Liquid adding device and system
A liquid adding device, gathering and transportation system technology, applied in the direction of cleaning equipment, measurement, wellbore/well parts, etc., can solve the problems of complex structure, inconvenient transfer and disassembly of the dosing device, and achieve simple structure and low cost , The economical effect of the liquid addition process
Pending Publication Date: 2019-06-28
PETROCHINA CO LTD
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Problems solved by technology
[0005] This application provides a liquid adding device and system to overcome the technical problems of inconvenient transfer and disassembly caused by the complex structure of the drug adding device in the prior art
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[0047] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the scope of protection of this application.
[0048] The terms "first", "second", "third", "fourth", etc. in this application, if any, are used to distinguish similar items and not necessarily to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein, for example...
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The invention provides a liquid adding device and system. The liquid adding device can comprise a first tank body. A liquid inlet pipeline and a gas inlet pipeline are arranged on the top of the firsttank body. A first liquid outlet pipeline is arranged at the bottom of the first tank body. The liquid inlet pipeline is used for being communicated with a liquid storing device so that the liquid storing device can add liquid into the first tank body. The gas inlet pipeline is used for being communicated with a sleeve gas outlet of a Christmas tree so that the Christmas tree can convey sleeve gas into the first tank body. The first liquid outlet pipeline is used for being communicated with a gathering and conveying system so that the gathering and conveying system can convey liquid to an oilwell. The first liquid outlet pipeline is provided with a first control valve. The first tank body is provided with at least one first bypass pipeline, and each first bypass pipeline is provided witha second control valve. The liquid adding device and system are simple in structure and low in cost.
Description
technical field [0001] The embodiments of the present application relate to oil and gas recovery technologies, and in particular to a liquid adding device and system. Background technique [0002] In the process of oilfield development, in order to make the oil well produce normally for a long time, it is often necessary to add corrosion inhibitors, wax inhibitors, scale inhibitors and other agents into the oil well to achieve the purpose of corrosion inhibition, wax prevention and scale prevention of the oil well. [0003] Among them, the device used to add medicine to the oil well is a dosing device. The dosing device in the prior art is to push the medicine into the stirring tank through a power pump for stirring, and transport the stirred medicine to the gathering and transportation system and Added to the well. [0004] However, the structure of the dosing device in the prior art is relatively complicated and bulky, and an automatic control system is usually used for d...
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IPC IPC(8): E21B41/02E21B37/06E21B47/06
Inventor 苏杰张亚鹏杜小蓉张强崔小虎张文波陈文陈宇翔贾传志张雷杨敬武吴文涛寇国张波程开河胡登强岳阳侯永宾曹晓江王法鑫李洋徐永强达尼亚·热夏提蒲勇陈磊梁艳军王伟杨博董丰硕周碧辉雷腾蛟袁婷婷杨小英田珂马金龙张雍浩董国阳李艳丽王仲平张琪刘毅石
Owner PETROCHINA CO LTD