Nowadays, coiled tubing operations involve drilling, completion, oil testing, oil recovery, workover, and gathering. What does the coiled tubing operation mean? Coiled tubing refers to a tube made of low-carbon alloy steel. It has good winding properties. It is also called a coiled tubing. A coil of coiled tubing is several kilometers long and can be used as a substitute for conventional tubing for many operations. Coiled tubing equipment is characterized by pressure operation, which can be continuously started, the equipment is small, the operation cycle is fast, and the cost is low. Then the following focuses to introduce the coiled tubing truck. The self-propelled coiled tubing operation equipment produced by Sino-Dutch Cooperatives in the plateau coiled tubing operation is mainly composed of a self-propelled chassis, an on-board operating mechanism, a blowout preventer group, etc. It has a compact structure and is easy to move and install at the well site. Off-road performance, high operating comfort, large capacity, strong lifting force, etc., can meet the requirements of complex conditions and road transport conditions. The technical characteristics of this car are as follows: 1) The integrated design of the vehicle, the compact structure, and the small turning radius can meet the requirements of the use of the well site and the quick installation and dismantling of the well site, and the operation efficiency is high. 2) Segmented special-shaped frame structure The chassis is made of high-strength hot-rolled steel plate welded, light weight, large load; chassis with all-wheel drive, off-road performance. 3) Elevating control room, can clearly observe the condition of the injection head above the coiled tubing and wellhead. All-weather combination control room has a high insulation level. The “dry†electric/electronic control board is equipped with advanced air conditioning. The working environment of the operators is clean and comfortable. 4) Elevating drum, which sinks inside the frame during normal driving, and the transportation height is less than 4 meters when it is equipped with a standard suspension, which can meet the requirements for domestic bridges; it can be raised in case of complicated road conditions, so that the minimum ground clearance is from 200mm The increase to 600mm greatly enhances the adaptability of the vehicle to complex road conditions. 5) The drum drive force is output by the hydraulic drive assembly, and only the top roller, the injection head holding block, and the three top rollers of the goose diameter pipe need to be replaced. 6) Adopting advanced four-chain injection head, the structure is more compact and the lifting force is stronger. If necessary, two injection heads can be used in series to meet the needs of more complex well conditions, and the four-chain structure can be effectively reduced. The small coiled tubing deforms due to the holding force during the injection process. 7) During transport, the injection head and related pressure control equipment are located at the rear of the truck and the tubing can always be placed in the injection head. 8) The chassis passed 3C certification. The top parts such as the injection head and control room are certified by ATEX to meet the explosion protection requirements at the well site and have high safety. The main components are designed with anti-H2S and reliable performance. 9) The vehicle control adopts SmartMonitor electronic control system, stable performance and convenient maintenance.
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Introduction to Coil Tubing Vehicles