CN118346258B - Dynamic real-time imaging method, gamma probe and logging instrument - Google Patents
Dynamic real-time imaging method, gamma probe and logging instrument Download PDFInfo
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- 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
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Abstract
The application relates to a dynamic real-time imaging method, a gamma probe and a logging instrument, wherein the imaging method comprises the steps of continuously acquiring an ambient gamma value and generating a gamma value change curve in the horizontal advancing or inclined advancing process, and when the ambient gamma value is continuously acquired, the number of acquisition windows is multiple and the orientation of each acquisition window is unchanged; the method comprises the steps of determining formation change according to waveform change of one gamma value change curve, determining formation change and determining formation interface by using waveform change of the remaining gamma value change curve, and drawing an image based on a travelling route according to the obtained formation interface. According to the dynamic real-time imaging method, the gamma probe and the logging instrument disclosed by the application, the stratum interface is found and determined by dynamically analyzing and mutually verifying the collected data, so that the drilling rate is improved.
Description
Technical Field
The application relates to the technical field of data processing, in particular to a dynamic real-time imaging method, a gamma probe and a logging instrument.
Background
The common natural gamma instrument is characterized in that due to the instrument structure, the received natural gamma rays from the stratum around the detector are evenly contributed to the amplitude of a logging curve, when the common natural gamma rays are used for geosteering, the drill bit can be judged to enter the reservoir or leave the oil and gas reservoir according to the gamma value, but whether the drill bit enters the reservoir or leaves the reservoir from the upper part or the lower part of the reservoir cannot be accurately judged, great difficulty is increased for adjusting the drill bit, the situation that the reservoir is lost frequently occurs in complex stratum, and the drilling rate is greatly reduced, and particularly, the situation is obvious when the thin reservoir and the complex reservoir are probed.
In exploitation of thin oil layer, shale gas and coalbed methane, in order to improve drilling rate as much as possible, dynamic display of images on a forward route is required, so that a worker can adjust the drilling route in time to enter a reservoir or find the reservoir as soon as possible, and how to process and display collected data is an important research topic.
Disclosure of Invention
The application provides a dynamic real-time imaging method, a gamma probe and a logging instrument, which are used for finding and determining a stratum interface by dynamically analyzing and mutually verifying collected data so as to improve drilling and meeting rate.
The above object of the present application is achieved by the following technical solutions:
in a first aspect, the present application provides a dynamic real-time imaging method, comprising:
in the horizontal advancing or oblique advancing process, continuously acquiring the surrounding environment gamma value and generating a gamma value change curve, wherein when the surrounding environment gamma value is continuously acquired, the number of the acquisition windows is multiple, and the orientation of each acquisition window is unchanged;
Determining formation change according to waveform change of one gamma value change curve;
determining formation changes and determining formation interfaces using waveform changes of the residual gamma value change curve;
and drawing an image based on the travelling route according to the obtained stratum interface.
In one possible implementation manner of the first aspect, determining the formation change according to the waveform change of one of the gamma value change curves includes:
acquiring a slope change point of a gamma value change curve;
tracking the change trend of the subsequent gamma value change curve from the occurrence time of the slope change point;
and determining that the stratum changes when the value of the subsequent gamma value change curve is stable or the range of the subsequent gamma value change curve fluctuates.
In a possible implementation manner of the first aspect, when a range fluctuation occurs in a subsequent gamma value variation curve, the method further includes:
Acquiring a partial curve at a corresponding position on the residual gamma value change curve;
Comparing the similarity of the subsequent gamma value change curve and a part of curves at corresponding positions on the residual gamma value change curve;
And when the similarity between the subsequent gamma value change curve and the partial curve at the corresponding position on the residual gamma value change curve meets the requirement, confirming that the subsequent gamma value change curve has range fluctuation.
In a possible implementation manner of the first aspect, comparing the similarity of the subsequent gamma value variation curve and the partial curve at the corresponding position on the remaining gamma value variation curve includes moving the subsequent gamma value variation curve or the partial curve at the corresponding position on the remaining gamma value variation curve on a time line.
In a possible implementation manner of the first aspect, the method further includes:
When the subsequent gamma value change curve or a part of curves at corresponding positions on the residual gamma value change curve are moved on the time line, a stratum interface is constructed according to the position of the slope change point of each gamma value change curve;
And adjusting the advancing route according to the constructed stratum interface and confirming the stratum interface, wherein after confirming the stratum interface, the time difference of the position of the slope change point of each gamma value change curve is in an allowable range.
In a possible implementation manner of the first aspect, the method further includes determining a departure direction of the advancing process, where determining the departure direction of the advancing process includes:
selecting two windows and obtaining gamma value change curves of the two windows, and respectively marking the two windows as a first gamma value change curve and a second gamma value change curve;
Intercepting a change part on a first gamma value change curve, and recording the change part as a first change curve;
Intercepting a corresponding change part on the second gamma value change curve, and recording the change part as a second change curve;
placing the first change curve and the second change curve into the same coordinate system and moving the first change curve to enable the first change curve and the second change curve to coincide;
Calculating and approving a forward distance according to the forward speed, wherein the difference between the forward distance and the moving distance of the first change curve is within an allowable range;
and determining a leaving direction according to the moving direction and the advancing direction of the first change curve, wherein the leaving direction is far away from the top surface of the reservoir when the moving direction and the advancing direction of the first change curve are opposite, and the leaving direction is far away from the bottom surface of the reservoir when the moving direction and the advancing direction of the first change curve are the same.
In a possible implementation manner of the first aspect, a formation interface far from the reservoir is constructed, and an allowable range of a difference between the advancing distance and the moving distance of the first variation curve is corrected according to an included angle between the advancing direction and the constructed formation interface.
In a second aspect, the present application provides a dynamic real-time imaging apparatus comprising:
The first data acquisition unit is used for continuously acquiring the ambient gamma value and generating a gamma value change curve in the horizontal or inclined advancing process, and when the ambient gamma value is continuously acquired, the number of the acquisition windows is multiple and the orientation of each acquisition window is unchanged;
A first determining unit for determining formation changes according to waveform changes of one of the gamma value change curves;
A second determining unit for determining formation changes and determining formation interfaces using waveform changes of the residual gamma value change curve;
And the image drawing unit is used for drawing an image based on the travelling route according to the obtained stratum interface.
In a third aspect, the present application provides an azimuthal gamma probe comprising:
one or more memories for storing instructions, and
One or more processors configured to invoke and execute the instructions from the memory, to perform the method as described in the first aspect and any possible implementation of the first aspect.
In a fourth aspect, the present application provides a logging instrument comprising an azimuthal gamma probe as described in the second aspect.
In a fifth aspect, the present application provides a computer-readable storage medium comprising:
A program which, when executed by a processor, performs a method as described in the first aspect and any possible implementation of the first aspect.
In a sixth aspect, the present application provides a computer program product comprising program instructions which, when executed by a computing device, perform a method as described in the first aspect and any possible implementation manner of the first aspect.
In a seventh aspect, the present application provides a chip system comprising a processor for implementing the functions involved in the above aspects, e.g. generating, receiving, transmitting, or processing data and/or information involved in the above methods.
The chip system can be composed of chips, and can also comprise chips and other discrete devices.
In one possible design, the system on a chip also includes memory to hold the necessary program instructions and data. The processor and the memory may be decoupled, provided on different devices, respectively, connected by wire or wirelessly, or the processor and the memory may be coupled on the same device.
Drawings
Fig. 1 is a schematic block diagram of a dynamic real-time imaging method according to the present application.
Fig. 2 is a schematic view of a window distribution on a drill bit according to the present application.
Fig. 3 is a schematic diagram of a variation line provided by the present application.
Fig. 4 is a schematic diagram of another variation line provided by the present application.
Fig. 5 is a schematic diagram of a slope change point according to the present application.
Fig. 6 is a schematic diagram of a gamma value variation curve or a partial curve movement at a corresponding position on a residual gamma value variation curve according to the present application.
Fig. 7 is a schematic view of a drill bit according to the present application shown removed from the top surface of a reservoir.
Fig. 8 is a schematic view of a drill bit according to the present application shown removed from the bottom surface of a reservoir.
Detailed Description
The technical scheme in the application is further described in detail below with reference to the accompanying drawings.
The application discloses a dynamic real-time imaging method, referring to fig. 1, the dynamic real-time imaging method disclosed by the application comprises the following steps:
S101, continuously acquiring the gamma value of the surrounding environment and generating a gamma value change curve in the horizontal or oblique advancing process, wherein the number of the acquisition windows is multiple and the orientation of each acquisition window is unchanged when the gamma value of the surrounding environment is continuously acquired;
s102, determining stratum change according to waveform change of one gamma value change curve;
s103, determining formation changes and determining formation interfaces by using waveform changes of the residual gamma value change curve;
And S104, drawing an image based on the travelling route according to the obtained stratum interface.
Firstly, it should be noted that the dynamic real-time imaging method disclosed by the application is applied to horizontal advance or oblique advance of the drill bit, and is mainly used for exploring a thin reservoir, and the thin reservoir has the structural characteristics of smaller size in the longitudinal direction, and when the drill bit keeps horizontal advance or oblique advance, the drill bit is easy to be staggered with the thin reservoir or directly penetrates the thin reservoir.
In view of the aspect of the drill bit, the dynamic real-time imaging method disclosed by the application needs to be realized by virtue of the gamma-ray while drilling probe, the gamma-ray while drilling probe is deployed in the drill bit forward, and gamma values (radiation intensity) in the surrounding environment can be continuously collected in the process of advancing along with the drill bit. By analyzing the gamma value, the dynamic real-time image of the drill bit in the advancing process can be obtained.
In the whole, in step S101, during the horizontal or oblique advancing process, the gamma value of the surrounding environment is continuously acquired and a gamma value variation curve is generated, wherein the gamma value variation curve characterizes the radiation intensity of the surrounding environment at different positions, a plurality of acquisition windows are present on the drill bit, as shown in fig. 2, the acquisition windows are uniformly arranged around the axis of the drill bit, and the orientation of each acquisition window is unchanged.
In step S102, a formation change is determined according to a waveform change of one of the gamma value change curves, where the waveform change of the gamma value change curve refers to a significant change, such as an increase or decrease, of the amplitude of the gamma value change curve, refer to fig. 3 and4, and there is a corresponding change line of the amplitude change, and the change line is a line segment similar to a diagonal line.
In step S103, the waveform change of the residual gamma value change curve is used to determine the formation change and determine the formation interface, and the purpose of determining the formation change using the waveform change of the residual gamma value change curve is to ensure the authenticity of the gamma value change curve reaction.
It should be appreciated that during the drilling process, a number of complications are faced, and there is a lot of interference in the surrounding environment, so that it is not guaranteed that the waveform change of the gamma value change curve is accurate. The waveform change of the residual gamma value profile is used in the present application to determine formation changes.
After the formation change is determined, the formation interface, which refers to the interface between two different material layers, is continuously determined, and finally, in step S104, an image based on the travel route is drawn according to the obtained formation interface.
The basic content of the image expression consists of a plurality of stratum interfaces, and the same substance or substances with similar exploration indexes are characterized between any two adjacent stratum interfaces, wherein the exploration indexes are specifically determined by a sensor carried on a drill bit.
When a formation interface occurs, a worker can quickly determine the change in the environment in which the drill bit is located, and thus determine whether an adjustment to the path of travel of the drill bit is required. For example, the drill bit can be timely adjusted in the advancing process when the drill bit is found to enter the reservoir, leave the reservoir, find a suspicious region and the like.
In one example, the formation change is determined from the waveform change of one of the gamma value change curves in the following manner:
s201, acquiring a slope change point of a gamma value change curve;
S202, tracking the change trend of a subsequent gamma value change curve from the occurrence time of the slope change point;
s203, determining that the stratum changes when the value of the subsequent gamma value change curve is stable or the range of the subsequent gamma value change curve fluctuates.
In steps S201 to S203, first, a slope change point of a gamma value change curve is obtained, referring to fig. 5, where the slope change point is an intersection point of two gamma value change curve segments on the gamma value change curve, and the magnitudes of the two gamma value change curve segments are different.
The slope change point is determined by first determining two gamma value change curve segments and then taking the intersection point of the two gamma value change curve segments as the slope change point. And tracking the change trend of the subsequent gamma value change curve from the occurrence time of the slope change point, and determining that the stratum changes when the value of the subsequent gamma value change curve is stable or the occurrence range fluctuates.
The numerical stability indicates that the geology of the next stratum is balanced, and the occurrence range fluctuation indicates that the geology of the next stratum is unbalanced, and the doping condition of various substances exists.
When the subsequent gamma value change curve fluctuates in range, the following manner is also required to be used for processing:
s301, acquiring a partial curve at a corresponding position on the residual gamma value change curve;
S302, comparing the similarity of the subsequent gamma value change curve and a part of curves at corresponding positions on the residual gamma value change curve;
s303, when the similarity between the subsequent gamma value change curve and the partial curve at the corresponding position on the residual gamma value change curve meets the requirement, confirming that the subsequent gamma value change curve has range fluctuation.
In steps S301 to S303, the remaining gamma value change curve is used to approve the content in steps S201 to S203, so as to ensure the accuracy of the content in steps S201 to S203, and when comparing the similarity between the subsequent gamma value change curve and the partial curve at the corresponding position on the remaining gamma value change curve, please refer to fig. 6, the arrow in the figure indicates the moving direction, and further includes moving the subsequent gamma value change curve or the partial curve at the corresponding position on the remaining gamma value change curve on the time line.
The purpose of the movement is that the drill bit may not be perpendicular to the formation interface, where the time at which the corresponding slope change point occurs is different for different gamma value changes, so that it is necessary to move the subsequent gamma value change curve or a portion of the curve at the corresponding location on the remaining gamma value change curve on the time line.
Further, the following is added:
When the subsequent gamma value change curve or a part of curves at corresponding positions on the residual gamma value change curve are moved on the time line, a stratum interface is constructed according to the position of the slope change point of each gamma value change curve;
And adjusting the advancing route according to the constructed stratum interface and confirming the stratum interface, wherein after confirming the stratum interface, the time difference of the position of the slope change point of each gamma value change curve is in an allowable range.
The purpose of constructing the formation interface according to the position of the slope change point of each gamma value change curve is to determine the correspondence of the slope change point of the gamma value change curve, and then the advancing route is adjusted and the formation interface is confirmed.
The formation interface obtained at this time is calculated as a virtual formation interface, and then the advancing route is adjusted and the formation interface is confirmed. The time difference of the positions of the slope change points of each gamma value change curve, which is obtained again after the advancing route is adjusted, should be within the allowable range, and the time difference should be within the allowable range, generally 1-2 seconds.
In some possible implementations, the formation interface is constructed by determining the occurrence time and the corresponding position of the slope change point of the gamma value change curve, then obtaining a plurality of line segments by the product of the drilling rate and the time difference, and finally obtaining the formation interface by using the tail ends of the line segments, wherein the tail ends of the line segments are located on the formation interface, or the sum of the straight line distances between the tail ends of the line segments and the formation interface is minimum.
When the time difference should not be within the allowable range, it is necessary to readjust the drill bit's travel path in order to allow the drill bit to enter the next formation perpendicular to the formation interface. It will be appreciated that for thin and complex reservoirs, the drill bit should be advanced into the reservoir as far as possible during exploration and then advanced into the reservoir, with a high probability of losing access to the reservoir as the drill bit moves along the reservoir edge, because the gamma probe has a limited detection range and the environment at the interface is complex and does not provide sufficient effective information, which can easily lead to a reduction in the drilling rate.
Thus, in the present application, when a potential formation interface is found, the direction of advance of the drill bit is adjusted so that the drill bit advances perpendicular to the formation interface.
In some instances, it may also be desirable to determine the departure direction of the advancement process, which refers to whether the drill bit is exiting from the top surface of the reservoir or from the bottom surface of the reservoir. It will be appreciated that by the gamma value profile it is easy to determine whether the drill bit has left the reservoir, but it is not possible to determine whether the drill bit has left the top surface of the reservoir or the bottom surface of the reservoir. At this time, the advancing direction of the drill bit cannot be adjusted, so that the drill bit returns to the reservoir again, and the detected reservoir is incomplete.
The specific way of determining the departure direction of the advancing process is as follows:
S401, selecting two windows and obtaining gamma value change curves of the two windows, and respectively marking the two windows as a first gamma value change curve and a second gamma value change curve;
S402, intercepting a change part on a first gamma value change curve, and recording the change part as a first change curve;
S403, intercepting a corresponding change part on the second gamma value change curve, and recording the change part as a second change curve;
S404, putting the first change curve and the second change curve into the same coordinate system and moving the first change curve to enable the first change curve and the second change curve to coincide;
S405, calculating and approving the advancing distance according to the advancing speed, wherein the difference value between the advancing distance and the moving distance of the first change curve is in an allowable range.
The contents of steps S401 to S405 are determined using the gamma value variation curves of the two windows, and since the two windows leave the reservoir at different times, it is possible to determine whether the drill bit leaves from the top surface of the reservoir or from the bottom surface of the reservoir by the time difference, as shown in fig. 7 and 8.
The specific judgment mode is that the leaving direction is determined according to the moving direction and the advancing direction of the first change curve, when the moving direction and the advancing direction of the first change curve are opposite, the leaving direction is far away from the top surface of the reservoir, and when the moving direction and the advancing direction of the first change curve are the same, the leaving direction is far away from the bottom surface of the reservoir.
Further, it is also necessary to construct a formation interface far from the reservoir and correct the allowable range of the difference between the advancing distance and the moving distance of the first variation curve according to the angle between the advancing direction and the constructed formation interface. The purpose of this step is to approve the judgment mode, and to further determine the accuracy of the judgment result.
The application also provides a dynamic real-time imaging device, which comprises:
The first data acquisition unit is used for continuously acquiring the ambient gamma value and generating a gamma value change curve in the horizontal or inclined advancing process, and when the ambient gamma value is continuously acquired, the number of the acquisition windows is multiple and the orientation of each acquisition window is unchanged;
A first determining unit for determining formation changes according to waveform changes of one of the gamma value change curves;
A second determining unit for determining formation changes and determining formation interfaces using waveform changes of the residual gamma value change curve;
And the image drawing unit is used for drawing an image based on the travelling route according to the obtained stratum interface.
Further, the method further comprises the following steps:
a second data acquisition unit for acquiring a slope change point of the gamma value change curve;
The first processing unit is used for tracking the change trend of the subsequent gamma value change curve from the occurrence time of the slope change point;
and the second processing unit is used for determining that the stratum changes when the numerical value of the subsequent gamma value change curve is stable or the range of the subsequent gamma value change curve fluctuates.
Further, the method further comprises the following steps:
A third data acquisition unit for acquiring a partial curve at a corresponding position on the residual gamma value variation curve;
The comparison unit is used for comparing the similarity of the subsequent gamma value change curve and the partial curve at the corresponding position on the residual gamma value change curve;
And the third processing unit is used for confirming that the range fluctuation of the subsequent gamma value change curve occurs when the similarity between the subsequent gamma value change curve and the partial curve at the corresponding position on the residual gamma value change curve meets the requirement.
Further, comparing the similarity of the subsequent gamma value variation curve with the partial curve at the corresponding position on the remaining gamma value variation curve includes shifting the subsequent gamma value variation curve or the partial curve at the corresponding position on the remaining gamma value variation curve on the time line.
Further, the method further comprises the following steps:
The first construction unit is used for constructing a stratum interface according to the position of the slope change point of each gamma value change curve when the subsequent gamma value change curve or a part of curves at the corresponding positions on the residual gamma value change curve are moved on the time line;
And a fourth processing unit, configured to adjust the advancing route according to the constructed formation interface and confirm the formation interface, wherein after confirming the formation interface, the time difference of the position of the slope change point of each gamma value change curve should be within the allowable range.
Further, the method further comprises the following steps:
The fourth data acquisition unit is used for selecting two windows and obtaining gamma value change curves of the two windows, and the two gamma value change curves are respectively recorded as a first gamma value change curve and a second gamma value change curve;
A fifth processing unit, configured to intercept a change portion on the first gamma value change curve, and record the change portion as a first change curve;
The sixth processing unit is used for intercepting a corresponding change part on the second gamma value change curve and recording the change part as a second change curve;
The seventh processing unit is used for placing the first change curve and the second change curve into the same coordinate system and moving the first change curve to enable the first change curve and the second change curve to coincide;
A confirmation unit for calculating and approving the advancing distance according to the advancing speed, wherein the difference between the advancing distance and the moving distance of the first change curve is in an allowable range;
and determining a leaving direction according to the moving direction and the advancing direction of the first change curve, wherein the leaving direction is far away from the top surface of the reservoir when the moving direction and the advancing direction of the first change curve are opposite, and the leaving direction is far away from the bottom surface of the reservoir when the moving direction and the advancing direction of the first change curve are the same.
Further, a formation interface is constructed away from the reservoir, and an allowable range of a difference between the advancing distance and the moving distance of the first change curve is corrected according to an included angle between the advancing direction and the constructed formation interface.
In one example, the elements in any of the above apparatus may be one or more integrated circuits configured to implement the above methods, such as one or more application specific integrated circuits (application specific integratedcircuit, ASICs), or one or more digital signal processors (DIGITAL SIGNAL processors, DSPs), or one or more field programmable gate arrays (field programmable GATE ARRAY, FPGAs), or a combination of at least two of these integrated circuit forms.
For another example, when the units in the apparatus may be implemented in the form of a scheduler of processing elements, the processing elements may be general-purpose processors, such as a central processing unit (central processing unit, CPU) or other processor that may invoke a program. For another example, the units may be integrated together and implemented in the form of a system-on-a-chip (SOC).
Various objects such as various messages/information/devices/network elements/systems/devices/actions/operations/processes/concepts may be named in the present application, and it should be understood that these specific names do not constitute limitations on related objects, and that the named names may be changed according to the scenario, context, or usage habit, etc., and understanding of technical meaning of technical terms in the present application should be mainly determined from functions and technical effects that are embodied/performed in the technical solution.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown 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 units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It should also be understood that in various embodiments of the present application, first, second, etc. are merely intended to represent that multiple objects are different. For example, the first time window and the second time window are only intended to represent different time windows. Without any effect on the time window itself, the first, second, etc. mentioned above should not impose any limitation on the embodiments of the present application.
It is also to be understood that in the various embodiments of the application, where no special description or logic conflict exists, the terms and/or descriptions between the various embodiments are consistent and may reference each other, and features of the various embodiments may be combined to form new embodiments in accordance with their inherent logic relationships.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a computer-readable storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. The computer readable storage medium includes various media capable of storing program codes, such as a USB flash disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk or an optical disk.
The application also provides an azimuth gamma probe, which comprises:
one or more memories for storing instructions, and
One or more processors configured to invoke and execute the instructions from the memory to perform the method as set forth above.
The application also provides a logging instrument comprising the azimuth gamma probe as described above.
The present application also provides a computer program product comprising instructions that, when executed, cause the azimuth gamma probe and the logging instrument to perform operations corresponding to the azimuth gamma probe and logging instrument of the above method.
The present application also provides a chip system comprising a processor for implementing the functions involved in the above, e.g. generating, receiving, transmitting, or processing data and/or information involved in the above method.
The chip system can be composed of chips, and can also comprise chips and other discrete devices.
The processor referred to in any of the foregoing may be a CPU, microprocessor, ASIC, or integrated circuit that performs one or more of the procedures for controlling the transmission of feedback information described above.
In one possible design, the system on a chip also includes memory to hold the necessary program instructions and data. The processor and the memory may be decoupled, and disposed on different devices, respectively, and connected by wired or wireless means, so as to support the chip system to implement the various functions in the foregoing embodiments. Or the processor and the memory may be coupled to the same device.
Optionally, the computer instructions are stored in a memory.
Alternatively, the memory may be a storage unit in the chip, such as a register, a cache, etc., and the memory may also be a storage unit in the terminal located outside the chip, such as a ROM or other type of static storage device, a RAM, etc., that may store static information and instructions.
It will be appreciated that the memory in the present application can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory.
The non-volatile memory may be a ROM, programmable ROM (PROM), erasable programmable ROM (erasable PROM, EPROM), electrically erasable programmable EPROM (EEPROM), or flash memory.
The volatile memory may be RAM, which acts as external cache. RAM is of a variety of different types, such as sram (STATIC RAM, SRAM), DRAM (DYNAMIC RAM, DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (doubledata RATE SDRAM, DDR SDRAM), enhanced SDRAM (ENHANCED SDRAM, ESDRAM), synchronous DRAM (SYNCH LINK DRAM, SLDRAM), and direct memory bus RAM.
The embodiments of the present application are all preferred embodiments of the present application, and are not limited in scope by the present application, so that all equivalent changes according to the structure, shape and principle of the present application are covered by the scope of the present application.
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| NO20220702A1 (en) * | 2020-01-29 | 2022-06-20 | Halliburton Energy Services Inc | Trajectory control for directional drilling using azimuthal gamma ray measurements |
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| CN113464121B (en) * | 2021-05-12 | 2023-08-25 | 中煤科工集团西安研究院有限公司 | Method for determining gamma geosteering drilling track of azimuth while drilling |
| CN114991762B (en) * | 2022-06-17 | 2025-03-11 | 中国石油大学(北京) | Autonomous boundary detection and guidance method and device for underground machine based on while drilling data |
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