CN109798105A - Measurement while-drilling instrument and measurement-while-drilling system - Google Patents
Measurement while-drilling instrument and measurement-while-drilling system Download PDFInfo
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- CN109798105A CN109798105A CN201711123192.5A CN201711123192A CN109798105A CN 109798105 A CN109798105 A CN 109798105A CN 201711123192 A CN201711123192 A CN 201711123192A CN 109798105 A CN109798105 A CN 109798105A
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- measurement
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- crossover sub
- pipe nipple
- drilling instrument
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Abstract
The present invention relates to a kind of measurement while-drilling instruments, comprising: cylindrical measurement pipe nipple is equipped with the drilling fluid flow channels axially extended in the measurement pipe nipple；The crossover sub being arranged in the measurement pipe nipple；And it is connected to the measurement module on one end of the measurement pipe nipple；Wherein, connector is equipped between the crossover sub and the measurement module, the crossover sub is connect by the connector with the measurement module.The invention further relates to a kind of measurement-while-drilling systems, comprising: drilling rod and ground installation, wherein measurement while-drilling instrument as described above is equipped on the drilling rod.
Description
Technical field
The present invention relates to oil drilling down-hole information fields of measurement, relate more specifically to a kind of measurement while-drilling instrument.This hair
It is bright to further relate to a kind of measurement-while-drilling system comprising this measurement while-drilling instrument.
Background technique
Currently, measurement-while-drilling system generallys use drilling fluid pulse measurement while drilling to upload underground survey data both at home and abroad,
Important function has been played in drilling engineering.However, inflate or have work in the drilling fluid of plugging material when, using drilling fluid
Pulse measurement while drilling and the signal for being sent to ground is very weak or even cisco unity malfunction.
For this purpose, developing electromagnetic measurement while drilling technology in the prior art.Electromagnetic measurement while drilling instrument uses drilling rod, drilling well
The closed circuit of liquid and stratum composition has not by drilling fluid medium influence as transmission channel, can be suitably used for various spudders
The features such as skill, time of measuring be short, easy to operate, few easy workout part, low application cost.Electromagnetic measurement while drilling solves drilling fluid pulse
The technical problem of measurement while drilling cisco unity malfunction in non-liquid drilling fluid is the orientation using the non-liquid fluid such as air
Well, horizontal well and raising low pressure, the key technology of hypotonic oil gas field yield.
However, electromagnetic transmission is influenced by formation resistivity, in general, electromagnetic measurement while drilling fathom for
In the range of 2000 meters to 3000 meters, then it can not work normally when formation resistivity is too high or too low.And mud-pulse transmission is then
It is not influenced by formation resistivity, can be reached by fathoming by 6000 meters or more.But brill is used when mud-pulse measurement while drilling
Well liquid can not work normally as transmission channel in the occasions such as air and foam drilling, under balance pressure drilling, plugging while drilling.
Therefore, it is based on the prior art, needs one kind and can connect mud pulse generator also to connect electromagnetic measurement while drilling
The multipurpose measurement while-drilling instrument of instrument, this is most important to the drilling efficiency for improving low permeability formation.
Summary of the invention
For at least some technical problems as described above, the present invention is intended to provide a kind of measurement while-drilling instrument, can divide
Not Gua Jie electromagnetic transmission module and mud pulse signal transmission module, have preferable applicability, expanded the use of instrument
Range.Meanwhile this measurement while-drilling instrument has very high integrated level, shortens the length of instrument, can be conveniently mounted to
On drilling rod, and small volume, underground space is saved significantly.
The present invention also provides a kind of measurement-while-drilling systems comprising measurement while-drilling instrument as described above.
According to the first aspect of the invention, a kind of measurement while-drilling instrument is provided, comprising: the measurement with cylindrical structure
Pipe nipple, both ends are respectively configured to have positive and negative taper connection button, and are axially arranged with drilling well on the center edge of the measurement pipe nipple
Liquid flow channels；It is arranged in the crossover sub of the inside close to negative taper connection button of the measurement pipe nipple, the crossover sub
Convex shoulder is equipped with equipped with cylindrical body portion, and in one end of the body part；And it is connected to the negative of the measurement pipe nipple
The measurement module that taper connection is buckled；Wherein, between the crossover sub and the measurement module be equipped with connector, described turn
The convex shoulder part of changing-over head patches needle and the measurement module abutting joint by described.
In a preferred embodiment, the crossover sub includes the first cylindrical portion and minor diameter of major diameter
Second cylindrical portion.
In a preferred embodiment, second cylindrical portion is equipped with diametrically opposite through-hole, and described
Be equipped with central duct in crossover sub, the central duct through second cylindrical portion terminate at the through-hole and with
The through-hole connection.
In a preferred embodiment, several be used for circumferentially is uniformly provided in the peripheral surface of side amount pipe nipple
The groove of electronic component is installed, the bottom portion of groove is equipped with the wiring hole that can be aligned with the through-hole in the crossover sub.
In a preferred embodiment, the connector includes the female plug needle and peace that the measurement module end is arranged in
Male plug needle mounted in the second cylindrical portion end of the crossover sub.
In a preferred embodiment, the crossover sub and the measurement module pass through the female plug needle and male plug needle
Abutting joint links together, and sealing ring is equipped between the female plug needle and male plug needle.
In a preferred embodiment, one end far from crossover sub connection of the measurement module is connected with brill
Spike antenna and insulation assembly.
In a preferred embodiment, one end far from crossover sub connection of the measurement module is connected with nothing
Magnetic drill collar and insulation assembly.
In a preferred embodiment, it is equipped in the one end of the measurement pipe nipple being connected with the measurement module straight
Diameter is greater than the circular cylindrical cavity of the drilling fluid flow channels, so that shoulder is formed in the bottom of the circular cylindrical cavity, it is described
Crossover sub is mounted on the shoulder.
According to the second aspect of the invention, a kind of measurement-while-drilling system is provided, comprising: drilling rod；And ground installation,
In, measurement while-drilling instrument as described above is installed on the drilling rod.
Detailed description of the invention
The present invention will be described below with reference to accompanying drawings.
Fig. 1 shows the structure sectional view of the measurement while-drilling instrument of connection electromagnetic measurement while drilling instrument according to the present invention.
Fig. 2 shows the structure of the crossover sub in measurement while-drilling instrument shown in Fig. 1.
Fig. 3 shows the structure sectional view of the measurement while-drilling instrument of connection mud pulse generator according to the present invention.
Fig. 4 shows measurement-while-drilling system according to the present invention.
In this application, all attached drawings are schematical attached drawing, are merely to illustrate the principle of the present invention, and not by real
Border ratio is drawn.
Specific embodiment
The present invention is introduced below by way of attached drawing.
Fig. 1 shows the structure sectional view of the measurement while-drilling instrument 100 of connection electromagnetic measurement while drilling instrument according to the present invention.
As shown in Figure 1, measurement while-drilling instrument 100 includes measurement pipe nipple 6, measurement pipe nipple 6 includes substantially cylindrically shaped body part
6-1, the both ends of body part 6-1 are respectively arranged with positive cone connection buckle 61 and negative taper connection button 62.Body part 6-1's
Center edge is axially arranged with drilling fluid flow channels 60.This structure for measuring pipe nipple 6 can not only safely and effectively overcurrent drilling well
Liquid, and body part 6-1 can be quickly and easily connected on drilling rod (not shown) by taper connection button.This company
The mode of connecing be it is known in the art, this will not be detailed here.
According to the present invention, measurement while-drilling instrument 100 further includes crossover sub 5.As shown in Figure 1, the setting of crossover sub 5 is being leaned on
One end equipped with negative taper connection button 62 of nearly measurement pipe nipple 6.For this purpose, being equipped with negative taper connection button 62 in measurement pipe nipple 6
One end is equipped with the circular cylindrical cavity that diameter is greater than drilling fluid flow channels 60, to form shoulder in the bottom of circular cylindrical cavity
64, crossover sub 5 is then mounted on shoulder 64.In this way, crossover sub 5 passes through the body part 6-1 and shoulder with measurement pipe nipple 6
64 cooperation and fix.
Fig. 2 shows the structure of crossover sub 5.As shown in Fig. 2, crossover sub 5 includes the first cylindrical body portion of major diameter
Divide the second cylindrical portion 5-7 of 5-6 and minor diameter.First cylindrical portion 5-6 is mounted on shoulder 64, the second cylindrical body portion
Divide 5-7 towards the axially external of measurement pipe nipple 6.It is equipped with central passage 5-2 in the inside of crossover sub 5, central passage 5-2 is passed through
It wears the second cylindrical portion 5-7 and terminates at the medium position of the first cylindrical portion 5-6.Meanwhile it being equipped with inside crossover sub
Circulation of drilling fluid channel (not shown), flows therethrough for drilling fluid.
In addition, being equipped with several lateral orifices radially in the first cylindrical portion 5-6 of crossover sub 5.Side
Hole is uniformly distributed along axial direction, for example, setting the lateral orifices 5-3 and 5-4 there are two radial symmetric in the illustrated embodiment.And side
Medium position of the hole in the first cylindrical portion 5-6 is connected with central duct 5-2.
In the present embodiment, in order to which the central duct 5-2 and the drilling fluid of measurement pipe nipple 6 that guarantee crossover sub 5 cross circulation
Opposing seal between road 60.The joint of crossover sub 5 and the body part 6-1 of measurement pipe nipple 6 is provided with sealing ring.
For example, being equipped with sealing between the inner wall of the body part 6-1 of the first cylindrical portion 5-6 and measurement pipe nipple 6 of crossover sub 5
Enclose 5-5.Sealing ring 5-5 has specifically ensured that the leakproofness of the central duct 5-2 of crossover sub 5, it is therefore prevented that drilling fluid, which enters, to be turned
The inside of changing-over head 5 and the service performance for influencing the element in crossover sub 5.
According to the present invention, measurement while-drilling instrument 100 further includes the one end (upper end in Fig. 1) for being connected to measurement pipe nipple 6
Measurement module 3.Measurement module 3 includes casing part 3-1, and casing part 3-1 is configured to the body part 6-1 with measurement pipe nipple 6
Similar cylindrical structure, both ends are respectively arranged with positive cone compatible with the measurement taper connection button of pipe nipple 6 and connect
Buckle and negative taper connection button.As shown in Figure 1, the negative taper connection button of the positive cone connector of measurement module 3 and measurement pipe nipple 6
62 connections.This taper connection buckle structure can rapidly link together measurement module 3 and measurement pipe nipple 6, so that installation
It is simple and convenient, substantially increase installation effectiveness.
In the present embodiment, measurement module 3 further includes the insulation assembly 3-2 being mounted on inside casing part 3-1, insulation group
Part 3-2 is in cylindrical, and one end (lower end in Fig. 1) is connected with the second cylindrical portion 5-7 of crossover sub 5.According to this
Invention, is equipped with connector between crossover sub 5 and insulation assembly 3-2, and crossover sub 5 is connected by connector and measurement module 3
It connects.
As shown in Figure 1, connector includes female plug needle 4-1 and male plug needle 4-2.Female plug needle 4-1 is arranged in insulation assembly 3-2's
The one end being connected with the second cylindrical portion 5-7 of crossover sub 5, male plug needle 4-2 are mounted on the second cylindrical body of crossover sub 5
The end of part 5-6.In this way, crossover sub 5 and measurement module 3 pass through female plug needle 4-1 and male plug needle 4-2 steadily abutting joint
Together.Female plug needle 4-1 and male plug needle 4-2 is separately positioned on measurement module 3 and measurement pipe nipple 6, and this structure is greatly local
Measurement module 3 and measurement pipe nipple 6 installation, disassembly and maintenance.
According to the present invention, several grooves are provided in the peripheral surface of measurement pipe nipple 6, these grooves are uniform in the circumferential
Arrangement.To show two diametrically opposed groove 6-2 and 6-5 in Fig. 1 convenient for discussing.In groove 6-2 and 6-5
Bottom close to one end equipped with negative taper button 62 of measurement pipe nipple 6 is respectively arranged with wiring hole 6-8 and 6-9.After installation, conversion
The lateral orifices 5-3 and 5-4 of connector 5 are aligned with wiring hole 6-8 and 6-9 respectively, so that in groove 6-2 and 6-5 and crossover sub 5
Heart duct 5-2 connection.In this way, the central duct 5-2 of crossover sub 5 is led to groove by what lateral aperture and wiring holes formation were connected to
Road may be provided with necessary conducting wire in this channel, so that the line transfer in instrument center will be suspended on to measurement pipe nipple 6
In groove 6-2 and 6-5.Certainly, for the needs of concrete condition, it is also those skilled in the art that more or fewer grooves, which are arranged,
What member was readily apparent that.For example, more grooves can be opened up, to accommodate the measurement module of various functions, as gamma, bit pressure,
The measurement modules such as torque, drilling liquid pressure, to expand the use scope of measurement while-drilling instrument 100.
The necessary electronic module of measurement while-drilling instrument 100 can be arranged in groove 6-2 and 6-5.For example, shown in Fig. 1
Embodiment in, power supply 7 is mounted in groove 6-2, which can be battery pack.Meanwhile it being mounted in groove 6-5
Circuit board 8.By channel as described above, power supply 7 and circuit board 8 are connected to each other using conducting wire, enable power supply 7 to circuit
Plate 8 is powered.Groove 6-2 and 6-5 are utilized respectively cover board 6-3 and 6-4 closing, and are fixed by screw 6-7.In order to enhance groove 6-
The leakproofness of 2 and 6-5 is respectively arranged with sealing ring 6-6 at cover board 6-3 and 6-4.
In this way, the necessary electronic module of measurement while-drilling instrument 100, such as power supply 7 and circuit board 8 are all integrated in a survey
It measures on pipe nipple 6.Therefore, the length of entire instrument is greatly shortened, and integrated level is improved.Due to measurement while-drilling instrument 100
It can be made for a compact pipe nipple, valuable underground space can be saved, so that for installing measurement while-drilling instrument 100
Drilling rod can have bigger space to install other electronic instruments.In addition, the installation of the measurement while-drilling instrument of this structure, tearing open
It unloads, safeguard and transports and is all very convenient.
According to the present invention, the negative taper connection of the casing part 3-1 of measurement module 3, which is buckled, is connected with drilling well antenna 1.Such as figure
Shown in 1, drilling well antenna 1 includes drilling well antenna upper section 2-1 and drilling well antenna lower section 2-2.Drilling well antenna upper section 2-1 and drilling well antenna
Lower section 2-2, which is all provided with, is set to the cylinder with positive and negative taper connection button similar with the structure of casing part 3-1 of measurement module 3
The bodily form.Drilling well antenna upper section 2-1 and drilling well antenna lower section 2-2 link together to be formed by positive and negative taper connection button as a result,
Drilling well antenna 1.Drilling well antenna 1 passes through the positive cone connection buckle of drilling well antenna lower section 2-2 and the measurement being connected on measurement pipe nipple 6
The negative taper connection button of module 3 is connected, so as to form measurement while-drilling instrument 100.
In the present embodiment, as shown in Figure 1, being equipped with insulation assembly 1-3, insulation assembly inside drilling well antenna lower section 2-2
One end (lower end in Fig. 1) of 1-3 and the insulation assembly 3-2 of the inside of measurement module 3 link together.In drilling well antenna upper section
The inside of 2-1 is equipped with the seat of honour key 1-2, the key 1-2 at the seat of honour for being connected to the other end (upper end in Fig. 1) of insulation assembly 1-3
One end far from insulation assembly 1-3 is equipped with fishing head 1-1.Measurement while-drilling instrument 100 passes through fishing head 1-1 and drilling well antenna upper section
The negative taper connection button of 2-1 is connected on drilling rod.This structure of measurement while-drilling instrument 100 has very strong stability, work
Safe and reliable and installation connection is simple and fast, dismantles, is easy to maintain.
Fig. 3 shows the structure sectional view of measurement while-drilling instrument 200 according to another embodiment of the present invention.The embodiment
Measurement while-drilling instrument 200 for connecting mud pulse generator.As shown in Fig. 2, connection mud pulse generator is surveyed with brill
Measuring appratus 200 is compared to the structure of the measurement while-drilling instrument 100 of connection electromagnetic measurement while drilling instrument, the difference is that, with
The one end for boring the separate measurement pipe nipple 6 of the measurement module 3 of measuring instrument 200 is connected with non magnetic drill collar 20.And in non magnetic drill collar 20
Inside is equipped with insulation assembly, the seat of honour key 1-2 and fishing head 1-1.
The installation method of brief description measurement while-drilling instrument 100 according to the present invention.Firstly, by battery pack 7 and circuit board
78 are separately mounted in the groove 6-2 and 6-5 of body part 6-1.The duct that groove 6-2 is connected with 6-5 is passed through with conducting wire, is made
Obtaining battery pack 7 can be powered by conducting wire to the equal electronic modules of circuit board 8.Later, sealing ring is respectively mounted in groove 6-2 and 6-5
6-6, and cover board 6-3 and 6-4 are covered into groove 6-2 and 6-5, and fixed with screw 6-7.Then, male plug needle 4-2 is installed to and is turned
The end of second cylindrical portion 5-7 of changing-over head 5.Then, crossover sub 5 is installed to the inner circular bead 64 of measurement pipe nipple 6
On, at this time, it is ensured that the lateral orifices 5-3 and 5-4 of crossover sub 5 the wiring hole 6-8 and 6-9 with the bottom groove 6-2 and 6-5 respectively
Alignment, and sealing ring is installed between the inner wall of measurement pipe nipple 6 in the outer wall of the first cylindrical portion 5-6 of crossover sub 5
5-5.By the conducting wire being arranged in the channel between groove 7-2 of crossover sub 5, by circuit board 8 and 3 phase of measurement module
Even.Later, assembling drilling well antenna upper section 2-1 and drilling well antenna lower section 2-2, and the screw thread between each taper connection button (does not show
Insulation processing is carried out at out) is then sequentially connected fishing head 1-1, seat of honour key 1-2, insulation assembly 3, measurement module 3, connector
Female plug needle 4-1.Finally, connecting by female plug needle 4-1 and male plug needle 4-2 abutting joint, then by measurement module 3 and the component being attached thereto
It is connected on the body part 6-1 of measurement pipe nipple 6, has obtained measurement while-drilling instrument 100 according to the present invention as a result,.
According to another aspect of the present invention, a kind of measurement-while-drilling system is additionally provided.As shown in figure 4, the measurement while drilling system
System include be arranged with the drilling rod 150 of casing 170, the measurement while-drilling instrument according to the present invention 100 being mounted on drilling rod 150, with
And the ground installation 400 of processing signal.Arrow 180 in Fig. 2 shows the path of signal transmission.That is, by being surveyed with brill
Data signal transmission measured by measuring appratus 100 is handled to ground installation 400.
Measurement while-drilling instrument 100 according to the present invention, battery pack 7, circuit board 8 are integrated on measurement pipe nipple 6, improve
Instrument over all Integration degree, shortens tool length.Meanwhile the compatible electromagnetic measurement while drilling instrument of measurement while-drilling instrument 100 or
Mud pulse generator throws the scope of application for having widened instrument.And the crossover sub 5 by being equipped with duct realizes a whole set of instrument
The machinery and electrical communication of device pass through in conducting wire and measurement pipe nipple 6 power supply or circuit communication from measurement module 3.Measurement letter
Number ground is uploaded to by drilling well antenna 1 or mud pulse generator.These make steering tool according to the present invention
Device 100 is provided with higher integrated level and the relatively broad scope of application.
Finally it should be noted that the foregoing is merely the preferred embodiments of the invention, do not constitute to the present invention
Any restrictions.Although referring to foregoing embodiments, invention is explained in detail, for the technology of this field
It for personnel, can still modify to technical solution documented by previous embodiment, or to part of technical characteristic
It is equivalently replaced.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should all wrap
Containing within protection scope of the present invention.
Claims (10)
1. a kind of measurement while-drilling instrument, comprising:
Cylindrical measurement pipe nipple is equipped with the drilling fluid flow channels axially extended in the measurement pipe nipple；
The crossover sub being arranged in the measurement pipe nipple；And
The measurement module being connected on one end of the measurement pipe nipple；
Wherein, connector is equipped between the crossover sub and the measurement module, the crossover sub is patched by described
Part is connect with the measurement module.
2. measurement while-drilling instrument according to claim 1, which is characterized in that the crossover sub includes the first of major diameter
Second cylindrical portion of cylindrical portion and minor diameter, second cylindrical portion are connect with the connector.
3. measurement while-drilling instrument according to claim 2, which is characterized in that in being equipped in second cylindrical portion
Heart channel, is equipped with diametrically opposite through-hole in first cylindrical portion, and the central passage is connected to the through-hole.
4. measurement while-drilling instrument according to claim 3, which is characterized in that in the peripheral surface edge week of the measurement pipe nipple
Several for installing the groove of electronic component to being uniformly provided with, the bottom portion of groove is equipped with and the through-hole in the crossover sub
The wiring hole of alignment.
5. measurement while-drilling instrument according to any one of claims 1 to 4, which is characterized in that the connector includes setting
Set the measurement module end female plug needle and be mounted on the crossover sub the second cylindrical portion in male plug needle.
6. measurement while-drilling instrument according to claim 5, which is characterized in that the crossover sub and the measurement module are logical
It crosses the female plug needle and male plug needle abutting joint links together, and be equipped with sealing ring between the female plug needle and male plug needle.
7. according to claim 1 to measurement while-drilling instrument described in any one of 6, which is characterized in that the measurement module it is remote
One end from crossover sub connection is connected with drilling rod antenna and insulation assembly.
8. according to claim 1 to measurement while-drilling instrument described in any one of 6, which is characterized in that the measurement module it is remote
One end from crossover sub connection is connected with non magnetic drill collar and insulation assembly.
9. measurement while-drilling instrument according to claim 1, which is characterized in that it is described measurement pipe nipple with the measurement module
Connected one end is equipped with the circular cylindrical cavity that diameter is greater than the drilling fluid flow channels, thus at the bottom of the circular cylindrical cavity
Portion forms shoulder, and the crossover sub is mounted on the shoulder.
10. a kind of measurement-while-drilling system, comprising:
Drilling rod；With
Ground installation,
It is characterized in that, being equipped on the drilling rod according to claim 1 to measurement while-drilling instrument described in any one of 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711123192.5A CN109798105B (en) | 2017-11-14 | 2017-11-14 | Measurement-while-drilling instrument and measurement-while-drilling system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711123192.5A CN109798105B (en) | 2017-11-14 | 2017-11-14 | Measurement-while-drilling instrument and measurement-while-drilling system |
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| CN109798105A true CN109798105A (en) | 2019-05-24 |
| CN109798105B CN109798105B (en) | 2022-02-01 |
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Cited By (1)
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| CN112525440A (en) * | 2020-11-25 | 2021-03-19 | 贝兹维仪器(苏州)有限公司 | Simulation test system and test method for slurry pulser system |
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| CN109798105B (en) | 2022-02-01 |
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