AC400型水泥车混浆系统改造

发布时间：2018-07-17 02:49

【摘要】：水泥车是固井行业中最为核心的装备,水泥车混浆系统是水泥车能不能实现均匀混浆的核心部件,为了实现AC-400型水泥车的再利用,本文通过比较分析AC-400型水泥车与目前流行的单机单泵水泥车,对原有AC-400型水泥车进行改造,改变了外设混浆设备、单喷嘴混合器一次混合的缺点,水泥浆密度的均匀程度得到有效提高,稳性能较强,混浆过程不污染环境,减少了固井作业增大了风险,更为有效的保护了作业人员的健康,使现场HSE表现水平不断提高。本文通过对水泥车液压系统、混浆系统、以及改造后管线布局等5大方面研究分析了AC-400型水泥车改造的方向及方法,在不改变水泥车大致外观的情况下,利用底盘柴油机取力,增加液压系统,增加两台离心泵,增加一套新式混合器,可完全改变原有的混浆方式,提高混浆效率和质量、实现密闭下灰。改造研究的重点是解决对混浆系统的动力匹配和液压系统设置的研究,最后形成了系统的水泥车研究改造方案。通过9口井作业施工数据表明:本改造方案能够较完备的实现密闭下灰、混浆,实现了集中控制、单人操作。相对直接够买单机单泵水泥车节约了大量成本,虽然改造的水泥车不具备高压、大灰量以及复杂和质量风险较高的油气层固井作业,但其完全可以应对表层及1000米左右的技套固井以及水泥塞等固井作业,降低固井作业成本,可创造出明显的经济价值,解决了现场需求。
[Abstract]:Cement truck is the most important equipment in cementing industry. Cement truck mixing system is the core component of cement truck to realize even mixing. In order to realize the reuse of AC-400 cement vehicle, By comparing and analyzing the AC-400 cement truck and the single pump cement truck, the original AC-400 cement truck has been reformed, which has changed the shortcomings of the peripheral mixing equipment and the single nozzle mixer. The homogeneity of cement slurry density is improved effectively, the stability is strong, the mixing process does not pollute the environment, the cementing operation increases the risk, the health of the workers is more effectively protected, and the field HSE performance level is continuously improved. In this paper, the hydraulic system, mixing system and pipeline layout of cement truck are studied and analyzed in this paper. The direction and method of the modification of AC-400 type cement vehicle are analyzed. Under the condition of not changing the general appearance of cement truck, using the chassis diesel engine to take force. By adding hydraulic system, adding two centrifugal pumps and adding a new mixer, the original mixing mode can be completely changed, the mixing efficiency and quality can be improved, and the airtight ash removal can be realized. The emphasis of the research is to solve the problem of dynamic matching and hydraulic system setting of the mixing system. Finally, a systematic research and transformation scheme of cement truck is formed. Through the operation data of 9 wells, it is shown that the reconstruction scheme can complete the closed ash and slurry mixing, realize centralized control and single operation. Relatively directly enough to buy a single pump cement truck saves a lot of cost, although the modified cement truck does not have high pressure, large ash content, complex and high quality risk oil and gas reservoir cementing operations, However, it can completely deal with surface cementing and cementing operations of 1000 meters or so, reduce the cost of cementing operation, create obvious economic value and solve the field demand.
【学位授予单位】：东北石油大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TE925.2

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