在钻孔设计或实测顶角θ≤3°时,每百米测一次顶角,不测方位。...
Tuesday, January 2, 2024
绳索钻杆因疲劳破坏而频繁断钻的原因不是()。A、钻孔严重弯曲出现狗腿B、钻孔严重超径C、“小钻杆打大眼”致钻具级配失当D、钻进速度过快...
Sunday, April 7, 2024
Thursday, September 15, 2022
Sunday, April 7, 2024
1弧度约等于()A、57.3°B、5.73°C、0.573°...
Monday, April 15, 2024
柴油机压缩冲程中,活塞到达上死点时喷油器喷油,与高温气体迅速混合形成高温可燃气体...
Sunday, February 19, 2023
Monday, July 24, 2023
Tuesday, January 2, 2024
Saturday, February 3, 2024
钻具困在井内不能动,但井口有冲洗液返出,不可能是发生()事故。A、卡钻B、烧钻C、埋钻D、断钻...
Sunday, April 14, 2024
Tuesday, January 2, 2024
()不属于机械传动。A、液压传动B、链传动C、齿轮传动D、蜗杆传动...
Monday, April 15, 2024
处理烧钻事故,透小眼后下步做法正确的是()。A、下套管公锥捞岩心管B、下炮弹形钻头扫事故钻头C、用带导向的磨孔钻头消灭事故钻具D、用旧金刚石钻头劈开事故钻具...
Monday, April 29, 2024
一英寸等于()mmA、2.54B、25.4C、24.5D、2.45...
Sunday, April 14, 2024
Saturday, August 26, 2023
Sunday, April 7, 2024
Tuesday, January 2, 2024
Saturday, January 28, 2023
Saturday, February 3, 2024
Sunday, April 7, 2024