【多选题】
在组合钻具时井口操作正确的是（ ）。___
A. 放卡瓦时钻具下放速度要快
B. 放卡瓦动作要快.利索
C. 当卡瓦牙板有脏物时，要及时清理
D. 选择合适的钻具卡瓦
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答案
BCD
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相关试题
【多选题】
关于钻具组合时，摘扣吊卡说法正确的是（ ）。___
A. 吊卡下放时不要碰到钻具台肩面
B. 要确认吊卡完全扣好后再上提钻具
C. 为了节省时间，钻具在卡瓦上座好之前，可以摘吊卡
D. 严禁在下放钻具过程中试图提前打开吊卡
【多选题】
使用卡瓦时的技术要求包括（ ）。___
A. 卡瓦尺寸必须与所卡管体直径相符
B. 起下钻铤时，卡瓦距母扣断面50mm，距安全卡瓦500mm
C. 严禁用卡瓦绷扣
D. 井口操作人员应站在卡瓦旋转范围外，以防转动时打伤腿脚
【多选题】
下面关于卡瓦卡持钻具的操作描述正确的是（ ）。___
A. 卡持钻铤时，卡瓦必须与安全卡瓦配合使用
B. 卡瓦使用前，背面应涂丝扣油
C. 卡瓦的开口对准钻具
D. 内外钳工配合将卡瓦抱住管体，坐在转盘方瓦上，悬持钻具
【多选题】
下面关于使用卡瓦的描述正确的是（ ）。___
A. 当司钻放下钻杆时，千万不要用卡瓦去阻止钻杆
B. 当司钻起钻时，千万不要卡瓦搭载在钻杆上
C. 坐卡瓦时，要让工具接头尽可能地靠近转盘
D. 使用卡瓦前应该检查其各连接销.开口销的情况
【多选题】
在对9＂钻铤紧扣时,说法错误的：（ ）。___
A. 因SDD大钳使用起来比较麻烦，故可以使用DB大钳正常紧扣
B. 要更换SDD铅头
C. 可以用DB大钳按稍微小的扭矩紧扣
D. DB大钳正好合适
【多选题】
以下有关起下钻的描述中正确的有（ ）。___
A. 无卡瓦槽的钻铤要打上安全卡瓦
B. 凡下井钻具，应现场外观检查，丈量各部分尺寸
C. 所有螺纹应使用专用的丝扣油
D. 特殊作业（如取芯.打捞等）在钻具进入套管后可用转盘卸扣
【多选题】
地层泄漏/破裂压力试验的目的是（ ）。___
A. 检测固井质量
B. 获取实际的地层泄漏/破裂压力，以确定最大许可当量钻井液密度
C. 获取井控时的最大许可关井套压
D. 获取试验地层的其它资料
【多选题】
安装井口的操作正确的是（ ）。___
A. 检查所有的手工具
B. 打榔头时，拉锤击扳手绳子的人员应该远离扳手运行方向
C. 螺丝紧扣时要对角均匀紧扣
D. 在对扣期间可以将手放在法兰之间
【多选题】
旋塞阀安装与维护应注意以下事项（ ）。___
A. 要留有阀柄旋转的位置；
B. 不能用作节流；
C. 带传动机构的球阀应直立安装；
D. 旋塞阀执行机构维护，如检查发现执行机构中润滑油没有覆盖到传动机构的所有接触面，而应将旧润滑油全部除去后在所有接触面上涂抹足量新的润滑油。
【多选题】
关于开关旋塞阀阀门的操作，下列描述正确的是（ ）。___
A. 操作阀门前应注意检查阀门的开闭标志后再操作
B. 全开阀门：逆时针方向转动手轮（或手柄），直到阀位指示与管道垂直，手轮旋转到位后，回转1/4圈
C. 操作阀门时严禁使用蛮力
D. 旋塞阀可以用于短期节流，禁止使用旋塞阀进行长期节流的工况
【多选题】
关于油管螺纹的保护正确的是（ ）。___
A. 所有的油管，不论是新的.使用过的或修复的，其螺纹部位宜始终戴上螺纹保护器。
B. 任何时候，油管都宜放在无石块.砂子或污泥的台架 上.木板面上或金属面上。
C. 如不慎把油管拖入泥土中，最好重新清洗螺纹
D. 在准备对接螺纹以前，油管端部的螺纹保护器可以卸下
【多选题】
封隔器是生产管柱中最主要的井下工具之一，其功能包括：（ ）。___
A. 分隔生产层段，防止层间流体和压力的串通.干扰
B. 悬挂下部管柱
C. 分隔压井液和生产液,满足采油（气）生产和修井作业的各种要求
D. 保留住套管环空中的封隔液，起到保护套管和安全生产的作用
【多选题】
关于钻具通径，下面描述正确的是（ ）。___
A. 用标准的通径规对每根钻具通径
B. 当发现钻具内有铁锈或其它杂物，要用榔头将其震下
C. 可以用型号一致的多个通径规交替通径，加快作业速度
D. 通径规不用时要放到钻台的固定地方
【多选题】
在下射孔管柱时正确的操作为（ ）。___
A. 按完井射孔设计组装引爆点火头
B. 按射孔管柱结构下入射孔枪，要求缓慢平稳操作，防止剧烈碰撞
C. 由井队人员安装点火头到射孔枪上
D. 按管柱结构下入TCP 射孔的其他配套工具和完井工具
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