CN202906308U - Horizontal well logging wellhead cable guiding device - Google Patents
Horizontal well logging wellhead cable guiding device Download PDFInfo
- Publication number
- CN202906308U CN202906308U CN 201220605513 CN201220605513U CN202906308U CN 202906308 U CN202906308 U CN 202906308U CN 201220605513 CN201220605513 CN 201220605513 CN 201220605513 U CN201220605513 U CN 201220605513U CN 202906308 U CN202906308 U CN 202906308U
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- screw rod
- screw mandrel
- cable
- screw
- fixed pulley
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Abstract
The utility model provides a horizontal well logging wellhead cable guiding device, and is applied to cable guiding for oilfield horizontal well logging. The horizontal well logging wellhead cable guiding device is characterized in that two support plates are welded on the outer wall of a casing joint; the upper ends of the two support plates are connected with a middle fixed pulley via the hinge pin of the middle fixed pulley; a rib plate is welded on the lower parts of the two support plates; a screw rod sleeve is welded on the upper end of the rib plate; a screw rod passes through the central screw hole of the screw rod sleeve; a screw rod joint is connected with the other end of the screw rod; and the other end of the screw rod joint is connected with leading sheave via the hinge pin of the leading sheave. The horizontal well logging wellhead cable guiding device has the beneficial effects that friction between the cable and the travelling block of a working machine can be avoided, the cable can be prevented from being worn, safe construction of the horizontal well can be ensured, the logging efficiency can be improved, and the demands of the cable under logging can be met.
Description
Technical field
The utility model relates to oilfield horizontal well logging technique field, is specifically related to a kind of horizontal wellbore logging wellhead assembly, is a kind of guide device for well-opening cable.
Background technology
At present, conventional logging technique technology adopts the mode of cable transfer downhole instrument.So that cable can not wear and tear, generally install shoe additional at well head in order to protect cable, lack the wearing and tearing of having ignored cable and working rig travelling block.Prior art can not head it off.
China Patent Publication No.: CN201080822, a kind of " horizontal well logging cable wellhead protecting device " is provided, by pulley, bearing, governor motion, pulley bracket, base, rotating shaft and pin form, the inside and outside two ends of pulley bracket respectively are provided with the pulley of a buried bearing, cable is led, outer head sheave one side is provided with governor motion, interior head sheave places one jiao of top of square base, adopt mobilizable axle connected mode to be connected between pulley bracket and the base, move towards respectively to be provided with circular hole on two diagonal angles of perpendicular base with pulley bracket, be respectively equipped with rotating shaft and pin in the circular hole.Utilize it can effectively alleviate cable wearing and tearing, avoid unexpected extruding, guarantee that cable joint smoothly by well head, is conducive to normally carrying out of horizontal wellbore logging work, prolong cable useful life.
China Patent Publication No.: CN2837509 provides a kind of " horizontal well logging cable protector ", is comprised of cylindrical shell, pulley and set bolt, and cylindrical shell is cylindric, and there is set bolt the cylindrical shell lower end.The cylindrical shell upper end has the location gap, and the width of location gap is between 10～60 millimeters.Be fixed with the support of bearing in gap both sides, location, axle and pulley are arranged on the support of bearing.Be fixed with two body resistance-strengthening tablets on the support of bearing.Cable is gone into the well in the process, and cable becomes the rolling friction of cable and pulley by original sliding friction with sleeve pipe, has reduced the wearing and tearing of cable, and cable to locate gap enough low, the elimination elevator smashes the possibility of cable.The safety of safeguard level well or high-angle borehole logging construction reduces logging cost effectively, improves success log ratio.
The utility model content
The purpose of this utility model is: a kind of horizontal wellbore logging guide device for well-opening cable is provided, can avoids the working rig travelling block, avoid the friction of cable and working rig travelling block, prevent the wearing and tearing of cable.
The technical solution adopted in the utility model is: the horizontal wellbore logging guide device for well-opening cable comprises casing coupling, supporting bracket, fixed pulley placed in the middle, leading block, leading block bearing pin, screw mandrel joint, screw mandrel, screw rod bushing and gusset.It is characterized in that: casing coupling is cylindrical shape, casing coupling can be threaded in during well logging on the oil pipe of well head and be used for fixing guider.Outer wall at casing coupling is welded with two parallel rectangular supporting brackets, and supporting bracket is parallel with the center line of casing coupling; Upper end two supporting brackets is connected with a fixed pulley placed in the middle by fixed pulley bearing pin placed in the middle, and fixed pulley placed in the middle is in the centre of two fixed pulley supporting brackets placed in the middle;
Bottom two supporting brackets is welded with gusset, and gusset is welded with a screw rod bushing in the gusset upper end obliquely, and screw rod bushing is that cylindrical has center screw; The center line of screw rod bushing is mutually vertical with the casing coupling center line; In the center screw of screw rod bushing screw mandrel is arranged, screw mandrel passes the center screw of screw rod bushing; One end of screw mandrel has handle, and rotary handle can make screw mandrel rotate in screw rod bushing.The other end at screw mandrel is connected with the screw mandrel joint, and screw mandrel and screw mandrel joint are for being rotationally connected; The other end at the screw mandrel joint is connected with leading block by the leading block bearing pin.
The course of work of summary horizontal wellbore logging guide device for well-opening cable.Consult Fig. 1. when descending to well head inner cable 5, cable 5 is at first walked around leading block 6.Consult Fig. 2.The handle of rotary screw rod 9, screw mandrel 9 drives screw mandrel joint 8 and leading block 6, and leading block 6 makes cable 5 avoid the working rig travelling block, can descend payout.Avoid the friction of cable and working rig travelling block, prevent the cable wearing and tearing.
The beneficial effects of the utility model: the utility model horizontal wellbore logging guide device for well-opening cable, can avoid the friction of cable and working rig travelling block, prevent the cable wearing and tearing.The safety of safeguard level well construction improves logging efficiency.The needs that meet the lower cable of well logging.
Description of drawings
Fig. 1 is the utility model horizontal wellbore logging guide device for well-opening cable structural representation.
Fig. 2 is horizontal wellbore logging guide device for well-opening cable working state schematic representation schematic diagram.
Among the figure, 1-casing coupling, 2-supporting bracket, 3-fixed pulley placed in the middle, 4-fixed pulley bearing pin placed in the middle, 5-cable, 6-leading block, 7-leading block bearing pin, 8-screw mandrel joint, 9-screw mandrel, 10-screw rod bushing, 11-gusset.
Embodiment
Embodiment 1: take a horizontal wellbore logging guide device for well-opening cable as example, the utility model is described in further detail.
Consult Fig. 1.The horizontal wellbore logging guide device for well-opening cable comprises casing coupling 1, supporting bracket 2, fixed pulley 3 placed in the middle, leading block 6, leading block bearing pin 7, screw mandrel joint 8, screw mandrel 9, screw rod bushing 10 and gusset 11.
Casing coupling 1 is cylindrical shape, is welded with two parallel rectangular supporting brackets 2 at the outer wall of casing coupling 1, and supporting bracket 2 is parallel with the center line of casing coupling 1.The length of supporting bracket 2 is 400mm, and width is 70mm.Upper end two supporting brackets 2 is connected with a fixed pulley 3 placed in the middle by fixed pulley bearing pin 4 placed in the middle, and fixed pulley 3 placed in the middle is in the centre of two fixed pulley supporting brackets 3 placed in the middle.The diameter of fixed pulley 3 placed in the middle is 150mm.
Be welded with gusset 11 in the bottom of two supporting brackets 2, gusset 11 obliquely.The length of gusset 11 is 850mm, and width is 100mm.Gusset 11 is 45 degree with the angle of casing coupling 1 center line.Be welded with a screw rod bushing 10 in gusset 11 upper ends, screw rod bushing 10 has the center screw of M20 for cylindrical.The center line of screw rod bushing 10 is mutually vertical with casing coupling 1 center line.The screw mandrel 9 of M20 is arranged in the center screw of screw rod bushing 10, and screw mandrel 9 passes the center screw of screw rod bushing 10.One end of screw mandrel 9 has a handle.The other end at screw mandrel 9 is connected with screw mandrel joint 8, and screw mandrel 9 and screw mandrel joint 8 are for being rotationally connected.The other end at screw mandrel joint 8 is connected with leading block 6 by leading block bearing pin 7.
Claims (1)
1. a horizontal wellbore logging guide device for well-opening cable comprises casing coupling (1), supporting bracket (2), fixed pulley (3) placed in the middle, leading block (6), leading block bearing pin (7), screw mandrel joint (8), screw mandrel (9), screw rod bushing (10) and gusset (11); It is characterized in that: casing coupling (1) is for cylindrical shape, is welded with two parallel rectangular supporting brackets (2) at the outer wall of casing coupling (1), and supporting bracket (2) is parallel with the center line of casing coupling (1); Upper end in two supporting brackets (2) is connected with a fixed pulley placed in the middle (3) by fixed pulley bearing pin placed in the middle (4), and fixed pulley (3) placed in the middle is in the centre of two fixed pulley supporting brackets placed in the middle (3);
Be welded with gusset (11) in the bottom of two supporting brackets (2), gusset (11) is welded with a screw rod bushing (10) in gusset (11) upper end obliquely, and screw rod bushing (10) has center screw for cylindrical; The center line of screw rod bushing (10) is mutually vertical with casing coupling (1) center line; Screw mandrel (9) is arranged in the center screw of screw rod bushing (10), and screw mandrel (9) passes the center screw of screw rod bushing (10); One end of screw mandrel (9) has handle, is connected with screw mandrel joint (8) at the other end of screw mandrel (9), and screw mandrel (9) and screw mandrel joint (8) are for being rotationally connected; The other end at screw mandrel joint (8) is connected with leading block (6) by leading block bearing pin (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220605513 CN202906308U (en) | 2012-11-16 | 2012-11-16 | Horizontal well logging wellhead cable guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220605513 CN202906308U (en) | 2012-11-16 | 2012-11-16 | Horizontal well logging wellhead cable guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202906308U true CN202906308U (en) | 2013-04-24 |
Family
ID=48126933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220605513 Expired - Fee Related CN202906308U (en) | 2012-11-16 | 2012-11-16 | Horizontal well logging wellhead cable guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202906308U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134165A (en) * | 2014-05-14 | 2015-12-09 | 中国石油天然气股份有限公司 | Method for dynamic logging with conveying by horizontal well tractor |
| CN107221884A (en) * | 2017-05-15 | 2017-09-29 | 合肥市规划设计研究院 | Municipal works intert cable servicing unit |
| CN107658813A (en) * | 2017-10-26 | 2018-02-02 | 宁国市盛邦密封件技术有限公司 | A kind of cable trough |
-
2012
- 2012-11-16 CN CN 201220605513 patent/CN202906308U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134165A (en) * | 2014-05-14 | 2015-12-09 | 中国石油天然气股份有限公司 | Method for dynamic logging with conveying by horizontal well tractor |
| CN107221884A (en) * | 2017-05-15 | 2017-09-29 | 合肥市规划设计研究院 | Municipal works intert cable servicing unit |
| CN107221884B (en) * | 2017-05-15 | 2018-10-16 | 合肥市规划设计研究院 | Municipal works intert cable auxiliary device |
| CN107658813A (en) * | 2017-10-26 | 2018-02-02 | 宁国市盛邦密封件技术有限公司 | A kind of cable trough |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20211116 |