CN201963208U - Driving force and signal transmission drill stem - Google Patents
Driving force and signal transmission drill stem Download PDFInfo
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- CN201963208U CN201963208U CN2010205669809U CN201020566980U CN201963208U CN 201963208 U CN201963208 U CN 201963208U CN 2010205669809 U CN2010205669809 U CN 2010205669809U CN 201020566980 U CN201020566980 U CN 201020566980U CN 201963208 U CN201963208 U CN 201963208U
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- ring
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Abstract
The utility model relates to a driving force and signal transmission drill stem used for petroleum geology exploration drilling, which is capable of realizing real-time two-way transmission of signals and transmitting strong current to a shaft bottom. The technical scheme of the driving force and signal transmission drill stem is that a transmission drill stem comprises a specialized drill stem joint, an electrical connector and a driving force and signal transmission drill stem body, the specialized drill stem joint comprises a specialized drill stem male joint and a specialized drill stem female joint, a male electrical connector is arranged at the position of the specialized drill stem male joint, and a female electrical connector is arranged at the position of the specialized drill stem female joint. The male electrical connector and the female electrical connector are composed of a conducting ring, an insulating sealing ring, a metal blocking ring, a connecting conductor, metal blocking ring sealing materials, an insulating elastic body and a positioning pin. An inner pipe, body insulating materials, a body transmission conductor and a drill stem body are arranged in a driving force and signal transmission drill stem body. The transmission drill stem has the advantages of being simple in structure, low in cost, high in efficiency, long in service life, and the like, and can be used for drills of wired real-time two-way information high-speed data transmission and electrical transmission.
Description
Technical field
The utility model relates to a kind of drilling tool that is used for the petroleum geology exploration drilling well, is a kind of power and signal transmission drilling rod with multiple function.
Background technology
With regard to the signal transmission, currently researched and developed multiple signal transmission technology, as technology such as mud pulse technology, electromagnetic wave technology, technology of acoustic wave, these technology can make signal be transferred to ground from the shaft bottom, and by measurement parameter to realize real-time Transmission, analysis and control.Yet along with the continuous increase of drilling depth, drilling well difficulty and drilling complexity degree, the signaling rate of these technology and reliability can not satisfy the needs of the drilling technology of modern develop rapidly.
What is more important, detecting instrument that use current down-hole and electricity consumption hardware such as electric driver or instrument are more and more, the electric power that need provide is also more and more, the electric power that only relies on battery or mud turbine generator to provide in original technical system can not meet the demands, is necessary the ground electric energy is transferred to the shaft bottom efficiently by drill string.
As far back as late 1930s, Crites et al. has carried out the structure design of electric power drilling well, but is not applied.The forties in 20th century, the former Soviet Union has begun the research of intelligent drilling rod, and successfully developed the down-hole electric drill, still using at present, but because its electrical plug poor reliability, often creep into the 1000m left and right joint and just lost efficacy because of wearing and tearing, and joint to take inner diameter volume big, greatly increased circulation of drilling fluid and pressed consumption.So this structure is not effectively promoted.At the beginning of 21 century, U.S. Grant Prideco company and many companies unite tackling key problem, have succeeded in developing 57/8 " the dock joint.Domestic, part oil colleges and universities and institute are carrying out correlative study work at present.
Summary of the invention
The purpose of this utility model is: for the real time bidirectional of realizing signal transmits, and can transmit forceful electric power to the shaft bottom, to satisfy the needs of current well drilling industry development, the spy provides a kind of power and signal transmission drilling rod.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of power and signal transmission drilling rod, form by special jewel knock-off joint, electric connection and power and signal transmission drilling rod body, its architectural feature is: the special jewel knock-off joint of this transmission drilling rod comprises special-purpose fillet of tool joint pins and special-purpose tool joint box two parts, the service message joint is installed at special-purpose fillet of tool joint pins position, at special-purpose tool joint box position female electric connection is installed, between special-purpose fillet of tool joint pins and special-purpose tool joint box, is connected power and signal transmission drilling rod body; Special-purpose fillet of tool joint pins and special-purpose tool joint box make the service message joint closely contact with female electric connection with being threaded, and carry out the transmission of electric current and signal, transmit the drilling rod body with power and signal simultaneously electric current or signal are transmitted to next electric connection; Electric connection comprises service message joint and female electric connection, its service message joint is by service message joint metal baffle ring, insulated enclosure circle in public, conducting ring in public, insulated enclosure circle in the public affairs, conducting ring in the public affairs, public external insulation sealing ring, public outer conducting ring, bonding conductor, metal baffle ring encapsulant is formed, service message joint metal baffle ring, insulated enclosure circle in public, conducting ring in public, insulated enclosure circle in the public affairs, conducting ring in the public affairs, public external insulation sealing ring, public outer conducting ring is nested together successively, and it is coaxial, bonding conductor is installed in the service message joint metal baffle ring groove, the top of bonding conductor connects with corresponding conducting ring, bottom and corresponding body transmission conductor connection, metal baffle ring encapsulant is installed in service message joint metal baffle ring groove position, its female electric connection is by female electric connection metal baffle ring, insulated enclosure circle in female, conducting ring in female, insulated enclosure circle among the mother, conducting ring among the mother, female external insulation sealing ring, female outer conducting ring, insulating elastomer, bonding conductor, the insulating elastomer transfer wire, alignment pin, metal baffle ring encapsulant, metal baffle ring O-ring seals is formed, female electric connection metal baffle ring, insulated enclosure circle in female, conducting ring in female, insulated enclosure circle among the mother, conducting ring among the mother, female external insulation sealing ring, female outer conducting ring is nested together successively, and it is coaxial, sealing ring and conducting ring all are positioned at female electric connection metal baffle ring top, and place on the insulating elastomer that is enclosed within female electric connection metal baffle ring portion, the insulating elastomer transfer wire is installed in the insulating elastomer, the top of insulating elastomer transfer wire connects with corresponding conducting ring, bottom and corresponding bonding conductor connection, alignment pin is installed in the pin-and-hole of female electric connection metal baffle ring and insulating elastomer, metal baffle ring O RunddichtringO is installed in the seal groove position of female electric connection metal baffle ring, and metal baffle ring encapsulant is installed in female electric connection metal baffle ring groove position; Power and signal transmission drilling rod body are made up of interior pipe, body insulation materials, body transmission conductor and drilling rod body, interior pipe is installed in the drilling rod body interior, and it is coaxial with the drilling rod body, between interior pipe and drilling rod body, fill the body insulation materials, the body transmission conductor is wrapped in the middle of the body insulation materials, interior pipe has sealed groove, and baffle ring and O RunddichtringO are installed in the groove.
The special jewel knock-off joint is 51/2 " improved non-standard joint on the FH joint basis; Nipple shoulder bevel diameter is D in the special jewel knock-off joint
F, D
FBe φ 172.8mm, the nipple internal diameter is φ 101.6mm, and the form of thread of special-purpose tool joint thread is V-0.038R, and footpath C is φ 146.71mm in the basal plane, the big footpath D of the big end of external screw thread
LBe φ 151.99mm, the big footpath D of external screw thread small end
SBe φ 130.83mm, the big end path of internal thread D
CBe φ 145.8mm, reamer hole outside diameter Q
CBe φ 154.06mm, near the special-purpose tool joint box escape position internal diameter special-purpose tool joint box (3) escape is that φ 118mm (3b) and special-purpose tool joint box step place internal diameter are φ 116mm (3a).
Three projections that become 120 ° of distributions are arranged at the insulating elastomer top, and bonding conductor and insulating elastomer transfer wire are installed in the projection; The insulating elastomer bottom has groove with the projection correspondence position, so that the body transmission conductor to be installed; Insulating elastomer is uniform 3 alignment pin through holes circumferentially.
Female electric connection metal baffle ring platform bottom has an annular groove, and baffle ring and O RunddichtringO are installed in the groove; Uniform 3 dowel holes on the platform; Platform excircle position has an annular groove, and metal baffle ring O RunddichtringO is installed; The platform position has 3 grooves, and body transmission conductor and metal baffle ring encapsulant are installed in the groove; Service message joint metal baffle ring and female electric connection metal baffle ring structural similarity, but service message joint metal baffle ring does not bore dowel hole and at circumferential location open loop connected in star, the groove at platform position is sealing not.
Its operating principle is: when power and the work of signal transmission drilling rod, special-purpose fillet of tool joint pins is threaded with special-purpose tool joint box, thereby compress the insulating elastomer on female electric connection, utilize the elastic force of insulating elastomer that service message joint and female electric connection are closely compressed, at this moment, electric current is passed to conducting ring in the public affairs from the upper body transmission conductor through bonding conductor the service message joint, in the public affairs conducting ring by with female electric connection in mother in conducting ring closely contact, electric current is passed to conducting ring among the mother, flow through again in insulating elastomer bonding conductor and elastic body transfer wire of electric current among the mother in the conducting ring passed to the lower body transmission conductor, transmission is gone down successively, thereby realizes the transmission of a phase current.In like manner, the transmission principle of other two-phases is identical.
The beneficial effects of the utility model are: the utility model can also be realized the real time bidirectional transmission of signal, and can transmit forceful electric power to the shaft bottom except that the function with conventional drill, to satisfy the needs of current well drilling industry development; The utility model has effectively utilized elastomeric elastic force, can increase the reliability of the efficiency of transmission of electric energy, the application life that prolongs drilling rod and raising drilling rod; Simultaneously, the utility model does not have specific (special) requirements to drilling fluid types and drilling technology; This transmission drilling rod has characteristics such as simple in structure, that cost is low, efficient is high, the life-span is long, can be used in the drilling well of wired real time bidirectional high speed information rate transfer of data and electric power transfer.
Description of drawings
Fig. 1 is the structure chart of the utility model power and signal transmission drilling rod; Fig. 2 is an A-A sectional view among Fig. 1;
Fig. 3 is a partial enlarged drawing among Fig. 1; Fig. 4 is the profile at B-B position among Fig. 1;
Fig. 5 is the profile at C-C position among Fig. 1; Fig. 6 is the profile at D-D position among Fig. 1;
Fig. 7 is the profile at E-E position among Fig. 1; Fig. 8 is the profile at F-F position among Fig. 1;
Fig. 9 is the profile at G-G position among Fig. 1; Figure 10 is the profile at H-H position among Fig. 1;
Figure 11 is insulating elastomer (a 11) overall wire block diagram;
Figure 12 is the overall wire block diagram of female electric connection metal baffle ring (23).
Among the figure: 1. drilling rod body, 2. special-purpose fillet of tool joint pins, 3. special-purpose tool joint box, 3a. special-purpose tool joint box step, the special-purpose tool joint box escape of 3b. position, 4. bonding conductor, 5. conducting ring in public, 5a. conducting ring bottom groove, 6. conducting ring in the public affairs in the conducting ring top groove in public, 5b. public affairs, 6a. conducting ring top groove in the public affairs, 6b. conducting ring bottom groove in the public affairs, 7. public outer conducting ring, the outer conducting ring top groove of 7a. public affairs, 7b. public outer conducting ring bottom groove, 8. conducting ring in female, 9. conducting ring among the mother, the 10. outer conducting ring of mother, 11. insulating elastomer, 12. the insulating elastomer transfer wire, 13. metal baffle ring encapsulants, 14. interior pipes, 15. alignment pin, 16. female external insulation sealing ring, insulated enclosure circle among 17. mothers, 18. female interior insulated enclosure circles, 19. public external insulation sealing ring, 19a. public external insulation o-ring groove, insulated enclosure circle in 20. public affairs, insulated enclosure circle wing piece in the 20a. public affairs, 21. insulated enclosure circle in public, 22. service message joint metal baffle ring, 23. female electric connection metal baffle rings, 24. body insulation materials, 25. body transmission conductor, 26. metal shelves ring O RunddichtringO, 27. baffle rings, 28.O RunddichtringO.
The specific embodiment
Form by special jewel knock-off joint, electric connection and power and signal transmission drilling rod body three parts at Fig. 1 and Fig. 2 medium power and signal transmission drilling rod.Wherein, the special jewel knock-off joint comprises special-purpose fillet of tool joint pins 2 and special-purpose tool joint box 3 two parts, the service message joint is installed at special-purpose fillet of tool joint pins 2 positions, at special-purpose tool joint box 3 positions female electric connection is installed, is connected power and signal transmission drilling rod body with 3 of special-purpose tool joint boxs at special-purpose fillet of tool joint pins 2; Power and the special-purpose in the course of the work fillet of tool joint pins 2 of signal transmission drilling rod are threaded with special-purpose tool joint box 3 usefulness, the service message joint is closely contacted with female electric connection, carry out the transmission of electric current and signal, with power and signal transmission drilling rod body electric current or signal are transmitted to next electric connection simultaneously.
Special-purpose tool joint is 5 1/2 in Fig. 1 " improved non-standard joint on the FH joint basis; Nipple shoulder bevel diameter is D in the special jewel knock-off joint
F, D
FBe φ 172.8mm, the nipple internal diameter is φ 101.6mm, and the form of thread of special-purpose tool joint thread is V-0.038R, and footpath C is φ 146.71mm in the basal plane, the big footpath D of the big end of external screw thread
LBe φ 151.99mm, the big footpath D of external screw thread small end
SBe φ 130.83mm, the big end path of internal thread D
CBe φ 145.8mm, reamer hole outside diameter Q
CBe φ 154.06mm, near the special-purpose tool joint box escape position internal diameter special-purpose tool joint box (3) escape is that φ 118mm (3b) and special-purpose tool joint box step place internal diameter are φ 116mm (3a).
The service message joint is made up of conducting ring 7, bonding conductor 4, metal baffle ring encapsulant 13 outside conducting ring 6, public external insulation sealing ring 19, the public affairs in insulated enclosure circle 20, the public affairs in conducting ring 5, the public affairs in insulated enclosure circle 21, the public affairs in service message joint metal baffle ring 22, the public affairs in Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6, Fig. 7 and Fig. 8.Service message joint metal baffle ring 22, public in insulated enclosure circle 21, public in the conducting ring 5, public affairs in insulated enclosure circle 20, the public affairs conducting ring 6, public external insulation sealing ring 19, public outer conducting ring 7 be nested together successively, and coaxial; Bonding conductor 4 is installed in service message joint metal baffle ring 22 grooves, and the top of bonding conductor 4 connects with corresponding conducting ring, bottom and corresponding body transmission conductor 25 connections; The bottom of conducting ring 6 and public outer conducting ring 7 all has two groove 5b, 6b and 7b in public interior conducting ring 5 public affairs, and staggers mutually, and purpose is when guaranteeing that bonding conductor 4 contacts with a conducting ring in the monophase current transmission, can not contact with other two conducting rings simultaneously; The top of conducting ring 6 and public outer conducting ring 7 all has groove 5a, 6a and the 7a of two symmetries in public interior conducting ring 5, the public affairs, public external insulation sealing ring 19 tops also have the groove 19a of two symmetries, simultaneously outstanding wing piece 20a is arranged at insulated enclosure circle 20 tops in public affairs, make insulated enclosure circle wing piece 20a in the public affairs embed public in the conducting ring 5, public affairs among respective slot 5a, 6a, 7a and the 19a of conducting ring 6, public outer conducting ring 7 and public external insulation sealing ring 19; Metal baffle ring encapsulant 13 is installed in service message joint metal baffle ring 22 groove positions.
Female electric connection is made up of conducting ring 10, insulating elastomer 11, bonding conductor 4, insulating elastomer transfer wire 12, alignment pin 15, metal baffle ring encapsulant 13, metal baffle ring O RunddichtringO 26 outside conducting ring 9, female external insulation sealing ring 16, the mother among insulated enclosure circle 17, the mother among conducting ring 8, the mother in insulated enclosure circle 18, the mother in female electric connection metal baffle ring 23, the mother in Fig. 1, Fig. 2, Fig. 9 and Figure 10.Female electric connection metal baffle ring 23, female in insulated enclosure circle 18, female in the conducting ring 8, mother among insulated enclosure circle 17, the mother conducting ring 9, female external insulation sealing ring 16, female outer conducting ring 10 be nested together successively, and it is coaxial, sealing ring and conducting ring all are positioned at female electric connection metal baffle ring 23 tops, and place on the insulating elastomer 11 that is enclosed within female electric connection metal baffle ring 23 bottoms; Insulating elastomer transfer wire 12 is installed in the insulating elastomer 11, and the top of insulating elastomer 11 connects with corresponding conducting ring, bottom and corresponding bonding conductor 4 connections; The bottom of conducting ring 9, female outer conducting ring 10 all has two grooves among female interior conducting ring 8, the mother, and staggers mutually, and purpose is when guaranteeing that bonding conductor 4 contacts with a conducting ring in the monophase current transmission, can not contact with other two conducting rings simultaneously; Alignment pin 15 is installed in the pin-and-hole of female electric connection metal baffle ring 23 and insulating elastomer 11; Metal baffle ring O RunddichtringO 26 is installed in the seal groove position of metal baffle ring 23; Metal baffle ring encapsulant 13 is installed in metal baffle ring 23 groove positions.
Three projections that become 120 ° of distributions are arranged at insulating elastomer 11 tops in Fig. 1 and Figure 11, and bonding conductor 4 and insulating elastomer transfer wire 12 are installed in the projection; Insulating elastomer 11 bottoms and projection correspondence position have groove, so that body transmission conductor 25 to be installed; Insulating elastomer 11 uniform 3 alignment pin through holes.
Female electric connection metal baffle ring 23 platforms bottom has an annular groove in Fig. 1 and Figure 12, and baffle ring 27 and O RunddichtringO 28 are installed in the groove; Uniform 3 dowel holes on the platform; Platform excircle position has an annular groove, and metal shelves ring O RunddichtringO 26 is installed; The platform position has 3 grooves, and body transmission conductor 25 and metal baffle ring encapsulant 13 are installed in the groove; Service message joint metal baffle ring 22 and female electric connection metal baffle ring 23 structural similarities, but service message joint metal baffle ring 22 does not bore dowel hole and at circumferential location open loop connected in star, the groove at platform position is sealing not.
Form by interior pipe 14, body insulation materials 24, body transmission conductor 25 and drilling rod body 1 at Fig. 1, Fig. 2 and Fig. 4 power and signal transmission drilling rod body, interior pipe 14 is installed in drilling rod body 1 inside, and it is coaxial with drilling rod body 1, between interior pipe 14 and drilling rod body 1, fill body insulation materials 24, body transmission conductor 25 is wrapped in the middle of the body insulation materials 24, interior pipe 14 has sealed groove, and baffle ring 27 and O RunddichtringO 28 are installed in the groove.
Insulated enclosure circle and corresponding conducting ring are on same surface in Fig. 1, and the contact surface of service message joint and female electric connection becomes corresponding inclined plane, and the angle of inclination is 0 °-25 °.
Claims (4)
1. power and signal transmission drilling rod, form by special jewel knock-off joint, electric connection and power and signal transmission drilling rod body, it is characterized in that: the special jewel knock-off joint of this transmission drilling rod comprises special-purpose fillet of tool joint pins (2) and special-purpose tool joint box (3) two parts, the service message joint is installed at special-purpose fillet of tool joint pins (2) position, at special-purpose tool joint box (3) position female electric connection is installed, between special-purpose fillet of tool joint pins (2) and special-purpose tool joint box (3), is connected power and signal transmission drilling rod body; Special-purpose fillet of tool joint pins (2) and special-purpose tool joint box (3) make the service message joint closely contact with female electric connection with being threaded; Electric connection comprises service message joint and female electric connection, service message joint metal baffle ring (22) in the service message joint, insulated enclosure circle (21) in public, conducting ring (5) in public, insulated enclosure circle (20) in the public affairs, conducting ring in the public affairs (6), public external insulation sealing ring (19), public outer conducting ring (7) is nested together successively, and it is coaxial, bonding conductor (4) is installed in service message joint metal baffle ring (22) groove, the top of bonding conductor (4) connects with corresponding conducting ring, bottom and corresponding body transmission conductor (25) connection, metal baffle ring encapsulant (13) is installed in service message joint metal baffle ring (22) groove position, female electric connection metal baffle ring (23) in female electric connection, insulated enclosure circle (18) in female, conducting ring (8) in female, insulated enclosure circle (17) among the mother, conducting ring among the mother (9), female external insulation sealing ring (16), female outer conducting ring (10) is nested together successively, and it is coaxial, sealing ring and conducting ring all are positioned at female electric connection metal baffle ring (23) top, and place on the insulating elastomer (11) that is enclosed within female electric connection metal baffle ring (23) bottom, insulating elastomer transfer wire (12) is installed in the insulating elastomer (11), the top of insulating elastomer transfer wire (12) connects with corresponding conducting ring, bottom and corresponding bonding conductor (4) connection, alignment pin (15) is installed in the pin-and-hole of female electric connection metal baffle ring (23) and insulating elastomer (11), metal baffle ring O RunddichtringO (26) is installed in the seal groove position of female electric connection metal baffle ring (23), and metal baffle ring encapsulant (13) is installed in female electric connection metal baffle ring (23) groove position; Power and signal transmission drilling rod body comprise interior pipe (14), body insulation materials (24), body transmission conductor (25) and drilling rod body (1), interior pipe (14) is installed in drilling rod body (1) inside, and it is coaxial with drilling rod body (1), between interior pipe (14) and drilling rod body (1), fill body insulation materials (24), body transmission conductor (25) is wrapped in the middle of the body insulation materials (24), interior pipe (14) has sealed groove, and baffle ring (27) and O RunddichtringO (28) are installed in the groove.
2. transmission drilling rod according to claim 1 is characterized in that: the special jewel knock-off joint is 51/2 " improved non-standard joint on the FH joint basis; Nipple shoulder bevel diameter is D in the special jewel knock-off joint
F, D
FBe φ 172.8mm, the nipple internal diameter is φ 101.6mm, and the form of thread of special-purpose tool joint thread is V-0.038R, and footpath C is φ 146.71mm in the basal plane, the big footpath D of the big end of external screw thread
LBe φ 151.99mm, the big footpath D of external screw thread small end
SBe φ 130.83mm, the big end path of internal thread D
CBe φ 145.8mm, reamer hole outside diameter Q
CBe φ 154.06mm, near special-purpose tool joint box escape position (3b) internal diameter special-purpose tool joint box (3) escape is that to locate internal diameter be φ 116mm for φ 118mm and special-purpose tool joint box step (3a).
3. transmission drilling rod according to claim 1 is characterized in that: three projections that become 120 ° of distributions are arranged at insulating elastomer (11) top, and bonding conductor (4) and insulating elastomer transfer wire (12) are installed in the projection; Insulating elastomer (11) bottom has groove with the projection correspondence position, so that body transmission conductor (25) to be installed; Uniform 3 the alignment pin through holes of insulating elastomer (11).
4. transmission drilling rod according to claim 1 is characterized in that: female electric connection metal baffle ring (23) platform bottom has an annular groove, and baffle ring (27) and O RunddichtringO (28) are installed in the groove; Uniform 3 dowel holes on the platform; Platform excircle position has an annular groove, and metal baffle ring O RunddichtringO (26) is installed; The platform position has 3 grooves, and body transmission conductor (25) and metal baffle ring encapsulant (13) are installed in the groove; Service message joint metal baffle ring (22) and female electric connection metal baffle ring (23) structural similarity, but service message joint metal baffle ring (22) does not bore dowel hole and at circumferential location open loop connected in star, the groove at platform position is sealing not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205669809U CN201963208U (en) | 2010-10-19 | 2010-10-19 | Driving force and signal transmission drill stem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205669809U CN201963208U (en) | 2010-10-19 | 2010-10-19 | Driving force and signal transmission drill stem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201963208U true CN201963208U (en) | 2011-09-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205669809U Expired - Fee Related CN201963208U (en) | 2010-10-19 | 2010-10-19 | Driving force and signal transmission drill stem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201963208U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454367A (en) * | 2010-10-19 | 2012-05-16 | 中国石油化工集团公司 | Power and signal transmission drill stem |
| CN102536129A (en) * | 2011-12-30 | 2012-07-04 | 中国地质大学（武汉） | Quick connector used for intelligent flexible pipe drilling device |
| CN103061682A (en) * | 2012-12-31 | 2013-04-24 | 电子科技大学 | Single section drill rod for achieving TEM (transverse electromagnetic) wave transmission |
| CN103343668A (en) * | 2013-07-22 | 2013-10-09 | 中国石油大学(华东) | Wired cable transmission drilling rod connector |
| CN103485767A (en) * | 2012-06-14 | 2014-01-01 | 中国石油天然气集团公司 | Cabled transmission device for connecting threaded joint |
| CN103758507A (en) * | 2014-02-19 | 2014-04-30 | 中煤科工集团重庆研究院有限公司 | Signal transmission structure and method of drill pipe |
| CN104563883A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工集团公司 | Microwave-assisted rock breaking drill bit, electricity conductive drill rod and microwave-assisted rock breaking device |
| CN105525880A (en) * | 2014-09-28 | 2016-04-27 | 中国石油化工集团公司 | Inserting-connecting torque transmission and electricity transmission split-connecting power drill rod |
| CN108487867A (en) * | 2018-05-07 | 2018-09-04 | 上海工程机械厂有限公司 | Core pipe and its splice combinations built in a kind of drilling rod |
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2010
- 2010-10-19 CN CN2010205669809U patent/CN201963208U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454367A (en) * | 2010-10-19 | 2012-05-16 | 中国石油化工集团公司 | Power and signal transmission drill stem |
| CN102536129A (en) * | 2011-12-30 | 2012-07-04 | 中国地质大学（武汉） | Quick connector used for intelligent flexible pipe drilling device |
| CN103485767A (en) * | 2012-06-14 | 2014-01-01 | 中国石油天然气集团公司 | Cabled transmission device for connecting threaded joint |
| CN103061682A (en) * | 2012-12-31 | 2013-04-24 | 电子科技大学 | Single section drill rod for achieving TEM (transverse electromagnetic) wave transmission |
| CN103061682B (en) * | 2012-12-31 | 2015-08-19 | 电子科技大学 | Realize the single hop drilling rod of TEM ripple transmission |
| CN103343668A (en) * | 2013-07-22 | 2013-10-09 | 中国石油大学(华东) | Wired cable transmission drilling rod connector |
| CN104563883A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工集团公司 | Microwave-assisted rock breaking drill bit, electricity conductive drill rod and microwave-assisted rock breaking device |
| CN103758507A (en) * | 2014-02-19 | 2014-04-30 | 中煤科工集团重庆研究院有限公司 | Signal transmission structure and method of drill pipe |
| CN103758507B (en) * | 2014-02-19 | 2017-02-15 | 中煤科工集团重庆研究院有限公司 | Signal transmission structure and method of drill pipe |
| CN105525880A (en) * | 2014-09-28 | 2016-04-27 | 中国石油化工集团公司 | Inserting-connecting torque transmission and electricity transmission split-connecting power drill rod |
| CN108487867A (en) * | 2018-05-07 | 2018-09-04 | 上海工程机械厂有限公司 | Core pipe and its splice combinations built in a kind of drilling rod |
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