CN104516072A - 一种新型油气井光缆 - Google Patents

一种新型油气井光缆 Download PDF

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Publication number
CN104516072A
CN104516072A CN201310465882.4A CN201310465882A CN104516072A CN 104516072 A CN104516072 A CN 104516072A CN 201310465882 A CN201310465882 A CN 201310465882A CN 104516072 A CN104516072 A CN 104516072A
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Prior art keywords
optical cable
gas well
net
armored
oil gas
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唐勇
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Tianjin Ji Nuoda Science And Technology Development Co Ltd
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Tianjin Ji Nuoda Science And Technology Development Co Ltd
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Priority to CN201310465882.4A priority Critical patent/CN104516072A/zh
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/4436Heat resistant
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/44382Means specially adapted for strengthening or protecting the cables the means comprising hydrogen absorbing materials
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/44384Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

本发明提供一种新型油气井光缆,包括铠装网,铠装网内设有若干裸传感光纤,任意裸传感光纤外依次包裹松套管和编织层,铠装网外依次设有中空管和粗钢丝铠装保护层,中空管的内壁和铠装网的外壁所构成的环套空间内填充光纤用油膏。铠装网采用低碳细钢丝,松套管为改性聚丙烯材料,编织层为耐高温绝缘胶带,中空管采用不锈钢材质。该新型油气井光缆体积轻巧、耐磨性高、可靠性高、传输信号稳定、承重性能好,可方便的实现传感器分布式布网测量,适合油气井下恶劣环境中使用。

Description

一种新型油气井光缆
技术领域
本发明涉及油气井光纤Bragg光栅传感检测系统,尤其涉及一种新型油气井光缆。
背景技术
由于油气井光纤Bragg光栅传感检测系统能动态、实时地对被测油气井进行监测,具有耐高温、不受电磁干扰、耐腐蚀、本征传感等优点,逐渐受到油气田开发和管理者的重视和关注。在构建这一系统时,光缆是光纤传感监测系统工业化必须面对且需要解决的问题,光缆是光合信息传输的通道,同时也承担着承载井下传感器等部件重量的功能。但是,由于现有技术中未加保护的普通裸传输光纤非常脆弱、易断,因此设计一种适合在油气田恶劣环境下长期使用的油气井光缆十分必要。
发明内容
本发明提供一种新型油气井光缆,信号传输性能稳定、抗老化能力强、能承受高压、称重能力强。
本发明的技术方案是:一种新型油气井光缆,其特征在于:包括铠装网,所述铠装网内设有若干根裸传感光纤,所述任意裸传感光纤外依次包裹松套管和编织层,所述铠装网外依次设有中空管和粗钢丝铠装保护层,所述中空管的内壁和铠装网的外壁所构成的环套空间内填充光纤用油膏。
进一步,所述铠装网采用低碳细钢丝。
进一步,所述松套管为改性聚丙烯材料。
进一步,所述编织层为耐高温绝缘胶带。
进一步,所述中空管采用不锈钢材质。
本发明的有益效果在于:该新型油气井光缆体积轻巧、耐磨性高、可靠性高、传输信号稳定、承重性能好,可方便的实现传感器分布式布网测量,适合油气井下恶劣环境中使用;本发明铠装网采用低碳细钢丝,起到保护光纤的作用,防止光纤在弯曲等外力作用下折断,松套管为改性聚丙烯材料,保温特性好、弹性模量高、抗老化,编织层采用耐高温的绝缘胶带,能起到很好的缓冲屏蔽作用,中空管和铠装网之间的光纤用油膏能有效防止水浸和氢浸。
附图说明
图1为本发明的结构示意图。
其中:1、铠装网,                2、裸传感光纤,
      3、松套管,                4、编织层,
      5、中空管,                6、粗钢丝铠装保护层,
      7、光纤用油膏。
具体实施方式
下面结合附图对本发明的具体实施方式做出简要说明。
如图所示:一种新型油气井光缆,其特征在于:包括铠装网1,所述铠装网1内设有若干裸传感光纤2,所述任意裸传感光纤2外依次包裹松套管3和编织层4,所述铠装网1外依次设有中空管5和粗钢丝铠装保护层6,所述中空管5的内壁和铠装网1的外壁所构成的环套空间内填充光纤用油膏7。所述铠装网1采用低碳细钢丝,所述松套管3为改性聚丙烯材料,所述编织层4为耐高温绝缘胶带,所述中空管5采用不锈钢材质。
该新型油气井光缆体积轻巧、耐磨性高、可靠性高、传输信号稳定、承重性能好,可方便的实现传感器分布式布网测量,适合油气井下恶劣环境中使用;本发明铠装网1采用低碳细钢丝,起到保护光纤的作用,防止光纤在弯曲等外力作用下折断,松套管3为改性聚丙烯材料,保温特性好、弹性模量高、抗老化,编织层4采用耐高温的绝缘胶带,能起到很好的缓冲屏蔽作用,中空管5和铠装网1之间的光纤用油膏7能有效防止水浸和氢浸。
以上对本发明的一个实施例进行了详细说明,但所述内容仅为本发明的较佳实施例,不能被认为用于限定本发明的实施范围。凡依本发明申请范围所作的均等变化与改进等,均应仍归属于本发明的专利涵盖范围之内。

Claims (5)

1.一种新型油气井光缆,其特征在于:包括铠装网,所述铠装网内设有若干裸传感光纤,所述任意裸传感光纤外依次包裹松套管和编织层,所述铠装网外依次设有中空管和粗钢丝铠装保护层,所述中空管的内壁和铠装网的外壁所构成的环套空间内填充光纤用油膏。
2.根据权利要求1所述一种新型油气井光缆,其特征在于:所述铠装网采用低碳细钢丝。
3.根据权利要求1所述一种新型油气井光缆,其特征在于:所述松套管为改性聚丙烯材料。
4.根据权利要求1所述一种新型油气井光缆,其特征在于:所述编织层为耐高温绝缘胶带。
5.根据权利要求1所述一种新型油气井光缆,其特征在于:所述中空管采用不锈钢材质。
CN201310465882.4A 2013-09-29 2013-09-29 一种新型油气井光缆 Pending CN104516072A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108562641A (zh) * 2018-04-17 2018-09-21 西南大学 一种基于电涡流传感器的电缆芯材质检测装置
CN109887657A (zh) * 2019-01-16 2019-06-14 杭州网为通信有限公司 一种耐高温通讯线缆

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108562641A (zh) * 2018-04-17 2018-09-21 西南大学 一种基于电涡流传感器的电缆芯材质检测装置
CN109887657A (zh) * 2019-01-16 2019-06-14 杭州网为通信有限公司 一种耐高温通讯线缆

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Application publication date: 20150415