t inquire further into what hydraulic fracturing actually is. Before the process is explained we should understand why it has become prevalent in the last decade. The reason Hydraulic fracturing has become so popular in the last couple of years is because of the passage of the energy policy act of 2005, which contained the Halliburton loophole. The Halliburton loophole stripped the Environmental Protection Agency of its authority to regulate hydraulic fracturing (New York Times 2009). Allowing Hydraulic Fracturing allowed companies to finally access the abundant sources of natural gas legally. This act made it possible to access the vast amounts of natural gas contained in the Marcellus Shale, which created a boom in hydraulic fracturing. What exactly is hydraulic fracturing? Hydraulic fracturing is a method of extracting oil and gas, that is not accessible by conventional drilling methods. The process, injects chemically treated water and sand at high pressures into shale rock to release the oil and gas (Pritchard 2013).
Fracking is the process of extracting natural gas from layers of shale rock deep within the earth. One of the world’s largest plays of natural gas is in the Marcellus Shale, is located in the Appalachian basin and extends across New York, Pennsylvania, Maryland, West Virginia, eastern Ohio and portions of Kentucky and Tennessee. “Plays” are areas where companies are actively looking for natural gas inside shale rock formations. Plays are drilled for natural gas by hydraulic fracturing in a two step process. First, a production well is drilled down into the ground for thousands of feet and then gradually leveled so that the tip of the drill is travelling horizontally through the ground. The second part of the process is where it gets the name of “fracking” because the second step in the process is where a mixture of sand, water, and chemicals, many of which are known to be harmful, are forced under extremely high pressure down into the shale through the horizontal part of ...
...t decades but recently the government has been more involved trying to regulate fracturing processes so that they are safe to the environment and to the people. Although fracking is not very well accepted, many believe that fracking is the only way to extract natural gas and oil efficiently. While others believe that it is harmful to the drinking supply of water and to the environment as all other extractions of natural resources are. Today states, the House of Representatives, and the Senate are all working to help minimize the effects that hydraulic fracturing has within communities and the environment by enforcing stronger laws and regulations within fracturing wells and fracturing companies. Hydraulic fracturing provides sufficient and clean energy that will help minimize the impact on other natural resources that are used for energy as well.
In order to ensure enough organic matter and plenty of space to form commercial shale gas reservoirs, the effective thickness of shale rock is required. Shale gas reservoir’s thickness controls of the economic benefits of shale gas reservoirs. The larger the effective thickness, especially the larger continuous effective thickness, the more the total amount of organic matter, the higher the degree of enrichment of shale gas. The limitation of shale thickness gas can be reduced with maturity of organic carbon content increasing.
The Bakken formation is a rock unit from the Devonian age under parts of Montana, North Dakota, Saskatchewan, and Manitoba. The Bakken formation has been producing oil since 1953. This is the first time a North Dakota well was drilled in the Bakken and at this time, the size was underestimated.
Natural gas extraction and consumption has risen over the past thirty years. Also known as hydraulic fracturing or fracking, a tremendous amount of uproar is being made in the environmental and political communities. Natural gas use is a great source of energy worldwide, only in America have we had a gold rush affect when it comes to extraction. Natural gas provides less dependence on foreign oil, less need for coal plants, and a more affordable energy source worldwide. There are many advantages to using natural gas but the way in which it is being extracted has caused many people to become sick. The detrimental environmental impacts caused by hydraulic fracturing continue to rise. Not to mention the political pull on big corporations and water quality standards. Currently in the Marcellus shale in Pennsylvania and the Barnett shale in Texas, the air and water quality have diminished over the past years since drilling sites ran rampant. Natural gas is natural in terms of how it came to be, but not natural in how they extract it and the problems it is causing everyone involved. To make aware the dangers of hydraulic fracturing, environmental impacts, water quality and air emissions, must be considered.
Fracking has contributed to positive economic impacts and a closer sense of energy independence for the United States. Oil and natural gas rich areas underneath North Dakota have grown to contribute a large percentage of these resources to the overall production in the United States. The fact that the United States holds the potential to gain full energy independence could be not only monumental for the country in a global context but also extremely beneficial to the citizens. Less dependence on foreign exports could mean a healthier future for the country. The energy security potential of fracking, balanced with the environmental risks, make it important that it not be a yes-no question, but rather find a solution to satisfy it in a greater context.
The fracking companies are still profitable in fracking at a price of $45 per barrel. Established pipelines and other infrastructure is benefitting the drillers in these areas. Wells in the ‘stack’ are among the best performing assets according to Continental Resources Inc. Also the ‘Permian’, a major oil producing area has been reborn as a result of the combination of horizontal drilling and fracking according to the
The split type sprocket, a good alternative for solid type that allows quick installation without interfering with the shaft and
The role of shale oil, shale gas, tight oil and tight gas reservoirs, generally classified as unconventional reservoirs, in meeting with the ever-increasing energy demand has come under serious considerations in recent times. While significant successes have been achieved in getting some of these resources out of the ground, detailed understanding on the mechanisms that interplay in these types of reservoirs for their optimal productivity has not being thoroughly researched. This often result in significant hydrocarbons still left unrecovered after such reservoirs have been put to production using existing models and methods of recovery. In essence, there seems to be a need for better characterization of these unconventional reservoirs if they must be developed and produced optimally. It is on this premise I intend pursuing a PhD program with the hope of advancing knowledge that could help solve some part of the problem.
• Pipeline: pipeline transports unrefined petroleum and characteristic gas from oil fields to refineries and afterward to the core of the dial.