CN107916928A - With brill fluid analyser - Google Patents
With brill fluid analyser Download PDFInfo
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- CN107916928A CN107916928A CN201610879144.8A CN201610879144A CN107916928A CN 107916928 A CN107916928 A CN 107916928A CN 201610879144 A CN201610879144 A CN 201610879144A CN 107916928 A CN107916928 A CN 107916928A
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- 239000012530 fluid Substances 0.000 title claims abstract description 114
- 241001074085 Scophthalmus aquosus Species 0.000 title claims abstract description 33
- 239000000523 sample Substances 0.000 claims abstract description 92
- 238000004458 analytical method Methods 0.000 claims abstract description 54
- 230000005611 electricity Effects 0.000 claims abstract description 26
- 238000005553 drilling Methods 0.000 claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 210000002445 nipple Anatomy 0.000 claims abstract description 8
- 238000005086 pumping Methods 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000007405 data analysis Methods 0.000 claims description 7
- 239000010985 leather Substances 0.000 claims description 7
- 238000003475 lamination Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 16
- 238000005259 measurement Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 8
- 230000005415 magnetization Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- -1 content Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000005206 flow analysis Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005311 nuclear magnetism Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters
- E21B49/088—Well testing, e.g. testing for reservoir productivity or formation parameters combined with sampling
-
- 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
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters
- E21B49/0875—Well testing, e.g. testing for reservoir productivity or formation parameters determining specific fluid parameters
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Remote Sensing (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The present invention discloses one kind with brill fluid analyser, wherein, it is described to include with brill fluid analyser：The pipe nipple to connect with drilling rod, the pipe nipple is interior to be equipped with the accommodating chamber that can accommodate analytic unit；The analytic unit includes the suction module of fluid and the analysis probe that can detect the fluid flow parameter, the analysis probe in pumping formation and is connected with the suction module, and the suction module is abutted against with the borehole wall；The suction module connects with control system phase electricity；The drainage tube of drilling fluid can be conveyed to drill bit by being equipped with the drilling rod, and the drainage tube is located at the side of the analysis probe.The present invention with boring, fluid analyser mechanism is simple, assembling process is simple, great convenience is brought for use, using this with bore fluid analyser can in drilling process the key message such as the component of quantitative assessment formation fluid and viscosity so that for oil gas exploration and exploitation key message is provided.
Description
Technical field
It is more particularly to a kind of to analyze the present invention relates to the well logging field of the drilling engineering technology of petroleum exploration and development
The characteristic parameter of formation fluid with bore fluid analyser.
Background technology
The physical property of reservoir fluid may be used to determine the reserves of oil reservoir, at the same can with the production capacity of aid forecasting oil reservoir and
Economy.An important factor for awareness to properties of fluid in bearing stratum is Reservoir Development.
Downhole NMR fluid analysis technology utilizes nuclear magnetic interaction and its response with externally-applied magnetic field
Signal characteristic obtains the geophysical parameters such as fluid composition and its content, fluid viscosity, gas-oil ratio, moreover it is possible to assists in wellbore
The drilling fluid filtrate intrusion scope and pollution level on neighbouring stratum, key message is provided for the exploration and exploitation of oil gas.
Therefore, it is necessary to provide a kind of characteristic parameter that can analyze formation fluid with bore fluid analyser.
The content of the invention
The present invention's is simple in structure with fluid analyser is bored, and assembling is simple, easy to the outer wall of embedded drilling rod；Using this with brill
Fluid analyser can in drilling process the key message such as the component of quantitative assessment formation fluid and viscosity so that surveying for oil gas
Visit and exploitation provides key message, while the present invention can be moved up and down with fluid analyser is bored with being drilled in well, can be measured
The characteristic parameter of fluid in the stratum of different depth, improves measurement and accuracy, of the invention also to have with brill fluid analyser
The advantages of quick measurement stratum fluid flow parameter, that is, realize the purpose measured in time.
To achieve the above object, the present invention provides a kind of with brill fluid analyser, wherein, it is described with brill fluid analyser bag
Include：The pipe nipple to connect with drilling rod, the pipe nipple is interior to be equipped with the accommodating chamber that can accommodate analytic unit；
The analytic unit includes the suction module of fluid in pumping formation and can detect dividing for the fluid flow parameter
Analysis probe, the analysis probe are connected with the suction module, and the suction module is abutted against with the borehole wall；
The suction module connects with control system phase electricity；
The drainage tube of drilling fluid can be conveyed to drill bit by being equipped with the drilling rod, and the drainage tube is located at the analysis probe
Side.
As described above with boring fluid analyser, wherein, the suction module includes suction probe, in the suction probe
Equipped with can movably metal probe, annular leather bag is equipped between the suction probe and the borehole wall, the suction probe is away from described
The side of annular leather bag is equipped with the presser unit being connected with the suction probe, the presser unit and the metal probe point
Do not connect with the control system phase electricity.
As described above with boring fluid analyser, wherein, filter screen is equipped with the suction probe, can the movably gold
Belong to probe and pass through the filter screen.
As described above with brill fluid analyser, wherein, stratum is equipped between the suction module and the presser unit
Press tester.
As described above with brill fluid analyser, wherein, the outlet end of the analysis probe is communicated with multiple sampling bottles.
As described above with brill fluid analyser, wherein, the liquid feeding end of the sampling bottle is equipped with sampling stress meter, described to adopt
Sample stress meter is mutually electrically connected with the control system.
As described above with brill fluid analyser, wherein, the outlet end of the analysis probe is communicated with out sample halter.
As described above with brill fluid analyser, wherein, the analysis probe includes hollow magnet, the feed liquor of sample cell
Port is connected with the suction module, and the sample cell passes through the magnet, and the antenna to connect with magnet is wrapped in the sample
The outer wall of pipe, one end of the antenna connect with the control system phase electricity, the other end of the antenna and the analytic unit
Data analysis receiving unit phase electricity connects.
As described above with brill fluid analyser, wherein, the analysis probe includes hollow magnet, and the magnet is by more
Section polarized magnets are spliced, and the feed liquor port of sample cell is connected with the suction module, and the sample cell passes through the magnet,
Spiral antenna is wrapped in the outer wall of the sample cell, and the antenna is made of the first helical antenna and the second helical antenna,
In the spiral shell seam that second helical antenna is spiral to be arranged on first helical antenna, one end of first helical antenna with
The control system phase electricity connects, and the other end of first helical antenna connects with the magnet electricity, second helical antenna with
The data analysis receiving unit phase electricity of the analytic unit connects.
As described above with brill fluid analyser, wherein, the magnet is toroidal magnet, and the magnet is fastened on magnet steel bone
In frame.
The present invention's is simple in structure with brill fluid analyser, and assembling process is simple, and great convenience is brought for use, uses
This with bore fluid analyser can in drilling process the key message such as the component of quantitative assessment formation fluid and viscosity so that for oil
The exploration and exploitation of gas provide key message, while the present invention can be moved up and down with fluid analyser is bored with being drilled in well, energy
The characteristic parameter of fluid in the stratum of different depth is enough measured, improves measurement and accuracy, it is of the invention with brill fluid analyser
Also there is quick measurement stratum fluid flow parameter, that is, realize the purpose measured in time.
Brief description of the drawings
Attached drawing described here is only used for task of explanation, and is not intended in any way to limit model disclosed by the invention
Enclose.In addition, shape and proportional sizes of each component in figure etc. are only schematical, the understanding of the present invention is used to help, and
It is not the specific shape and proportional sizes for limiting each component of the present invention.Those skilled in the art under the teachings of the present invention, can
To select various possible shapes and proportional sizes to implement the present invention as the case may be.
Fig. 1 is the present invention with the structure diagram for boring fluid analyser；
Fig. 2 is the structure diagram with the analytic unit for boring fluid analyser of the present invention；
Fig. 3 is the structure diagram of the first embodiment of the analysis probe of the present invention；
Fig. 4 is the structure diagram of the second embodiment of the analysis probe of the present invention；
Fig. 5 is the magnet and magnet steel skeleton connection diagram of the analysis probe of the present invention；
Fig. 6 is the structure diagram of the antenna of the present invention；
Fig. 7 is the present invention with the aggregated model flow chart for boring fluid analyser；
Fig. 8 is the present invention with the fluid analysis flow chart for boring fluid analyser；
Fig. 9 is the central area Distribution of Magnetic Field schematic diagram of the magnet of the analysis probe of the present invention.
Embodiment
With reference to the description of attached drawing and the specific embodiment of the invention, details of the invention can be clearly understood.But
It is the embodiment of invention described herein, is only used for explaining the purpose of the present invention, and cannot understands in any way
Into being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that any possible change based on the present invention
Shape, these are regarded as belonging to the scope of the present invention, and the present invention will be further described with reference to the accompanying drawings.
Fig. 1 to Fig. 9 is respectively the structural representation with the structure diagram, analytic unit for boring fluid analyser of the present invention
Figure, the structure diagram of first embodiment of analysis probe, the structure diagram for analyzing the second embodiment popped one's head in, analysis probe
Magnet and magnet steel skeleton connection diagram, antenna structure diagram, with bore fluid analyser aggregated model flow chart, with
Bore the fluid analysis flow chart of fluid analyser, the central area Distribution of Magnetic Field schematic diagram for the magnet that analysis is popped one's head in.
As depicted in figs. 1 and 2, it is of the invention to include with brill fluid analyser：The pipe nipple 2 to connect with drilling rod 1, in pipe nipple 2
Equipped with the accommodating chamber 21 that can accommodate analytic unit 3, analytic unit 3 includes the suction module 31 and energy of fluid in energy pumping formation 4
The analysis probe 32 of the fluid flow parameter is detected, analysis probe 32 is connected with suction module 31, i.e., suction module 31 aspirates
Fluid for analysis probe 32 analysis, so as to analyze the characteristic parameter of the fluid in real time, suction module 31 offsets with the borehole wall 5
Connect, and suction module 31 connects with 6 phase electricity of control system, realize by the control system 6 on ground come control and suck module 31 over the ground
Fluid in layer 4 is aspirated, that is, realizes automation control, and the drainage that drilling fluid can be conveyed to drill bit 11 is equipped with drilling rod 1
Pipe 7, drainage tube 7 is positioned at the side of analysis probe 32.
Specifically, as shown in Fig. 2, the suction module 31 in the present invention includes suction probe 311, set in suction probe 311
There are the metal probes (metal probe not shown in figure) of 311 movement of energy relative jam probe, between suction probe 311 and the borehole wall 5
Equipped with annular leather bag, annular leather bag have vacuum-pumping density sealing property close on the borehole wall 5, advantageously forming sealing, suction spy
First 311 sides away from annular leather bag are equipped with the presser unit 33 being connected with suction probe 311, presser unit 33 and the metal
Probe connects with 6 phase electricity of control system respectively, specifically, in the present invention, presser unit 33 uses high-pressure pump, can also use certainly
Other pressue devices, are not particularly limited herein, and presser unit 33 is connected by the first pipeline 34 with suction probe 311,
Further, ground lamination tester 35, the ground lamination record of tester 35 ground are equipped between suction probe 311 and presser unit 33
Stressor layer situation of change, by feeding back to control system 6, i.e., is laminated tester 35 and is connect with 6 phase electricity of control system, so as to fulfill
The metal probe is controlled to be pierced into stratum, at this time, control system 6 starts presser unit 33, and presser unit 33 operates, and passes through metal
Fluid in probe pumping formation 4 enters in the first pipeline 34, there is one and the between ground lamination tester 35 and presser unit 33
Fluid in stratum is transported in analytic unit 3 by the second pipe 36 that one pipeline 35 is connected, second pipe 36, realizes convection current
The purpose that the characteristic parameter of body is analyzed.
Further, filter screen 312 is equipped with suction probe 311, metal probe passes through filter screen 312 and can be in filter screen
Moved in 312, realize the effect filtered to the fluid in stratum 4, prevented the generation of 32 blocking of analysis probe and be conducive to
32 pairs of fluid flow parameters of further increase analysis probe (including the ginseng such as the component of fluid, content, fluid viscosity, steam oil ratio (SOR)
Number) analysis accuracy, and filter screen 312 filters the fluid of suction, prevents that the first conduit 35 and the second conduit 36 are stifled
Fill in the generation of phenomenon.
Specifically, the outlet end of analysis probe 32 is communicated with multiple sampling bottles 37, further, the feed liquor of sampling bottle 37
End is equipped with sampling stress meter 38, and sampling stress meter 38 connects with 6 phase electricity of control system, that is, realizes that sampling stress meter 38 is adopted for record
The stuffing pressure of sampling bottle 37 during sample, in order to which control system 6 controls the closure of 37 valve of sampling bottle, prevents fluid from adopting
The generation of 37 spillover of sample bottle, described herein to be, sampling bottle 37 is multiple, and a sampling is only schematically drawn in Fig. 2
Bottle 37.
Further, the outlet end of analysis probe 32 is also communicated with out sample halter 80, specifically, in the 3rd pipeline 39
Between position be connected with the outlet end of second pipe 36, the Single port of the 3rd pipeline 39 is connected with sampling bottle 37, the other end with
Go out sample halter 80 to be connected, that is, after realizing that the fluid in stratum 4 enters 32 progress Nuclear Magnetic Resonance Measurement of analysis probe, part stream
Body enters sampling bottle 38 and is stored, and the fluid analysis that the fluid sample after collection is used for ground experiment room is tested, another portion
Shunting body is returned in well by going out sample halter 80.
Specifically, in the present invention, analysis probe 32 uses two kinds of different embodiments.
As shown in figure 3, when analysis probe 32 is first embodiment, analysis probe 32 includes hollow magnet 321
With antenna 322, magnet 321 connects with 322 phase electricity of antenna, specifically, the feed liquor port of the second conduit 36 is connected with suction module 31,
And second conduit 36 pass through magnet 321, in the present invention, magnet 321 use one-part form magnet structure, antenna 322 is helix tube
Antenna, antenna 322 is wrapped in the outer wall of the second conduit, and one end of antenna 322 connects with 6 phase electricity of control system, and the other end is with dividing
The data analysis receiving unit phase electricity of analysis unit 3 connects.Further, as shown in figure 5, magnet 321 uses castellated shape, it is stuck in magnetic
In steel skeleton 323, the installation with brill fluid analyser of the convenient present invention, and prevent from producing magnetic pole displacement between magnet 321, into
One step, the dentalation of magnet 321 is symmetrical appearance paired up and down and the teeth portion 320 of dentalation in the present invention
In the same size, i.e., the teeth portion 320 of magnet 321 occurs to be symmetrical up and down, and each teeth portion 320 is big consistent, so as to ensure
Magnet 321 is stably fastened in magnet steel skeleton 323, and Fig. 5 only shows schematically magnet 321 and uses dentalation, magnet 321
The direction of magnetization is unipolar magnetization, forms uniform field at the middle part of magnet 321, comes in the present invention by adjusting the internal diameter of magnet 321
Adjust magnetic field intensity, the smaller field strength of its internal diameter is higher, the magnetic field at the center of magnet 321 as shown in figure 9, from 321 upper end of magnet to
The schematic diagram in the magnetic field (Magnetic Field, MF) at center in the range of the length L of lower end.
Antenna 322 is wrapped in the outside of the second diversion pipe 36 of 321 internal measurement section 324 of magnet, the second diversion pipe 36
Outer wall slot, in 322 embedded groove of antenna, and carry out oil-filled sealing, in one layer of metal shielding of sealant overcoat so that
Help to protect antenna, extend the service life with brill fluid analyser of the present invention, the analysis of the characteristic parameter of fluid of the invention
Using nuclear-MHD analytical technology, wherein the nuclear-MHD analytical technology for fluid is current technology, no longer carry out herein detailed
Thin repeats.
As shown in figure 4, when analysis probe 32 is second embodiment, analysis probe 32 includes hollow magnet 521
With antenna 522, the feed liquor port of the second conduit 36 is connected with suction module 31, and the second conduit 36 passes through magnet 521, in this reality
Apply in example, magnet 521 is spliced including the first magnet A, the second magnet B and the 3rd magnet C, is surveyed wherein the 3rd magnet C is corresponded to
Section is measured, the first magnet A, the second magnet B and the 3rd magnet C are all toroidal magnet, and magnetizing direction unidirectionally magnetizes to be overall, in magnetic
The inside of body 521 produces the single magnetic field in a more uniform magnet direction, the magnetic field at the center of magnet 521 as shown in figure 9, from
521 upper end of magnet to the magnetic field (Magnetic Field, MF) at center in the range of the length L of lower end schematic diagram, such as Fig. 6 institutes
Show, antenna 522 is made of the first helical antenna 5221 and the second helical antenna 5222, and the second helical antenna 5222 is spiral to be arranged on
In the spiral shell seam of first helical antenna 5221, antenna 522 is spiral tube antenna, and one end and the control of the first helical antenna 5221 are
6 phase electricity of uniting connect, and the other end and 521 electricity of magnet of the first helical antenna 5221 connect, the second helical antenna 5222 and analytic unit 3
Data analysis receiving unit phase electricity connects.In this embodiment, antenna 522 is solenoid antenna, which is enamel-cover copper
Line (0.3~2mm of diameter is preferred) or deoxidized cooper band (0.1~2mm of thickness is preferred) are made, and antenna 522 is wrapped in the second conduit
36 outside, antenna 522 are double solenoid separated structure, and what antenna 522 was wrapped in 521 internal measurement section of magnet second leads
On the outside of 36 tube wall of pipe, i.e., on the outside of corresponding second conduit, 36 tube wall in the inside of magnet C, 36 outer wall of the second conduit is slotted,
In the insertion fluting of antenna 522, and oil-filled sealing is carried out, in one layer of metal shielding of sealant overcoat；Under fluid flow state,
First helical antenna 5221 is used for the transmitting of pulse signal, pulse signal is transmitted on magnet 521, pulse signal is transmitted to magnetic
A magnetic field can be produced on body 521, magnet 521 itself can produce an intrinsic magnetic field, and two magnetic fields can produce resonant field,
So as to fulfill the analysis to fluid flow parameter, the second helical antenna 5222 is used for the reception of magnetic resonance signal, and by the signal
The data analysis receiving unit of analytic unit 3 is transferred to, so that the characteristic parameter of fluid is obtained, wherein, for the nuclear-magnetism of fluid
Fluid analysis technology is current technology, no longer carries out detailed repeat herein.As shown in figure 5, will in the outside of whole magnet 521
It is subject to high magnetic conduction steel 523 and carries out magnetic line of force constraint so that whole magnetic field is all located inside high magnetic conduction steel 523, realizes that magnetic field does not have
Leak, 32 sufficiently small (3~5cm of diameter is preferred) of whole fluid analysis probe, and be fixed in embedded accommodating chamber 21, further
Ground, magnet 521 equally use castellated shape, are stuck in magnet steel skeleton 523, the peace with brill fluid analyser of the convenient present invention
Dress, and prevent from producing magnetic pole displacement, in the embodiment of the present invention, the dentalation of magnet 521 between magnet 521
For the teeth portion 320 of symmetrical appearance and dentalation is in the same size in pairs up and down, i.e., the teeth portion 320 of magnet 521 is upper bottom left
Right symmetrical appearance, and each teeth portion 320 is big consistent, so that ensure that magnet 521 is stably fastened in magnet steel skeleton 523, Fig. 5
Only show schematically magnet 521 and use dentalation, 521 direction of magnetization of magnet is unipolar magnetization, is formed at the middle part of magnet 521
Uniform field, adjusts magnetic field intensity, the smaller field strength of its internal diameter is higher by adjusting the internal diameter of magnet 521 in the present invention.
Preferably, the structure of the magnet 321/521 of fluid analysis probe 32 can be double bar-shaped magnets, and Halbach is nested
The structures such as type magnet；More uniform magnetic field is formed at the middle part of magnet 321/521, for relaxation time (T1、T2) measurement,
Gradient magnetic, the measurement for diffusion coefficient (D) are being formed close to the part of the inner side of magnet 321/521；521 discrete knot of antenna
Structure can use the first helical antenna 5221 as solenoid, and the second helical antenna 5222 is shape of a saddle antenna, and it is spiral to remove first
Coupling between 5221 and second helical antenna 5222 of antenna；Under static measurement pattern, can only it be surveyed with solenoid antenna
Amount.
Specifically, in the present invention, there is multiple-working mode with fluid analyser is bored, including：With brill standby mode, fluid
Analytical model.As shown in fig. 7, for the workflow schematic diagram for boring fluid analyser entirety.First, ground control system 6 is sent out
Go out signal, with bore fluid analyser enter with bore standby mode, in drilling process with bore fluid analyser without collection and
Analyze work.Drill-well operation stops, and feeds back to ground control system 6, and analytic unit 3, which enters, treats working status；Beam worker is finished
Feedback of status to ground control system 6, metal probe are pierced into stratum by Bi Hou, downhole instrument, subsequent start-up presser unit 33,
Start fluid analysis pattern.After the acquired system acquisition of fluid analysis data finishes, ground control system 6 is fed back to, is made
Fluid analysis operating mode stops, and then continues with brill standy operation mode.
As shown in figure 8, fluid analysis pattern is divided into stationary fluid measurement pattern and flow measurement pattern again.In inactive state
Under can carry out one-dimensional T1、T2With two-dimentional T1-T2Measurement；Under fluid flow analysis pattern, under conditions of the demand slightly shorter time
It can carry out fluid and flow one-dimensional T1、T2Measurement, can also carry out the one-dimensional T of stationary fluid under conditions of time affluence1、T2With
Two-dimentional T1-T2Measurement.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, to be rushed as long as there is no structure
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical solutions including falling within the scope of the appended claims.
Claims (10)
- It is 1. a kind of with brill fluid analyser, it is characterised in that described to include with brill fluid analyser：The pipe nipple to connect with drilling rod, the pipe nipple is interior to be equipped with the accommodating chamber that can accommodate analytic unit；The analytic unit includes the suction module of fluid and the analysis that can detect the fluid flow parameter in pumping formation and visits Head, the analysis probe are connected with the suction module, and the suction module is abutted against with the borehole wall；The suction module connects with control system phase electricity；The drainage tube of drilling fluid can be conveyed to drill bit by being equipped with the drilling rod, and the drainage tube is located at the one of the analysis probe Side.
- 2. as claimed in claim 1 with brill fluid analyser, it is characterised in that the suction module includes suction probe, institute State be equipped with suction probe can movably metal probe, annular leather bag, the suction are equipped between the suction probe and the borehole wall Side of the probe away from the annular leather bag is equipped with the presser unit being connected with the suction probe, the presser unit and institute Metal probe is stated to connect with the control system phase electricity respectively.
- 3. as described in claim 2 with brill fluid analyser, it is characterised in that filter screen is equipped with the suction probe, Movably the filter screen can be passed through by the metal probe.
- 4. as claimed in claim 2 or claim 3 with brill fluid analyser, it is characterised in that the suction module and the pressurization are single Lamination tester in ground is equipped between member.
- 5. as claimed in claim 1 with brill fluid analyser, it is characterised in that the outlet end of the analysis probe is communicated with Multiple sampling bottles.
- 6. as claimed in claim 5 with brill fluid analyser, it is characterised in that the liquid feeding end of the sampling bottle is equipped with sampling should Power meter, the sampling stress meter are mutually electrically connected with the control system.
- 7. as described in claim 5 or 6 with bore fluid analyser, it is characterised in that it is described analysis probe outlet end connect It is connected with out sample halter.
- 8. as claimed in claim 1 with brill fluid analyser, it is characterised in that the analysis probe includes hollow magnet, The feed liquor port of sample cell is connected with the suction module, and the sample cell passes through the magnet, with the magnet antenna that mutually electricity connects Be wrapped in the outer wall of the sample cell, one end of the antenna connects with the control system phase electricity, the other end of the antenna with The data analysis receiving unit phase electricity of the analytic unit connects.
- 9. as claimed in claim 1 with brill fluid analyser, it is characterised in that the analysis probe includes hollow magnet, The magnet is spliced by multistage polarized magnets, and the feed liquor port of sample cell is connected with the suction module, the sample cell Through the magnet, spiral antenna is wrapped in the outer wall of the sample cell, and the antenna is by the first helical antenna and second Helical antenna is formed, in the spiral spiral shell seam for being arranged on first helical antenna of second helical antenna, first spiral shell One end of rotation antenna connects with the control system phase electricity, and the other end of first helical antenna connects with the magnet electricity, described The data analysis receiving unit phase electricity of second helical antenna and the analytic unit connects.
- 10. as claimed in claim 8 or 9 with brill fluid analyser, it is characterised in that the magnet is toroidal magnet, described Magnet is fastened in magnet steel skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610879144.8A CN107916928B (en) | 2016-10-08 | 2016-10-08 | Fluid analyzer while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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