Pump compressor Pipe (or in short of tubing) are widely used in the oil and gas industry: in oil and gas wells, lowering of lifting and repair works, transportation of various liquids and gaseous substances. These products operate in heavy and severe operating conditions: constant pressure and high mechanical loads, and the impact on the wall aggressive environments. In addition, the tubing is continuously exposed to corrosion and erosion.
All this requires a high durability from the products, they must ensure the integrity and reliability of the whole system. For clamping pipes with threaded connection is designed. It provides high impermeability, durability under conditions of high stress, durability and maintainability of the products, and also good permeability of the columns in wells with a complex profile.
Tubing-pipe off the following types of pipes:
smooth;
- smooth according to GOST 633-80;
- smooth vysokoaromatichnyj;
- smooth vysokoaromatichnyj according to GOST 633-80;
- smooth with the seal Assembly;
- smooth vysokoaromatichnyj;
- steel tubing with upset ends ARI 5CT;
- with high ductility;
- with improved cold resistance.
Requirements for tubing
The tubing and couplings used to join them, strict requirements of quality, which ensures the reliability and durability of products. So, on the inner and outer wall should be no cracks, delamination, cavities. Possible grinding or cutting of these defects, but this should respect the following condition: the depth of the patch shall not exceed the maximum minus off the thickness of the walls.
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The Number and size of defects in the tubing and coupling to them is strictly regulated. Exceeding the permissible norms is excluded.
If the pipe tubing is lowered into the wellbore, it is necessary to check its internal diameter and the total bent using the mandrel, the length of which is 1250 mm and the diameter depends on the diameter of the inspected product. Especially, this procedure should be carried out in the case of using rod pumps or in the presence of salt deposits, gypsum, paraffin wax.
Each pipe tubing must be labeled. The marking is applied at a distance of about 0.4-0.6 meters from the end product by rolling or hammering method, and must contain the following information: nominal pipe diameter, the number, group strength, wall thickness, name of manufacturer and date of issue. All dimensions must be in millimeters. Marking is a bright paint resistant to various influences.
Pipe tubing is produced according to the technical documents, which may differ for each manufacturer, but the General requirements should not contradict to the accepted conditions. Mostly the differences are in different threads trapezoidal profile, sealing elements, etc.
In General, the steel tubing should be of high quality and durable, only then it will ensure the reliability of all systems that use it.
Article in other languages:
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DE: https://tostpost.com/de/gem-tlichkeit/9332-rohr-steigrohr-grundlegende-konzepte.html
ES: https://tostpost.com/es/la-comodidad-del-hogar/9339-el-tubo-de-la-tuber-a-conceptos-b-sicos.html
KK: https://tostpost.com/kk/domashniy-uyut/9332-nkt-neg-zg-ymdar.html
PL: https://tostpost.com/pl/komfort-domu/9330-rury-rury-rury-podstawowe-poj-cia.html
PT: https://tostpost.com/pt/o-aconchego-do-lar/9325-a-tubula-o-dupla-conceitos-b-sicos.html
TR: https://tostpost.com/tr/domashniy-uyut/9337-boru-boru-temel-kavramlar.html
UK: https://tostpost.com/uk/domashn-y-zatishok/9332-truba-nkt-osnovn-ponyattya.html
Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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