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第195章 实习后期(1 / 2)

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最后的阶段一直在学跟抽油机相关的内容,包括抽油机井的日常维护,换压力表、换阀门、安装管线、热洗井,最后的最后还参观了水井的生产和维护,学习了更换水井芯子和做绳结。

1.安装压力表

(1)准备工作:①正常生产井一口,②选一块与井场压力表量程相符的表,③生料带一卷,④工具:150mm螺丝刀一把,保护接头一个,管钳一把,200mm,300mm活动扳手各一把,棉纱少许,纸笔。

(2)操作步骤:

1)选择合格的压力表并在其接头上缠上少许密封胶带。

2)检查压力表保护接头并在接头上缠上少许胶带。

3)关闭生产阀门或套管阀门。

4)用管钳将压力表来保护接头安装在生产闸门或套管闸门上。

5)用活动扳手将压力表安装在压力表保护接头上,并使表盘朝着易于观察压力的方向。

6)带紧并用活动扳手拧紧防压螺丝。

7)缓慢打开保护接头的阀门。

8)侧身缓慢打开生产闸门或套管闸门,观察连接处有无次漏。

9)若无刺漏则观察压力,安装完毕,有刺漏则应放压后重装。

(3)施工检验:起抽3-5分钟冲程,压力上升3-5Mpa。稳压30分钟,压力降少于0.5Mpa则说明施工井合格。

(4)卸压力表步骤:

1)关闭生产阀门或套管阀门。

2)站在放压口相反的位置或侧面,打开放压顶位。

3)用活动扳手卸掉压力表。

4)用管钳卸掉保护接头。

5)安装斯堵,打开生产闸门或套管闸门。

(5)注意事项:

1)使用工具应轻拿轻放。

2)在表接头和保护接头必须缠少许胶带保证密封。

3)不合格的压力表不能使用。

4)打开防压顶丝时站在安全的位置上。

2.更换胶皮闸门

首先是准备工具:φ62mm胶皮闸门一个,密封胶带若干盒,一把钢丝刷,管钳一把(900mm),活扳手一把(300mmx36mm)

接下来是操作过程:

(1)检查:

1)关闭胶皮闸门,检查胶皮闸门是否完好;

2)打开胶皮闸门,检查丝杠是否完好;

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