CN209385122U - A kind of measurement while drilling pipe nipple - Google Patents
A kind of measurement while drilling pipe nipple Download PDFInfo
- Publication number
- CN209385122U CN209385122U CN201822030279.4U CN201822030279U CN209385122U CN 209385122 U CN209385122 U CN 209385122U CN 201822030279 U CN201822030279 U CN 201822030279U CN 209385122 U CN209385122 U CN 209385122U
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Abstract
The utility model relates to geological prospecting drilling equipment technical fields, in particular to a kind of measurement while drilling pipe nipple, including integrated shell, circuit butt tube, exploring tube component, resistivity measurement component, power supply module, first control circuit element and second control circuit element；Integrated shell has hollow cavity, circumferentially there are several flat recesses on the lateral wall at integrated shell both ends, resistivity measurement component is arranged in the flat recess, circumferentially there are several grooves on lateral wall in the middle part of integrated shell, exploring tube component, power supply module and first control circuit element are respectively set in the groove；Circuit butt tube is detachably connected in the hollow cavity of integrated shell, and N number of line plate groove has circumferentially been evenly arranged on the outer wall of circuit butt tube, and second control circuit element includes N block circuit board, and circuit board and the line plate groove cooperate.The parameter on stratum where the utility model almost measures drill bit in real time, size is smaller, compact-sized, is easy to dismount and production cost is low.
Description
Technical field
The utility model relates to geological prospecting drilling equipment technical field, in particular to a kind of measurement while drilling pipe nipple.
Background technique
Mostly use drilling measuring technology during Exploration Domain especially oil-gas exploration in address, i.e., after drill bit installation with
Measuring device is bored, to measure the geologic parameter of drill bit surrounding formations in real time, to identify complexity oil, the gas with commercial mining value
Layer, stops at drill bit in time in required reservoir；Position, wellbore trace, hole deviation, hole diameter and the vibration parameters of drill bit are monitored simultaneously
Deng to realize positioning in real time and correction in time.
For pipe nipple apparatus in traditional drilling measuring equipment at nine meters or more usually with a distance from drill bit, measurement blind area is too long,
Judge that formation lithology lags, cannot judge High-quality Reservoir position in time and adjust well track, and cannot in horizontal segment drilling well
Discovery muddy intercalation in time, leads to hole anomaly etc..In the prior art, by being opened in the inner and outer wall of measurement while drilling pipe nipple
If conduit, the device for being used to measure above-mentioned parameter is embedded the outer wall and inner wall in pipe nipple, improves space utilization rate, shorten with
The length for boring measurement pipe nipple, improves the real-time and accuracy of data measured.But the production cost of the measurement while drilling pipe nipple is high,
The channel structure processing of especially inner wall is very difficult.In addition, equipment installation and removal are complicated, field operation is difficult, maintenance
Maintenance time is at high cost.
Utility model content
In view of the above problems in the prior art, the purpose of the utility model is to provide a kind of measurement while drilling pipe nipples, specifically
Technical solution is as follows:
A kind of measurement while drilling pipe nipple, is connected on drill bit, which is characterized in that including integrating shell, circuit butt tube, inserting tube
Component, resistivity measurement component, power supply module, first control circuit element and second control circuit element；The integrated shell
With hollow cavity, circumferentially there are several flat recesses, the resistivity measurement on the lateral wall at the integrated shell both ends
Component is arranged in the flat recess, circumferentially there is several grooves, the spy on the lateral wall in the middle part of the integrated shell
Tube assembly, power supply module and first control circuit element are respectively set in the groove；The circuit butt tube detachably connects
It connects in the hollow cavity of the integrated shell, it is recessed that N number of line plate has circumferentially been evenly arranged on the outer wall of the circuit butt tube
Slot, the second control circuit element include N block circuit board, and the circuit board and the line plate groove cooperate.
Further, the both ends of the circuit butt tube are equipped with sealing element, and the sealing element is radially pushed against described
On the hollow cavity wall of integrated shell, the inner wall of the sealing element, line plate groove and integrated shell forms sealing space, the electricity
One end of the separate drill bit of the integrated shell is arranged in road butt tube.
Further, on the side wall of the integrated shell, position corresponding with each circuit board offers radial direction
Through-hole offers several pipelines in the side wall of the integrated shell, and the radial through-hole is connected with the groove by the pipeline
It is logical.
Further, be additionally provided with closing disk and groove cover board on the lateral wall of the integrated shell, the closing disk with
The radial through-hole sealing cooperation, the groove cover board and groove sealing cooperate.
Further, the inner wall of the groove is equipped with string holes, and the string holes in the adjacent groove passes through described integrated outer
The spool connection circumferentially opened up in shell side wall.
In a specific embodiment, the side wall both ends of the circuit butt tube are equipped with external screw thread, the integrated shell
Hollow cavity wall be equipped with the internal screw thread that cooperate with the external screw thread, the circuit butt tube passes through institute with the integrated shell
It states external screw thread and internal screw thread is detachably connected.
In another embodiment, the both ends of the circuit butt tube side wall are equipped with resilient clamp member, the collection
It is equipped with the clamping groove cooperated with the resilient clamp member at the hollow cavity wall of shell, the circuit butt tube is integrated with described
Shell is detachably connected by the resilient clamp member and clamping groove.
Specifically, the exploring tube component is used for gamma, orientation and the vibration parameters on measurement while drilling stratum, including inserting tube shell
Body, and it is mounted on the intracorporal gamma sensor of the inserting tube shell, aspect sensor and vibrating sensor, the exploring tube component is logical
The inserting tube shell cooperation is crossed in a groove.
Specifically, the power supply module include the first battery module and the second battery module, first battery module and
Second battery module is separately positioned in two grooves of the integrated shell.
Specifically, the resistivity measurement component is used for the resistivity on measurement while drilling stratum, including resistivity transmitting antenna
With resistivity receiving antenna, the resistivity transmitting antenna is used for stratum electromagnetic signals, and the resistivity receives day
Line is used to receive the electromagnetic wave signal by behind stratum.
By adopting the above technical scheme, the measurement while drilling pipe nipple of the utility model can measure simultaneously resistivity, gamma parameter,
Vibration parameters and direction parameter almost judges that drill bit place stratum is oil reservoir, rock stratum, complex hydrocarbon layer or other in real time
Property；Double-battery powered is used simultaneously, it is ensured that power good is reliable, provides longer cruising ability.
In addition, the power supply module of the utility model, resistivity measurement component, the first circuit unit and exploring tube component are respectively provided with
It is easy to process on the outer wall of the integrated shell, reduce production cost；Circuit butt tube detachably connects with integrated shell simultaneously
It connects, the quantity of circuit board can be increased, improve space utilization rate using stacking space is increased, compact-sized, length is very short (no
More than 1.2 meters), the influence very little in drilling process to well track；And the pipe nipple scene is convenient for disassembly and assembly, guarantor easy to maintain
It supports, time and human cost is effectively reduced.
Detailed description of the invention
It, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model
Attached drawing to be used is needed to be briefly described.It should be evident that the accompanying drawings in the following description is only some of the utility model
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
The side view of Fig. 1 the utility model；
The main view of Fig. 2 the utility model；
Fig. 3 is the cross-sectional view of section B-B in Fig. 1；
The Structure explosion diagram of Fig. 4 the utility model.
In figure: 100- integrates shell, 200- circuit butt tube, 300- exploring tube component, 110- groove, 120- flat recess,
130- groove cover board, 140- closing disk, 150- connector, 160- interface, 210- line plate groove, 220- sealing element, 410- first are controlled
Circuit element processed, 420- second control circuit element, 421- circuit board, the first battery module of 510-, the second battery module of 520-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can be in addition at this
In illustrate or description those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, device, product or equipment
Those of be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes,
The intrinsic other step or units of method, product or equipment.
With reference to Fig. 1-Fig. 4, a kind of measurement while drilling pipe nipple is connected on drill bit, is used for measurement while drilling formation parameter, including collection
At shell 100, circuit butt tube 200, exploring tube component 300, resistivity measurement component, power supply module, first control circuit element
410 and second control circuit element 420；The integrated shell 100 has a hollow cavity, integrated 100 both ends of shell it is outer
Circumferentially there are several flat recesses 120 on side wall, the resistivity measurement component is arranged in the flat recess 120, described
Circumferentially there are several grooves 110 on the lateral wall at integrated 100 middle part of shell, the exploring tube component 300, power supply module and the
One control circuit element 410 is separately positioned in the groove 110；The circuit butt tube 200 is detachably connected on the collection
In hollow cavity at shell 100, N number of line plate groove has circumferentially been evenly arranged on the outer wall of the circuit butt tube 200
210, the second control circuit element 420 includes N block circuit board 421, and the circuit board 421 is matched with the line plate groove 210
It closes.
In a specific embodiment, it is strip, the line plate groove 210 that N, which is equal to 4,4 line plate grooves 210,
Length direction along the circuit butt tube 200 axial direction setting, the longitudinally asymmetric face of the adjacent line plate groove 210 is hung down mutually
Directly.It is so symmetrical arranged, it can be ensured that respectively to centripetal force having the same when it is rotated with brill, avoid the occurrence of eccentric vibrating etc..
Specifically, the both ends of the integrated shell 100 and circuit butt tube 200 are and are open to be arranged, and the circuit pair
Adapter tube 200 also has hollow structure, and the mud and dregs that when drilling well generates can be arranged by the hollow cavity and hollow structure
Out.
Specifically, several grooves 110 are arranged along the circumferential uniform intervals of the integrated shell 100.It so, it is possible to the greatest extent
Respectively to centripetal force having the same when amount guarantees the rotation of measurement while drilling pipe nipple, situations such as avoiding the occurrence of eccentric vibrating.
In a specific embodiment, the nearly brill end of the integrated shell 100 is equipped with the connector 150 for connecting drill bit,
Preferably, the outer diameter of the connector 150 is gradually reduced along the direction close to drill bit.The separate drill bit of the integrated shell 100
One end is equipped with the interface 160 for other equipment of transferring, and the close nearly direction for boring end in the internal diameter edge of the interface 160 is gradually
Reduce.Preferably, the side towards the connector 150 of the interface 160 is arranged in the circuit butt tube 200.
Preferably, on the position corresponding with the circuit butt tube 200 of 100 inner wall of integrated shell, it is equipped with ring-type
Cavity, the depth of the cavity is consistent with the maximum gauge of the circuit butt tube 200, integrate shell 100 except at connector 150,
At interface 160 and with outside the corresponding position of circuit butt tube 200, the internal diameter of the internal diameter of rest part and circuit butt tube 200
It is identical.In this way, reducing the residual after mud or dregs pass through, maintenance easy to clean.
Specifically, the depth of the line plate groove 210 is greater than the thickness of the circuit board 421.The i.e. described circuit board 421 is embedding
It is located in the line plate groove 210, it is preferable that circuit board 421 tiles in online plate groove 210.So ensure circuit butt tube 200
Circuit board 421 will not be rubbed or damaged when protruding into the hollow cavity of the integrated shell 100.
Specifically, the slot to match with the circuit board 421 is provided in the line plate groove 210.Preferably, described
The Fastener for circuit board 421 described in clamping is additionally provided on slot.
Specifically, the both ends of the circuit butt tube 200 are equipped with sealing element 220, and the sealing element 220 radially pushes against
On the hollow cavity wall of the integrated shell 100, the inner wall of the sealing element 220, line plate groove 210 and integrated shell 100
Form sealing space.
Preferably, which is made of elastic material, while playing the role of damping.
Preferably, the sealing element 220 is Sealing shield ring, the both ends of 200 side wall of circuit butt tube be equipped with it is described
The sealed groove 110 of Sealing shield ring cooperation, the thickness of the Sealing shield ring radially are greater than the depth of the sealed groove 110.
In this way, the Sealing shield ring can be pushed against on the inner wall of integrated shell 100.
Preferably, the close endface at 200 both ends of circuit butt tube is arranged in the sealed groove 110, i.e., described
The edge at 200 both ends of circuit butt tube is arranged in sealing element 220, in this way, the inner wall of Sealing shield ring, integrated shell 100
And in circuit board 421 can be sealed in by line plate groove 210, when avoiding protruding into stratum with brill, mud enters integrated shell 100
Between circuit butt tube 200, circuit board 421 is damaged.
In a specific embodiment, the power supply module includes the first battery module 510 and the second battery module 520,
In this way, using Double-battery powered, the reliability and continuous working period of lifting system power supply.First battery module, 510 He
Second battery module 520 is separately positioned in two grooves 110 of the integrated shell 100.The power supply module is respectively and institute
Exploring tube component 300, resistivity measurement component, the first circuit unit and second circuit component is stated to be electrically connected by route.
The exploring tube component 300 is used for gamma, orientation and the vibration parameters on measurement while drilling stratum, including inserting tube shell, with
And it is mounted on the intracorporal gamma sensor of the inserting tube shell, aspect sensor and vibrating sensor, the exploring tube component 300 passes through
The inserting tube shell cooperation is in a groove 110.In this way, integrated installation has the acquisition device of different function, drop
Low scene dismounts the difficulty of the pipe nipple, keeps pipe nipple interior cabling convenient, increases the reliability of equipment.
The resistivity measurement component is used for the resistivity on measurement while drilling stratum, including cooperation is in several flat recesses 120
Resistivity transmitting antenna and resistivity receiving antenna, the resistivity transmitting antenna are used for stratum electromagnetic signals, institute
Resistivity receiving antenna is stated for receiving the electromagnetic wave signal after passing through stratum.The resistivity receiving antenna is arranged in institute
One end of the close drill bit of integrated shell 100 is stated, the separate brill of the integrated shell 100 is arranged in the resistivity transmitting antenna
One end of head.
In a specific embodiment, the circumferential direction of the side wall of one end that the integrated shell 100 is bored far from drill bit is equipped with
The two circle flat recesses 120, it is corresponding to be equipped with two circle resistivity transmitting antennas.In the resistivity transmitting antenna close to drill bit
One end is provided with a circle flat recess 120, corresponding to be equipped with a circle resistivity receiving antenna.
Specifically, first circuit unit includes integrated circuit board 421, the integrated circuit board 421 and described second
The operation of the 421 co- controlling measurement while drilling pipe nipple of circuit board of circuit unit.
Specifically, first circuit unit and second circuit component include data receipt unit, data processing list jointly
Member and data storage cell, the signal receiving unit are acquired for receiving the resistivity measurement component and exploring tube component 300
Include data relevant to resistivity, gamma, orientation and vibration, the data processing unit for obtaining based on the data
Resistivity, gamma parameter, the calculated result of direction parameter and vibration parameters including stratum, the data storage cell is for depositing
Store up the data and calculated result.For example, the electromagnetic wave signal and the resistance that are emitted according to the resistivity transmitting antenna
The electromagnetic wave signal returned behind stratum received by rate receiving antenna obtains stratum near drill bit by related operation
Resistivity judges the ground structure on the stratum.
Preferably, the data storage cell includes cache unit and permanent location, and the cache unit can incite somebody to action
The calculated result of caching is sent to sender unit, is ultimately routed in the instrument and equipment on ground, the permanent location
It is used to back up for permanently storing the data and calculated result.The data storage cell is additionally provided with for exporting the number
According to the port with calculated result, which supports to download and delete from outside by the data stored in the storage unit and calculated result
It removes.
Preferably, the data storage cell is arranged on the circuit board 421 of the circuit butt tube 200.In this way, can incite somebody to action
The circuit butt tube 200 is transferred at other calculating equipment after dismantling, and carries out data downloading and processing.
On the side wall of the integrated shell 100, position corresponding with each circuit board 421 offers radial logical
Hole, several pipelines are offered in the side wall of the integrated shell 100, and the radial through-hole and the groove 110 pass through the pipe
Road connection.Preferably, same axis of the line plate groove 210 with the groove 110 along the integrated shell 100 is arranged, institute
The axial direction that pipeline is stated along the integrated shell 100 opens up, i.e., the described pipeline side wall open at one end that the radial through-hole is arranged in
On, another end opening of the pipeline is provided in the adjacent groove 110 of the radial through-hole, and route can be out of groove 110
Enter radial through-hole by pipeline, then penetrates in line plate groove 210 and connect with circuit board 421.
The inner wall of the groove 110 is equipped with string holes, and the string holes in the adjacent groove 110 passes through the integrated shell
The spool connection circumferentially opened up in 100 side walls.Route can pass through spool and connect the electronic device in groove 110, and
Route can also be entered by pipeline in line plate groove 210.
The lateral wall of the integrated shell 100 is additionally provided with closing disk 140 and groove cover board 130, the closing disk 140 with
The radial through-hole sealing cooperation, the groove cover board 130 cooperate with the groove 110 sealing.Preferably, first battery
It is equipped with battery anti-explosion mouth on groove cover board 130 corresponding to module 510 and the second battery module 520, avoiding wink pressure is more than peace
Full threshold value sets off an explosion, and improves the safety of operation.
In a specific embodiment, damping device is equipped in the groove 110.Preferably, the damping device
For double-acting shock absorber, it can absorb or convert drill bit and protrude into nuisance vibration caused by stratum, in this way, reducing vibration causes electronics
A possibility that device is loosened or is damaged.
Further, the integrated shell 100 and circuit butt tube 200 are made of non-magnetic material.So, it is ensured that it will not
Transmitting and received signal are interfered, such as the electromagnetic wave signal that resistivity measurement component emits to stratum.
On the basis of above-mentioned specific embodiment, in one embodiment of this specification, 200 side of circuit butt tube
The both ends of wall are equipped with external screw thread, and the hollow cavity wall of the integrated shell 100 is equipped with the internal screw thread cooperated with the external screw thread,
The circuit butt tube 200 is detachably connected with the integrated shell 100 by the external screw thread and internal screw thread, the circuit pair
The described one end of integrated shell 100 far from drill bit is arranged in adapter tube 200.Preferably, the outer spiral shell at 200 both ends of circuit butt tube
Line rotation direction is identical.
On the basis of above-mentioned specific embodiment, in another embodiment of this specification, the circuit butt tube 200
The both ends of side wall are equipped with resilient clamp member, and the hollow cavity wall of the integrated shell 100 is equipped with matches with the resilient clamp member
The clamping groove of conjunction, the circuit butt tube 200 and the integrated shell 100 are detachable by the resilient clamp member and clamping groove
Connection.Preferably, the resilient clamp member is several elastic flanges along circuit butt tube 200 circumferentially, and the elasticity is convex
Two sides of the edge in 200 axial direction of circuit butt tube are guiding surface, so realize that circuit butt tube 200 enters and deviates from
The inner cavity of integrated shell 100.
It should be noted that the resilient clamp member not only only has a kind of implementation of elastic flange, it is also possible to it
He has elasticity, any one shackle member that can be connected to circuit butt tube 200 on integrated 100 inner wall of shell.
The measurement while drilling pipe nipple of the utility model can measure resistivity, gamma parameter, vibration parameters and orientation ginseng simultaneously
Number almost judges that stratum where drill bit is oil reservoir, rock stratum, complex hydrocarbon layer or other ground property in real time；Simultaneously using double electricity
Pond power supply, it is ensured that power good is reliable, provides longer cruising ability.
In addition, the power supply module of the utility model, resistivity measurement component, the first circuit unit and exploring tube component 300 are equal
It is arranged on the outer wall of the integrated shell 100, it is easy to process, reduce production cost；Circuit butt tube 200 and integrated outer simultaneously
Shell 100 is detachably connected, and can increase the quantity of circuit board 421, improves space utilization rate, structure using stacking space is increased
Compact, length is very short (being no more than 1.2 meters), the influence very little in drilling process to well track；And the pipe nipple scene is torn open
Dress is convenient, easy to maintain, and time and human cost is effectively reduced.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of measurement while drilling pipe nipple, is connected on drill bit, which is characterized in that including integrating shell (100), circuit butt tube
(200), exploring tube component (300), resistivity measurement component, power supply module, first control circuit element (410) and the second control electricity
Circuit component (420)；
The integrated shell (100) has hollow cavity, circumferentially has on the lateral wall at integrated shell (100) both ends
Several flat recesses (120), the resistivity measurement component setting is in the flat recess (120), in the integrated shell (100)
Circumferentially have on the lateral wall in portion several grooves (110), the exploring tube component (300), power supply module and the first control electricity
Circuit component (410) is separately positioned in the groove (110)；
The circuit butt tube (200) is detachably connected in the hollow cavity of the integrated shell (100), the circuit docking
It manages and has circumferentially been evenly arranged N number of line plate groove (210) on the outer wall of (200), the second control circuit element (420) includes
N block circuit board (421), the circuit board (421) and the line plate groove (210) cooperate.
2. measurement while drilling pipe nipple according to claim 1, which is characterized in that the both ends of the circuit butt tube (200) are set
Have sealing element (220), the sealing element (220) is radially pushed against on the hollow cavity wall of the integrated shell (100), institute
The inner wall for stating sealing element (220), line plate groove (210) and integrated shell (100) forms sealing space, the circuit butt tube
(200) it is arranged in one end of the separate drill bit of the integrated shell (100).
3. measurement while drilling pipe nipple according to claim 2, which is characterized in that on the side wall of the integrated shell (100), with
The corresponding position of each circuit board (421) offers radial through-hole, offers in the side wall of the integrated shell (100)
Several pipelines, the radial through-hole are connected to the groove (110) by the pipeline.
4. measurement while drilling pipe nipple according to claim 3, which is characterized in that on the lateral wall of the integrated shell (100)
It is additionally provided with closing disk (140) and groove cover board (130), the closing disk (140) and radial through-hole sealing cooperate, described
Groove cover board (130) and the groove (110) sealing cooperate.
5. measurement while drilling pipe nipple according to claim 4, which is characterized in that the inner wall of the groove (110) is equipped with line
Hole, string holes in the adjacent groove (110) pass through the spool connection that circumferentially opens up in integrated shell (100) side wall.
6. any measurement while drilling pipe nipple in -5 according to claim 1, which is characterized in that the circuit butt tube
(200) side wall both ends are equipped with external screw thread, and the hollow cavity wall of the integrated shell (100) is equipped with to be cooperated with the external screw thread
Internal screw thread, the circuit butt tube (200) and the integrated shell (100) are detachably connected by the external screw thread and internal screw thread
It connects.
7. any measurement while drilling pipe nipple in -5 according to claim 1, which is characterized in that the circuit butt tube
(200) both ends of side wall are equipped with resilient clamp member, and the hollow cavity wall of the integrated shell (100) is equipped with and the elastic card
The clamping groove of fitting cooperation, the circuit butt tube (200) and the integrated shell (100) pass through the resilient clamp member and card
Access slot is detachably connected.
8. measurement while drilling pipe nipple according to claim 1, which is characterized in that the exploring tube component (300) is used to survey with brill
Gamma, orientation and the vibration parameters on stratum, including inserting tube shell are measured, and are mounted on the intracorporal gamma sensing of the inserting tube shell
Device, aspect sensor and vibrating sensor, the exploring tube component (300) are cooperated by the inserting tube shell in a groove
(110) in.
9. measurement while drilling pipe nipple according to claim 1, which is characterized in that the power supply module includes the first battery module
(510) and the second battery module (520), first battery module (510) and the second battery module (520) are separately positioned on institute
In two grooves (110) for stating integrated shell (100).
10. measurement while drilling pipe nipple according to claim 1, which is characterized in that the resistivity measurement component is used for brill
Measure the resistivity on stratum, including resistivity transmitting antenna and resistivity receiving antenna, the resistivity transmitting antenna be used for
Stratum electromagnetic signals, the resistivity receiving antenna are used to receive the electromagnetic wave signal by behind stratum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822030279.4U CN209385122U (en) | 2018-12-05 | 2018-12-05 | A kind of measurement while drilling pipe nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822030279.4U CN209385122U (en) | 2018-12-05 | 2018-12-05 | A kind of measurement while drilling pipe nipple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385122U true CN209385122U (en) | 2019-09-13 |
Family
ID=67870661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822030279.4U Expired - Fee Related CN209385122U (en) | 2018-12-05 | 2018-12-05 | A kind of measurement while drilling pipe nipple |
Country Status (1)
| Country | Link |
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| CN (1) | CN209385122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322662A (en) * | 2018-12-05 | 2019-02-12 | 贝兹维仪器(苏州)有限公司 | A kind of measurement while drilling pipe nipple |
-
2018
- 2018-12-05 CN CN201822030279.4U patent/CN209385122U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322662A (en) * | 2018-12-05 | 2019-02-12 | 贝兹维仪器(苏州)有限公司 | A kind of measurement while drilling pipe nipple |
| WO2020114003A1 (en) * | 2018-12-05 | 2020-06-11 | 贝兹维仪器(苏州)有限公司 | Short pitch for measurement while drilling |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 Termination date: 20201205 |