First of all, what in the world is coiled tubing? Otherwise referred to as CT, coiled tubing is a manufactured product used in field operations such as well service, workover applications (petroleum industry well work), and drilling and completion applications. Just as is sounds, CT is essentially a continuous tube with a diameter of .75 inches up to 4.5 inches that is reeled onto a spool, which has a core diameter of approximately eight to twelve feet. The tubing is made from rolling strip metal, usually a carbon based steel, into cylindrical form and weld along its entire length. The longitudinal weld is made using a high-frequency induction electrical resistance method. The welding process produces a small amount of weld flash on both the inside and outside of the tube. This is removed from the outside diameter of the tube after welding by a carbide cutting tool contoured to the diameter of the tube being produced. The weld vein is instantly re-heated to re-crystallize the welded zone to match the grain composition of the base metal. So in other words, you have this extremely long steel tubing coiled up like a garden hose on reel without any visible end welds. The entire length is non-destructively inspected, then gauged and hydrostatically tested to assure the pipe meets customer specifications prior to shipment. A single spool can carry an average length of approximately 15,000 feet but have been fabricated up to 30,000 feet depending on the diameter of the tubing.
Tubing continuously wraps and unwraps over its spool and over the tubing directional arch (“gooseneck”) as it goes in and out of the well. This bending and straightening causes an extreme amount of wear and tear. This process is known as cyclic bending and along with the internal pressure may result in a life expectancy of less than 100 cycles. Another downfall is the tendency for the walls to thin, thus increasing the diameter of the tubing as cycles increase. Tests have shown up to 30% increase in the diameter. This plastic type growth is sometimes referred to as ballooning. This effect is worse on the tubing that does not rotate during deployment and the walls thin more on one side that the other. Elongation is another effect that results from the forces of fieldwork, with reports stating up to ten feet of permanent elongation per trip!
Compared to the linear peristaltic pump and rotary peristaltic pump, the 360 degree peristaltic pump runs more slowly at the same performance. As a result, the hoses will have longer lifetime which is economic. Furthermore, the 360 degree peristaltic pump produces less friction due to the unique structure, and therefore less thermal. Especially, the 360 degree peristaltic pump has only a single compression per rotation while the ordinary pumps with numerous shoes or rollers have at least two or more compression per revolution. This means that the design of the 360 degree pump will prolong the lifetime of the tube. At the same size, this design will generate more flow volume (55%) at the same
A pipeline welder is my post secondary plan. A pipeline welder is someone who travels place to place to weld on pipelines. My uncle is a pipeline welder he travels to offshore rigs or to different countries to weld on pipes that his company uses to drill for oil. These welders make between $50,000 to $185,000 a year. This job requires at least a high school diploma others employers look for certifications from technical schools.
These products can be found in many of the worlds markets. They use titanium, nickel, and stainless steel tubing in many of these Specialized Products. Some of these Specialized Products include: L&P Automotive Group, Paris Spring, Western Pneumatic Tubes, Specitubes, Global Systems Group, and Vertex Fasteners (Leggett & Platt®, 2011).
Welding is a very important job in today’s society. With new building designs, and bridges to every day metal products, welders are needed to do these tasks. Almost everything that you use every day has some sort of weld to it.
Charles Dickens once quoted, “Life is made of ever so many partings welded together” ("Charles Dickens Quotes" ). Dickens is using welding as a metaphor but had a point behind what he said. There is no greater bond than a weld, if a weld can hold a life together then there is nothing a good weld can not hold. Without welding America would not be the strong country it is today. There would be no skyscrapers, cars, airplanes, boats, major plumbing, or even the chairs in a classroom. Welding even plays a big part in the making of the military from putting together the first tank to the first warship. One could say welding is what put the United States together and is holding it together with all the jobs it has created throughout history. Thus,
Wiping the sleepies out of my eyes, I quickly glanced at my alarm clock – 5 am. “Good, I’ve got plenty of time,” I thought to myself. As quietly as possible, which never works when I am trying to, I quickly grabbed a bowl of cereal for breakfast. Checking my list and grabbing my gear I headed out to wait for a taxi in the cool fading morning. I could taste the excitement, or was that the humidity?
The first trip to the hardware store presents a dizzying array of possible items for purchase and leads to a feeling of helplessness of trying to sort out all the choices for pipe repair. Solder, flux, butane torch, and pipe cutter are strange objects that belong in the plumber’s arsenal, rather than the hands of an inexperienced homeowner. Learning to solder and repair copper pipe on the Fourth of July weekend is not supposed to be in the plans, but eight hours of failure that lead to the final Aha!... ... middle of paper ...
Not certain if your home or the home your buying has knob and tube wiring? Walk right down to the basement and take a good look at the ceiling. If you see white ceramic knobs nailed to the joists with electrical wires snaking through them, there is knob and tube wiring present. Don’t see any? Then take a peak in the attic and look for the same. Knob and Tube wiring is the oldest residential wiring known. Ceramic knobs support individual strands of wire along their run and ceramic tubes protect the wire where it passes through wall studs or floor joists. If you don’t see any of these symptoms in the basement or attic then the house is most likely clear of knob and tube, but not 100% guaranteed.
In the story, Like a Winding Sheet, author Ann Petry depicts a tale of a hard working man and his internal battle with anger, self-realization and the daily woes of being black in America. At the end of the story his wife, Mae Johnson, becomes the recipient of the anger Johnson has held so. close to him. Through symbolism, style, and mood, Petry allows the character to embrace the world around them, leaving me questioning the subject of violence, racial discrimination, and hate. Although Like a Winding Sheet is a short story, it bears witness to a generation of men, who during this time, had very little voice and power
The recruiter told me Tig welding would be the best choice for me but I don’t know if I’m sure on that. I did a little research on pipe line welding but I couldn’t find too much of noting on the website I was on. The recruiter also told me Tig welding will be the hardest and take the longest to learn. I aren’t even tripping about that though because I know that in order for me to succeed something have to be hard alone the way, nothing comes easy for nobody.
There is different types of rods and different types of ways to weld. You need a lot of training for it. There are many schools and colleges you can go to receive welding education. The most common welding processes are Gas Metal Arc Welding, Flux Core Arc Welding, Gas Tungsten Arc Welding and Shielded Metal Arc Welding. The easiest of these is the Gas Metal Arc Welding. Welding options are stick, flux core, tig, and mig. The pipeline tig and stick welds a lot more than the other .The pipeline use many types of techniques but, the most common on the pipeline is downhill root pass and the up hill pass. The median annual wage of welders, cutters, solderers, and brazers is
These reels usually have a series of gears that turn the line collecting devices several times for each crank of the handle.
The connecting rod or con rod connects the piston to the crank or crank shaft. Together with the crank, they form a simple mechanism that converts reciprocating motion into rotating motion. As a connecting rod is rigid, it may transmit either a push or a pull and so the rod may rotate the crank through both halves of a revolution, i.e. piston pushing and piston pulling. In modern automotive internal combustion engines, the connecting rods are most usually made of steel for production engines, but can be made of T6-2024 and T651-7075 aluminum alloys, or titanium. There are different types of materials and production methods used in the creation of connecting rods. The most common types of connecting rods are steel and aluminum. The most common type of manufacturing processes is casting, forging and powdered metallurgy. Connecting rods are subject to tension and compression loads. A connecting rod is an engine component that transfers motion from the piston to the crankshaft and functions as a lever arm. Connecting rods are commonly made from cast aluminum alloy and are
Pipeline transport is the use of pipes to convey various products from one point to another. These pipes can be made up of metal, plastic or even ceramic. It is efficient in transporting petroleum and natural gases over long distances. It is also convenient and economical in transporting petroleum and natural gases when compared to truck and rail modes of transport. It allows for the transport of large volumes of the commodity (Clifford