CN105604496B - A kind of measuring method and system for having cable drilling rod channel parameter - Google Patents
A kind of measuring method and system for having cable drilling rod channel parameter Download PDFInfo
- Publication number
- CN105604496B CN105604496B CN201510983400.3A CN201510983400A CN105604496B CN 105604496 B CN105604496 B CN 105604496B CN 201510983400 A CN201510983400 A CN 201510983400A CN 105604496 B CN105604496 B CN 105604496B
- Authority
- CN
- China
- Prior art keywords
- drilling rod
- drillpipe
- cable
- segment
- male
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/023—Arrangements for connecting cables or wirelines to downhole devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
Abstract
The invention provides a kind of measuring method and system for having cable drilling rod channel parameter, it is related to oil drilling survey engineering technical field, method includes：It there is cutting among cable drilling rod is male segment of drillpipe and female segment of drillpipe to have cable drilling rod by one；The drilling rod male of male segment of drillpipe is connected with the drilling rod female of female segment of drillpipe, form a connector, to cause the coil on the coil and drilling rod female in drilling rod male to be coupled, and the section of male segment of drillpipe and female segment of drillpipe is caused to be located at the both ends of connector；By the cable at the section of male segment of drillpipe and female segment of drillpipe respectively by testing cable connecting channel parameter measurement equipment, to carry out the measurement for having cable drilling rod channel parameter by measuring parameters in channels equipment.The present invention can solve the problem that the material of test fixture and test splice of the prior art and have cable drilling rod to have relatively big difference, and the problem of error caused by channel parameter is larger, and the measurement result of acquisition is more inaccurate is measured so as to caused.
Description
Technical field
The present invention relates to oil drilling survey engineering technical field, more particularly to a kind of measurement for having cable drilling rod channel parameter
Method and system.
Background technology
At present, logging while drilling technology continues to develop, and well logging method is enriched constantly, substitutes routine using there is cable drilling rod
Mud-pulse and electromagnetic transmission turn into a kind of new research tendency.Relative to conventional drill rod, there is cable drilling rod to refer in drilling rod
It is embedded or lay communication cable, such as and it is not limited to twisted-pair feeder, cable, optical fiber.Compared to mud-pulse, electromagnetic wave, sound wave etc.
Downhole communication technology, there is cable drilling rod generally to be influenceed with higher transmission rate, by environment such as stratum, mud smaller.Compared to
Conventional mud-pulse and electromagnetic transmission, there is cable drilling rod that the data transmission bauds of underground can be made to increase into geometry multiple
It is long.In the near future, there is cable drill pipe transmission by as the essential new sharp weapon in oil, natural gas exploration and development field.
As shown in figure 1, current has the drilling rod male 101 and drilling rod female 102 that cable drilling rod 10 includes its both ends, there is cable
Cable 103 is provided among drilling rod, is there is the coil 104 that is connected with cable 103 of being provided at both ends with of cable drilling rod 10.It is multiple to have cable
Coupled transfer signal can be carried out by coil 104 between drilling rod 10., it is necessary to there is cable when to there is cable drilling rod 10 to test
The drilling rod male 101 and drilling rod female 102 of drilling rod 10 install test fixture 20 additional respectively, and the test fixture 20 is with there is cable drilling rod 10
Contact side is provided with the frock coil 201 being engaged with coil 104.Set in test fixture 20 away from the one end for having cable drilling rod 10
There are test splice 202, two connecting channel parameter measurement equipments 21 of test splice 202.Connected by the test splice 202 at both ends
Measuring parameters in channels equipment 21 can measure the channel parameter of the coil 104 and cable 103 that have in cable drilling rod 10.
Implement it is of the prior art have cable drilling rod channel parameter measuring method when, inventor has found current test work
It is filled with and the material of test splice is with there is cable drilling rod to have relatively big difference, by test fixture connecting test joint, and then connects letter
The mode of road parameter measurement equipment is larger to measure error caused by channel parameter, and the measurement result of acquisition is more inaccurate.
The content of the invention
The embodiment of the present invention provides a kind of measuring method and system for having cable drilling rod channel parameter, to solve in the prior art
Test fixture and test splice material and there is cable drilling rod to have relatively big difference, so as to caused by caused measurement channel parameter
The problem of error is larger, and the measurement result of acquisition is more inaccurate.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of measuring method for having cable drilling rod channel parameter, including：
It there is cutting among cable drilling rod is male segment of drillpipe and female segment of drillpipe to have cable drilling rod by one；The male is bored
Bar part includes the drilling rod male of cable drilling rod；The female segment of drillpipe includes the drilling rod female of cable drilling rod；
The drilling rod male of the male segment of drillpipe is connected with the drilling rod female of the female segment of drillpipe, one is formed and connects
Junctor, to cause the coil on the coil and drilling rod female in the drilling rod male to be coupled, and cause the male rod portion
Divide the both ends for being located at the connector with the section of female segment of drillpipe；
Cable at the section of male segment of drillpipe and female segment of drillpipe is joined by testing cable connecting channel respectively
Number measuring apparatus, with the measurement for carrying out having cable drilling rod channel parameter by the measuring parameters in channels equipment.
Specifically, it there is among cable drilling rod cutting is male segment of drillpipe and female segment of drillpipe to have cable drilling rod by one, bag
Include：
There is cable drilling rod in the male segment of drillpipe and female rod portion for thering is cutting among cable drilling rod to be equal length by described
Point.
Specifically, the cable by the section of male segment of drillpipe and female segment of drillpipe is respectively by testing cable
Connecting channel parameter measurement equipment, including：
Adapter is respectively welded in cable at the section of the male segment of drillpipe and female segment of drillpipe；
Adapter is connected by testing cable with the measuring parameters in channels equipment.
A kind of measuring system for having cable drilling rod channel parameter, including one have cable drilling rod；It is described to there is cable drilling rod to be bored including male
Bar part and female segment of drillpipe；The male segment of drillpipe includes the drilling rod male of cable drilling rod；The female segment of drillpipe
Include the drilling rod female of cable drilling rod；The drilling rod male connects with the drilling rod female, to cause in the drilling rod male
Coil on coil and drilling rod female is coupled, and causes the section of the male segment of drillpipe and female segment of drillpipe to be located at institute
State the both ends of cable drilling rod；
Cable is internally provided with the male segment of drillpipe and female segment of drillpipe；The male segment of drillpipe and female
Cable at the section of segment of drillpipe connects a measuring parameters in channels equipment by testing cable respectively.
Specifically, the male segment of drillpipe and female segment of drillpipe equal length, and material is identical.
In addition, it is respectively arranged with adapter at the section of the male segment of drillpipe and female segment of drillpipe；Described turn
Joint is connected with the cable at the section of male segment of drillpipe and female segment of drillpipe, and is connected the measuring parameters in channels and set
It is standby.
In addition, the characteristic impedance of the cable set inside the male segment of drillpipe and female segment of drillpipe, the channel
The input internal resistance of parameter measurement equipment is identical with the impedance of the test cable.
A kind of measuring method and system for having cable drilling rod channel parameter provided in an embodiment of the present invention, by that will have cable drilling rod
It is male segment of drillpipe and female segment of drillpipe there is cutting among cable drilling rod so that coil and drilling rod female in drilling rod male
On coil be coupled, and and cause the section of male segment of drillpipe and female segment of drillpipe to be located at the both ends of connector.So as to
Cable at the section of male segment of drillpipe and female segment of drillpipe is set by testing cable connecting channel parameter measurement respectively
It is standby, to carry out the measurement for having cable drilling rod channel parameter by measuring parameters in channels equipment.So, the present invention need not be using test work
Dress, you can measurement has cable drilling rod channel parameter, and measuring result error is smaller, and measurement result is more accurate.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the measuring system of the prior art for having cable drilling rod channel parameter；
Fig. 2 is a kind of flow chart of measuring method for having a cable drilling rod channel parameter provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram one for having cable drilling rod in the embodiment of the present invention；
Fig. 4 is the schematic diagram two for having cable drilling rod in the embodiment of the present invention；
Fig. 5 is a kind of structural representation of measuring system for having a cable drilling rod channel parameter provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in Fig. 2 a kind of measuring method for having cable drilling rod channel parameter provided in an embodiment of the present invention, including：
Step 301, to have one cable drilling rod there is cutting among cable drilling rod be male segment of drillpipe and female segment of drillpipe.
Wherein, male segment of drillpipe includes the drilling rod male of cable drilling rod；Female segment of drillpipe includes the brill of cable drilling rod
Bar female.
Herein, the length of the male segment of drillpipe and female segment of drillpipe can be with equal, and material is identical.
For example, this has the male segment of drillpipe 401 and female segment of drillpipe 402 such as Fig. 3 that cable drilling rod 40 includes before cutting
Shown, wherein male segment of drillpipe 401 includes the drilling rod male 403 of cable drilling rod, and female segment of drillpipe 402 includes cable drilling rod
Drilling rod female 404.Coil 405 is respectively arranged with drilling rod male 403 and drilling rod female 404, is led between two coils 405
The cable 406 crossed inside cable drilling rod 40 connects.Cutting is carried out in cutting, it is necessary at dicing position 407, to cause male
The equal length of segment of drillpipe 401 and female segment of drillpipe 402.
Step 302, the drilling rod male of male segment of drillpipe connected with the drilling rod female of female segment of drillpipe, form one and connect
Junctor, to cause the coil on the coil and drilling rod female in drilling rod male to be coupled, and cause male segment of drillpipe and female
The section of segment of drillpipe is located at the both ends of connector.
For example, when the drilling rod male of male segment of drillpipe is connected with the drilling rod female of female segment of drillpipe, Ke Yiru
Shown in Fig. 4, wherein, the coil 405 on coil 405 and drilling rod female 402 in drilling rod male 403 is coupled, male rod portion
Points 401 and the section 408 of female segment of drillpipe 402 be located at the both ends of connector (having cable drilling rod 40 i.e. after cutting).
Step 303, by the cable at the section of male segment of drillpipe and female segment of drillpipe respectively by test cable connect
Measuring parameters in channels equipment is connect, to carry out the measurement for having cable drilling rod channel parameter by measuring parameters in channels equipment.
The cable at the section of male segment of drillpipe and female segment of drillpipe is passed through into test respectively in step 303 herein
Cable connecting channel parameter measurement equipment, can be realized in the following way：
As shown in figure 5, cable 406 at the section 408 of male segment of drillpipe 401 and female segment of drillpipe 402 can be with
Adapter 501 is respectively welded, and then adapter 501 is connected by testing cable 502 with measuring parameters in channels equipment 503.
The measurement for having cable drilling rod channel parameter is carried out above by measuring parameters in channels equipment, such as scattering ginseng can be measured
Number etc..
A kind of measuring method for having cable drilling rod channel parameter provided in an embodiment of the present invention, by that will there is cable drilling rod having cable
Cutting is male segment of drillpipe and female segment of drillpipe among drilling rod so that the line on coil and drilling rod female in drilling rod male
Circle is coupled, and and causes the section of male segment of drillpipe and female segment of drillpipe to be located at the both ends of connector.So as to by male
Cable at the section of segment of drillpipe and female segment of drillpipe is respectively by testing cable connecting channel parameter measurement equipment, with logical
Cross the measurement that measuring parameters in channels equipment carries out having cable drilling rod channel parameter.So, the present invention is without using test fixture, you can
Measurement has cable drilling rod channel parameter, and measuring result error is smaller, and measurement result is more accurate.
Corresponding to a kind of measuring method embodiment for having cable drilling rod channel parameter shown in above-mentioned Fig. 2, as shown in figure 5, this
Inventive embodiments also provide a kind of measuring system for having cable drilling rod channel parameter, including one has cable drilling rod 40；There is cable drilling rod 40 to wrap
Include male segment of drillpipe 401 and female segment of drillpipe 402；Male segment of drillpipe 401 includes the drilling rod male 403 of cable drilling rod；
Female segment of drillpipe 402 includes the drilling rod female 404 of cable drilling rod；Drilling rod male 403 connects with drilling rod female 404, to cause
The coil 405 on coil 405 and drilling rod female 404 in drilling rod male 403 is coupled, and causes the He of male segment of drillpipe 401
The section 408 of female segment of drillpipe 402 is located at the both ends for having cable drilling rod 40.
Cable 406 is internally provided with male segment of drillpipe 401 and female segment of drillpipe 402；The He of male segment of drillpipe 401
Cable 406 at the section 408 of female segment of drillpipe 402 connects a measuring parameters in channels equipment by testing cable 502 respectively
503。
Herein, what deserves to be explained is, male segment of drillpipe 401 and the length of female segment of drillpipe 402 can be with equal, and material
It is identical.
In addition, as shown in figure 5, set respectively at the section 408 of male segment of drillpipe 401 and female segment of drillpipe 402
There is adapter 501；Adapter 501 connects with the cable 406 at the section 408 of male segment of drillpipe 401 and female segment of drillpipe 402
Connect, and connecting channel parameter measurement equipment 503.
In addition, the characteristic impedance of the cable set inside male segment of drillpipe and female segment of drillpipe, measuring parameters in channels
The input internal resistance of equipment is identical with the impedance for testing cable, such as is 50 Ω.So, cable male segment of drillpipe and female are bored
The cable and test cable set inside bar part can reach impedance matching, so as to eliminate because test fixture is in measurement when institute's band
The influence come.
A kind of measuring system for having cable drilling rod channel parameter provided in an embodiment of the present invention, by that will there is cable drilling rod having cable
Cutting is male segment of drillpipe and female segment of drillpipe among drilling rod so that the line on coil and drilling rod female in drilling rod male
Circle is coupled, and and causes the section of male segment of drillpipe and female segment of drillpipe to be located at the both ends of connector.So as to by male
Cable at the section of segment of drillpipe and female segment of drillpipe is respectively by testing cable connecting channel parameter measurement equipment, with logical
Cross the measurement that measuring parameters in channels equipment carries out having cable drilling rod channel parameter.So, the present invention is without using test fixture, you can
Measurement has cable drilling rod channel parameter, and measuring result error is smaller, and measurement result is more accurate.
Apply specific embodiment in the present invention to be set forth the principle and embodiment of the present invention, above example
Explanation be only intended to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, there will be changes in specific embodiments and applications, in summary, in this specification
Appearance should not be construed as limiting the invention.
Claims (7)
- A kind of 1. measuring method for having cable drilling rod channel parameter, it is characterised in that including：It there is cutting among cable drilling rod is male segment of drillpipe and female segment of drillpipe to have cable drilling rod by one；The male rod portion Divide the drilling rod male for including cable drilling rod；The female segment of drillpipe includes the drilling rod female of cable drilling rod；The drilling rod male of the male segment of drillpipe is connected with the drilling rod female of the female segment of drillpipe, forms a connection Body, to cause the coil on the coil and drilling rod female in the drilling rod male to be coupled, and cause the male segment of drillpipe It is located at the both ends of the connector with the section of female segment of drillpipe；Cable at the section of male segment of drillpipe and female segment of drillpipe is surveyed by testing cable connecting channel parameter respectively Equipment is measured, with the measurement for carrying out having cable drilling rod channel parameter by the measuring parameters in channels equipment.
- 2. the measuring method according to claim 1 for having cable drilling rod channel parameter, it is characterised in that there is cable drilling rod to exist by one It is male segment of drillpipe and female segment of drillpipe to have among cable drilling rod cutting, including：There is cable drilling rod in the male segment of drillpipe and female segment of drillpipe for thering is cutting among cable drilling rod to be equal length by described.
- 3. the measuring method according to claim 1 for having cable drilling rod channel parameter, it is characterised in that described by male drilling rod Cable at part and the section of female segment of drillpipe respectively by testing cable connecting channel parameter measurement equipment, including：Adapter is respectively welded in cable at the section of the male segment of drillpipe and female segment of drillpipe；Adapter is connected by testing cable with the measuring parameters in channels equipment.
- 4. a kind of measuring system for having cable drilling rod channel parameter, including one has cable drilling rod；It is described to there is cable drilling rod to include male drilling rod Part and female segment of drillpipe；The male segment of drillpipe includes the drilling rod male of cable drilling rod；The female rod portion subpackage Include the drilling rod female of cable drilling rod；Characterized in that, the drilling rod male connects with the drilling rod female, to cause the drilling rod The coil on coil and drilling rod female in male is coupled, and causes cutting for the male segment of drillpipe and female segment of drillpipe Face is positioned at the both ends for having cable drilling rod；Cable is internally provided with the male segment of drillpipe and female segment of drillpipe；The male segment of drillpipe and female drilling rod Cable at partial section connects a measuring parameters in channels equipment by testing cable respectively.
- 5. the measuring system according to claim 4 for having cable drilling rod channel parameter, it is characterised in that the male rod portion Point and female segment of drillpipe equal length, and material is identical.
- 6. the measuring system according to claim 4 for having cable drilling rod channel parameter, it is characterised in that in the male drilling rod Adapter is respectively arranged with part and the section of female segment of drillpipe；The adapter and male segment of drillpipe and female drilling rod Cable connection at partial section, and connect the measuring parameters in channels equipment.
- 7. the measuring system according to claim 4 for having cable drilling rod channel parameter, it is characterised in that the male rod portion Point and female segment of drillpipe inside the characteristic impedance of cable, the input internal resistance of the measuring parameters in channels equipment and described that set The impedance for testing cable is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983400.3A CN105604496B (en) | 2015-12-24 | 2015-12-24 | A kind of measuring method and system for having cable drilling rod channel parameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983400.3A CN105604496B (en) | 2015-12-24 | 2015-12-24 | A kind of measuring method and system for having cable drilling rod channel parameter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105604496A CN105604496A (en) | 2016-05-25 |
| CN105604496B true CN105604496B (en) | 2017-12-05 |
Family
ID=55984782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510983400.3A Active CN105604496B (en) | 2015-12-24 | 2015-12-24 | A kind of measuring method and system for having cable drilling rod channel parameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105604496B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014384B (en) * | 2016-06-30 | 2023-03-24 | 中国石油天然气集团有限公司 | Well deviation azimuth measuring short joint |
| CN110792432A (en) * | 2019-08-27 | 2020-02-14 | 河南理工大学 | Temperature detection system and method for drilling bit of gas-containing coal layer |
| CN113137186A (en) * | 2020-01-19 | 2021-07-20 | 中国石油天然气集团有限公司 | Adapter of general magnetic coupling drilling tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6641434B2 (en) * | 2001-06-14 | 2003-11-04 | Schlumberger Technology Corporation | Wired pipe joint with current-loop inductive couplers |
| CN101158284A (en) * | 2007-11-05 | 2008-04-09 | 聂泳培 | Single-core cable well logging data high speed transmission system |
| CN101210489A (en) * | 2006-12-29 | 2008-07-02 | 普拉德研究及开发股份有限公司 | Method and apparatus for locating faults in wired drill pipe |
| CN201953370U (en) * | 2010-11-10 | 2011-08-31 | 中国石油集团川庆钻探工程有限公司 | Hand-held detector for upright column cable terminal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6655460B2 (en) * | 2001-10-12 | 2003-12-02 | Weatherford/Lamb, Inc. | Methods and apparatus to control downhole tools |
| US8344905B2 (en) * | 2005-03-31 | 2013-01-01 | Intelliserv, Llc | Method and conduit for transmitting signals |
| BRPI0918681B1 (en) * | 2009-01-02 | 2019-06-25 | Martin Scientific Llc | SYSTEM OF TRANSMISSION OF SIGNAL OR ENERGY IN WELL HOLES |
| JP2014171025A (en) * | 2013-03-01 | 2014-09-18 | Mitsubishi Electric Corp | Cable diagnostic apparatus and method |
-
2015
- 2015-12-24 CN CN201510983400.3A patent/CN105604496B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6641434B2 (en) * | 2001-06-14 | 2003-11-04 | Schlumberger Technology Corporation | Wired pipe joint with current-loop inductive couplers |
| CN101210489A (en) * | 2006-12-29 | 2008-07-02 | 普拉德研究及开发股份有限公司 | Method and apparatus for locating faults in wired drill pipe |
| CN101158284A (en) * | 2007-11-05 | 2008-04-09 | 聂泳培 | Single-core cable well logging data high speed transmission system |
| CN201953370U (en) * | 2010-11-10 | 2011-08-31 | 中国石油集团川庆钻探工程有限公司 | Hand-held detector for upright column cable terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105604496A (en) | 2016-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9771791B2 (en) | Apparatus and method for drill pipe transmission line connections | |
| US6950034B2 (en) | Method and apparatus for performing diagnostics on a downhole communication system | |
| CN102768370B (en) | Based on hydraulically created fracture monitoring device and the monitoring method of dynamic electric coupling | |
| CN105604496B (en) | A kind of measuring method and system for having cable drilling rod channel parameter | |
| CN100513742C (en) | Electromagnetic telemetering method and system of measuring by bit | |
| CA2898498C (en) | Coiled tubing system with multiple integral pressure transducers and dts | |
| CN111173504B (en) | Adjacent well distance electromagnetic while drilling large-range detection system without interference on adjacent well operation | |
| CN105464646B (en) | A kind of communication device and method of underground geologic parameter | |
| US9816327B2 (en) | Information transmission apparatus for logging while drilling | |
| CN110578468B (en) | Engineering geology exploration method adopting horizontal directional drilling | |
| CN106032748A (en) | Detection method for hydrofracture crack extension rule based on borehole transient electromagnetic technology | |
| US9850718B2 (en) | Retention device for drill pipe transmission line | |
| US20150041215A1 (en) | Apparatus and method for drill pipe transmission line connections | |
| CN109996929A (en) | For carrying out untethered bidirectional data transfers in the well for extracting formation fluid and stablizing the pipe that fluid continuously recycles and the tubing string including at least one of pipe pipe | |
| CN109488288A (en) | Intelligent drilling rod electromagnetic parameter design method for Measurement While Drilling Data transmission | |
| CN205876309U (en) | Soundwave -while -drilling well logging device | |
| CN212803208U (en) | Device for determining complete hole entering of hollow inclusion in ground stress test | |
| CN201705341U (en) | Signal transmission device | |
| CN203626809U (en) | Switchover connector of logging instruments | |
| CN218158364U (en) | Optical fiber detection device | |
| CN204591256U (en) | A kind of logging instrument and well logging end nose thereof | |
| CN203702135U (en) | Drilled hole depth measurer | |
| CN112253238B (en) | Device and method for quickly installing cable in drill rod based on horizontal directional drilling investigation | |
| CN204175290U (en) | Well temperature means of pressure measurement | |
| CN218272848U (en) | Optical cable sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: Drilling Engineering Technology Research Institute, China National Petroleum Corp. Patentee after: China National Petroleum Corporation Co-patentee after: Beijing Petroleum Machinery Co., Ltd. Address before: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: Drilling Engineering Technology Research Institute, China National Petroleum Corp. Patentee before: China National Petroleum Corporation Co-patentee before: Beijing Petroleum Machinery plant |