CN101881140A - High-performance tool joint for transmitting electric power and relevant signals - Google Patents
High-performance tool joint for transmitting electric power and relevant signals Download PDFInfo
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- CN101881140A CN101881140A CN 201010210842 CN201010210842A CN101881140A CN 101881140 A CN101881140 A CN 101881140A CN 201010210842 CN201010210842 CN 201010210842 CN 201010210842 A CN201010210842 A CN 201010210842A CN 101881140 A CN101881140 A CN 101881140A
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Abstract
The invention relates to a high-performance tool joint for transmitting electric power and relevant signals. The high-performance tool joint consists of an internally threaded part and an externally threaded part, wherein the internally threaded part comprises a first external circular bead surface, a first cylindrical hole, an internal thread, a conical hole, a second cylindrical hole and an internal circular bead surface; the first external circular bead surface is positioned at the top end of the internally threaded part; the first cylindrical hole, the internal thread, the conical hole, the second cylindrical hole and the internal circular bead surface are arranged on the inner wall of the internally threaded part sequentially from the first external circular bead surface backward; the internal circular bead surface is annularly provided with a first signal transmission channel; one side of the internal circular bead surface is through provided with a first joint pipe transmission channel communicated with the first signal transmission channel; the externally threaded part comprises a second external circular bead surface, a first cylindrical surface, an external thread, a second cylindrical surface and a third external circular bead surface; the second external circular bead surface is positioned at the top end of the externally threaded part; the first cylindrical surface, the external thread, the second cylindrical surface and the third external circular bead surface are arranged on the outer wall of the externally threaded part sequentially from the second external circular bead surface backward; the second external circular bead surface is annularly provided with a second signal transmission channel; and one side of the internal circular bead surface is axially through provided with a second joint pipe transmission channel communicated with the second signal transmission channel. The high-performance tool joint solves the technical problems.
Description
Technical field
The present invention relates to a kind of oil, natural gas extraction tool-joint, particularly a kind of high-performance tool joint that is used for transmitting electric power and coherent signal.
Background technology
Along with the exploitation of worldwide oil gas field, more and more require the drilling process is realized the control of high efficiency smartization, to realize the abundant exploitation of resource.And existing technology generally be can't to drilling-production equipment particularly the underground drill string carry out FEEDBACK CONTROL effectively, causing in the drilling can not be in time and obtain accurately to the below ground situation, this also is to cause the one of the main reasons not high to manufacturing process efficient.If can in the exploitation of oil gas field and other geology energy, set up the information exchange of the following equipment in the ground and the face of land and control in real time, then can enhance productivity greatly, prevent the generation of unnecessary accident.Lacking effectively now, drilling-production equipment and system solve the outstanding problem that faces in the drilling process.
Chinese patent CN101315022A (application number 200710014691.0) but designed the joint of petroleum drill rod of a kind of transferring electric power and coherent signal, can in transferring power, circulating fluid, carry out the wire transmission of electric power and signal.This kind form of structure more complicated is not easy to actual production and use.
Summary of the invention
The object of the present invention is to provide a kind of high-performance tool joint that is used for transmitting electric power and coherent signal, mainly solve existing product form of structure more complicated, be not easy to the actual production and the technical problem of use, it has helped to improve the intelligent degree of operating mode, and traditional jointing technology maturation, the easy advantage of processing have been absorbed, adopt inner thread piece to match with external thread piece, being provided with of two shoulders can be played good torsional property, prevents joint generation partial failure; The design of this joint, can significantly reduce the stress level and the stress of joint design and concentrate situation, reduce the probability that fatigue failure takes place effectively, its torsional property is greatly improved, and can realize the transmission of electric power and coherent signal, realize the feedback effectively of ground and subsurface equipment, reached the purpose of coming the control production process on request, and production efficiency is greatly improved.
For achieving the above object, technical scheme of the present invention is:
A kind of high-performance tool joint that is used for transmitting electric power and coherent signal, it is made up of inner thread piece and external thread piece two parts, it is characterized in that:
Described inner thread piece comprises that the first outer circular bead surface, the inner thread piece inwall circular bead surface outside first that are positioned at the top are provided with first cylindrical hole, internal thread, conical bore, second cylindrical hole and circular bead surface backward successively, circular bead surface is equipped with first signal transmission passage in described, and provides the first joint body transmission channel that is communicated with first signal transmission passage on the interior shoulder of a side;
Described external thread piece comprises that the second outer circular bead surface, the external thread piece outer wall circular bead surface outside second that are positioned at the top are provided with circular bead surface outside first face of cylinder, external screw thread, second face of cylinder and the 3rd backward successively, be equipped with the secondary signal transmission channel on the described second outer circular bead surface, and axially provide the second joint body transmission channel that is communicated with the secondary signal transmission channel on the second outer circular bead surface of a side;
Described inner thread piece and external thread piece by internal and external threads fully in conjunction with the time, the first outer circular bead surface matches with the 3rd outer circular bead surface, first cylindrical hole matches with second face of cylinder, second cylindrical hole matches with first face of cylinder, interior circular bead surface matches with the second outer circular bead surface, and encircle first signal transmission passage and the secondary signal transmission channel of establishing on the interior circular bead surface and the second outer circular bead surface respectively and form an integral passage, the first joint body transmission channel, the second joint body transmission channel can be communicated with by this integral passage.
The described high-performance tool joint that is used for transmitting electric power and coherent signal is characterized in that: be provided with stress-relief groove between the described the 3rd outer circular bead surface and second face of cylinder.
The described high-performance tool joint that is used for transmitting electric power and coherent signal, it is characterized in that: described first signal transmission passage is identical with the cross sectional shape and the degree of depth of secondary signal transmission channel and the first joint body transmission channel and the second joint body transmission channel, its width a is 2-2.5mm, and its degree of depth b is 2-3mm.
The described high-performance tool joint that is used for transmitting electric power and coherent signal, it is characterized in that: the second joint body transmission channel is c apart from the distance of external thread piece inwall on the described external thread piece, c is 3-5mm, the first joint body transmission channel is d apart from the distance of inner thread piece inwall on the inner thread piece, and d is 3-5.5mm.
The described high-performance tool joint that is used for transmitting electric power and coherent signal, it is characterized in that: the breadth of section of the second outer circular bead surface of described external thread piece is that joint one end thickness is e, e is 8-10mm, and the thickness of inner thread piece upper inner platform shoulder face is f, f-e≤0.3mm.
The described high-performance tool joint that is used for transmitting electric power and coherent signal, it is characterized in that: the second joint body transmission channel is c apart from the distance of external thread piece inwall on the described external thread piece, c is 3-5mm, the first joint body transmission channel is d apart from the distance of inner thread piece inwall on the inner thread piece, and d is 3-5.5mm.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention has significantly improved the torsional property of joint, can determine the real size of joint according to condition of work, has reached needed anti-twisting property.When satisfying the drilling requirement, can transmitting electric power and coherent signal, realize the real time information transmission of equipment under the ground and the face of land, realize higher intelligent drilling requirement.And joint is easy to loading and unloading, helps application of practical project.
2, joint of the present invention is suitable for the use down of complicated drilling condition such as deep-well, ultradeep well, high pressure and super high pressure oil gas well.
Description of drawings
Fig. 1 is an inner thread piece structural representation of the present invention;
Among the figure:
1: interior circular bead surface, 2: inner thread piece, 3: the second cylindrical holes, 4: conical bore, 5: internal thread, 6: the first cylindrical holes, 7: the first outer circular bead surfaces, 8: the first signal transmission passages, 9: the first joint body transmission channels, 19: the inner thread piece inwall, f: the thickness of inner thread piece upper inner platform shoulder face, d: the first joint body transmission channel is apart from the distance of inner thread piece inwall on the inner thread piece.
Fig. 2 be among Fig. 1 A to view;
Among the figure:
21: transmission medium.
Fig. 3 is an external thread piece structural representation of the present invention;
Among the figure:
10: external thread piece, 11: the three outer circular bead surfaces, 12: stress-relief groove, 13: the second faces of cylinder, 14: external screw thread, 15: the second joint body transmission channels, 16: the first faces of cylinder, 17: the second outer circular bead surfaces, 18: secondary signal transmission channel, 20: external thread piece inwall, a: signal transmission passage width, c: the second joint body transmission channel is apart from the distance of external thread piece inwall on the external thread piece, and e: the breadth of section of the second outer circular bead surface of external thread piece is joint one an end thickness.
Fig. 4 is the signal transmission passage part sectioned view;
Among the figure:
B: the degree of depth of signal transmission passage.
The specific embodiment
See also Fig. 1-4, the invention provides a kind of high-performance tool joint that is used for transmitting electric power and coherent signal.As shown in the figure: it is made up of inner thread piece 2 and external thread piece 10 two parts, is that inner thread piece cooperates with the Taper Pipe of external thread piece on the whole.Be characterized in: described inner thread piece 2 comprises that the first outer circular bead surface 7, the inner thread piece inwall circular bead surface 7 outside first that are positioned at the top are provided with first cylindrical hole 6, internal thread 5, conical bore 4, second cylindrical hole 3 and circular bead surface 1 backward successively, circular bead surface 1 is equipped with first signal transmission passage 8 in described, and provides the first joint body transmission channel 9 that is communicated with first signal transmission passage 8 on the interior shoulder of a side.Described external thread piece 10 comprises that the second outer circular bead surface 17, the external thread piece outer wall circular bead surface 17 outside second that are positioned at the top are provided with circular bead surface 11 outside first face of cylinder 16, external screw thread 14, second face of cylinder 13 and the 3rd backward successively, be equipped with secondary signal transmission channel 18 on the described second outer circular bead surface 17, and axially provide the second joint body transmission channel 15 that is communicated with secondary signal transmission channel 18 on the second outer circular bead surface 17 of a side.Described inner thread piece 2 and external thread piece 10 by internal and external threads fully in conjunction with the time, the first outer circular bead surface 7 matches with the 3rd outer circular bead surface 11, first cylindrical hole 6 matches with second face of cylinder 13, second cylindrical hole 3 matches with first face of cylinder 18, interior circular bead surface 1 matches with the second outer circular bead surface 17, and on the interior circular bead surface 1 and the second outer circular bead surface 17 respectively first signal transmission passage 8 established of ring and secondary signal transmission channel 18 form an integral passage (such as: formed a circular channel by two semi-circular channel, it can not produce the stress concentration phenomenon), make the first joint body transmission channel 9, the second joint body transmission channel 15 can be communicated with by this integral passage.
Be provided with stress-relief groove 12 between the described the 3rd outer circular bead surface 11 and second face of cylinder 13.
Described first signal transmission passage 8 is identical with the cross sectional shape and the degree of depth of secondary signal transmission channel 18 and the first joint body transmission channel 9 and the second joint body transmission channel 15, and its width a is 2-2.5mm, and its degree of depth b is 2-3mm.The breadth of section of the second outer circular bead surface 17 of described external thread piece 10 is that joint one end thickness is e, and e is 8-10mm, and the thickness of inner thread piece 2 upper inner platforms shoulder face 1 is f, f-e≤0.3mm.The second joint body transmission channel 15 is c apart from the distance of external thread piece inwall on the described external thread piece 10, c is 3-5mm, the first joint body transmission channel 9 is d apart from the distance of inner thread piece inwall on the inner thread piece 2, d is 3-5.5mm, can play the effect that well reduces maximum stress after the internal and external threads engagement.
The present invention has good bonding strength and sealing performance, can improve the maximum stress of joint and the situation of stress distribution effectively.Torsional property is very superior.And can pass through signal transmission passage transmitting electric power and coherent signal, realize the intelligent control in real time of drilling process.
Embodiment 1:
Have structure of the present invention, its correlation technique parameter: a is 2mm, and b is 2.5mm, and e is 10mm, and f-e is 0.2mm, and c is 4mm, and d is 3.5mm.During use, can play the effect that well reduces maximum stress after the internal and external threads engagement, joint has good bonding strength and sealing performance, by FEM (finite element) calculation as can be known, compare with ordinary couplings, improved torsional property greatly, can improve the maximum stress of tool joint and the situation of stress distribution effectively, torsional property is very superior.The signal transmission passage cross section is circular, can not produce the stress concentration phenomenon, and this structure can be passed through signal transmission passage transmitting electric power and coherent signal, the intelligent control in real time of realization.
The above is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be technology category of the present invention.
Claims (6)
1. high-performance tool joint that is used for transmitting electric power and coherent signal, it is made up of inner thread piece (2) and external thread piece (10) two parts, it is characterized in that:
Described inner thread piece (2) comprises that the first outer circular bead surface (7), the inner thread piece inwall circular bead surface (7) outside first that are positioned at the top are provided with first cylindrical hole (6), internal thread (5), conical bore (4), second cylindrical hole (3) and circular bead surface (1) backward successively, circular bead surface (1) is equipped with first signal transmission passage (8) in described, and provides the first joint body transmission channel (9) that is communicated with first signal transmission passage (8) on the interior shoulder of a side;
Described external thread piece (10) comprises that the second outer circular bead surface (17), the external thread piece outer wall circular bead surface (17) outside second that are positioned at the top are provided with circular bead surface (11) outside first face of cylinder (18), external screw thread (14), second face of cylinder (13) and the 3rd backward successively, be equipped with secondary signal transmission channel (18) on the described second outer circular bead surface (17), and axially provide the second joint body transmission channel (15) that is communicated with secondary signal transmission channel (18) on the second outer circular bead surface (17) of a side;
Described inner thread piece (2) and external thread piece (10) by internal and external threads fully in conjunction with the time, the first outer circular bead surface (7) matches with the 3rd outer circular bead surface (11), first cylindrical hole (6) matches with second face of cylinder (13), second cylindrical hole (3) matches with first face of cylinder (16), interior circular bead surface (1) matches with the second outer circular bead surface (17), and encircle first signal transmission passage of establishing (8) on the interior circular bead surface (1) and the second outer circular bead surface (17) respectively and form an integral passage, make the first joint body transmission channel (9) with secondary signal transmission channel (18), the second joint body transmission channel (15) can be communicated with by this integral passage.
2. the high-performance tool joint that is used for transmitting electric power and coherent signal according to claim 1 is characterized in that: be provided with stress-relief groove (12) between the described the 3rd outer circular bead surface (11) and second face of cylinder (13).
3. the high-performance tool joint that is used for transmitting electric power and coherent signal according to claim 1 and 2, it is characterized in that: described first signal transmission passage (8) is identical with the cross sectional shape and the degree of depth of the second joint body transmission channel (15) with the secondary signal transmission channel (18) and the first joint body transmission channel (9), its width a is 2-2.5mm, and its degree of depth b is 2-3mm.
4. the high-performance tool joint that is used for transmitting electric power and coherent signal according to claim 3, it is characterized in that: the last second joint body transmission channel (15) of described external thread piece (10) is c apart from the distance of external thread piece inwall, c is 3-5mm, the last first joint body transmission channel (9) of inner thread piece (2) is d apart from the distance of inner thread piece inwall, and d is 3-5.5mm.
5. the high-performance tool joint that is used for transmitting electric power and coherent signal according to claim 1 and 2, it is characterized in that: the breadth of section of the second outer circular bead surface (17) of described external thread piece (10) is that joint one end thickness is e, e is 8-10mm, the thickness of inner thread piece (2) upper inner platform shoulder face (1) is f, f-e≤0.3mm.
6. the high-performance tool joint that is used for transmitting electric power and coherent signal according to claim 5, it is characterized in that: the last second joint body transmission channel (15) of described external thread piece (10) is c apart from the distance of external thread piece inwall, c is 3-5mm, the last first joint body transmission channel (9) of inner thread piece (2) is d apart from the distance of inner thread piece inwall, and d is 3-5.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010210842 CN101881140A (en) | 2010-06-25 | 2010-06-25 | High-performance tool joint for transmitting electric power and relevant signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010210842 CN101881140A (en) | 2010-06-25 | 2010-06-25 | High-performance tool joint for transmitting electric power and relevant signals |
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| Publication Number | Publication Date |
|---|---|
| CN101881140A true CN101881140A (en) | 2010-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010210842 Pending CN101881140A (en) | 2010-06-25 | 2010-06-25 | High-performance tool joint for transmitting electric power and relevant signals |
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| Country | Link |
|---|---|
| CN (1) | CN101881140A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482812A (en) * | 2016-11-21 | 2017-03-08 | 国网湖北省电力公司武汉供电公司 | A kind of river course shaft tower water level monitoring alarm |
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|---|---|---|---|---|
| CN1975095A (en) * | 2002-05-31 | 2007-06-06 | 施卢默格海外有限公司 | Wired pipe joint with current circuit inductive coupler |
| CN2937758Y (en) * | 2006-06-19 | 2007-08-22 | 中国南车集团戚墅堰机车车辆厂 | Fixing device for rotation component |
| CN201100098Y (en) * | 2007-08-22 | 2008-08-13 | 上海海隆石油管材研究所 | Curved face butting double shoulder highly anti-twisting drill pipe joint |
| US20090151926A1 (en) * | 2005-05-21 | 2009-06-18 | Hall David R | Inductive Power Coupler |
| US20100097890A1 (en) * | 2008-10-20 | 2010-04-22 | Sullivan Eric C | Methods and apparatuses for data collection and communication in drill string components |
-
2010
- 2010-06-25 CN CN 201010210842 patent/CN101881140A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1975095A (en) * | 2002-05-31 | 2007-06-06 | 施卢默格海外有限公司 | Wired pipe joint with current circuit inductive coupler |
| US20090151926A1 (en) * | 2005-05-21 | 2009-06-18 | Hall David R | Inductive Power Coupler |
| CN2937758Y (en) * | 2006-06-19 | 2007-08-22 | 中国南车集团戚墅堰机车车辆厂 | Fixing device for rotation component |
| CN201100098Y (en) * | 2007-08-22 | 2008-08-13 | 上海海隆石油管材研究所 | Curved face butting double shoulder highly anti-twisting drill pipe joint |
| US20100097890A1 (en) * | 2008-10-20 | 2010-04-22 | Sullivan Eric C | Methods and apparatuses for data collection and communication in drill string components |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482812A (en) * | 2016-11-21 | 2017-03-08 | 国网湖北省电力公司武汉供电公司 | A kind of river course shaft tower water level monitoring alarm |
| CN106482812B (en) * | 2016-11-21 | 2023-09-29 | 国网湖北省电力公司武汉供电公司 | River channel pole tower water level monitoring alarm |
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Application publication date: 20101110 |