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煤层气用游梁式抽油机的研究

发布时间:2019-02-19 21:23
【摘要】:煤层气的产出一般利用专用排水设备,从目前现场开采的情况来看,有杆泵的使用占据着绝对大的比例,地面设备主要是游梁式抽油机。游梁式抽油机技术在我国油气开采中已经比较成熟,但煤层气排采有其自身的特点:开采前期含水量比较大,需要迅速降压,当稳定压力以后,排水量又相对比较小。所以这就意味着一味的技术移植并不能解决现场所有的问题,反而由此产生了很多新问题,主要是游梁式抽油机的配置不合理。针对这个问题,以CYJ6-3-26HY型号游梁平衡抽油机为例去深入研究,实践证明此型号抽油机满足了现场的开采需求。主要完成的工作如下:(1)结合煤层气井的特点,制定煤层气用游梁平衡抽油机的选型依据;(2)对CYJ6-3-26HY型游梁平衡抽油机进行机构参数、运动分析、受力分析计算;(3)对CYJ6-3-26HY型游梁平衡抽油机在各个冲程下分别进行减速器扭矩分析计算,得出此种游梁平衡抽油机在实际开采中的适用范围;(4)CYJ6-3-26HY型游梁平衡抽油机驱动装置的计算与选择,对主要部件减速器齿轮进行校核计算;(5)针对游梁平衡抽油机实际使用情况,对主要部件进行结构优化;(6)由国家标准制定CYJ6-3-26HY型游梁平衡抽油机的厂内型式试验;(7)结合此型号游梁平衡抽油机的现场使用情况,初步建立煤层气用游梁平衡抽油机的系列化。
[Abstract]:The output of coalbed methane is usually produced by special drainage equipment. From the situation of field mining at present, the use of rod pump occupies an absolute large proportion, and the surface equipment is mainly beam pumping unit. Beam pumping unit technology has been more mature in oil and gas production in China, but the coal bed methane drainage has its own characteristics: the water content in the early stage of exploitation is relatively large, the pressure needs to be lowered rapidly, and the displacement is relatively small after the stable pressure. So this means that the technology transplant blindly can not solve all the problems on the spot, on the contrary, there are many new problems, mainly because the configuration of beam pumping units is unreasonable. In order to solve this problem, taking CYJ6-3-26HY type beam balancing pumping unit as an example, it is proved that this type of pumping unit can meet the demand of field mining. The main works are as follows: (1) based on the characteristics of coalbed methane wells, the selection basis of beam balanced pumping units for coalbed methane is established; (2) the mechanism parameters, motion analysis and force analysis of CYJ6-3-26HY type beam balancing pumping unit are carried out. (3) the torque of reducer of CYJ6-3-26HY type beam balanced pumping unit under each stroke is analyzed and calculated, and the applicable range of this kind of beam balanced pumping unit in actual mining is obtained. (4) the calculation and selection of driving device of CYJ6-3-26HY type balanced beam pumping unit, checking and calculating the gear of main component reducer, (5) optimizing the structure of main parts according to the actual use of beam balancing pumping unit; (6) the in-plant type test of CYJ6-3-26HY type balanced beam pumping unit is formulated by the national standard. (7) the serialization of the balanced beam pumping unit for coalbed methane is preliminarily established according to the field application of this type of beam balanced pumping unit.
【学位授予单位】:中国石油大学(华东)
【学位级别】:硕士
【学位授予年份】:2015
【分类号】:TE933.1

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