CN2360604Y - Anti-dropping rope cap for circular space detection - Google Patents
Anti-dropping rope cap for circular space detection Download PDFInfo
- Publication number
- CN2360604Y CN2360604Y CN98251674U CN98251674U CN2360604Y CN 2360604 Y CN2360604 Y CN 2360604Y CN 98251674 U CN98251674 U CN 98251674U CN 98251674 U CN98251674 U CN 98251674U CN 2360604 Y CN2360604 Y CN 2360604Y
- Authority
- CN
- China
- Prior art keywords
- steel wire
- rope cap
- rope socket
- cap head
- utility
- 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 - Fee Related
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Abstract
The utility model relates to an anti-dropping rope cap for circular space detection in a bottom of an oil field well. The utility model is characterized in that an elastic steel wire protection sleeve is additionally arranged in an inner hole of a rope cap head, and the inner hole at the rope cap head is processed into a V shape. The structure makes the steel wire at the rope cap head be free of hard crashing tubing coupling, and makes the steel wire not damaged to be broken and fall. The V-shaped inner hole increases cushion space, so the steel wire at the rope cap head is protected further, and the accident of the fall and the clamping under the well is reduced.
Description
The utility model belongs to the oilfield well testing protective device.
In the downhole production test process of oil field, the steel wire for logging band instrument always twining oil pipe at oil, the sleeve pipe annular space moves up and down.Used rope socket in the prior art, its top end face is vertical with the steel wire bearing of trend, and rope socket adopts stainless steel material to make.Therefore, when carrying on the instrument, the continuous hard collision tubing coupling of the steel wire at rope socket head place is equivalent to the rope socket head steel wire is constantly produced a kind of dissection, thereby causes steel wire to damage and disconnected taking off, and causes the down-hole to fall the card accident.
The purpose of this utility model is that design a kind ofly can be protected steel wire, prevents the disconnected anti-lost rope socket of annulus logging that takes off.
The utility model is characterised in that in the endoporus of rope socket head and installed the steel wire protection cover additional, and this steel wire protection cover is enclosed within on the steel wire, and in addition, the endoporus at rope socket head place is processed into " V " font.
Because the utility model has installed the steel wire protection cover additional; the steel wire at rope socket head place avoids the hard collision tubing coupling, makes steel wire unlikely impaired, and " V " font endoporus has increased cushion space; further the steel wire at protection rope socket head place reduces and resolves the generation of taking off the card accident.
Be described in further detail as follows below in conjunction with accompanying drawing:
Fig. 1 is the structure chart of rope socket in the prior art;
Fig. 2 is the utility model rope socket structure chart.
As shown in Figure 2, the utility model has installed steel wire protection cover 2 additional in the endoporus of rope socket head 1, and steel wire 3 places in the steel wire protection cover 2, and in addition, the endoporus at rope socket head 1 place is processed into " V " font.Steel wire protection cover 2 adopts elastomeric material, carries, when putting instrument, during the steel wire 3 collision tubing couplings at rope socket head 1 place one elastic buffer effect is arranged, and it is impaired that steel wire 3 is difficult for; In addition, " V " shape structure has increased the cushion space of steel wire protection cover 2, further protects the steel wire 3 at rope socket head 1 place, prevent disconnected taking off, and has reduced the generation that the card accident is fallen in the down-hole.
Claims (2)
1. the anti-lost rope socket of annulus logging is characterized in that having installed steel wire protection cover (2) additional in the endoporus of rope socket head (1), and this steel wire protection cover (2) is enclosed within on the steel wire (3), and the endoporus of rope socket head (1) is " V " font.
2. the anti-lost rope socket of annulus logging according to claim 1 is characterized in that described steel wire protection cover (2) is an elastomeric material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN98251674U CN2360604Y (en) | 1998-12-29 | 1998-12-29 | Anti-dropping rope cap for circular space detection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN98251674U CN2360604Y (en) | 1998-12-29 | 1998-12-29 | Anti-dropping rope cap for circular space detection |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2360604Y true CN2360604Y (en) | 2000-01-26 |
Family
ID=33995549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98251674U Expired - Fee Related CN2360604Y (en) | 1998-12-29 | 1998-12-29 | Anti-dropping rope cap for circular space detection |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2360604Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110439493A (en) * | 2019-09-20 | 2019-11-12 | 成都里尔斯石油科技有限公司 | Anti-lost sealing preventing spray head and blowout hookup |
-
1998
- 1998-12-29 CN CN98251674U patent/CN2360604Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110439493A (en) * | 2019-09-20 | 2019-11-12 | 成都里尔斯石油科技有限公司 | Anti-lost sealing preventing spray head and blowout hookup |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |