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1970-01-01 08:00:00
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dashing

至尊木虫 (知名作家)

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billbier: 金币+3, 辛苦了 2014-08-22 22:08:21
billbier: PCEPI+1, 应助详细且专业 2014-08-23 20:22:05
rathole
1. n. [Drilling]
A storage place for the kelly, consisting of an opening in the rig floor fitted with a piece of casing with an internal diameter larger than the outside diameter of the kelly, but less than that of the upper kelly valve so that the kelly may be lowered into the rathole until the upper kelly valve rests on the top of the piece of casing.
2. n. [Drilling]
Extra hole drilled at the end of the well (beyond the last zone of interest) to ensure that the zone of interest can be fully evaluated. The logging tool string may be as much as 120 ft [36.5 m] in length, so the rathole allows tools at the top of the logging string to reach and measure the deepest zone of interest. In addition, there is usually a small amount of extra hole drilled to allow for junk, hole fill-in and other conditions that may reduce the effective depth of the well prior to running logging tools.
3. n. [Drilling]
Extra hole drilled at the bottom of the hole to leave expendable completion equipment, such as the carriers for perforating gun charges.

注意还有一种叫mousehole的,中文叫小鼠洞,是用于放钻杆的(便于钻井时连接)。
5楼2014-08-22 13:57:53
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billbier

荣誉版主 (知名作家)

提供的资料太少了,能不能再详细些,最起码把句子拿出来吧。我好像听过人形洞的,就是常减压塔下的洞口
每天一点坚持,就会成功!
2楼2014-08-19 11:35:36
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liaifeng

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感谢参与,应助指数 +1
zk19900227: 金币+5, ★★★★★最佳答案 2014-08-19 12:48:34
billbier: 金币+2, 感谢应助 2014-08-19 15:08:01
大鼠洞:
是用于放方钻杆,由于方钻杆一般12~15米左右,所以在方井内底部还需要打一个3~5米左右的洞(如果方钻杆斜对下来不在方井内而在地面的话就需要打5~8米),是用螺杆或涡轮带钻头打出的,一般使用16"或12-1 /4"钻头打洞,下13-3/8" 或 9-5/8" 套管。
3楼2014-08-19 11:50:40
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zk19900227

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引用回帖:
3楼: Originally posted by liaifeng at 2014-08-19 11:50:40
大鼠洞:
是用于放方钻杆,由于方钻杆一般12~15米左右,所以在方井内底部还需要打一个3~5米左右的洞(如果方钻杆斜对下来不在方井内而在地面的话就需要打5~8米),是用螺杆或涡轮带钻头打出的,一般使用16"或 ...

还是不懂,不是钻井专业的,但是谢谢啦
选择目标,制定计划,走下去
4楼2014-08-19 12:49:40
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