CN201197069Y - External underground cable protection sleeve - Google Patents
External underground cable protection sleeve Download PDFInfo
- Publication number
- CN201197069Y CN201197069Y CNU2008200806677U CN200820080667U CN201197069Y CN 201197069 Y CN201197069 Y CN 201197069Y CN U2008200806677 U CNU2008200806677 U CN U2008200806677U CN 200820080667 U CN200820080667 U CN 200820080667U CN 201197069 Y CN201197069 Y CN 201197069Y
- Authority
- CN
- China
- Prior art keywords
- cable
- sheath
- clamp
- oil pipe
- protection sleeve
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012940 design transfer Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
An external underground cable protection sleeve relates to an oil gas underground cable matching device. The cable sheath is characterized in that a longitudinal groove and a cable groove are formed outside a cylindrical sheath, bulges are uniformly distributed on the inner surface of the sheath, and a steel belt is clamped in an annular groove in the middle of the sheath. The clamp can be used for righting the oil pipe and protecting the cable, the oil pipe and the sleeve cannot collide, the cable cannot swing back and forth in the well, and the cable cannot be damaged even if the clamp moves up and down. The cable clamp is simple in structure, convenient to operate, long in service life and capable of being used repeatedly.
Description
Technical field
The utility model relates to a kind of corollary apparatus of oil gas well monitoring downhole cable.
Background technology
In the permanent monitoring technology in oil gas well down-hole, transmission of the signal of monitoring instrument and power supply all are to adopt cable transmission, and instrument is in the work progress of going into the well, and the protection problem of signal-transmitting cable is the success or failure key of decision monitoring technology.At present, the oil gas well downhole cable guard method of China has two kinds of steel disc clamp and plug-in type cable clamps.The steel disc clamp is that the steel disc by band shape constitutes, directly cable is fixed on unit and the oil pipe with it, avoid cable to beat turning round, bending, this strain relief clamp only is applicable to steel wire cable, the steel disc clamp is hung up easily in work progress, hang up the back clamp and fall into the shaft bottom, influence sand washing and salvage downhole tool; After the fracture of steel disc clamp, cable is piled up, be caused oil pipe stuck, the serious oil gas well that causes is scrapped; The steel disc clamp is the unprotect measure in the process of going into the well, and often causes cable and sleeve friction, damages the insulating barrier of cable.Plug-in type electromagnetic cable protection clamp is inserted in the shell by flexible sheath and constitutes; sheath is the ring-shaped rubber body of circular butt joint; have longitudinally and crack; on the inner rim of ring-shaped rubber body, be provided with cable trough; though can play the certain protection effect; its shell is a metallic object, and the locking mechanism of shell is positioned at joint.This design transfer and on carry in the process shell can and casing wall rub, make cable cause and wear and tear or play up and down overlapping tube coupling hoop place.
The utility model content
The purpose of this utility model is a kind of external downhole cable protective jacket of design, and it can protect downhole cable, guarantees the long-term operate as normal of cable, can also play the effect of setting upright oil pipe.
Technical solution of the present utility model is to realize like this, a kind of external downhole cable protective jacket, constitute by sheath and steel band, its special character is, sheath is a cylindrical body, and its two ends have tapering, has longitudinal fluting and cable trough in the sheath outside, be evenly equipped with projection on the inner surface of sheath, steel band is stuck in the annular groove at sheath middle part.
The beneficial effects of the utility model are; sheath is sleeved on the oil pipe; because of jacket inner surface has projection, it and oil pipe are closely linked, with steel band cable and sheath are fixed together; sheath both can play the effect of setting upright oil pipe; also can play the effect of protection cable, oil pipe and sleeve pipe are bumped, guarantee that cable can not swing back and forth in well; even clamp moves up and down, can not cause damage to cable yet.Because steel band is stuck in the annular groove at sheath middle part, steel band can not rub with sleeve pipe in the process of going into the well.Owing to have 4 road longitudinal flutings on the sheath, in the more pit shaft of silt, be lowered to or hoist, can not stop up.This strain relief clamp is simple in structure, and is easy to operate, and long service life also can be used repeatedly.
Description of drawings
Fig. 1 is the structural representation that partly cuts open of the present utility model.
Fig. 2 is the vertical view of sheath in the utility model.
Fig. 3 is the schematic diagram of steel band.
Embodiment
Claims (1)
1. external downhole cable protective jacket, constitute by sheath (1) and steel band (2), it is characterized in that, sheath (1) is a cylindrical body, its two ends have tapering, have longitudinal fluting (5) and cable trough (3) in sheath (1) outside, be evenly equipped with projection (4) on the inner surface of sheath (1), steel band (2) is stuck in the annular groove at sheath (1) middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200806677U CN201197069Y (en) | 2008-05-15 | 2008-05-15 | External underground cable protection sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200806677U CN201197069Y (en) | 2008-05-15 | 2008-05-15 | External underground cable protection sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201197069Y true CN201197069Y (en) | 2009-02-18 |
Family
ID=40416698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200806677U Expired - Lifetime CN201197069Y (en) | 2008-05-15 | 2008-05-15 | External underground cable protection sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201197069Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113066634A (en) * | 2021-02-10 | 2021-07-02 | 江苏伟正电气科技有限公司 | High-insulativity safe rectifier transformer and working method thereof |
-
2008
- 2008-05-15 CN CNU2008200806677U patent/CN201197069Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113066634A (en) * | 2021-02-10 | 2021-07-02 | 江苏伟正电气科技有限公司 | High-insulativity safe rectifier transformer and working method thereof |
| CN113066634B (en) * | 2021-02-10 | 2022-05-13 | 江苏伟正电气科技有限公司 | High-insulativity safe rectifier transformer and working method thereof |
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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: 20090218 |
|
| CX01 | Expiry of patent term |