Casing Tubing API Connection Ratings Proprietary Connections Connection Failures Connection Design Limits General References Casing is the major structural component of a well. Casing is needed to 1. Maintain borehole stability 2. Prevent contamination of water sands 3. Isolate water from producing formations 4. Control well pressures during drilling, production, and workover operations Casing provides locations for the installation of 1. Blowout preventers 2. Wellhead equipment 3. Production packers 4. Production tubing The cost of casing is a major part of the overall well cost, so selection of casing size, grade, connectors, and setting depth is a primary engi See more on petrowiki.spe Casing Coupling, Tubing Coupling, Torque Ring WholesaleCouplings are short lengths of pipe used to connect 2 joints of tubing or casing . Pup joints and varying lengths of tubing and casing are used to adjust the production string length as close as possible to the desired value. Torque Rings are steel rings inserted into the couplings of standard API threaded and coupled tubing and casing connections.
API 5CT L80 Casing Tubing is a API 5CT Oil Casing Pipe & mainly used for oil well drilling. We manufacture API 5CT L80 Casing Tubing in accordance with the SY/T6194-96 standard, it is available as short thread type and long thread type supplied with their couplings . Tubing Pipe & Casing Pipe Manufacturers Supplier Tubing and Casing line pipe and couplings OCTG casing and Drilling Completions. WRG supplies one full range of high quality casing and tubing series, drill pipe series, down hole motors series, sucker rods series and related accessories for use in all types of oil and gas drilling and well completion activities. For the OCTG productions, besides our Chinese facilities, we strategy set up our Tubing and Casing line pipe and couplings OCTG casing and
Product:Casing and Tubing Coupling , Casing Coupling , Tubing Coupling Application:Used for connect 2 joints of tubing or casing Size:Tubing Coupling 1.9'' is best OCTG -casing , OCTG -Tubing and OCTG -coupling for casing &tubing supplier, we has good quality products & service from China.OCTG & Line Pipe Steel Products Trek MetalsOur Steel Company offers OCTG Tubing and Casing , OCTG Couplings and Pup Joints, and Line Pipe steel products to customers in the USA and from around the world. Our 120+ years of experience as a global steel company help ensure steady and readily available supplies.