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јун 23, 2022
Objavio Lisa Tan u јун 23, 2022
Kategorije
Knowledge of oil casing Basic knowledge Oil casing is a large-diameter pipe that acts to fix the wall or bore of oil and gas oil wells. The casing is inserted into the wellbore and fixed with cement to prevent the wellbore from separating the rock formation and the wellbore from collapse, and to ensure the circulating flow of drilling mud to facilitate drilling and exploitation. Different types of casings are used in oil production: Surface oil casing – protects the well from contamination by shallow water and shallow gas layers, – supports wellhead equipment and maintains the weight of other […]
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јун 17, 2022
Objavio Lisa Tan u јун 17, 2022
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Casing Classification and function of casing Casing is the steel pipe that supports the wall of oil and gas wells. Several layers of casing are used for each well according to different drilling depths and geological conditions. Cement cementing should be used after the casing is run down the well. Разликује се од цеви и бушилице и не може се поново користити. То је једнократни потрошни материјал. Zbog toga, the consumption of casing accounts for more than 70% свих цеви за нафтне бушотине. Casing can be divided into: водовод, сурфаце цасинг, technical casing and oil casing according to the usage, […]
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Може 31, 2022
Objavio Lisa Tan u Може 31, 2022
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This kind of construction method refers to the construction method of burying the steel pipe piles with side protrusions (ribs) in the cement-soil column, and integrating the two to form a composite pile. The so-called cement-soil column is a mixture of cement slurry and soil with a poor mix ratio injected from the cobalt head while drilling with a special drill bit on the pile position. The diameter of the synthetic steel pipe pile (то је, the diameter of the cement-soil column) is 600~1500mm, which is 200~400mm larger than the outer diameter of the steel pipe, and the applicable pile […]
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Може 27, 2022
Objavio Lisa Tan u Може 27, 2022
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Метода конструкције челичних шипова са средњим ископом односи се на уметање специјалне опреме за бушење у шип челичних цеви отвореног типа., и притискање гомиле челичне цеви у тло дизалицом под притиском или дизалицом током бушења и вађења земље. 1. Метода обраде краја шипова (прскање цементне суспензије и мешање да би се формирала увећана глава, или завршни штрајк, или изливање бетона, i sl.) да би се добила већа носивост. (1) Карактеристике ТН. метода Убаците дугачку бушилицу у гомилу челичне цеви како бисте је избушили у тло; then use the […]
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Може 19, 2022
Objavio Lisa Tan u Може 19, 2022
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4.1 Метода забијања шипова са дизел чекићем са бубњевима (1) Метода “тежак чекић и низак ударац” треба усвојити за гомилање. (2) Оквир шипова генерално има носач шипова на 3 тачке. (3) Висина врха гомиле челичне цеви у низу шипова често је закопана испод природног тла према пројекту. Током изградње, може се усвојити: @ ископати тло до пројектоване коте врха шипа пре забијања; ② Врх шипа се забија на природно тло, and then the pipe is cut To the design […]
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Може 9, 2022
Objavio Lisa Tan u Може 9, 2022
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1 Overview For more than half a century, steel pipe piles have gradually become one of the main types of piles in foundation engineering. Steel pipe piles are widely used in Shanghai, my country, and some deep-water wharves, Baoshan iron and steel plants, power plants and dozens of high-rise buildings are all based on steel pipe piles. 2 Advantages and disadvantages of steel pipe piles (1) Предности: Good driving resistance, то је, it can withstand a strong impact force when it is driven into the soil, has a strong ability to penetrate the hard soil layer, and can effectively drive […]
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Април 25, 2022
Objavio Lisa Tan u Април 25, 2022
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Double-layer lined screening pipe The double-layer lined screening pipe is composed of a base pipe of API standard, a double-layer high precision wedge wire filter pipe and lined filter material in between. Жичана цев за филтер за воду се прави заваривањем жице за намотавање клина и клинасте шипке: 1.High-precision screening gap can effectively control sand and act as a protective medium. 2.The use of double-layer lined screening pipe can reduce diameter of drilling hole, save drilling time, and reduce drilling cost. 3. The use of double-layer lined screening pipe can reduce the workload of operators, and improve the success rate of drilling. 4.Filter material can be […]
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Април 18, 2022
Objavio Lisa Tan u Април 18, 2022
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Hole-drilled pipe We supply hole-drilled pipes of various specifications and materials and provide hole-drilling services, and you are welcome to call and inquire us! Diameter of hole-drilled pipe：114mm，127mm，140mm，168mm，178mm，219mm，245mm，273mm，325mm，406mm，426mm，530mm，630mm。 Materials of hole-drilled pipe: Нерђајући челик, угљен челик, J55，N80，and L80. 2. Water filter pipe for geothermal well A geothermal well filter pipe is composed of a base pipe of API standard and a wire-wound filter pipe of high precision. Жичана цев за филтер за воду се прави заваривањем жице за намотавање клина и клинасте шипке: 1.It has strong pressure bearing capacity. With the support of the inner-layer base pipe, even if external filter pipe is […]
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