水力锚,通过油管内憋压,水力锚本体圆周表面均布的锚爪在内外压差产生的液压力作用下向外伸出,锚爪外表面的锚牙嵌入套管壁,限制工具上下窜动,实现锚定。消除工具内外压差后,锚爪在挡板与锚爪之间的内弹簧的弹力作用下复位,解除锚定。
准/规范中文名: 水力锚 标准/规范英文名: Hydraulic anchor 标准状态: 已作废 被替代标准: 水力锚 Hydraulic anchor [ 标准号: SY/T 5628-2008 ] 原文语种: 中文 译文语
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... hold-down packer 悬挂式封隔器 hydraulic hold-down 水力锚 passive hold-down 无源保持 ...
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油管水力锚 hydranlic tubing holddown
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用途:液压水力锚适用于锚定油管,用于高压分注、分层压裂等措施施工。
Application: It's used to anchor oil pipe and used for high pressure injection, fracturing and other construction.
水力锚锚定过程中,涉及到膨胀的钢片相互呈循环对称接触、钢片齿牙井壁的锚定啮合。
In the process of the hydraulic anchor anchoring, Be involved with the mutual contact of steel sheet which is cyclic symmetry structures and the steel sheet teeth mesh with the rock.
RTTS封隔器因水力锚自身特有的防窜功能,在浅井测试及负压测试中具有广泛的应用。
Being particularly against leakage function of RTTS packer with hydraulic anchor is applied in shallow or under balance pressure extensively.
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