CN114483010A - Method and device for detecting slurry diffusion range, electronic equipment and storage medium - Google Patents
Method and device for detecting slurry diffusion range, electronic equipment and storage medium Download PDFInfo
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- 239000002002 slurry Substances 0.000 title claims abstract description 127
- 238000009792 diffusion process Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000003860 storage Methods 0.000 title claims abstract description 16
- 238000005553 drilling Methods 0.000 claims abstract description 158
- 238000001514 detection method Methods 0.000 claims abstract description 53
- 238000009826 distribution Methods 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 10
- 239000002923 metal particle Substances 0.000 claims description 29
- 239000000700 radioactive tracer Substances 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 13
- 238000004590 computer program Methods 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 23
- 239000003245 coal Substances 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 9
- 239000011440 grout Substances 0.000 abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
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- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000004568 cement Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
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- 238000005065 mining Methods 0.000 description 2
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- 229910021654 trace metal Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/10—Locating fluid leaks, intrusions or movements
- E21B47/11—Locating fluid leaks, intrusions or movements using tracers; using radioactivity
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- 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
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Abstract
The invention discloses a method and a device for detecting a slurry diffusion range, electronic equipment and a storage medium, wherein the method comprises the following steps: determining a target layer interval; drilling a target interval through a preset main hole and a preset horizontal branch hole to obtain a drilling fluid leakage position; determining a grouting position according to the drilling fluid loss position; performing resistivity detection before grouting at a grouting position to obtain a first while-drilling azimuth resistivity; performing resistivity detection after grouting at the grouting position to obtain second while-drilling azimuth resistivity; and determining the diffusion range of the slurry according to the first while-drilling azimuth resistivity and the second while-drilling azimuth resistivity. The method takes the metallic aluminum particles as the tracing medium, and accurately determines the diffusion range and diffusion path of the grout, thereby revealing the pore crack distribution and water guide channel around the grouting hole, improving the rationality of directional drilling horizontal branch hole spacing design, grouting layer position selection, grout concentration adjustment and grouting pressure optimization, and playing a positive role in preventing and reducing the occurrence of water inrush accidents in coal mines.
Description
Technical Field
The invention relates to the technical field of water damage treatment of coal seam floors, in particular to a method and a device for detecting a slurry diffusion range, electronic equipment and a storage medium.
Background
The coal mine floor water inrush is one of the main factors restricting coal safety mining due to abundant water source, strong concealment, high water inrush strength and great disaster hazard. In recent years, the directional drilling horizontal hole area treatment technology is mainly used for treating water damage of a coal seam floor. The method is based on horizontal long drilling constructed in the confined aquifer, blocks the confined water guide channel or improves the aquifer in a grouting mode, and realizes the overall management of the water damage of the bottom plate of the mining area with larger area. The water guide channel in the aquifer can be effectively blocked through grouting treatment of the aquifer of the bottom plate, the water-resisting layer is thickened, the threat of bottom plate water to the working face is thoroughly solved, a large amount of coal resources threatened by water damage are successfully liberated, and meanwhile, the damage to underground water resources is reduced.
The 'structural water control' is a typical characteristic of water inrush of a bottom plate, a karst aquifer is provided with various types of water storage spaces such as karst gaps and cracks, karst and crack media serve as important water storage and water guide channels, and the karst and crack media are also objects for direct filling and reinforcement of slurry. Because the slurry diffusion is related to a plurality of factors such as slurry performance, grouting parameters, geological conditions and the like, and various factors interact with each other when a soft structural surface such as a crack, an interlayer, a joint, a fault and the like is usually included in an injected object, the grouting becomes a very hidden and complex project, and the flowing rule of the slurry is difficult to control in the actual grouting, so that a method for determining the slurry diffusion range does not exist at present. The slurry diffusion range is related to the determination of the spacing between the directional drilling horizontal branch holes, the selection of the grouting position, the adjustment of the slurry concentration, the optimization of the grouting pressure and the like, and the final treatment effect, the investment cost and the construction period are greatly influenced. Moreover, many coal-containing basins in China are historically influenced by multi-stage structure motions, and the geological conditions are relatively complex, so that research and analysis with targeted slurry diffusion range and design of horizontal branch hole spacing are required to be carried out during regional treatment, however, in actual engineering practice, engineering technicians design and quality evaluation based on past experience are more blind.
In summary, there is a need for a method for detecting the diffusion range of slurry, which is used to solve the above-mentioned problems of the prior art.
Disclosure of Invention
Because the existing method has the problems, the invention provides a method, a device, an electronic device and a storage medium for detecting the diffusion range of the slurry.
In a first aspect, the present invention provides a method of slurry diffusion range detection, comprising:
determining a target layer interval;
drilling the target interval through a preset main hole and a preset horizontal branch hole to obtain a drilling fluid leakage position;
determining a grouting position according to the drilling fluid loss position;
performing resistivity detection before grouting at the grouting position to obtain a first while-drilling azimuth resistivity; the first while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole before grouting;
performing resistivity detection after grouting at the grouting position to obtain a second orientation resistivity while drilling; the second while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole after grouting;
and determining the diffusion range of the slurry according to the first while-drilling azimuthal resistivity and the second while-drilling azimuthal resistivity.
Further, before the resistivity detection after the grouting, the method further comprises:
grouting at the grouting position by adopting preset grouting slurry; the predetermined grouting slurry contains tracer metal particles.
Further, the determining a slurry diffusion range from the first while drilling azimuthal resistivity and the second while drilling azimuthal resistivity comprises:
calibrating the second while-drilling azimuth resistivity by taking the first while-drilling azimuth resistivity as a background value to obtain resistivity distribution after grouting;
and determining the area range with the resistivity difference larger than a preset threshold value according to the resistivity distribution to obtain the slurry diffusion range.
Further, after determining the slurry diffusion range according to the first while-drilling azimuthal resistivity and the second while-drilling azimuthal resistivity, the method further comprises:
carrying out resistivity detection on the rest hole sections of the horizontal branch holes to obtain the slurry diffusion range of each grouting position of the horizontal branch holes;
and determining the slurry diffusion interval corresponding to the horizontal branch hole according to the slurry diffusion range of each grouting position.
Further, the particle size of the tracer metal particles is 40-60 meshes, and the tracer metal particles account for 10-15% of the grouting slurry by mass.
In a second aspect, the present invention provides an apparatus for detecting the spread of a slurry, comprising:
the acquisition module is used for determining a target layer section;
the processing module is used for drilling the target interval through a preset main hole and a preset horizontal branch hole to obtain a drilling fluid leakage position; determining a grouting position according to the drilling fluid loss position; performing resistivity detection before grouting at the grouting position to obtain a first while-drilling azimuth resistivity; the first while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole before grouting; performing resistivity detection after grouting at the grouting position to obtain a second orientation resistivity while drilling; the second while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole after grouting; and determining the diffusion range of the slurry according to the first while-drilling azimuthal resistivity and the second while-drilling azimuthal resistivity.
Further, the processing module is further configured to:
before the resistivity detection after grouting is carried out, grouting is carried out at the grouting position by adopting preset grouting slurry; the predetermined grouting slurry contains tracer metal particles.
Further, the processing module is specifically configured to:
calibrating the second while-drilling azimuth resistivity by taking the first while-drilling azimuth resistivity as a background value to obtain resistivity distribution after grouting;
and determining the area range with the resistivity difference larger than a preset threshold value according to the resistivity distribution to obtain the slurry diffusion range.
Further, the processing module is further configured to:
after determining a slurry diffusion range according to the first while-drilling azimuthal resistivity and the second while-drilling azimuthal resistivity, performing resistivity detection on the remaining hole section of the horizontal branch hole to obtain the slurry diffusion range of each grouting position of the horizontal branch hole;
and determining the slurry diffusion interval corresponding to the horizontal branch hole according to the slurry diffusion range of each grouting position.
Further, the processing module is specifically configured to: the particle size of the tracer metal particles is 40-60 meshes, and the tracer metal particles account for 10-15% of the grouting slurry by mass.
In a third aspect, the present invention also provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the method for detecting the slurry diffusion range according to the first aspect.
In a fourth aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of slurry spread detection according to the first aspect.
According to the technical scheme, the method, the device, the electronic equipment and the storage medium for detecting the diffusion range of the grout provided by the invention take the metal aluminum particles as the tracing medium, and accurately determine the diffusion range and the diffusion path of the grout, so that the crack distribution of holes around a grouting hole and a water guide channel are disclosed, the rationality of directional drilling horizontal branch hole spacing design, grouting layer position selection, grout concentration adjustment and grouting pressure optimization is improved, and the method, the device, the electronic equipment and the storage medium have a positive effect on preventing and reducing water inrush accidents of coal mines. The slurry diffusion ranges under different geological structure types are obtained through resistivity detection of the main hole and the horizontal branch hole in the control range, the construction efficiency is improved, and the method is simple, practical and wide in applicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a system framework of a slurry spread detection system provided by the present invention;
FIG. 2 is a schematic flow chart of a method for detecting the diffusion range of slurry according to the present invention;
FIG. 3 is a schematic diagram of an azimuthal resistivity while drilling apparatus provided by the present invention;
FIG. 4 is a schematic diagram illustrating the comparison of the slurry diffusion before and after the grouting in the fractured zone provided by the present invention;
FIG. 5 is a schematic diagram of resistivity detection results before and after grouting in a fractured zone provided by the invention;
FIG. 6 is a schematic structural diagram of a device for detecting the spread range of slurry according to the present invention;
fig. 7 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The method for detecting the diffusion range of the slurry provided by the embodiment of the invention can be applied to a system architecture as shown in fig. 1, wherein the system architecture comprises a while-drilling azimuthal resistivity device 100 and a server 200.
Specifically, the while-drilling azimuthal resistivity device 100 is installed behind a drill bit and used for resistivity detection before grouting at a grouting position to obtain a first while-drilling azimuthal resistivity. And detecting the resistivity after grouting at the grouting position to obtain a second while-drilling azimuth resistivity.
It should be noted that the first while-drilling azimuth resistivity is the while-drilling azimuth resistivity in the neighborhood of the horizontal branch hole before grouting; the second while-drilling orientation resistivity is the while-drilling orientation resistivity in the vicinity of the horizontal branch hole after grouting.
The server 200 is configured to determine a slurry diffusion range based on the first while drilling azimuthal resistivity and the second while drilling azimuthal resistivity.
It should be noted that fig. 1 is only an example of a system architecture according to the embodiment of the present invention, and the present invention is not limited to this specifically.
Based on the above illustrated system architecture, fig. 2 is a schematic flow chart corresponding to a method for detecting a slurry diffusion range according to an embodiment of the present invention, as shown in fig. 2, the method includes:
Before step 202, the embodiment of the invention determines a target interval based on regional geological information, three-dimensional seismic exploration information, exploration drilling information, hydrological hole information and the like in a treatment range, and implements design of a main hole and a horizontal branch hole to obtain a preset main hole and a preset horizontal branch hole.
Further, an azimuth resistivity while drilling device is installed behind the drill bit, and drilling operations of the main hole and the horizontal branch hole are performed.
FIG. 3 shows a schematic diagram of a post-drill installation while-drilling azimuthal resistivity device provided by an embodiment of the present invention.
Specifically, in the drawings, 1 denotes a drill, and 2 denotes a rotary guide member.
Further, the while-drilling azimuthal resistivity device comprises a transmitter 3, a signal converter 4, a first signal receiver 5, an LWD logging-while-drilling component 6, a second signal receiver 7, an MWD measurement-while-drilling component 8, a third signal receiver 9, a signal transmission component 10, a fourth signal receiver 11 and a non-magnetic drill collar 12.
It should be noted that the while-drilling azimuth resistivity device is matched with the aperture of the drilling tool, and the size of the while-drilling azimuth resistivity device is smaller than that of the directional drilling aperture.
Further, the while-drilling azimuthal resistivity device employs multiple frequency bands for detection, such as high frequency, medium frequency, or low frequency.
In one possible embodiment, the frequency range is 4kHz to 100 kHz.
It should be noted that the frequency range may also be 3kHz to 120kHz, which is not specifically limited in the embodiment of the present invention.
Further, different frequency band combinations may reflect resistivities of formations of different depths.
And step 203, determining a grouting position according to the drilling fluid loss position.
Specifically, the position of drilling fluid loss in the drilling process of the target interval is determined as a grouting position.
In one possible implementation mode, whether the leakage amount of the drilling fluid leakage position is larger than a set threshold value or not is judged, and if yes, the current drilling fluid leakage position is determined as a grouting position.
For example, when directional drilling is performed on a grouting position, loss occurs, the loss amount is more than 5 cubic meters per hour, and drilling fluid at an orifice returns, the position is determined as a position needing grouting treatment.
And 204, performing resistivity detection before grouting at the grouting position to obtain a first while-drilling azimuth resistivity.
It should be noted that the first while-drilling azimuthal resistivity is the while-drilling azimuthal resistivity in the vicinity of the horizontal branch hole before grouting.
And (3) performing resistivity detection before grouting after the directional drill drills the target layer section in the horizontal branch hole to obtain the formation resistivity of different depths and different directions at the periphery of the horizontal branch hole before grouting.
Further, in the embodiment of the present invention, after resistivity detection before grouting is performed at a grouting position, grouting is performed on the inner hole fracture of the horizontal branch hole of the target interval, and fig. 4 is a schematic diagram illustrating comparison between the diffusion conditions of grout before and after grouting of the inner hole fracture of the horizontal branch hole of the target interval provided in the embodiment of the present invention.
And step 205, performing resistivity detection after grouting at the grouting position to obtain a second while-drilling azimuth resistivity.
It should be noted that the second while-drilling azimuthal resistivity is the while-drilling azimuthal resistivity in the vicinity of the horizontal branch hole after grouting.
Further, fig. 5 shows a schematic diagram of the resistivity detection results before and after grouting the inner hole fracture of the horizontal branch hole of the target interval according to the embodiment of the present invention.
As can be seen from the figure, the resistivity is lower in the slurry diffusion range compared to the resistivity in the slurry non-diffusion position.
In the embodiment of the invention, after grouting and hole sweeping are finished, resistivity detection is carried out after grouting.
In one possible embodiment, the grouting end standard is that the grouting end pressure (1.5 to 2 times of the hydrostatic pressure of the injected layer) is reached, and the pressure stabilizing maintaining time is more than 30 minutes.
Further, the hole sweeping operation is performed when the drilling tool is supported by the grouting slurry.
In the embodiment of the invention, the directional drill carries out resistivity detection after grouting and hole sweeping are finished, and formation resistivity of different depths and different directions at the periphery of the horizontal branch hole after grouting is obtained.
And step 206, determining the diffusion range of the slurry according to the first while-drilling azimuth resistivity and the second while-drilling azimuth resistivity.
Specifically, with the first while-drilling azimuth resistivity as a background value, calibrating the second while-drilling azimuth resistivity to obtain resistivity distribution after grouting;
and determining the area range of which the resistivity difference is larger than a preset threshold value according to the resistivity distribution to obtain the slurry diffusion range.
In the embodiment of the invention, the measured rock stratum resistivity before grouting is taken as a background value, the rock stratum resistivity distribution after grouting is calibrated, and the region range with obvious resistivity difference is defined as the slurry diffusion range.
Specifically, the first while-drilling azimuth resistivity is used as a pre-injection formation resistivity background value;
further, the low-resistance abnormal distribution range is defined by comparing the resistivity of the rock stratum before and after grouting and based on the comparison difference of the resistivity of the rock stratum and the resistivity of the rock stratum, so that the slurry diffusion range corresponding to the grouting position is obtained.
It should be noted that the difference in formation resistivity in the embodiment of the present invention is due to the fact that a grouting slurry containing tracer metal particles is injected into the injected layer, the metal particles serve as a tracer medium, the slurry serves as a carrier for diffusion of the tracer metal particles in the fracture, and after solidification, the formation in the slurry diffusion range exhibits a low resistivity characteristic due to the presence of the metal particles.
According to the scheme, the metal aluminum particles are used as tracing media, the slurry diffusion range and the diffusion path are accurately determined, so that the pore crack distribution and the water guide channel around the grouting hole are disclosed, the rationality of directional drilling horizontal branch hole spacing design, grouting layer position selection, slurry concentration adjustment and grouting pressure optimization is improved, and the method plays a positive role in preventing and reducing coal mine water inrush accidents. The slurry diffusion ranges under different geological structure types are obtained through resistivity detection of the main hole and the horizontal branch hole in the control range, the construction efficiency is improved, and the method is simple, practical and wide in applicability.
In the embodiment of the invention, the preset grouting slurry is adopted to perform grouting at the grouting position before the step 205.
It should be noted that the predetermined grouting slurry contains tracer metal particles.
For example, the trace metal particles may be aluminum particles, iron particles, and other metal particles with good electrical conductivity.
In the embodiment of the invention, the grouting slurry containing the trace metal particles is adopted to perform grouting on the grouting position of the target interval.
In one possible embodiment, the tracer metal particles have a particle size of 40 mesh to 60 mesh.
In one possible embodiment, the tracer metal particles comprise 10% to 15% by mass of the grouting slurry.
In one possible embodiment, the grouting slurry is a single-fluid cement slurry containing tracer metal particles, and the sequential variation of the concentration of the grouting slurry is as follows: dilute slurry-thick slurry-dilute slurry, single-liquid cement slurry with water-cement ratio of 2:1 to 1: 1.
Specifically, relatively thin slurry (the water-cement ratio is 2:1) is injected in the early stage of grouting and can be diffused into and filled into the distal-end micro-cracks, relatively thick slurry (the water-cement ratio is 1:1) is injected in the middle stage of grouting and can be filled in the proximal-end medium-large-sized cracks and holes in a flowing mode, and relatively thin slurry (the water-cement ratio is 2:1) is injected again in the later stage of grouting to flush the pipeline and press the slurry containing the tracer metal particles into the cracks.
In one possible implementation mode, the stage that the grouting pump pressure is less than 2MPa when thinner grout is injected in the early stage of grouting, the stage that the grouting pump pressure is more than 2MPa and less than 8MPa when thicker grout is injected in the middle stage of grouting, and the stage that the grouting pump pressure is between 8MPa and the grout stopping pump pressure in the later stage of grouting.
According to the scheme, the metal particles are used as tracing media, the slurry is used as a carrier for tracing the diffusion of the metal particles in the cracks, the rock stratum in the slurry diffusion range presents low resistivity characteristics due to the existence of the metal particles after the slurry is solidified, and the low-resistance abnormal distribution condition in the slurry diffusion range containing the metal particles is visually reflected by means of the resistivity detection of the rock stratum before and after the grouting around the underground water bisection branch hole along with the orientation resistivity while drilling, so that the treatment efficiency is improved.
Further, in the embodiment of the present invention, after step 206, resistivity detection is performed on the remaining hole segments of the horizontal branch hole, so as to obtain a slurry diffusion range of each grouting position of the horizontal branch hole.
And determining a slurry diffusion interval corresponding to the horizontal branch hole according to the slurry diffusion range of each grouting position.
Specifically, drilling, grouting and resistivity detection are carried out on the residual hole section of the horizontal branch hole, and the slurry diffusion range of each grouting position of the horizontal branch hole is obtained.
Furthermore, the number of the slurry leakage sections in the drilling process is n, and the resistivity detection result before grouting and after grouting is analyzed to obtain the slurry diffusion range r of each grouting positionn。
Distribution region r based on the obtained slurry diffusion rangeminTo rmax. Wherein r isminIs the minimum value r of the slurry diffusion range corresponding to n grouting positions of the horizontal branch holemaxThe maximum value of the slurry diffusion range corresponding to n grouting positions of the horizontal branch hole is obtained.
In the embodiment of the invention, through analysis and statistics of the slurry diffusion interval of the target layer section where the horizontal branch hole is located, effective information is provided for other branch designs and implementation in a treatment range, such as the hole spacing design of the branch hole.
According to the scheme, the analysis and statistics of the slurry diffusion range interval of the target layer section where the horizontal branch hole is located are carried out, so that the design and implementation efficiency of other branches in the treatment range is improved.
Based on the same inventive concept, fig. 6 exemplarily shows a device for slurry spread range detection provided by the embodiment of the invention, which can be a flow of a method for slurry spread range detection.
The apparatus, comprising:
an obtaining module 601, configured to determine a target interval;
the processing module 602 is configured to drill the target interval through a preset main hole and a preset horizontal branch hole to obtain a drilling fluid leakage position; determining a grouting position according to the drilling fluid loss position; performing resistivity detection before grouting at the grouting position to obtain a first while-drilling azimuth resistivity; the first while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole before grouting; performing resistivity detection after grouting at the grouting position to obtain a second orientation resistivity while drilling; the second while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole after grouting; and determining the diffusion range of the slurry according to the first while-drilling azimuthal resistivity and the second while-drilling azimuthal resistivity.
Further, the processing module 602 is further configured to:
before the resistivity detection after grouting is carried out, grouting is carried out at the grouting position by adopting preset grouting slurry; the predetermined grouting slurry contains tracer metal particles.
Further, the processing module 602 is specifically configured to:
calibrating the second while-drilling azimuth resistivity by taking the first while-drilling azimuth resistivity as a background value to obtain resistivity distribution after grouting;
and determining the area range with the resistivity difference larger than a preset threshold value according to the resistivity distribution to obtain the slurry diffusion range.
Further, the processing module 602 is further configured to:
after determining a slurry diffusion range according to the first while-drilling azimuth resistivity and the second while-drilling azimuth resistivity, performing resistivity detection on the remaining hole section of the horizontal branch hole to obtain the slurry diffusion range of each grouting position of the horizontal branch hole;
and determining the slurry diffusion interval corresponding to the horizontal branch hole according to the slurry diffusion range of each grouting position.
Further, the processing module 602 is specifically configured to: the particle size of the tracer metal particles is 40-60 meshes, and the tracer metal particles account for 10-15% of the grouting slurry by mass.
Based on the same inventive concept, another embodiment of the present invention provides an electronic device, which specifically includes the following components, with reference to fig. 7: a processor 701, a memory 702, a communication interface 703 and a communication bus 704;
the processor 701, the memory 702 and the communication interface 703 complete mutual communication through the communication bus 704; the communication interface 703 is used for implementing information transmission between the devices;
the processor 701 is configured to call a computer program in the memory 702, and the processor implements all the steps of the method for detecting a slurry diffusion range when executing the computer program, for example, the processor implements the following steps when executing the computer program: determining a target layer interval; drilling the target interval through a preset main hole and a preset horizontal branch hole to obtain a drilling fluid leakage position; determining a grouting position according to the drilling fluid loss position; performing resistivity detection before grouting at the grouting position to obtain a first while-drilling azimuth resistivity; the first while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole before grouting; performing resistivity detection after grouting at the grouting position to obtain a second orientation resistivity while drilling; the second while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole after grouting; and determining the diffusion range of the slurry according to the first while-drilling azimuthal resistivity and the second while-drilling azimuthal resistivity.
Based on the same inventive concept, yet another embodiment of the present invention provides a non-transitory computer-readable storage medium, having stored thereon a computer program, which when executed by a processor, implements all the steps of the above-mentioned method for detecting a slurry spread range, for example, the processor implements the following steps when executing the computer program: determining a target layer interval; drilling the target interval through a preset main hole and a preset horizontal branch hole to obtain a drilling fluid leakage position; determining a grouting position according to the drilling fluid loss position; performing resistivity detection before grouting at the grouting position to obtain a first while-drilling azimuth resistivity; the first while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole before grouting; performing resistivity detection after grouting at the grouting position to obtain a second orientation resistivity while drilling; the second while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole after grouting; and determining the diffusion range of the slurry according to the first while-drilling azimuthal resistivity and the second while-drilling azimuthal resistivity.
In addition, the logic instructions in the memory may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer (which may be a personal computer, a device for detecting the spread of slurry, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. Based on such understanding, the above technical solutions may be essentially or partially implemented in the form of software products, which may be stored in computer readable storage media, such as ROM/RAM, magnetic disk, optical disk, etc., and include several instructions for enabling a computer device (which may be a personal computer, a device for detecting the slurry diffusion range, or a network device, etc.) to execute the method for detecting the slurry diffusion range according to the embodiments or some parts of the embodiments.
In addition, in the present invention, terms such as "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Moreover, in the present invention, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Furthermore, in the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method of slurry spread detection, comprising:
determining a target layer interval;
drilling the target interval through a preset main hole and a preset horizontal branch hole to obtain a drilling fluid leakage position;
determining a grouting position according to the drilling fluid loss position;
performing resistivity detection before grouting at the grouting position to obtain a first while-drilling azimuth resistivity; the first while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole before grouting;
performing resistivity detection after grouting at the grouting position to obtain a second orientation resistivity while drilling; the second while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole after grouting;
and determining the diffusion range of the slurry according to the first while-drilling azimuthal resistivity and the second while-drilling azimuthal resistivity.
2. The method of slurry dispersion range detection according to claim 1, further comprising, prior to said post-grouting resistivity detection:
grouting at the grouting position by adopting preset grouting slurry; the predetermined grouting slurry contains tracer metal particles.
3. The method of slurry dispersion range detection according to claim 1, wherein determining a slurry dispersion range from the first azimuthal resistivity while drilling and the second azimuthal resistivity while drilling comprises:
calibrating the second while-drilling azimuth resistivity by taking the first while-drilling azimuth resistivity as a background value to obtain resistivity distribution after grouting;
and determining the area range with the resistivity difference larger than a preset threshold value according to the resistivity distribution to obtain the slurry diffusion range.
4. The method of slurry dispersion ranging detection as claimed in claim 1 further comprising, after said determining a slurry dispersion range from the first azimuthal resistivity while drilling and the second azimuthal resistivity while drilling:
carrying out resistivity detection on the rest hole sections of the horizontal branch holes to obtain the slurry diffusion range of each grouting position of the horizontal branch holes;
and determining the slurry diffusion interval corresponding to the horizontal branch hole according to the slurry diffusion range of each grouting position.
5. The method of slurry diffusion range detection according to claim 2, wherein the tracer metal particles have a particle size of 40 to 60 mesh, and the tracer metal particles account for 10 to 15% by mass of the grouting slurry.
6. An apparatus for slurry dispersion range detection, comprising:
the acquisition module is used for determining a target layer section;
the processing module is used for drilling the target interval through a preset main hole and a preset horizontal branch hole to obtain a drilling fluid leakage position; determining a grouting position according to the drilling fluid loss position; performing resistivity detection before grouting at the grouting position to obtain a first while-drilling azimuth resistivity; the first while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole before grouting; performing resistivity detection after grouting at the grouting position to obtain a second orientation resistivity while drilling; the second while-drilling azimuth resistivity is the while-drilling azimuth resistivity of the neighborhood of the horizontal branch hole after grouting; and determining the diffusion range of the slurry according to the first while-drilling azimuthal resistivity and the second while-drilling azimuthal resistivity.
7. The apparatus for slurry spread detection according to claim 6, wherein the processing module is further configured to:
before the resistivity detection after grouting is carried out, grouting is carried out at the grouting position by adopting preset grouting slurry; the predetermined grouting slurry contains tracer metal particles.
8. The apparatus for detecting a spread of a slurry of claim 6, wherein the processing module is specifically configured to:
calibrating the second while-drilling azimuth resistivity by taking the first while-drilling azimuth resistivity as a background value to obtain resistivity distribution after grouting;
and determining the area range with the resistivity difference larger than a preset threshold value according to the resistivity distribution to obtain the slurry diffusion range.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method according to any of claims 1 to 5 are implemented when the processor executes the program.
10. A non-transitory computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 5.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115306367A (en) * | 2022-08-19 | 2022-11-08 | 陕西省煤田地质集团有限公司 | Method for underground in-situ conversion and economic evaluation of oil-rich coal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115306367A (en) * | 2022-08-19 | 2022-11-08 | 陕西省煤田地质集团有限公司 | Method for underground in-situ conversion and economic evaluation of oil-rich coal |
| CN115306367B (en) * | 2022-08-19 | 2023-11-21 | 陕西省煤田地质集团有限公司 | Underground in-situ conversion and economical evaluation method for oil-rich coal |
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