CN107829726A - A kind of connector for logging while drilling - Google Patents
A kind of connector for logging while drilling Download PDFInfo
- Publication number
- CN107829726A CN107829726A CN201711336706.5A CN201711336706A CN107829726A CN 107829726 A CN107829726 A CN 107829726A CN 201711336706 A CN201711336706 A CN 201711336706A CN 107829726 A CN107829726 A CN 107829726A
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- Prior art keywords
- shell
- sensor
- mandrel
- logging
- connector
- Prior art date
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- 238000005553 drilling Methods 0.000 title claims abstract description 50
- 230000001133 acceleration Effects 0.000 claims abstract description 47
- 239000002002 slurry Substances 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 27
- 238000005259 measurement Methods 0.000 abstract description 27
- 238000000034 method Methods 0.000 abstract description 6
- 239000002131 composite material Substances 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 238000012937 correction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000004233 talus Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/08—Measuring diameters or related dimensions at the borehole
- E21B47/085—Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
- E21B44/04—Automatic control of the tool feed in response to the torque of the drive ; Measuring drilling torque
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B47/14—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 using acoustic waves
- E21B47/18—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 using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- Remote Sensing (AREA)
- Geophysics And Detection Of Objects (AREA)
- Earth Drilling (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The present invention discloses a kind of connector for logging while drilling,It belongs to oil-gas exploration technical field,Including shell,Mandrel and sensor,Shell is in a tubular form,Mandrel is arranged in shell,The inner hollow of mandrel forms slurry channel,Sensor includes being arranged at the ultrasonic sensor of the measurement hole diameter on shell,Measure the outside mud pressure first pressure sensor of shell,Measure the bridge-type deformeter of the temperature sensor of outside mud temperature first and measurement the pressure of the drill power of shell with boring moment of torsion,Sensor also includes being arranged on mandrel obtaining the magnetometer of instrument rotating speed by measuring change of magnetic field strength,The acceleration transducer of hole deviation and vibration parameters is obtained by measuring acceleration,The second temperature sensor of the second pressure sensor of the inside mud pressure of air plug gauge and the inside mud temperature of air plug gauge,Realize to hole condition and mechanics parameter composite measurement,And by mutually being corrected between parameters,The actual working state of drilling process is grasped in time and carries out scientific construction.
Description
Technical field
The present invention relates to oil-gas exploration technical field, more particularly to a kind of connector for logging while drilling.
Background technology
Hole condition and mechanics parameter in drilling process mainly include real-time hole deviation, hole diameter, rotational parameters, vibration parameters, interior
For external pressure with temperature, the pressure of the drill power with boring moment of torsion etc., the tracking to these parameters, which understands, important meaning.
Real-time hole deviation provides more accurate drilling well orientation；Caliper logging can understand abrasion condition, the mud of drill bit in time
Flow velocity and influence of the chemical composition to stratum are simultaneously adjusted, and school is carried out to all kinds of measurements such as formation resistivity, density, porosity
Just, and the installation to following packer and cement operations provide data.The measurement of rotational parameters can be that some azimuthal measuremenies carry
For location information, the unstability of rotating speed is also the important sources of vibration；The measurement of vibration parameters can improve drilling well with control
Efficiency, drill tool wear is reduced, improve probing precision, and extend the service life of drilling tool and drilling equipment.The survey of external and internal pressure
Amount and control can maintain the safety and stablization of drilling well, and the suddenly change of external and internal pressure is monitored can be to drilling tool or well
Eye produced problem, which provides, timely to be warned.The pressure of the drill power is with boring the power that moment of torsion is drilling well, timely adjustment and optimization to them
Drilling efficiency can be improved, and protects drilling tool and boring tool.
At present in drilling process, underground survey of some important parameters such as the pressure of the drill power with boring moment of torsion is also not carried out,
It is absorbed in that the instrument of hole condition and mechanics parameter is also to be developed, the measurement to mechanics parameter is typically used as stratum physical parameters measurement
Auxiliary, the species of measurement parameter is few, and precision is low.Measuring instrument is unable to composite measurement hole condition and each mechanics parameter, and mechanics
There is the relation to interact between parameter, for example, the pressure of the drill power and bore between moment of torsion, between the pressure of the drill power and external and internal pressure, in real time
Between hole deviation and rotational parameters and vibration parameters and between rotational parameters and vibration parameters.If it is unable to the measurement of Comprehensive
Parameters and mutually correct, measurement data will have error.
The content of the invention
It is an object of the invention to provide a kind of connector for logging while drilling, to solve that survey can not be integrated present in prior art
Measure hole condition and each mechanics parameter, the technical problem that measurement accuracy is low, error is big.
As above conceive, the technical solution adopted in the present invention is：
A kind of connector for logging while drilling, including：
Shell, in a tubular form；
Mandrel, it is arranged in the shell, the inner hollow of the mandrel forms slurry channel；
Sensor, including the ultrasonic sensor for being used to measure hole diameter, described for measuring being arranged on the shell
The first pressure sensor of the outside mud pressure of shell, the first temperature of outside mud temperature for measuring the shell pass
Sensor and the bridge-type deformeter for measuring the pressure of the drill power with boring moment of torsion；The sensor also includes being arranged at leading on the mandrel
Cross measurement change of magnetic field strength and obtain the magnetometer of instrument rotating speed, obtain hole deviation and vibration parameters by measuring acceleration
Acceleration transducer, the second pressure sensor of inside mud pressure for measuring the mandrel and for measuring the mandrel
Inside mud temperature second temperature sensor.
Wherein, several described ultrasonic sensors are arranged in the shell and along the circumferential uniform intervals of the mandrel
Arrangement.
Wherein, the outer surface of the mandrel circumferentially offers the first storage tank, and the magnetometer holds positioned at described first
Put in groove and measure the magnetic field intensity when mandrel rotates.
Wherein, the acceleration transducer includes：
First single-axis acceleration sensors, it is arranged at intervals in first storage tank and with the magnetometer；
3-axis acceleration sensor, in first storage tank, the 3-axis acceleration sensor and described first
Radial direction face of the single-axis acceleration sensors along the mandrel is set.
Wherein, the outer surface of the mandrel circumferentially offers the second storage tank, second storage tank and described first
Axially spaced-apart distribution of the storage tank along the mandrel, the acceleration transducer also include the in second storage tank
Two single-axis acceleration sensors.
Wherein, it is located at the side of the first pressure sensor along the axial direction of the shell, first temperature sensor,
Along the axial direction of the mandrel, the second temperature sensor is located at the side of the second pressure sensor.
Wherein, the first pressure sensor is being axially located same position with the second pressure sensor.
Wherein, two bridge-type deformeters be sealed in the shell and positioned at the shell inside and outside wall and mud
Starch the position of contact.
Wherein, be axially located same position of two bridge-type deformeters along the shell, two bridge-type strains
Radial direction face of the instrument along the shell is set.
Wherein, the length of the shell is not more than 2.5m.
Beneficial effects of the present invention：
Connector for logging while drilling proposed by the present invention, including shell, mandrel and sensor, in a tubular form, mandrel is arranged at shell
In shell, the inner hollow of mandrel forms slurry channel, sensor have it is multiple, wherein, ultrasonic sensor is used to measure hole diameter,
Magnetometer obtains the rotating speed of instrument by measuring change of magnetic field strength, and acceleration transducer can measure vibration parameters, also can
Directional survey when being used for putting into effect after the centrifugal force correction by magnetometer tachometric survey；First pressure sensor and the first temperature
Sensor is used for the pressure and temperature for measuring housing exterior mud, and second pressure sensor and second temperature sensor are used to measure
The pressure and temperature of mud inside mandrel, bridge-type deformeter can obtain the pressure of the drill power with boring moment of torsion by external and internal pressure correction.Cause
This, the instrument, which realizes, carries out composite measurement to hole condition and mechanics parameter, and by the mutual correction between parameters, obtains
More accurately drilling parameter, it is easy to grasp the actual working state of drilling process in time and carries out scientific construction, reduce fault rate；
And apparatus structure is simple, it is easily installed and changes, is adapted to batch production.
Brief description of the drawings
Fig. 1 is the structural representation of connector for logging while drilling provided by the invention；
Fig. 2 is the detects schematic diagram of the acceleration transducer of connector for logging while drilling provided by the invention；
Fig. 3 is the structural representation of connector for logging while drilling provided by the invention when in use.
In figure：
100th, connector for logging while drilling；200th, drilling rod；300th, stratum；400th, derrick；500th, drill bit；600th, measurement while drilling work
Tool；
1st, shell；2nd, mandrel；3rd, ultrasonic sensor；4th, first pressure sensor；5th, the first temperature sensor；6th, bridge-type
Deformeter；7th, magnetometer；8th, acceleration transducer；9th, second pressure sensor；10th, second temperature sensor；
21st, the first storage tank；22nd, the second storage tank；
81st, the first single-axis acceleration sensors；82nd, 3-axis acceleration sensor；83rd, the second single-axis acceleration sensors.
Embodiment
For make present invention solves the technical problem that, the technical scheme that uses and the technique effect that reaches it is clearer, below
Technical scheme is further illustrated with reference to accompanying drawing and by embodiment.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention is illustrate only in description, accompanying drawing and not all.
Referring to Fig. 1 and Fig. 2, a kind of connector for logging while drilling 100, it is mainly used in mechanics parameter in hole condition and drilling process
Composite measurement.
Connector for logging while drilling 100 includes shell 1, mandrel 2 and sensor, and in a tubular form, mandrel 2 is arranged at shell 1 to shell 1
Interior, the inner hollow of mandrel 2 forms slurry channel；Sensor has multiple types, including the supersonic sensing being arranged on shell 1
Device 3, first pressure sensor 4, the first temperature sensor 5 and bridge-type deformeter 6 and the magnetometer 7 being arranged on mandrel 2, accelerate
Spend sensor 8, second pressure sensor 9 and second temperature sensor 10；Wherein, ultrasonic sensor 3 is used to measure hole diameter, magnetic
Power meter 7 obtains the rotating speed of instrument by measuring change of magnetic field strength, and acceleration transducer 8 can measure vibration parameters, also can
Directional survey when can be used for putting into effect after the centrifugal force correction by the tachometric survey of magnetometer 7；First pressure sensor 4 and
One temperature sensor 5 is used for the pressure and temperature for measuring the outside mud of shell 1, second pressure sensor 9 and second temperature sensing
Device 10 is used for the pressure and temperature of the inside mud of air plug gauge 2, and bridge-type deformeter 6 can obtain the pressure of the drill by external and internal pressure correction
Power is with boring moment of torsion.
Several ultrasonic sensors 3 are arranged in shell 1 and arranged along the circumferential uniform intervals of mandrel 2.In this implementation
In example, three ultrasonic sensors 3 are provided with, each ultrasonic sensor 3 measures itself distance with the borehole wall, three measured values
With together with instrument external diameter hole diameter value is obtained by data processing.The signal of ultrasonic sensor 3 can weaken rapidly in mud, because
During this installation, the location of ultrasonic sensor 3 and hole diameter are close, but will not cause talus deposit, stop that mud leads to
Cross and cause abrasion.
The outer surface of mandrel 2 circumferentially offers the first storage tank 21 and the second storage tank 22, the second storage tank 22 and
Axially spaced-apart distribution of one storage tank 21 along mandrel 2.Magnetometer 7 is in the first storage tank 21 and by measuring magnetic field intensity
Change and obtain the rotating speed of instrument.
Acceleration transducer 8 includes the first single-axis acceleration sensors 81, the single shaft of 3-axis acceleration sensor 82 and second
Acceleration transducer 83, the first single-axis acceleration sensors 81 are arranged at intervals in the first storage tank 21 and with magnetometer 7, and three
Axle acceleration sensor 82 is located in the first storage tank 21, the single-axis acceleration sensors 81 of 3-axis acceleration sensor 82 and first
Set along the radial direction face of mandrel 2, the second single-axis acceleration sensors 83 are located in the second storage tank 22.Acceleration transducer 8
It should try one's best and be placed in position close to the center line of mandrel 2, i.e., on the premise of the intensity of mandrel 2 is not influenceed, the first storage tank 21 and
Two storage tanks 22 should be opened as far as possible deep, so as to reduce the influence of centrifugal force, reduce correction difficulty.
3-axis acceleration sensor 82, the first single-axis acceleration sensors 81, the second single-axis acceleration sensors 83 and magnetic
Power meter 7 carries out the measurement of vibration parameters.As shown in the direction of arrow in Fig. 2, first axle and core in 3-axis acceleration sensor 82
The axially in parallel measurement axial acceleration of axle 2, the second axle is radial parallel and vertical with first axle with mandrel 2, and measured value passes through
Radial acceleration is obtained after being corrected with the rotating speed of magnetometer 7 come the centrifugal force calculated；The circumference of 3rd axle and mandrel 2 it is tangent and with
First axle, the second axle are vertical, and the first single-axis acceleration sensors 81 and the 3rd axle are oppositely positioned in the radial symmetric position of mandrel 2
Put, the 3rd axle is worth to circumferential acceleration with being added for two measured values of the first single-axis acceleration sensors 81, subtracts each other
It is worth to tangential acceleration.
Second single-axis acceleration sensors 83 can be used for after being corrected with the rotating speed of magnetometer 7 come the centrifugal force calculated
Directional survey when putting into effect.
Along the axial direction of shell 1, the first temperature sensor 5 is located at the side of first pressure sensor 4, the first temperature sensor
5 are smaller than 10cm with first pressure sensor 4；Along the axial direction of mandrel 2, second temperature sensor 10 is located at second pressure biography
The side of sensor 9, second temperature sensor 10 are smaller than 10cm with second pressure sensor 9.Temperature sensor and pressure
Sensor needs closely to place, and pressure sensor needs the measured value of temperature sensor to be corrected, and separation can far influence very much
The degree of accuracy of pressure measxurement.
First pressure sensor 4 is being axially located same position with second pressure sensor 9, and the difference of two pressure can
For assessing leakage, because can produce pressure difference in mud flowing, first pressure sensor 4 should not divide with second pressure sensor 9
Every too far, it otherwise can cause and measure inaccurately.
Two bridge-type deformeters 6 are sealed in shell 1 and are located at position of the inside and outside wall of shell with mud contacts, from
And minimize strain caused by inside and outside differential pressure.Be axially located same position of two bridge-type deformeters 6 along shell 1, two
Radial direction face of the individual bridge-type deformeter 6 along shell 1 is set, i.e., two bridge-type deformeters 6 are in 180 degree angle, so as to be easy to correct.
Two bridge-type deformeters 6 can obtain the pressure of the drill power with boring moment of torsion by external and internal pressure correction.In the present embodiment, using favour stone
Bridge-type deformeter.
In the present embodiment, by the way that various types of sensors are optimized with arrangement, the length of shell 1 is not more than
2.5m, the diameter of shell is between 120mm~210mm, so as to in the hole diameter from six inches to 12 inches.
As shown in figure 3, connector for logging while drilling 100 is when in use, it is extend into drilling rod 200 in stratum 300, drilling rod 200
One end is connected with derrick 400, other end installation drill bit 500, and connector for logging while drilling 100 is installed on the close brill in bottom of drilling rod 200
First 500 position, the either end that can be placed in the both ends of measurement while drilling instrument 600, the electric power of connector for logging while drilling 100 is by electricity
Pond is provided, and measurement data can be stored in inside measurement while-drilling instrument 100, can also by measurement while drilling instrument 600 in real time on
Reach ground installation.
To sum up, connector for logging while drilling 100 can carry out composite measurement to hole condition and mechanics parameter, phase between each measured value
Mutually correction, by the selection to measurement parameter and the research to relativeness between them, the correction made from each other is closed
System.In addition, while completing numerous parameter measurements can effective controller unit length, so as to reduce measurement point and drill bit 500
Distance.
Embodiment of above is to elaborate the general principle and characteristic of the present invention, and the present invention is not limited by above-mentioned embodiment
System, without departing from the spirit and scope of the present invention, the present invention also have various change and change, and these changes and modifications are all
Fall into scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (10)
- A kind of 1. connector for logging while drilling, it is characterised in that including：Shell (1), in a tubular form；Mandrel (2), it is arranged in the shell (1), the inner hollow of the mandrel (2) forms slurry channel；Sensor, including be arranged on the shell (1) be used for measure the ultrasonic sensor (3) of hole diameter, for measuring State the first pressure sensor (4) of the outside mud pressure of shell (1), the outside mud temperature for measuring the shell (1) The first temperature sensor (5) and for measure the pressure of the drill power with bore moment of torsion bridge-type deformeter (6)；The sensor also includes setting It is placed in obtaining the magnetometer of instrument rotating speed (7) by measuring change of magnetic field strength, accelerating by measuring on the mandrel (2) Spend and obtain the acceleration transducer (8) of hole deviation and vibration parameters, of inside mud pressure for measuring the mandrel (2) The second temperature sensor (10) of two pressure sensors (9) and the inside mud temperature for measuring the mandrel (2).
- 2. connector for logging while drilling according to claim 1, it is characterised in that several described ultrasonic sensors (3) set It is placed in the shell (1) and is arranged along the circumferential uniform intervals of the mandrel (2).
- 3. connector for logging while drilling according to claim 1, it is characterised in that circumferentially open the outer surface of the mandrel (2) Provided with the first storage tank (21), the magnetometer (7) is located in first storage tank (21) and measures the mandrel (2) rotation When magnetic field intensity.
- 4. connector for logging while drilling according to claim 3, it is characterised in that the acceleration transducer (8) includes：First single-axis acceleration sensors (81), set in first storage tank (21) and with the magnetometer (7) interval Put；3-axis acceleration sensor (82), in first storage tank (21), the 3-axis acceleration sensor (82) with Radial direction face of first single-axis acceleration sensors (81) along the mandrel (2) is set.
- 5. connector for logging while drilling according to claim 4, it is characterised in that circumferentially open the outer surface of the mandrel (2) Provided with the second storage tank (22), second storage tank (22) and axial direction of first storage tank (21) along the mandrel (2) It is spaced apart, the second individual axis acceleration that the acceleration transducer (8) is also included in second storage tank (22) passes Sensor (83).
- 6. connector for logging while drilling according to claim 1, it is characterised in that along the axial direction of the shell (1), described first Temperature sensor (5) is located at the side of the first pressure sensor (4), along the axial direction of the mandrel (2), the second temperature Sensor (10) is located at the side of the second pressure sensor (9).
- 7. connector for logging while drilling according to claim 6, it is characterised in that the first pressure sensor (4) with it is described Second pressure sensor (9) is being axially located same position.
- 8. connector for logging while drilling according to claim 1, it is characterised in that two bridge-type deformeters (6) seal Position of the inside and outside wall with mud contacts interior in the shell (1) and positioned at the shell (1).
- 9. connector for logging while drilling according to claim 8, it is characterised in that two bridge-type deformeters (6) are along described Shell (1) is axially located same position, and radial direction face of two bridge-type deformeters (6) along the shell (1) is set.
- 10. according to the connector for logging while drilling described in claim any one of 1-9, it is characterised in that the length of the shell (1) is not More than 2.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711336706.5A CN107829726B (en) | 2017-12-14 | 2017-12-14 | Logging while drilling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711336706.5A CN107829726B (en) | 2017-12-14 | 2017-12-14 | Logging while drilling instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107829726A true CN107829726A (en) | 2018-03-23 |
| CN107829726B CN107829726B (en) | 2024-05-14 |
Family
ID=61644447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711336706.5A Active CN107829726B (en) | 2017-12-14 | 2017-12-14 | Logging while drilling instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN107829726B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343427A (en) * | 2018-04-24 | 2018-07-31 | 杭州丰禾石油科技有限公司 | Logging while drilling apparatus mandrel |
| CN108361022A (en) * | 2018-04-25 | 2018-08-03 | 杭州丰禾石油科技有限公司 | Connector for logging while drilling shell and connector for logging while drilling |
| CN110530983A (en) * | 2019-09-20 | 2019-12-03 | 济源职业技术学院 | Ultrasonic wave detecting system and method for oil drilling tools sucker rod |
| CN110702621A (en) * | 2019-10-10 | 2020-01-17 | 西安石油大学 | Dissolved gas detection while drilling device and method based on laser or infrared technology |
| CN112424445A (en) * | 2018-06-11 | 2021-02-26 | 斯伦贝谢技术有限公司 | Real-time survey while drilling |
| CN112780262A (en) * | 2021-01-04 | 2021-05-11 | 中国石油天然气集团有限公司 | Well leakage position identification device and method based on while-drilling ultrasonic caliper logging |
| CN114562255A (en) * | 2022-03-01 | 2022-05-31 | 杭州丰禾石油科技有限公司 | Underground bit pressure torque measurement while drilling instrument and underground bit pressure torque measurement method |
| WO2022241435A1 (en) * | 2021-05-11 | 2022-11-17 | Saudi Arabian Oil Company | Heating a formation of the earth while drilling a wellbore |
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