CN2904216Y - Detecting cable of metal sleeve - Google Patents
Detecting cable of metal sleeve Download PDFInfo
- Publication number
- CN2904216Y CN2904216Y CN 200620020547 CN200620020547U CN2904216Y CN 2904216 Y CN2904216 Y CN 2904216Y CN 200620020547 CN200620020547 CN 200620020547 CN 200620020547 U CN200620020547 U CN 200620020547U CN 2904216 Y CN2904216 Y CN 2904216Y
- Authority
- CN
- China
- Prior art keywords
- cable
- utility
- metallic sheath
- insulating layer
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a detecting cable with a metal sheath, solving the short circuit problem of inner core wires and outer steel wires in traditional cables as a result of steel wires cutting insulating layers occasionally. The utility model comprises cable core wires 1, an insulating layer 2 and a metal sheath 4, and is characterized in that a shielding layer 3 is also arranged, the insulating layer 2 is covered with cable core wires 1 and the shielding layer 3 inside and outside, and the shielding layer 3 is coated with the metal sheath 4, which is in the shape of a cylinder and has a smooth outer surface. The advantages of the utility model are that the insulating layer inside the cable is well protected and the short circuit problem of the core wires and the outer steel wires as a result of steel wire cutting the insulating layer is avoided, therefore the sealing effect is good in well heads.
Description
Technical field: the utility model relates to a kind of field of cables that all kinds of oil, gas well etc. bear mechanical load that is used for, and belongs to a kind of metallic sheath exploration cable especially.
Background technology: be used for the cable that all kinds of oil, gas well etc. bear mechanical load at present and mostly adopt the armouring wire cable, the steel wire of armouring wire cable is cut brokenly insulating barrier easily and is caused internal core and cover wire to form short circuit, and existing happy dress cable surface is rough, and is undesirable at the sealing effectiveness of well head.
Summary of the invention: the purpose of this utility model provides a kind of metallic sheath exploration cable, has solved tradition and has been used for the problem that armouring wire cable that all kinds of oil, gas well etc. bear mechanical load forms short circuit easily and is difficult for sealing.
The utility model design metallic sheath exploration cable, comprise cable core, insulating barrier, metallic sheath, it also comprises screen, wherein is with cable core and screen inside and outside the insulating barrier respectively, screen is with metallic sheath outward, and the metallic sheath outer wall is smooth cylindrical shape.
The insulating barrier that the utility model has the advantages that metallic sheath exploration cable inside obtains excellent protection; can not cut brokenly insulating barrier because of metallic sheath causes inside cable heart yearn and outer layer metal sheath to form short circuit; the metallic sheath outer wall is smooth cylindrical shape; can obtain good sealing effectiveness easily at well head, solve the well head sealing problem that always perplexs the oil field.
Description of drawings: Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the on-the-spot schematic diagram that uses of the present utility model.
Embodiment: the utility model is elaborated below in conjunction with accompanying drawing, the utility model design metallic sheath exploration cable, comprise cable core 1, insulating barrier 2, metallic sheath 4, it also comprises screen 3, wherein be with cable core 1 and screen 3 inside and outside the insulating barrier 2 respectively, be with metallic sheath 4 outside the screen 3, metallic sheath 4 outer walls are smooth cylindrical shape.
When field conduct uses, metallic sheath exploration cable 5 is wrapped on the winch drum 6, twine to arrange and want neat, then by top sheave 7, blowout prevention box 10, gasket seal 8 is arranged in the blowout prevention box, aperture linked to each other with instrument 11 in the middle of exploration cable 5 passed gasket seal 8, tightened the clamping cap 9 on the blowout prevention box 10, thus compress gasket 8 sealing exploration cables 5.Ground powers to instrument by exploration cable 5 intermediate cable heart yearns 1.Clamp system clamping exploration cable 5 in the instrument can move up and down its drive instrument and can not come off.
Claims (2)
1, metallic sheath exploration cable, comprise cable core (1), insulating barrier (2), metallic sheath (4), it is characterized in that: it also comprises screen (3), wherein is with cable core (1) and screen (3) inside and outside the insulating barrier (2) respectively, the outer metallic sheath (4) that is with of screen (3).
2, metallic sheath exploration cable according to claim 1 is characterized in that: described metallic sheath (4) outer wall is smooth cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620020547 CN2904216Y (en) | 2006-04-07 | 2006-04-07 | Detecting cable of metal sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620020547 CN2904216Y (en) | 2006-04-07 | 2006-04-07 | Detecting cable of metal sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2904216Y true CN2904216Y (en) | 2007-05-23 |
Family
ID=38079628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620020547 Expired - Lifetime CN2904216Y (en) | 2006-04-07 | 2006-04-07 | Detecting cable of metal sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2904216Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114832A (en) * | 2013-02-04 | 2013-05-22 | 中国石油天然气股份有限公司 | Interactive layered water injection measuring and adjusting method |
-
2006
- 2006-04-07 CN CN 200620020547 patent/CN2904216Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114832A (en) * | 2013-02-04 | 2013-05-22 | 中国石油天然气股份有限公司 | Interactive layered water injection measuring and adjusting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070523 |
|
| EXPY | Termination of patent right or utility model |