CN203335060U - Rotation three-parameter short section - Google Patents
Rotation three-parameter short section Download PDFInfo
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- CN203335060U CN203335060U CN2013204034224U CN201320403422U CN203335060U CN 203335060 U CN203335060 U CN 203335060U CN 2013204034224 U CN2013204034224 U CN 2013204034224U CN 201320403422 U CN201320403422 U CN 201320403422U CN 203335060 U CN203335060 U CN 203335060U
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- ball bearing
- tension pick
- joint
- sealing ring
- bearing
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Abstract
The utility model relates to a logging instrument in the field of oil extraction, in particular to a rotation three-parameter short section. The rotation three-parameter short section comprises an outer shell, tension sensors, a temperature sensor and a mud resistivity electrode. The outer shell comprises an upper covering cap, a lower covering cap, an upper joint, a middle joint and a lower joint, wherein the upper covering cap and the lower covering cap are placed on the two end portions of the outer shell respectively, and the upper joint, the middle joint and the lower joint are arranged between the upper covering cap and the lower covering cap. A bearing sleeve, a bothway sealing ring and a sealing joint are axially arranged between the upper joint and the middle joint. The upper joint and the bearing sleeve, the bearing sleeve and the bothway sealing ring, and the sealing joint and the middle joint are all in sealing fixed connection. A center shaft is mounted inside the bearing sleeve through a thrust ball bearing and a deep groove ball bearing. The tension sensors are mounted in an inner cavity of the center shaft, an inner cavity of the bothway sealing ring and an inner cavity of the sealing joint, one ends of the tension sensors are fixedly connected with the center shaft, and the other ends of the tension sensors and the sealing joint are connected together in rotating and sleeved modes. Therefore, the length of an instrument string is effectively decreased.
Description
Technical field
The utility model relates to the logger in field of petroleum exploitation, is specifically related to a kind of rotation three parameter pipe nipples.
Background technology
In the oil reservoir logging process, due to cable transfer and on put forward process and can produce moment of torsion, in the situation that there is no rotating short-knot: 1) torsion of instrument string rotation will be delivered on cable, even twist off cable.2) be connected with the instrument do not allowed with electric cable rotary in the logger string, such as instruments such as four arm hole diameters, if the moment of torsion that instrument produces because of cable at during well logging has caused the rotation of instrument, may cause measure error even to cause instrument damage.During well logging, the rotating short-knot two ends can relatively rotate, and guarantee again the perforation of electric signal simultaneously, extend the application life of logging cable, improve the reliability of well logging.
Well temperature, tension force, mud resistivity are as the subsidiary parameter, significant to safety, the data interpretation of well logging.The logger that rotating short-knot and three-parameter measuring pipe nipple are integrated does not also appear at present.
The utility model is the further improvement of carrying out on the patent 201220135818.0 of having patented the applicant, by rotating short-knot and three-parameter measuring pipe nipple integral instrument, greatly reduces the length of instrument string.
The utility model content
The purpose of this utility model is the problem and shortage for above-mentioned existence, provides a kind of by three-parameter measuring pipe nipple and rotation three parameter pipe nipples together with rotating short-knot is integrated.
For achieving the above object, the technical scheme of taking is:
A kind of rotation three parameter pipe nipples, include shell, tension pick-up, temperature pick up and mud resistivity electrode, described shell comprises upper cap and the lower cover cap that lays respectively at both ends, and be arranged on the top connection between upper cap and lower cover cap, transition joint and lower contact, be axially arranged with bearing sleeve between described top connection and transition joint, two-way sealing ring and seal nipple, between top connection and bearing sleeve, between bearing sleeve and two-way sealing ring, between seal nipple and transition joint, all be sealedly and fixedly connected, by thrust ball bearing and deep groove ball bearing, central axis is installed in bearing sleeve, central axis, in the inner chamber of two-way sealing ring and seal nipple, tension pick-up is installed, one end of tension pick-up is fixedly connected with central axis, the other end of tension pick-up and seal nipple turning set are connected together.
The shaft shoulder both sides of described central axis are respectively equipped with the first thrust ball bearing and the second thrust ball bearing, the both ends of described central axis are provided with respectively the first deep groove ball bearing and the second deep groove ball bearing, the first deep groove ball bearing outer ring and the second deep groove ball bearing outer ring all coordinate with the endoporus of bearing sleeve, be provided with Bearing washer between the endoporus convex shoulder of the first thrust ball bearing and bearing sleeve, between the second thrust ball bearing and the second deep groove ball bearing, be provided with the bearing force transmission ring.
Described tension pick-up is connected with the inner hole thread of central axis and is provided with holding screw, be provided with supported flange dish and the rotatory sealing pad that is groove type between tension pick-up and two-way sealing ring, supported flange dish and two-way sealing ring are fixed by screw, be provided with sealing ring in the groove of rotatory sealing pad, the material that described rotatory sealing pad adopts is polytetrafluoroethylene (PTFE), the lower end of tension pick-up is threaded connection an engaging nut, one side of engaging nut and the convex shoulder that the tension pick-up bottom is provided with fit, opposite side is provided with back-up ring, be provided with convex shoulder in the seal nipple endoporus and engage nut and fit, be provided with sealing ring between convex shoulder in the seal nipple endoporus and tension pick-up, to complete the rotation socket of tension pick-up and seal nipple.
Described supported flange dish endoporus is provided with between the boss be provided with in the middle part of boss and tension pick-up and is axially arranged with certain gap, and after breaking for tension pick-up, two boss laminatings guarantee that instruments can not be pulled off.
The described transition joint outside is provided with a plurality of balance plungers, the temperature pick up that the transition joint outside also is provided with cylindrical mud resistivity electrode, oiling nail, overflow valve and is tilted to, the plug-assembly that each holding wire in the transition joint inner chamber is provided with lower contact inner chamber top after by sealing-plug is connected.
Be set in together between described transition joint and lower contact and be fixedly connected with by radially fixture block, screw, radially fixture block quantity is 4 ~ 6.
Be provided with conducting slip ring in the endoporus of described top connection.
Be provided with the V-type mud retaining ring between described two-way sealing ring and seal nipple.
Adopt technique scheme, obtained beneficial effect is:
A kind of rotation three parameter pipe nipples of the utility model, by the improvement to original rotating short-knot and three-parameter measuring short-section thread syndeton, two kinds of instruments are united two into one, effectively shortened the length of instrument string, total is reasonable in design, the electric signal that can guarantee instrument is well measured, and has extended the application life of logging cable simultaneously, improves the reliability of well logging.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The local structure for amplifying schematic diagram that Fig. 2 is Fig. 1.
Fig. 3 be in Fig. 2 A-A to structural representation.
Fig. 4 be in Fig. 2 B-B to structural representation.
Sequence number in figure: 1 is upper cap, 2 is lower cover cap, 3 is top connection, 4 is transition joint, 5 is lower contact, 6 is bearing sleeve, 7 is two-way sealing ring, 8 is seal nipple, 9 is temperature pick up, 10 is the mud resistivity electrode, axle centered by 11, 12 is tension pick-up, 13 is sealing-plug, 14 is plug-assembly, 15 is conducting slip ring, 16 is the first thrust ball bearing, 17 is the second thrust ball bearing, 18 is the first deep groove ball bearing, 19 is the second deep groove ball bearing, 20 is the bearing force transmission ring, 21 is Bearing washer, 22 is balance plunger, 23 is fixture block radially, 24 is screw, 25 is the V-type mud retaining ring, 26 is the engaging nut, 27 is the oiling nail, 28 is the supported flange dish, 29 is the rotatory sealing pad, 30 is overflow valve.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.
Referring to Fig. 1～Fig. 4, a kind of rotation three parameter pipe nipples, include shell, tension pick-up 12, temperature pick up 9 and mud resistivity electrode 10, described shell comprises upper cap 1 and the lower cover cap 2 that lays respectively at both ends, and be arranged on the top connection 3 between upper cap 1 and lower cover cap 2, transition joint 4 and lower contact 5, be provided with conducting slip ring 15 in the endoporus of described top connection 3, be axially arranged with bearing sleeve 6 between top connection 3 and transition joint 4, two-way sealing ring 7 and seal nipple 8, between top connection 3 and bearing sleeve 6, between bearing sleeve 6 and two-way sealing ring 7, between seal nipple 8 and transition joint 4, all be sealedly and fixedly connected, by thrust ball bearing and deep groove ball bearing, central axis 11 is installed in bearing sleeve 6, the shaft shoulder both sides of central axis 11 are respectively equipped with the first thrust ball bearing 16 and the second thrust ball bearing 17, the both ends of described central axis 11 are provided with respectively the first deep groove ball bearing 18 and the second deep groove ball bearing 19, the outer ring of the first deep groove ball bearing 18 outer rings and the second deep groove ball bearing 19 all coordinates with the endoporus of bearing sleeve 6, be provided with Bearing washer 21 between the endoporus convex shoulder of the first thrust ball bearing 16 and bearing sleeve 6, be provided with bearing force transmission ring 20 between the second thrust ball bearing 17 and the second deep groove ball bearing 19.
Described central axis 11, tension pick-up 12 is installed in the inner chamber of two-way sealing ring 7 and seal nipple 8, tension pick-up 12 is connected with the inner hole thread of central axis 11 and is provided with holding screw, be provided with supported flange dish 28 and the rotatory sealing pad 29 that is groove type between tension pick-up 12 and two-way sealing ring 7, supported flange dish 28 is fixed by screw with two-way sealing ring 7, be provided with sealing ring in the groove of rotatory sealing pad 29, the material that described rotatory sealing pad 29 adopts is polytetrafluoroethylene (PTFE), the lower end of tension pick-up 12 is threaded connection an engaging nut 26, one side of engaging nut 26 and the convex shoulder that tension pick-up 12 bottoms are provided with fit, opposite side is provided with back-up ring, be provided with convex shoulder in seal nipple 8 endoporus and engage nut 26 and fit, be provided with sealing ring between convex shoulder in seal nipple 8 endoporus and tension pick-up 12, to complete tension pick-up 12, with the rotation of seal nipple 8, be socketed, be provided with V-type mud retaining ring 25 between two-way sealing ring 7 and seal nipple 8.
Described supported flange dish 28 endoporus are provided with between the boss that boss and tension pick-up 12 middle parts are provided with and are axially arranged with certain gap, stressed for two boss laminatings after breaking at tension pick-up 12, guarantee that instrument can not be pulled off.
Described transition joint 4 outsides are provided with a plurality of balance plungers 22, the temperature pick up 9 that transition joint 4 outsides also are provided with cylindrical mud resistivity electrode 10, oiling nail 27, overflow valve 30 and are tilted to, each holding wire in transition joint 4 inner chambers is connected by the rear plug-assembly 14 be provided with lower contact 5 inner chamber tops of sealing-plug 13.Because installation site and the following instrument of temperature pick up 9 and mud resistivity electrode 10 has the orientation requirement, therefore be set in together between transition joint 4 and lower contact 5 and radially fixture block 23, screw 24 are fixedly connected with by 6.
Claims (8)
1. one kind is rotated three parameter pipe nipples, include shell, tension pick-up, temperature pick up and mud resistivity electrode, described shell comprises upper cap and the lower cover cap that lays respectively at both ends, and be arranged on the top connection between upper cap and lower cover cap, transition joint and lower contact, it is characterized in that, be axially arranged with bearing sleeve between described top connection and transition joint, two-way sealing ring and seal nipple, between top connection and bearing sleeve, between bearing sleeve and two-way sealing ring, between seal nipple and transition joint, all be sealedly and fixedly connected, by thrust ball bearing and deep groove ball bearing, central axis is installed in bearing sleeve, central axis, in the inner chamber of two-way sealing ring and seal nipple, tension pick-up is installed, one end of tension pick-up is fixedly connected with central axis, the other end of tension pick-up and seal nipple turning set are connected together.
2. rotation three parameter pipe nipples according to claim 1, it is characterized in that, the shaft shoulder both sides of described central axis are respectively equipped with the first thrust ball bearing and the second thrust ball bearing, the both ends of described central axis are provided with respectively the first deep groove ball bearing and the second deep groove ball bearing, the outer ring of the first deep groove ball bearing outer ring and the second deep groove ball bearing all coordinates with the endoporus of bearing sleeve, be provided with Bearing washer between the endoporus convex shoulder of the first thrust ball bearing and bearing sleeve, between the second thrust ball bearing and the second deep groove ball bearing, be provided with the bearing force transmission ring.
3. rotation three parameter pipe nipples according to claim 1, it is characterized in that, described tension pick-up is connected with the inner hole thread of central axis and is provided with holding screw, be provided with supported flange dish and the rotatory sealing pad that is groove type between tension pick-up and two-way sealing ring, supported flange dish and two-way sealing ring are fixed by screw, be provided with sealing ring in the groove of rotatory sealing pad, the material that described rotatory sealing pad adopts is polytetrafluoroethylene (PTFE), the lower end of tension pick-up is threaded connection an engaging nut, one side of engaging nut and the convex shoulder that the tension pick-up bottom is provided with fit, opposite side is provided with back-up ring, be provided with convex shoulder in the seal nipple endoporus and engage nut and fit, be provided with sealing ring between convex shoulder in the seal nipple endoporus and tension pick-up, to complete the rotation socket of tension pick-up and seal nipple.
4. rotation three parameter pipe nipples according to claim 3, it is characterized in that, described supported flange dish endoporus is provided with between the boss be provided with in the middle part of boss and tension pick-up and is axially arranged with certain gap, and after breaking for tension pick-up, two boss laminatings guarantee that instruments can not be pulled off.
5. rotate according to claim 1 three parameter pipe nipples, it is characterized in that, the described transition joint outside is provided with a plurality of balance plungers, the temperature pick up that the transition joint outside also is provided with cylindrical mud resistivity electrode, oiling nail, overflow valve and is tilted to, the plug-assembly that each holding wire in the transition joint inner chamber is provided with lower contact inner chamber top after by sealing-plug is connected.
6. rotate according to claim 1 or 5 three parameter pipe nipples, it is characterized in that, be set in together between described transition joint and lower contact and be fixedly connected with by radially fixture block, screw, radially fixture block quantity is 4 ~ 6.
7. rotation three parameter pipe nipples according to claim 1, is characterized in that, in the endoporus of described top connection, is provided with conducting slip ring.
8. rotation three parameter pipe nipples according to claim 1, is characterized in that, is provided with the V-type mud retaining ring between described two-way sealing ring and seal nipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204034224U CN203335060U (en) | 2013-07-09 | 2013-07-09 | Rotation three-parameter short section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204034224U CN203335060U (en) | 2013-07-09 | 2013-07-09 | Rotation three-parameter short section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335060U true CN203335060U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204034224U Expired - Fee Related CN203335060U (en) | 2013-07-09 | 2013-07-09 | Rotation three-parameter short section |
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| Country | Link |
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| CN (1) | CN203335060U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863605A (en) * | 2015-01-19 | 2016-08-17 | 中国石油集团长城钻探工程有限公司 | Environmental parameter measurement nipple based on high-speed telemetry logging instrument |
| CN113067224A (en) * | 2021-06-01 | 2021-07-02 | 东营中昶能源科技有限公司 | Multi-core rotary wire passing device for underground |
-
2013
- 2013-07-09 CN CN2013204034224U patent/CN203335060U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863605A (en) * | 2015-01-19 | 2016-08-17 | 中国石油集团长城钻探工程有限公司 | Environmental parameter measurement nipple based on high-speed telemetry logging instrument |
| CN113067224A (en) * | 2021-06-01 | 2021-07-02 | 东营中昶能源科技有限公司 | Multi-core rotary wire passing device for underground |
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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: 20131211 Termination date: 20210709 |