CN102418512B - Flexible insulation short section - Google Patents
Flexible insulation short section Download PDFInfo
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- CN102418512B CN102418512B CN201110327640.XA CN201110327640A CN102418512B CN 102418512 B CN102418512 B CN 102418512B CN 201110327640 A CN201110327640 A CN 201110327640A CN 102418512 B CN102418512 B CN 102418512B
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- ring
- hand thread
- semi
- pipe nipple
- short section
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Abstract
The invention relates to the technical field of flexible connection devices among horizontal well and irregular well logging instrument strings, in particular to a flexible insulation short section. The short section comprises a left short section, a right short section and a connection bushing, wherein an annular groove is formed on the inner side of the right part of the left short section; the connection bushing is arranged in the groove; the right part of the left short section and the connection bushing are arranged together through two vertically symmetric connection pins; an annular bulge is arranged at the left end of the right short section; the bulge is arranged in the connection bushing; and the bulge and the connection bushing are arranged together through two horizontally symmetric connection pins. The short section has a reasonable and compact structure and is convenient to use; the relative rotation angles of the left short section and the right short section which are connected with the connection bushing are increased through the connection bushing, so that vibration is difficult to cause, and parts are difficult to damage; and a left insulation ring and a right insulation ring are sleeved on the left short section and the right short section, so that connected measuring electrodes are mutually insulated.
Description
Technical field
the present invention relates to flexible connecting device technical field between horizontal well and irregular borehole logging tool instrument string, is a kind of flexible insulating short joint.
Background technology
pipe nipple is the important component part that connects logging instrument; Flexibly connecting between instrument string when flexible nipple is mainly used in horizontal well and irregular borehole logging tool; Angle between the part that crossed joint and universal joint allow to be connected changes within the specific limits, but owing to being subject to the restriction of axial dimension, requires drift angle larger again, easily causes vibration, the damage of aggravation parts; Because of naked measure, cause between connector on-insulated again.
Summary of the invention
the invention provides a kind of flexible insulating short joint, overcome the deficiency of above-mentioned prior art, it can effectively solve existing connector and easily aggravate the damage of parts and on-insulated problem.
technical scheme of the present invention realizes by following measures: a kind of flexible insulating short joint, comprises left pipe nipple, right pipe nipple and connecting bushing; There is annular groove right part inner side at left pipe nipple, and connecting bushing is installed in groove; Two by vertical symmetry between the right part of left pipe nipple and connecting bushing are connected pin and are installed together; Left end at right pipe nipple has annular projection, and projection is arranged on the inside of connecting bushing, and two by horizontal symmetrical between projection and connecting bushing are connected pin and are installed together.
the further optimization and/or improvements to foregoing invention technical scheme below:
there is annular threaded collar mounting groove in above-mentioned left pipe nipple left part outside, is installed with successively from inside to outside left dead ring and left-hand thread ring in threaded collar mounting groove, and the left part of left dead ring is sleeved on the left part of left pipe nipple; Left part at left-hand thread ring has external screw thread, and the external diameter of left dead ring left part is corresponding with the externally threaded external diameter of left-hand thread ring left part; In right pipe nipple right part outside, have annular threaded collar mounting groove, be installed with successively from inside to outside right dead ring and right-hand thread ring in threaded collar mounting groove, the right part of right dead ring is sleeved on the right part of right pipe nipple; Right part at right-hand thread ring has external screw thread, and the external diameter of right dead ring right part is corresponding with the externally threaded external diameter of right-hand thread ring right part.
above-mentioned left-hand thread ring comprises on left-hand thread semi-ring under semi-ring and left-hand thread; On left-hand thread, under semi-ring and left-hand thread, semi-ring is respectively semicircle shape; On left-hand thread, under semi-ring and left-hand thread, there is respectively screw thread in the left part of semi-ring outside; Left dead ring comprises two left insulation semi-rings, and left insulation semi-ring is semicircle shape, and on left-hand thread, second ring set of semi-ring and left-hand thread is contained on two left insulation semi-rings and is fixed together.
on above-mentioned left-hand thread, there is upper lug the both sides, right part lower end of semi-ring, have connecting hole in upper lug; Under the left-hand thread corresponding with upper lug, there is lower lug the both sides, right part upper end of semi-ring, on lower lug, have connecting hole, and on left-hand thread, under semi-ring and left-hand thread, connecting hole, the screw bolt and nut of semi-ring by upper lug and lower lug is fixed together.
above-mentioned right-hand thread ring comprises on right-hand thread semi-ring under semi-ring and right-hand thread; On right-hand thread, under semi-ring and right-hand thread, semi-ring is respectively semicircle shape; On right-hand thread, under semi-ring and right-hand thread, there is respectively screw thread in the right part of semi-ring outside; Right dead ring comprises two right insulation semi-rings, and right insulation semi-ring is semicircle shape, and on right-hand thread, second ring set of semi-ring and right-hand thread is contained on two right insulation semi-rings and is fixed together.
on above-mentioned right-hand thread, there is upper lug the both sides, left part lower end of semi-ring, have connecting hole in upper lug; Under the right-hand thread corresponding with upper lug, there is lower lug the both sides, left part upper end of semi-ring, on lower lug, have connecting hole; On right-hand thread, under semi-ring and right-hand thread, connecting hole, the screw bolt and nut of semi-ring by upper lug and lower lug is fixed together.
on above-mentioned left-hand thread, on the left insulation semi-ring in semi-ring left side and left pipe nipple, there is locating hole, on right-hand thread, on the right insulation semi-ring on semi-ring right side and right pipe nipple, have locating hole.
reasonable and compact in structure of the present invention, easy to use; By connecting bushing make connected left pipe nipple and right pipe nipple in relative rotation angle increase, be difficult for causing the damage of vibration and parts; At left pipe nipple and right pipe nipple, be respectively installed with left dead ring and right dead ring, mutual insulating between the measurement electrode that makes to connect.
Accompanying drawing explanation
accompanying drawing 1 is looked sectional structure schematic diagram for the master of most preferred embodiment of the present invention.
accompanying drawing 2 is that the A-A of accompanying drawing 1 is to sectional structure schematic diagram.
accompanying drawing 3 is that the B-B of accompanying drawing 1 is to sectional structure schematic diagram.
accompanying drawing 4 is that the C-C of accompanying drawing 1 is to sectional structure schematic diagram.
coding in accompanying drawing is respectively: 1 is connecting bushing, and 2 for connecting pin, and 3 is projection, 4 is groove, and 5 is left pipe nipple, and 6 is right pipe nipple, 7 is left insulation semi-ring, and 8 is semi-ring on left-hand thread, and 9 is semi-ring under left-hand thread, 10 is bolt, and 11 is upper lug, and 12 is lower lug, 13 is semi-ring on right-hand thread, and 14 is semi-ring under right-hand thread, and 15 is locating hole, 16 is nut, and 17 is right insulation semi-ring.
The specific embodiment
the present invention is not subject to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description, as: the position relationship of upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the invention will be further described:
as shown in Figure 1, this flexible insulating short joint comprises left pipe nipple 5, right pipe nipple 6 and connecting bushing 1; There is annular groove 4 right part inner side at left pipe nipple 5, and connecting bushing 1 is installed in groove 4; Two by vertical symmetry between the right part of left pipe nipple 5 and connecting bushing 1 are connected pin 2 and are installed together; Left end at right pipe nipple 6 has annular projection 3, the inside that projection 3 is arranged on connecting bushing 1, and two by horizontal symmetrical between projection 3 and connecting bushing 1 are connected pin 2 and are installed together; Can make so left pipe nipple 5 and right pipe nipple 6 with respect to connecting bushing 1, form the rotation of horizontal direction and vertical direction, making to relatively rotate angle increases, can meet turning to and degree of crook of instrument while logging well under horizontal well and irregular hole condition, be difficult for making it to cause damage.
can according to actual needs, above-mentioned flexible insulating short joint be made further optimization and/or improvements:
as shown in accompanying drawing 1,3,4, in left pipe nipple 5 left part outsides, there is annular threaded collar mounting groove, in threaded collar mounting groove, be installed with successively from inside to outside left dead ring and left-hand thread ring, the left part of left dead ring is sleeved on the left part of left pipe nipple 5; Left part at left-hand thread ring has external screw thread, and the external diameter of left dead ring left part is corresponding with the externally threaded external diameter of left-hand thread ring left part; In right pipe nipple 6 right part outsides, have annular threaded collar mounting groove, be installed with successively from inside to outside right dead ring and right-hand thread ring in threaded collar mounting groove, the right part of right dead ring is sleeved on the right part of right pipe nipple 6; Right part at right-hand thread ring has external screw thread, and the external diameter of right dead ring right part is corresponding with the externally threaded external diameter of right-hand thread ring right part; Can make like this between left-hand thread ring and left pipe nipple 5 insulation, between right-hand thread ring and right pipe nipple 6, insulate, the phenomenon thereby the measurement electrode that prevents both sides is short-circuited.
as shown in accompanying drawing 1,3, left-hand thread ring comprises on left-hand thread semi-ring 9 under semi-ring 8 and left-hand thread; On left-hand thread, under semi-ring 8 and left-hand thread, semi-ring 9 is respectively semicircle shape; On left-hand thread, under semi-ring 8 and left-hand thread, there is respectively screw thread in the left part of semi-ring 9 outside; Left dead ring comprises two left insulation semi-rings 7, and left insulation semi-ring 7 is semicircle shape, and on left-hand thread, under semi-ring 8 and left-hand thread, semi-ring 9 is sleeved on two left insulation semi-rings 7 and is fixed together; Be convenient to the installation to left-hand thread ring and left dead ring.
as shown in accompanying drawing 1,3, on left-hand thread, there is upper lug 11 both sides, right part lower end of semi-ring 8, in upper lug 11, have connecting hole; Under the left-hand thread corresponding with upper lug 11, there is lower lug 12 both sides, right part upper end of semi-ring 9, on lower lug 12, have connecting hole, on left-hand thread, under semi-ring 8 and left-hand thread, connecting hole, bolt 10 and the nut 16 of semi-ring 9 by upper lug 11 and lower lug 12 is fixed together; Can facilitate like this installation and removal between semi-ring 9 under semi-ring 8 and left-hand thread on left-hand thread.
as shown in accompanying drawing 1,4, right-hand thread ring comprises on right-hand thread semi-ring 14 under semi-ring 13 and right-hand thread; On right-hand thread, under semi-ring 13 and right-hand thread, semi-ring 14 is respectively semicircle shape; On right-hand thread, under semi-ring 13 and right-hand thread, there is respectively screw thread in the right part of semi-ring 14 outside; Right dead ring comprises two right insulation semi-rings 17, and right insulation semi-ring 17 is semicircle shape, and on right-hand thread, under semi-ring 13 and right-hand thread, semi-ring 14 is sleeved on two right insulation semi-rings 17 and is fixed together; Be convenient to the installation to left-hand thread ring and right dead ring.
as shown in accompanying drawing 1,4, on right-hand thread, there is upper lug 11 both sides, left part lower end of semi-ring 13, in upper lug 11, have connecting hole; Under the right-hand thread corresponding with upper lug 11, there is lower lug 12 both sides, left part upper end of semi-ring 14, on lower lug 12, have connecting hole; On right-hand thread, under semi-ring 13 and right-hand thread, connecting hole, bolt 10 and the nut 16 of semi-ring 14 by upper lug 11 and lower lug 12 is fixed together; Can facilitate like this installation and removal between semi-ring 14 under semi-ring 13 and right-hand thread on right-hand thread.
as shown in Figure 1, on left-hand thread, on the left insulation semi-ring 7 in semi-ring 8 left sides and left pipe nipple 5, there is locating hole 15, on right-hand thread, on the right insulation semi-ring 17 on semi-ring 13 right sides and right pipe nipple 6, have locating hole 15; For the measurement electrode radial location with both sides to invention.
above technical characterictic has formed most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
the use procedure of most preferred embodiment of the present invention: first connecting bushing 1 is packed in groove 4, again projection 3 is inserted in connecting bushing 1, vertical direction is connected left pipe nipple 5 with connecting pin 2 with connecting bushing 1, horizontal direction is connected right pipe nipple 6 with connecting pin 2 with connecting bushing 1; Then will in the threaded collar mounting groove of left insulation semi-ring 7 and the right-hand thread semi-ring 17 left pipe nipples 5 of embedding and right pipe nipple 6, also fasten; Again semi-ring 9 under semi-ring on left-hand thread 8 and left-hand thread is set in to the outside of two left insulation semi-rings 7, then with bolt 10, the upper lug in left side 11 is connected with lower lug 12 and makes on left-hand thread semi-ring 9 under semi-ring 8 and left-hand thread be fixed together; Simultaneously on right-hand thread, under semi-ring 13 and right-hand thread, semi-ring 14 is set in the outside of two right insulation semi-rings 17, then with bolt 10, the upper lug on right side 11 is connected with lower lug 12 and makes on right-hand thread semi-ring 14 under semi-ring 13 and right-hand thread be fixed together; Again oil circuit pipeline and through track are penetrated by right pipe nipple 6 and passed from left pipe nipple 5; Left-hand thread ring on left pipe nipple 5 is fixedly connected with by screw thread with left side measurement electrode, in the locating hole 15 on the left of being arranged on shop bolt, carries out radial location; Again the right-hand thread ring of right pipe nipple 6 is fixedly connected with by screw thread with right side measurement electrode, then with shop bolt, is arranged in the locating hole 15 on right side and carries out radial location.
Claims (1)
1. a flexible insulating short joint, is characterized in that comprising left pipe nipple, right pipe nipple and connecting bushing; There is annular groove right part inner side at left pipe nipple, and connecting bushing is installed in groove; Two by vertical symmetry between the right part of left pipe nipple and connecting bushing are connected pin and are installed together; Left end at right pipe nipple has annular projection, and projection is arranged on the inside of connecting bushing, and two by horizontal symmetrical between projection and connecting bushing are connected pin and are installed together; Wherein: there is annular threaded collar mounting groove in left pipe nipple left part outside, is installed with successively from inside to outside left dead ring and left-hand thread ring in threaded collar mounting groove, and the left part of left dead ring is sleeved on the left part of left pipe nipple; Left part at left-hand thread ring has external screw thread, and the external diameter of left dead ring left part is corresponding with the externally threaded external diameter of left-hand thread ring left part; In right pipe nipple right part outside, have annular threaded collar mounting groove, be installed with successively from inside to outside right dead ring and right-hand thread ring in threaded collar mounting groove, the right part of right dead ring is sleeved on the right part of right pipe nipple; Right part at right-hand thread ring has external screw thread, and the external diameter of right dead ring right part is corresponding with the externally threaded external diameter of right-hand thread ring right part; Left-hand thread ring comprises on left-hand thread semi-ring under semi-ring and left-hand thread; On left-hand thread, under semi-ring and left-hand thread, semi-ring is respectively semicircle shape; On left-hand thread, under semi-ring and left-hand thread, there is respectively screw thread in the left part of semi-ring outside; Left dead ring comprises two left insulation semi-rings, and left insulation semi-ring is semicircle shape, and on left-hand thread, second ring set of semi-ring and left-hand thread is contained on two left insulation semi-rings and is fixed together; On left-hand thread, there is upper lug the both sides, right part lower end of semi-ring, have connecting hole in upper lug; Under the left-hand thread corresponding with upper lug, there is lower lug the both sides, right part upper end of semi-ring, on lower lug, have connecting hole, and on left-hand thread, under semi-ring and left-hand thread, connecting hole, the screw bolt and nut of semi-ring by upper lug and lower lug is fixed together; Right-hand thread ring comprises on right-hand thread semi-ring under semi-ring and right-hand thread; On right-hand thread, under semi-ring and right-hand thread, semi-ring is respectively semicircle shape; On right-hand thread, under semi-ring and right-hand thread, there is respectively screw thread in the right part of semi-ring outside; Right dead ring comprises two right insulation semi-rings, and right insulation semi-ring is semicircle shape, and on right-hand thread, second ring set of semi-ring and right-hand thread is contained on two right insulation semi-rings and is fixed together; On right-hand thread, there is upper lug the both sides, left part lower end of semi-ring, have connecting hole in upper lug; Under the right-hand thread corresponding with upper lug, there is lower lug the both sides, left part upper end of semi-ring, on lower lug, have connecting hole; On right-hand thread, under semi-ring and right-hand thread, connecting hole, the screw bolt and nut of semi-ring by upper lug and lower lug is fixed together; On left-hand thread, on the left insulation semi-ring in semi-ring left side and left pipe nipple, there is locating hole, on right-hand thread, on the right insulation semi-ring on semi-ring right side and right pipe nipple, have locating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110327640.XA CN102418512B (en) | 2011-10-26 | 2011-10-26 | Flexible insulation short section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110327640.XA CN102418512B (en) | 2011-10-26 | 2011-10-26 | Flexible insulation short section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102418512A CN102418512A (en) | 2012-04-18 |
| CN102418512B true CN102418512B (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110327640.XA Active CN102418512B (en) | 2011-10-26 | 2011-10-26 | Flexible insulation short section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102418512B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305816B (en) * | 2020-03-18 | 2023-07-25 | 中国石油天然气集团有限公司 | Electrode ring nipple |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5007490A (en) * | 1990-06-20 | 1991-04-16 | Ide Russell D | Progressive cavity drive train with elastomeric joint assembly for use in downhole drilling |
| US5048622A (en) * | 1990-06-20 | 1991-09-17 | Ide Russell D | Hermetically sealed progressive cavity drive train for use in downhole drilling |
| CN201314229Y (en) * | 2008-12-22 | 2009-09-23 | 杭州泛太石油设备科技有限公司 | Flexible joint of logging instrument |
| CN202250035U (en) * | 2011-10-26 | 2012-05-30 | 中国石油集团西部钻探工程有限公司 | Flexible insulating short joint |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6484801B2 (en) * | 2001-03-16 | 2002-11-26 | Baker Hughes Incorporated | Flexible joint for well logging instruments |
-
2011
- 2011-10-26 CN CN201110327640.XA patent/CN102418512B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5007490A (en) * | 1990-06-20 | 1991-04-16 | Ide Russell D | Progressive cavity drive train with elastomeric joint assembly for use in downhole drilling |
| US5048622A (en) * | 1990-06-20 | 1991-09-17 | Ide Russell D | Hermetically sealed progressive cavity drive train for use in downhole drilling |
| CN201314229Y (en) * | 2008-12-22 | 2009-09-23 | 杭州泛太石油设备科技有限公司 | Flexible joint of logging instrument |
| CN202250035U (en) * | 2011-10-26 | 2012-05-30 | 中国石油集团西部钻探工程有限公司 | Flexible insulating short joint |
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| Publication number | Publication date |
|---|---|
| CN102418512A (en) | 2012-04-18 |
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Effective date of registration: 20190815 Address after: 100120 Liupu Kang, Xicheng District, Beijing Co-patentee after: China National Petroleum Group Logging Co., Ltd. Patentee after: China Petroleum and Natural Gas Group Co., Ltd. Address before: 834000 Well Logging Company No.9 Youjian Road, Karamay City, Xinjiang Uygur Autonomous Region Patentee before: CNPC Xibu Drilling Engineering Company Limited |