CN204343997U - The tubing nipple of a kind of antifriction and cable protection - Google Patents
The tubing nipple of a kind of antifriction and cable protection Download PDFInfo
- Publication number
- CN204343997U CN204343997U CN201420543151.7U CN201420543151U CN204343997U CN 204343997 U CN204343997 U CN 204343997U CN 201420543151 U CN201420543151 U CN 201420543151U CN 204343997 U CN204343997 U CN 204343997U
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- cable
- tubing nipple
- universal rolling
- antifriction
- gland
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Abstract
The utility model relates to the tubing nipple of a kind of antifriction and cable protection, and its feature mainly comprises: tubing nipple main body universal rolling mechanism, cable feedthrough.On the sidewall of described tubing nipple main body, axis in 90 ° is symmetrically distributed with the installing hole of four groups of universal rolling mechanisms, and often group three is equally spaced; Wherein there are the spacing groove of cable and cable feedthrough mounting groove between the installing hole of two groups, side.The utility model structure is simple, easy for installation; Be connected with oil pipe in well, reduce oil pipe string by the rolling friction being arranged on universal rolling mechanism outside tubing nipple body and the borehole wall in well, remove frictional resistance in process and wearing and tearing, save activity duration and cost; And by cable feedthrough, cable is pressed in the spacing groove of cable of nipple body, effectively avoid cable be squeezed in the annular space of oil pipe and the borehole wall or wear and tear, ensure the stability of cable in underground work.
Description
Technical field
The utility model belongs to oil and gas development field, is specifically related to the tubing nipple of a kind of antifriction and cable protection.
Background technology
Since the nineties in 20th century, the drilling technologies such as horizontal well, dual horizontal well, U-shaped well obtain swift and violent development, play more and more important role in petroleum exploration and development process.But along with borehole condition become increasingly complex, the increase of hole angle, the growth of horizontal section length, this has higher requirement to the accurate measurement of well track and control.And magnetic orientation guiding technique is the core technology solving the measurement of the well track such as dual horizontal well, U-shaped well and control this demand.Its know-why is that the magnetic short section between downhole drill bit and motor produces alternating magnetic field with drill bit rotational, to enter in target well under measurement inserting tube, detect the alternating magnetic field that produced by magnetic short section and by detection data by cable transmission to TIU terrestrial interface unit, powered to shaft bottom inserting tube by cable meanwhile; Detection data sends computer to by wireless signal transmitter the most at last.Signals collecting is in a computer installed and DAS can carry out treatment and analyses to detection data, thus the data about distance and bearing between inserting tube and drill bit are provided.Therefore, measure inserting tube and cable quick, accurate, safe transfer and on to carry be one of the important prerequisite condition of magnetic orientation guiding technique operation.
At present, the measurement inserting tube of most magnetic orientation steering tool is by being connected with oil pipe, adopts well head workover rig to carry; Transmission cable be then by logging winch control its with oil pipe transfer and on carry synchronous.But oil pipe, removing in process the mutual serious wear with sleeve pipe, increases frictional resistance simultaneously, extend the time of measuring inserting tube and transferring.Further, because transmission cable is freely unsettled in the annular space of oil pipe and sleeve pipe, or on coiled tubing; And oil pipe is removing the friction with the friction of sleeve pipe and cable self and sleeve pipe in process, easily extruding and wearing and tearing are being caused to cable, causing cable power supply and data transmission to occur abnormal, affect the normal operation of magnetic orientation steering tool in down-hole.Therefore, research and development and project organization simple, oil pipe antifriction convenient to operation and the aid of cable protection are more and more subject to people's attention, and can not only save a large amount of activity durations and cost, can also the degree of accuracy of well track measurement.
Utility model content
The purpose of this utility model is the tubing nipple providing a kind of antifriction and cable protection, its by the rolling friction being arranged on universal rolling mechanism symmetrical outside tubing nipple body and the borehole wall reduce oil pipe string transfer in well with on propose frictional resistance in process and wearing and tearing, save activity duration and cost; And by cable feedthrough, cable is pressed in the spacing groove of cable of nipple body, effectively avoid being squeezed in the annular space of cable between oil pipe and the borehole wall or wearing and tearing.
In order to achieve the above object, the utility model adopts following technical scheme:
A tubing nipple for antifriction and cable protection, is characterized in that: mainly comprise tubing nipple body, universal rolling mechanism, cable feedthrough, gland soket head cap screw.Tubing nipple body circumferentially axis in 90 ° is symmetrically distributed with the installing hole of universal rolling mechanism, with fixing universal rolling mechanism; Cable feedthrough is fixed in the gland mounting groove outside tubing nipple body between Liang Zu universal rolling mechanism by gland soket head cap screw.
The two ends up and down of tubing nipple body have trapezoidal connecting thread respectively, and on sidewall, axis in 90 ° is symmetrically distributed with the installing hole of four groups of universal rolling mechanisms, and often group three is equally spaced; Wherein have the mounting groove of the spacing groove of cable and cable feedthrough between the installing hole of two groups, side, there are three groups of screwed holes in order to installing cables gland of axially equidistant branch at the gland mounting groove position of the spacing groove both sides of cable; The outer warp of tubing nipple body is suitably greater than oil pipe external diameter, to meet the depth requirements of cable channel and to provide the assembly space of cable feedthrough.
Universal rolling mechanism comprises support plinth, rolling steel balls, rotating bearing ball, joint ring; Rolling steel balls, rotating bearing ball, joint ring are installed on support plinth, and by the installing hole of threaded set outside tubing nipple body; Rolling steel balls directly contacts with the borehole wall and produces rolling friction, and the effect of joint ring prevents dirt from entering in support plinth, affects the normal rolling of rotating bearing ball and rolling steel balls.
The outside of cable feedthrough is symmetrically distributed with three countersunk screw hole; Be fixed on by gland soket head cap screw in the gland mounting groove of tubing nipple body side, thus cable be pressed in the spacing groove of cable.
Compared with prior art, of the present utility modelly to have the following advantages:
1. the utility model structure is simple, execute-in-place is simple, reduce oil pipe string by the rolling friction of symmetrical universal rolling mechanism and the borehole wall in well, remove frictional resistance in process and wearing and tearing, transmission cable is then pressed on tubing nipple body by cable feedthrough, available protecting cable; The antifriction of oil pipe during the operation of magnetic orientation guiding technique and cable protection are effectively combined.
2. the economic benefits and social benefits of oil pipe antifriction of the present utility model and cable protection act on, and can improve the operating efficiency of magnetic orientation steering tool, save activity duration and cost, avoid occurring the phenomenons such as detection of magnetic field instability and data transmission exception; Cable and oil pipe connect realize continuous, synchronous transfer and on carry, prevent from or reduce in the annular space of cable between oil pipe and sleeve pipe being squeezed and wearing and tearing and the wearing and tearing of cable self and sleeve pipe in well, ensure the safety of cable in underground work.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the tubing nipple of antifriction and cable protection;
Fig. 2 is the structural representation of the tubing nipple of antifriction and cable protection;
Fig. 3 is the cross-sectional schematic of tubing nipple along A-A in Fig. 2 of antifriction and cable protection;
Fig. 4 is the installation principle schematic of antifriction and cable protection.
In figure: 1 tubing nipple body, 2 universal rolling mechanisms, 21 support plinths, 22 rolling steel balls, 23 rotating bearing balls, 24 joint rings, 3 cable feedthroughs, 4 gland soket head cap screws, 5 cables, 6 logging winches, 7 workover rigs, 8 cables, 9 sleeve pipes, 10 oil pipes, 11 tubing nipples, 12 bypass valve, 13 measure inserting tube.
Detailed description of the invention
The detailed description of the invention that the utility model proposes, architectural feature and effect thereof, accompanying drawings is as follows:
As shown in Figure 1 and Figure 2, the tubing nipple of antifriction and cable protection mainly comprises tubing nipple body 1, universal rolling mechanism 2, cable feedthrough 3, gland soket head cap screw 4.
As shown in Figure 1 and Figure 2, the two ends up and down of tubing nipple body 1 have trapezoidal connecting thread respectively, and on sidewall, axis in 90 ° is symmetrically distributed with the installing hole of four groups of universal rolling mechanisms, and often group three is equally spaced; Wherein have the mounting groove of the spacing groove of cable and cable feedthrough 3 between the installing hole of two groups, side, there are three groups of screwed holes in order to installing cables gland 3 of axially equidistant branch at the gland mounting groove position of the spacing groove both sides of cable.
As shown in Figure 1, Figure 3, universal rolling mechanism 2 comprises support plinth 21, rolling steel balls 22, rotating bearing ball 23, joint ring 24; Rolling steel balls 22, rotating bearing ball 23, joint ring 24 are installed on support plinth 21, by the installing hole of threaded set outside tubing nipple body 1; Rolling steel balls 22 directly contacts with the borehole wall and produces rolling friction, and the effect of joint ring 24 prevents dirt from entering in support plinth, affects the normal rolling of rotating bearing ball 23 and rolling steel balls 22; The key component of universal rolling mechanism 2 to be these utility models in down-hole reduce oil pipe 10 removes in well in process frictional resistance and wearing and tearing.
As shown in Figure 2 and Figure 3, the outside of cable feedthrough 3 is symmetrically distributed with three countersunk screw hole; Be fixed on by gland soket head cap screw 4 in the gland mounting groove of tubing nipple body 1 side, thus cable 5 be pressed in the spacing groove of cable, cable 5 and oil pipe 10 connect realize continuous, synchronous transfer and on carry, and keep certain stretching surplus; Prevent from or reduce in the annular space of cable 5 between oil pipe 10 and sleeve pipe 9 being squeezed and wearing and tearing.
The course of work of the tubing nipple of antifriction of the present utility model and cable protection is as follows:
As shown in Figure 4, the tubing nipple of antifriction and cable protection is installed between two oil pipes 10 in certain distance; Because magnetic orientation steering tool is when down-hole acts on, the Main Function of oil pipe 10 be by measurement inserting tube 13 continus convergence to down-hole a certain position; And be in stretched vertically state at straight well section oil pipe 10 by deadweight, seldom can rub with sleeve pipe 9, therefore, tubing nipple 11 needs in the horizontal segment of well and inclination section installation; Further, extend from horizontal segment toward straight well section, the mounting distance between two tubing nipples 11 is increasing; The tubing nipple 11 of continuous installation supports oil pipe 10, reduces oil pipe 10 in well, remove frictional resistance in process and wearing and tearing by the universal rolling mechanism in outside 2 and the rolling friction of sleeve pipe 9; Cable 5 is after down-hole is drawn from bypass valve 12, be pressed on each tubing nipple body 1 respectively by cable feedthrough 3, keep cable 5 to have certain stretching surplus between two tubing nipples 11 simultaneously, prevent cable 5 freely unsettled in oil pipe 10 with the annular space of sleeve pipe 9 or on coiled tubing 10, effectively avoid or reduce cable 5 removing conveying at oil pipe 10 and measuring in the process of inserting tube 13 and be squeezed and wear and tear and cable 5 self wearing and tearing with sleeve pipe 9 in well, ensure the stability that cable 5 transmits in underground power supply used and data.
Claims (4)
1. the tubing nipple of an antifriction and cable protection, primarily of tubing nipple body (1), universal rolling mechanism (2), cable feedthrough (3), gland soket head cap screw (4) composition, it is characterized in that: tubing nipple body (1) circumferentially axis in 90 ° is symmetrically distributed with the installing hole of universal rolling mechanism (2), with fixing universal rolling mechanism (2); Cable feedthrough (3) is fixed in the gland mounting groove between tubing nipple body (1) outside Liang Zu universal rolling mechanism (2) by gland soket head cap screw (4).
2. the tubing nipple of antifriction according to claim 1 and cable protection, it is characterized in that: the two ends up and down of described tubing nipple body (1) have trapezoidal connecting thread respectively, on sidewall, axis in 90 ° is symmetrically distributed with the installing hole of four groups of universal rolling mechanisms (2), and often group three is equally spaced; Wherein have the mounting groove of the spacing groove of cable and cable feedthrough (3) between the installing hole of two groups, side, there are three groups of screwed holes of axially equidistant branch at the gland mounting groove position of the spacing groove both sides of cable.
3. the tubing nipple of antifriction according to claim 1 and cable protection, is characterized in that: described universal rolling mechanism (2) comprises support plinth (21), rolling steel balls (22), rotating bearing ball (23), joint ring (24); Rolling steel balls (22), rotating bearing ball (23), joint ring (24) are installed on support plinth (21), and be arranged on by screw thread in the installing hole in tubing nipple body (1) outside, wherein rolling steel balls (22) directly contacts with the borehole wall.
4. the tubing nipple of antifriction according to claim 1 and cable protection, is characterized in that: the outside of described cable feedthrough (3) is symmetrically distributed with three countersunk screw hole; Be fixed on by gland soket head cap screw (4) in the gland mounting groove of tubing nipple body (1) side, thus cable (5) is pressed in the spacing groove of cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543151.7U CN204343997U (en) | 2014-09-22 | 2014-09-22 | The tubing nipple of a kind of antifriction and cable protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543151.7U CN204343997U (en) | 2014-09-22 | 2014-09-22 | The tubing nipple of a kind of antifriction and cable protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204343997U true CN204343997U (en) | 2015-05-20 |
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ID=53227272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543151.7U Expired - Fee Related CN204343997U (en) | 2014-09-22 | 2014-09-22 | The tubing nipple of a kind of antifriction and cable protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204343997U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131104A (en) * | 2016-11-30 | 2018-06-08 | 北京海蓝石油技术开发有限公司 | A kind of flow-guiding type centralizer and a kind of drilling measuring equipment |
| CN109193471A (en) * | 2018-09-20 | 2019-01-11 | 国家电网公司 | A kind of buried cable laying antifriction casing |
| CN110854796A (en) * | 2019-12-13 | 2020-02-28 | 中国石油化工股份有限公司 | Cable connector and connecting method thereof |
| CN110924749A (en) * | 2019-12-24 | 2020-03-27 | 辽宁隆立智能科技有限公司 | Oil pipe for solving horizontal well cable abrasion and using method thereof |
| CN112593869A (en) * | 2020-12-25 | 2021-04-02 | 西南石油大学 | But centralizer of self-adaptation reducing |
-
2014
- 2014-09-22 CN CN201420543151.7U patent/CN204343997U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131104A (en) * | 2016-11-30 | 2018-06-08 | 北京海蓝石油技术开发有限公司 | A kind of flow-guiding type centralizer and a kind of drilling measuring equipment |
| CN109193471A (en) * | 2018-09-20 | 2019-01-11 | 国家电网公司 | A kind of buried cable laying antifriction casing |
| CN110854796A (en) * | 2019-12-13 | 2020-02-28 | 中国石油化工股份有限公司 | Cable connector and connecting method thereof |
| CN110924749A (en) * | 2019-12-24 | 2020-03-27 | 辽宁隆立智能科技有限公司 | Oil pipe for solving horizontal well cable abrasion and using method thereof |
| CN112593869A (en) * | 2020-12-25 | 2021-04-02 | 西南石油大学 | But centralizer of self-adaptation reducing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Xiaowei Inventor after: Zhang Yong Inventor before: Zhang Yong |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20160922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |