replacing pipe from the well when it is necessary to change the bit or other piece of the drill string‚ or when preparing to run certain tests in the well bore. • Top drive o A mechanical device on a drilling rig that provides clockwise torque to the drill string to facilitate the process of drilling a borehole. • Kelly hose o is a flexible‚ steel reinforced‚ high pressure hose that connects the standpipe to the kelly. • Goose neck o A thick metal elbow connected to the swivel and standpipe
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DRILLING THEORY Principles of percussive drilling In percussive drilling‚ the energy required to break the rock is generated by a pneumatic or hydraulic rock drill. Machines of this kind build up a pressure which‚ on being released‚ drives the piston forward (Fig. 1). The piston strikes on the shank adaptor. The kinetic energy of the piston is converted into a stress wave which travels along the drill string to the rock. In order to obtain the best possible drilling economy the whole
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Persuasive speech: animal testing At first‚ thank you for the people who are here to listen to my speech. I’m honor to be here so that I can express my strong argument in this place. Before beginning my speech‚ I want to ask you a question. It’s a short question‚ but not simple. Please think carefully. Is there the most superior living species? I think most of you would be quite perplexed. Yes. You should be. As I said‚ it is not a simple question. But also‚ simultaneously‚ there is a one‚ 100% perfect
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Recently‚ though a new argument has come to Alaska‚ one that could destroy the traditions of the Gwich’in forever. Politicians‚ environmentalists‚ economists and neighbors now fight over the prospect of oil drilling in the Arctic National Wildlife Refuge. Many of the arguments for drilling are worth consideration; however‚ in comparison to the evidence against it‚ they are neither convincing nor compelling. In order to fully understand why drilling in the Arctic National Wildlife Refuge is such
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benefit from my words? The audience will benefit from my words because they will discover the pros and cons of the death penalty. 3. Will they learn something new? We feel that each audience member will take something away from this speech. Each audience member can take different information‚ and it will resonate with each of them differently. Purpose Statement: By the end of our speech the audience will have a better understanding of the death penalty. The audience will be persuaded
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Persuasive speech outline purpose: To persuade my audience to donate blood through the American Red Cross. Introduction: 1. Did you know that blood donated to the American Red Cross saves XXX lives per year? 2. People should give blood because it is easy and though there might be a little pain involved it is worth it because it saves so many lives and you get great snacks. Body: I. Giving blood is easy a. It only takes about an hour b. You just lay back and let the nurses do the work c. It
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“Introducing sex education in middle school is very important as many cases of teenage pregnancy have been reported in the past few years” Final Persuasive Speech April 21‚ 2013 I am writing to persuade you of how it is important to talk to our young children in middle school about sex and teen pregnancy. Sex education is one of the most controversial issues in education. This has been hovering over educational institutions since ages. It is probably the most debated topic that will always
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Persuasive Speech #2 I. Introduction “The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.” This quote by Friedrich Nietzsche speaks volumes toward the importance of individuality and self-expression. It shows how conformity can lead to complacency and “corrupt” our most valuable resource‚ our youth. School uniforms do just that. The requirement of school uniforms can cause more problems than they solve ranging
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Persuasive Speech Parts Explained PERSUASIVE OUTLINE Begin with an Attention Step that is an Opening statement of interest: (use one or more of the following) * A rhetorical question * A startling statement * A quotation * An illustration or story * A reference to the subject * A reference to the occasion Motivate audience interest in your subject by alluding to: (use one or more of the following) * The practical value of the information for your audience * A reason
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Elizabeth Nordstrom Speech Communications: Section 49 Persuasive Speech Outline Why Every College Student Should Exercise INTRODUCTION 1. Hello everyone‚ my name is Liz Nordstrom and today I have come to speak with you all about how important it is to not only be physically active‚ but to take care of your body by also eating healthy. There are many benefits that come from working out for a short period of time each day. A lot of these benefits are physical and mental‚ however there are many that
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