Overview of Drill Pipe in Oil and Gas Industry

Drill Pipe Oil and Gas Well casing Tube  API 5CT J55, K55, N80q, L80, T95, P110, Q125, 13cr OCTG Casing Tubing and Drill Pipe with Btc, Nue, Eue, Premium/R3 Drill pipe plays a crucial role in the oil and gas industry, serving as a conduit for drilling fluids and connecting the drilling rig to the bottom of the wellbore. It is an essential component that enables the extraction of oil and gas from deep beneath the earth’s surface. In this article, we will provide an overview of drill pipe, its various types, and its significance in the oil and gas industry. Drill pipe is a hollow, thick-walled steel tube that is used to transmit drilling fluid and torque from the surface to the drill bit. It is typically made from high-strength alloy steel to withstand the harsh conditions encountered during drilling operations. The drill pipe is connected in sections, known as joints, which are screwed together to form a continuous pipe string. API 5CT is the industry standard for drill pipe specifications. It defines the technical requirements for the manufacture of drill pipe, including the material grade, dimensions, and mechanical properties. The most commonly used material grades for drill pipe are J55, K55, N80q, L80, T95, P110, Q125, and 13cr. These grades differ in terms of their strength, corrosion resistance, and suitability for specific drilling conditions.
     Calculated Mass c
  Nominal Linear Mass T& C b,cWall Thick- ness   em, Mass Gain or Loss Due to End Finishing d
Labels aOutside Diameter  Inside DiameterDrift DiameterPlain- endkg
       Round ThreadButtress Thread
      wpe    
 Dkg/mtDmmkg/mShortLongRCSCC
 mm mmmm      
123456789101112
717177.825.65.87166.06162.8824.897.61
720177.829.916.91163.98160.829.126.74— 7.94— 8.28— 0.58
723177.834.678.05161.7158.75 e 158.52 156.24 153.9033.76.267.948.280.58
723177.834.678.05161.7152.40 e33.76.267.377.65–0.54
726177.839.149.19159.42151.638.215.796.797.13–0.69
729177.843.610.36157.08149.3242.786.236.4–1.31
732177.847.9211.51154.78147.1847.26.236.4–1.31
732177.847.9211.51154.78142.8647.25.685.79–1.91
735177.852.0912.65152.5139.7251.525.185.24–2.47
738177.856.113.72150.36136.5255.52
742.7177.863.8415.88146.04133.3863.41
746.4177.869.3517.45142.9130.1869.01
750.1177.874.8519.05139.7 74.58
753.6177.880.2120.62136.56 79.93
757.1177.885.4222.22133.36 85.25   
7 5/824193.6835.727.62178.44175.2634.967.11— 8.58— 9.12— 2.59
7 5/826.4193.6839.298.33177.02173.8438.086.787.918.381.84
7 5/829.7193.6844.29.52174.64171.4643.247.137.510.98
7 5/833.7193.6850.1510.92171.84168.6649.226.166.44– 0.10
7 5/839193.6858.0412.7168.28165.156.685.325.5–1.03
7 5/842.8193.6863.6914.27165.14161.9663.144.875.01–1.52
7 5/845.3193.6867.4115.11163.46160.2866.544.484.57–1.96
7 5/847.1193.6870.0915.88161.92158.7469.63
7 5/851.2193.6876.1917.45158.78155.675.84
7 5/855.3193.6882.319.05155.58152.482.04   
7 3/446.1196.8568.615.11166.63165.10 e67.72
7 3/446.1196.8568.615.11166.63163.4567.72
The drill pipe is available in various sizes, known as nominal pipe sizes (NPS), ranging from 2 3/8 inches to 6 5/8 inches. The length of the drill pipe joints is typically 30 feet, although longer lengths, such as 45 feet or 60 feet, can also be used. The ends of the drill pipe are threaded to allow for easy connection and disconnection. There are three main types of drill pipe connections: BTC (Buttress Thread and Coupling), NUE (Non-Upset Thread and Coupling), and EUE (External Upset Thread and Coupling). BTC connections are widely used in the oil and gas industry due to their high torque capacity and resistance to galling. NUE connections are used in less demanding applications, while EUE connections are designed for high-pressure and high-torque operations.
In addition to the standard drill pipe, there are also premium connections available, 60ml PE Perfume Plastic Packaging Tube with Roll on Cap for Cosmetic Perfume/Essence Oil

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