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公司基本資料信息
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循環(huán)接頭技術(shù)參數(shù)如下
鉆桿母螺紋 |
套管螺紋 |
水眼mm |
長度mm |
NC38 |
5″偏梯扣BTC |
57 |
400 |
5″長圓扣LTC |
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5″短圓扣STC |
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NC38 |
5″偏梯扣BTC |
57 |
400 |
5-1/2″長圓扣LTC |
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5-1/2″短圓扣STC |
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NC50 |
7″偏梯扣BTC |
71 |
460 |
7″長圓扣LTC |
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7″短圓扣STC |
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NC50 |
9-5/8″偏梯扣BTC |
71 |
460 |
9-5/8″長圓扣LTC |
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9-5/8″短圓扣STC |
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NC50 |
10-3/4″偏梯扣BTC |
71 |
480 |
10-3/4″長圓扣LTC |
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10-3/4″短圓扣STC |
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NC50 |
13-3/8″偏梯扣BTC |
71 |
480 |
13-3/8″長圓扣LTC |
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13-3/8″短圓扣STC |