Method and apparatus for determining the intensity of TSR reaction in a reservoir

Abstract

The present application discloses a method and device for determining the reaction intensity of TSR in a reservoir, which belongs to the technical field of oil and gas reservoirs. The method comprises: obtaining sulfate ions SO4 in the formation water of the target reservoir; 2‑ The concentration of chloride ions Cl ‑ Calculate the concentration of SO4 in the formation water of the target reservoir 2‑ The concentration value and Cl ‑ The ratio of the concentration values ​​of SO4 in the formation water of the target reservoir; 2‑ The concentration value and Cl ‑ The reaction intensity of the thermochemical sulfate reduction reaction TSR in the target reservoir is determined by the ratio of the concentration values ​​of . The present application can more accurately determine the reaction intensity of the TSR in the reservoir.

Description

Technical Field

[0001] The present application relates to the field of oil and gas reservoirs, and in particular to a method and device for determining the reaction intensity of TSR in a reservoir. Background Art

[0002] TSR (thermochemical sulfate reduction) often occurs in carbonate reservoirs rich in sulfate and at temperatures above 120°C. TSR generates H2S gas, which can accumulate in carbonate reservoirs. H2S is toxic and corrosive, and can severely corrode oil and gas pipelines. Accurately assessing the intensity of the TRS reaction in the reservoir allows for appropriate treatment measures.

[0003] Therefore, there is an urgent need for a method that can relatively accurately determine the TRS reaction intensity in the reservoir. Summary of the Invention

[0004] The present invention provides a method and apparatus for determining the TSR reaction intensity in a reservoir, which can more accurately determine the TSR reaction intensity in the reservoir. The technical solution is as follows:

[0005] In a first aspect, a method for determining the TSR reaction intensity in a reservoir is provided, the method comprising:

[0006] Obtain sulfate ions SO4 in the formation water of the target reservoir 2- The concentration of chloride ions Cl - The concentration value of

[0007] Calculate the SO4 in the formation water of the target reservoir 2- The concentration value and Cl - The ratio of the concentration values ​​of

[0008] According to the formation water SO4 2- The concentration value and Cl - The reaction intensity of the thermochemical sulfate reduction reaction TSR in the target reservoir is determined by the ratio of the concentration values ​​of

[0009] In a possible implementation, the method of obtaining SO4 in the formation water of the target reservoir is as follows: 2- The concentration value and Cl - Concentration values, including:

[0010] Obtain SO4 2- The concentration value and Cl - Wherein, M is an integer greater than 1;

[0011] Calculate the SO4 content in the formation water samples of the M production wells 2- The average value of the concentration value;

[0012] Calculate the Cl content in the formation water samples of the M production wells - The average value of the concentration value;

[0013] The SO4 2- The average concentration value of SO4 in the formation water of the target reservoir is used as the average concentration value of SO4 in the formation water of the target reservoir. 2- The concentration value of Cl in the formation water samples of the M production wells is - The ratio of the average concentration value of Cl in the formation water of the target reservoir is used as the - concentration value.

[0014] In a possible implementation, the SO4 2- The concentration value and Cl - Before the concentration value, the method further comprises:

[0015] Obtaining the hydrogen ion concentration index (PH), density, total dissolved solids (TDS), and water type of formation water samples from N production wells of the target reservoir, where N is an integer not less than M;

[0016] The SO4 2- The concentration value and Cl - Concentration values, including:

[0017] Obtain SO4 in formation water samples from the M production wells whose pH, density, TDS and water type all meet the preset screening conditions 2- The concentration value and Cl - concentration value.

[0018] In a possible implementation, the formation water sample is colorless, free of floating crude oil and solid particle impurities.

[0019] In a possible implementation, the SO4 2- The concentration value and Cl - The reaction intensity of TSR in the target reservoir is determined by the ratio of the concentration values ​​of

[0020] According to the formation water SO4 2- The concentration value and Cl - The ratio of the concentration value and the pre-stored SO4 2-The concentration value and Cl - The reaction intensity of TSR in the target reservoir is determined based on the correspondence between the ratio of the concentration values ​​and the TSR reaction intensity.

[0021] In a second aspect, a device for determining the reaction intensity of TSR in a reservoir is provided, the device comprising:

[0022] Acquisition module, used to obtain sulfate ions SO4 in the formation water of the target reservoir 2- The concentration of chloride ions Cl - The concentration value of

[0023] A calculation module is used to calculate the SO4 2- The concentration value and Cl - The ratio of the concentration values ​​of

[0024] A determination module is used for determining SO4 2- The concentration value and Cl - The reaction intensity of the thermochemical sulfate reduction reaction TSR in the target reservoir is determined by the ratio of the concentration values ​​of

[0025] In a possible implementation, the acquisition module is configured to:

[0026] Obtain SO4 2- The concentration value and Cl - Wherein, M is an integer greater than 1;

[0027] Calculate the SO4 content in the formation water samples of the M production wells 2- The average value of the concentration value;

[0028] Calculate the Cl content in the formation water samples of the M production wells - The average value of the concentration value;

[0029] The SO4 2- The average concentration value of SO4 in the formation water of the target reservoir is used as the average concentration value of SO4 in the formation water of the target reservoir. 2- The concentration value of Cl in the formation water samples of the M production wells is - The ratio of the average concentration value of Cl in the formation water of the target reservoir is used as the - concentration value.

[0030] In a possible implementation, the acquisition module is configured to:

[0031] Obtaining density, total dissolved solids (TDS), and water type of formation water samples from N production wells of the target reservoir, where N is an integer not less than M;

[0032] Obtain SO4 in formation water samples from M production wells whose density, total dissolved solids (TDS) and water type meet the preset screening conditions. 2- The concentration value and Cl - concentration value.

[0033] In a possible implementation, the formation water sample is colorless, free of floating crude oil and solid particle impurities.

[0034] In a possible implementation, the determining module is configured to:

[0035] According to the formation water SO4 2- The concentration value and Cl - The ratio of the concentration value and the pre-stored SO4 2- The concentration value and Cl - The TSR reaction intensity of the target reservoir is determined based on the correspondence between the ratio of the concentration values ​​and the TSR reaction intensity.

[0036] In a third aspect, a computer device is provided, comprising a processor and a memory, wherein the memory stores at least one instruction, and the instruction is loaded and executed by the processor to implement the method for determining the TSR reaction intensity in a reservoir as described in the first aspect.

[0037] In a fourth aspect, a computer-readable storage medium is provided, characterized in that the storage medium stores at least one instruction, which is loaded and executed by a processor to implement the method for determining the TSR reaction intensity in a reservoir as described in the first aspect above.

[0038] The beneficial effects of the technical solution provided in the embodiments of the present application are as follows:

[0039] When TSR occurs in the reservoir, H2S is produced. H2S dissolves in water, or combines with Fe ions in the formation to form pyrite, or is directly incorporated into crude oil and solid asphalt to form sulfur-containing organic compounds. Therefore, it is not accurate to judge the TSR reaction intensity based solely on the H2S content. - The concentration is relatively stable, SO4 2- In the TSR process, it is converted into H2S. Then, the greater the reaction intensity of TSR, the SO4 2- / Cl - In summary, the method provided in the embodiment of the present application can more accurately determine the reaction intensity of TSR. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0041] Figure 1 This is a flow chart of a method for determining the reaction intensity of TSR in a reservoir provided in an embodiment of the present application;

[0042] Figure 2 This is a SO4 provided in the embodiment of the present application. 2- / Cl - Schematic diagram of the corresponding relationship with H2S content;

[0043] Figure 3 This is a SO4 provided in the embodiment of the present application. 2- / Cl - Schematic diagram of the corresponding relationship between TAs content;

[0044] Figure 4 Schematic diagram of the structure of a device for determining the reaction intensity of TSR in a reservoir provided in an embodiment of the present application. DETAILED DESCRIPTION

[0045] In order to make the objectives, technical solutions and advantages of this application clearer, the implementation methods of this application will be further described in detail below with reference to the accompanying drawings.

[0046] The present invention provides a method for determining the reaction intensity of TSR in a reservoir by measuring the SO4 2- (sulfate ion) concentration and Cl - The concentration value of (chloride ion) can be used to analyze the TSR reaction intensity in the reservoir.

[0047] Figure 1 This is a flow chart of a method for determining the reaction intensity of TSR in a reservoir provided in an embodiment of the present application. Figure 1 , the embodiment includes:

[0048] Step 201: Obtain SO4 in the formation water of the target reservoir 2- The concentration value and Cl - concentration value.

[0049] Among them, the target reservoir is a carbonate reservoir whose TSR reflection intensity is to be tested.

[0050] During implementation, technicians can collect formation water from the target reservoir at the target reservoir location and detect SO4 in the bottom water. 2- The concentration value and Cl - concentration value.

[0051] When collecting bottom water from the target reservoir, technicians can follow the following methods:

[0052] S2011, obtain SO4 in formation water samples from N production wells of the target reservoir 2- The concentration value and Cl - wherein N is an integer greater than 1.

[0053] A technician can collect a certain amount of formation water samples from the wellheads of N production wells in the target reservoir and place the water samples collected from different production wells into different containers. The technician can also label the N containers differently. For example, the technician can affix labels with different numbers to the outer walls of the N containers.

[0054] The marking of the container by the technician mentioned herein can be performed after the container is filled with formation water, or before the container is filled with formation water.

[0055] The container may be a transparent plastic bottle, and the certain amount may be about 0.5L.

[0056] Next, the formation water samples in the N containers are allowed to stand for a period of time. For example, the formation water samples are allowed to stand for 1 hour. If crude oil appears in the upper layer of the formation water after standing, the crude oil floating in the upper layer is removed.

[0057] Then, the formation water samples after the floating crude oil is removed from the N containers are filtered to remove other water-insoluble impurities in the formation water samples.

[0058] Next, the formation water samples in the N containers, after removing water-insoluble impurities, are tested for pH (hydrogen ion concentration). Specifically, the pH of the formation water samples can be tested using a pH indicator, pH test paper, or a pH meter. Formation water samples that do not meet a preset screening condition are rejected. For example, the preset screening condition for pH may be a pH greater than 5 and less than 10. In other words, formation water samples with a pH less than 5 or greater than 10 are rejected.

[0059] For formation water samples whose pH meets the corresponding preset screening criteria, an ion chromatograph is used to determine the density and total dissolved solids (TDS) of each formation water sample. Formation water samples that do not meet the preset screening criteria are then eliminated. In other words, contaminated formation water samples are eliminated. Specifically, the criteria for determining whether a formation water sample is contaminated can be shown in Table 1 below.

[0060] Table 1

[0061] Serial number Conditions for judging whether formation water is contaminated 1 <![CDATA[with a density less than 1000 kg / m 3 (kilograms per cubic meter)]]> 2 TDS is less than 35g / L (grams per liter) 3 <![CDATA[The water type is not the CaCl2 type]]>

[0062] Table 1 shows the conditions for judging whether the formation water is contaminated. Accordingly, the preset screening conditions for density, TDS and water type can be density not less than 1000 kg / m 3 , TDS is not more than 35g / L and the water type is CaCl2 type.

[0063] If a formation water sample meets any of the criteria in Table 1, it can be determined to be contaminated and removed, resulting in the remaining formation water samples in the M containers. In other words, the formation water samples in the M containers that meet the preset screening criteria for density, TDS, and water type are selected. For ease of description, the formation water samples in the M containers are referred to below as M groups of formation water samples.

[0064] S2012, calculate the SO4 in the above M group of formation water samples 2- The average of the concentration values.

[0065] For the M group of formation water samples screened above, calculate their SO4 2- The average value of the concentration value X.

[0066]

[0067] Among them, X1 is the SO4 content of the formation water in the container labeled 1 2- X2 is the concentration of SO4 in the formation water in the container labeled 2. 2- concentration, and so on.

[0068] S2013. Calculate the Cl content in the above-mentioned M group of formation water samples. - The average of the concentration values.

[0069] For the N groups of formation water samples screened above, calculate their Cl - The average value Y of the concentration values.

[0070] The average value of the concentration value X.

[0071]

[0072] Where Y1 is the Cl content of the formation water in the container labeled 1. 2- Y2 is the concentration of Cl in the formation water in the container labeled 2. 2- concentration, and so on.

[0073] S2014, the SO4 2- The average concentration of Cl in the formation water samples of group M is - The ratio of the average concentration values ​​of SO4 2- The concentration of Cl - concentration value.

[0074] Step 202: Calculate the SO4 content in the formation water of the target reservoir. 2- The concentration value and Cl - The target ratio of the concentration values.

[0075] In practice, SO4 2- The concentration of Cl in the formation water of the target reservoir is divided by - The concentration value is obtained to obtain the target ratio X / Y.

[0076] Step 203: Determine the TSR reaction intensity in the target reservoir according to the target ratio.

[0077] During implementation, technicians can pre-establish SO4 2- The concentration value and Cl - The corresponding relationship between the ratio of the concentration values ​​and the TSR reaction intensity is shown in Table 2 below:

[0078] Table 2

[0079] <![CDATA[SO4 2- / Cl - ]]> ≥0.144 0.144～0.01 0.01～0.0025 ＜0.0025 TSR reaction intensity none weak medium powerful

[0080] In the formation water of the target reservoir, SO4 2- The concentration value and Cl - After determining the target ratio of the concentration values, the above correspondence table can be queried to determine the TSR reaction intensity corresponding to the target ratio as the TSR reaction intensity in the target reservoir.

[0081] The following is about the use of SO4 2- / Cl - To analyze the feasibility of judging the TSR reaction intensity in the reservoir.

[0082] S301, obtain the SO4 content in the formation water sample of the P production well of a known reservoir 2- The concentration value and Cl -Wherein, P is an integer greater than 1.

[0083] Technicians can collect a certain amount of formation water samples at the wellheads of Q production wells in a known reservoir and place the water samples collected from different production wells in different containers, where Q is greater than or equal to P. The formation water samples in the Q containers are then allowed to stand for a period of time. If crude oil appears in the upper layer of the formation water after standing, the floating crude oil is removed. The Q containers' formation water samples, after removing the floating crude oil, are then filtered to remove other insoluble impurities.

[0084] Next, the formation water samples in the Q containers, after removing water-insoluble impurities, are subjected to a pH test. Specifically, the pH of the formation water samples can be tested using a pH indicator, pH test paper, or a pH meter. Formation water samples that do not meet a preset screening condition are rejected. For example, the preset screening condition for pH may be a pH greater than 5 and less than 10. In other words, formation water samples with a pH less than 5 or greater than 10 are rejected.

[0085] For formation water samples whose pH meets the corresponding preset screening criteria, the density and TDS of each formation water sample are determined using an ion chromatograph. Formation water samples that do not meet the corresponding preset screening criteria are then eliminated. In other words, contaminated formation water samples are eliminated. Specifically, the criteria for determining whether a formation water sample is contaminated can be as shown in Table 1 above.

[0086] If a formation water sample meets any of the criteria in Table 1, it can be determined to be contaminated and removed, resulting in the formation water samples in the remaining P containers. In other words, the formation water samples in the M containers that meet the preset screening criteria for density, TDS, and water type are selected.

[0087] S302. For each formation water sample in a container, calculate its SO4 2- The concentration value and Cl - The ratio of the concentration values ​​of . And obtain the H2S content and TAs (thioadamantane) content in the above-mentioned P production well.

[0088] Here, the H2S content and TAs content in the P-port production well can be obtained by technicians through querying the logging data of the known reservoir or field measurement.

[0089] S303, for each production well, the SO4 2- The concentration value and Cl - The ratio of the concentration values ​​(SO4 2- / Cl -) and H2S content as a set of data, and based on each set of data, a corresponding relationship between the ratio and the H2S content is established.

[0090] Specifically, the established correspondence can be as follows Figure 2 shown.

[0091] See also Figure 2 , SO4 2- / Cl - It has a high negative correlation with H2S content, with a correlation coefficient of R 2 =0.6884, indicating that part of the SO4 in the formation water is converted into H2S during the TSR reaction.

[0092] S304, for each production well, the SO4 2- The concentration value and Cl - The ratio of the concentration values ​​(SO4 2- / Cl - ) and TAs content as a set of data, and establish the corresponding relationship between the ratio and TAs content.

[0093] Specifically, the corresponding relationship can be as follows Figure 3 shown.

[0094] See also Figure 3 , SO4 2- / Cl - It also has a high negative correlation with TAs content, with a correlation coefficient of R 2 =0.6189, indicating that part of SO4 in formation water 2- After being converted into H2S during the TSR reaction, it continues to react with crude oil to form TAs.

[0095] From the above two corresponding relationships, we can draw the following conclusions: SO4 2- / Cl - It is an effective indicator for evaluating the TSR reaction intensity of the reservoir, and the SO4 2- / Cl - The lower the value, the higher the TSR reaction intensity of the reservoir. - The concentration is relatively stable, so SO4 2- / Cl - Compared with only SO4 2- The concentration can be judged with better accuracy.

[0096] Based on the same technical concept, the embodiment of the present application also provides a device for determining the reaction intensity of TSR in a reservoir, such as Figure 4 As shown, the device includes:

[0097] Acquisition module 410 is used to obtain sulfate ions SO4 in the formation water of the target reservoir 2- The concentration of chloride ions Cl - The concentration value of

[0098] Calculation module 420, for calculating the SO4 2- The concentration value and Cl - The ratio of the concentration values ​​of

[0099] The determination module 430 is used to determine the SO4 2- The concentration value and Cl - The reaction intensity of the thermochemical sulfate reduction reaction TSR in the target reservoir is determined by the ratio of the concentration values ​​of

[0100] In a possible implementation, the acquisition module 410 is configured to:

[0101] Obtain SO4 2- The concentration value and Cl - Wherein, M is an integer greater than 1;

[0102] Calculate the SO4 content in the formation water samples of the M production wells 2- The average value of the concentration value;

[0103] Calculate the Cl content in the formation water samples of the M production wells - The average value of the concentration values;

[0104] The SO4 2- The average concentration value of SO4 in the formation water of the target reservoir is used as the average concentration value of SO4 in the formation water of the target reservoir. 2- The concentration value of Cl in the formation water samples of the M production wells is - The ratio of the average concentration value of Cl in the formation water of the target reservoir is used as the - concentration value.

[0105] In a possible implementation, the acquisition module 410 is configured to:

[0106] Obtaining density, total dissolved solids (TDS), and water type of formation water samples from N production wells of the target reservoir, where N is an integer not less than M;

[0107] Obtain SO4 in formation water samples from M production wells whose density, total dissolved solids (TDS) and water type meet the preset screening conditions. 2- The concentration value and Cl - concentration value.

[0108] In a possible implementation, the formation water sample is colorless, free of floating crude oil and solid particle impurities.

[0109] In a possible implementation, the determining module 430 is configured to:

[0110] According to the formation water SO4 2- The concentration value and Cl - The ratio of the concentration value and the pre-stored SO4 2- The concentration value and Cl - The TSR reaction intensity of the target reservoir is determined based on the correspondence between the ratio of the concentration values ​​and the TSR reaction intensity.

[0111] It should be noted that the apparatus for determining the reaction intensity of TSR in a reservoir provided in the above-mentioned embodiment uses the division of the aforementioned functional modules as an example only. In actual applications, the aforementioned functions can be assigned to different functional modules as needed, i.e., the internal structure of the apparatus can be divided into different functional modules to perform all or part of the functions described above. Furthermore, the apparatus for determining the reaction intensity of TSR in a reservoir provided in the above-mentioned embodiment and the method for determining the reaction intensity of TSR in a reservoir provide the same concept. The specific implementation process is detailed in the method embodiment and will not be further described here.

[0112] Figure 4 FIG2 shows a block diagram of a computer device 500 provided by an exemplary embodiment of the present application. The computer device 500 may be a laptop computer, a desktop computer, etc.

[0113] Typically, the computer device 500 includes a processor 501 and a memory 502 .

[0114] The processor 501 may include one or more processing cores, such as a 4-core processor, an 8-core processor, etc. The processor 501 may be implemented in at least one hardware form of DSP (Digital Signal Processing), FPGA (Field-Programmable Gate Array), or PLA (Programmable Logic Array). The processor 501 may also include a main processor and a coprocessor. The main processor is a processor for processing data in the awake state, also known as a CPU (Central Processing Unit); the coprocessor is a low-power processor for processing data in the standby state. In some embodiments, the processor 501 may be integrated with a GPU (Graphics Processing Unit), which is responsible for rendering and drawing the content to be displayed on the display screen. In some embodiments, the processor 501 may also include an AI (Artificial Intelligence) processor, which is used to process computing operations related to machine learning.

[0115] Memory 502 may include one or more computer-readable storage media, which may be non-transitory. Memory 502 may also include high-speed random access memory and non-volatile memory, such as one or more magnetic disk storage devices or flash memory storage devices. In some embodiments, the non-transitory computer-readable storage medium in memory 502 is used to store at least one instruction, which is executed by processor 501 to implement the method for determining the reaction intensity of TSR in a reservoir provided in the method embodiments of the present application.

[0116] In some embodiments, computer device 500 may optionally include a peripheral device interface 503 and at least one peripheral device. Processor 501, memory 502, and peripheral device interface 503 may be connected via a bus or signal lines. Each peripheral device may be connected to peripheral device interface 503 via a bus, signal lines, or circuit boards. Specifically, the peripheral device may include at least one of a radio frequency circuit 504, a display screen 505, a camera assembly 506, an audio circuit 507, a positioning assembly 508, and a power supply 509.

[0117] The peripheral device interface 503 can be used to connect at least one I / O (Input / Output)-related peripheral device to the processor 501 and the memory 502. In some embodiments, the processor 501, the memory 502, and the peripheral device interface 503 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 501, the memory 502, and the peripheral device interface 503 can be implemented on separate chips or circuit boards, which is not limited in this embodiment.

[0118] The radio frequency circuit 504 is used to receive and transmit RF (Radio Frequency) signals, also known as electromagnetic signals. The radio frequency circuit 504 communicates with communication networks and other communication devices via electromagnetic signals. The radio frequency circuit 504 converts electrical signals into electromagnetic signals for transmission, or converts received electromagnetic signals into electrical signals. Optionally, the radio frequency circuit 504 includes: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a user identity module card, etc. The radio frequency circuit 504 can communicate with other terminals via at least one wireless communication protocol. Such wireless communication protocols include, but are not limited to, metropolitan area networks, various generations of mobile communication networks (2G, 3G, 4G, and 5G), wireless local area networks, and / or WiFi (Wireless Fidelity) networks. In some embodiments, the radio frequency circuit 504 may also include circuits related to NFC (Near Field Communication), which is not limited in this application.

[0119] Display screen 505 is used to display a user interface (UI). This UI may include graphics, text, icons, videos, or any combination thereof. When display screen 505 is a touchscreen display, it is also capable of collecting touch signals on or above the surface of display screen 505. These touch signals can be input as control signals to processor 501 for processing. In this case, display screen 505 can also be used to provide virtual buttons and / or a virtual keyboard, also known as soft buttons and / or a soft keyboard. In some embodiments, there can be a single display screen 505, located on the front panel of computer device 500. In other embodiments, there can be at least two display screens 505, located on different surfaces of computer device 500 or in a foldable design. In still other embodiments, display screen 505 can be a flexible display screen, located on a curved or foldable surface of computer device 500. Furthermore, display screen 505 can be configured as a non-rectangular, irregular shape, also known as a special-shaped screen. Display screen 505 can be an LCD (Liquid Crystal Display) or an OLED (Organic Light-Emitting Diode).

[0120] The camera assembly 506 is used to capture images or videos. Optionally, the camera assembly 506 includes a front camera and a rear camera. Typically, the front camera is arranged on the front panel of the terminal, and the rear camera is arranged on the back of the terminal. In some embodiments, there are at least two rear cameras, which are any one of a main camera, a depth of field camera, a wide-angle camera, and a telephoto camera, so as to realize the fusion of the main camera and the depth of field camera to realize the background blur function, the fusion of the main camera and the wide-angle camera to realize panoramic shooting and VR (Virtual Reality) shooting function or other fusion shooting functions. In some embodiments, the camera assembly 506 may also include a flash. The flash can be a single-color temperature flash or a dual-color temperature flash. A dual-color temperature flash refers to a combination of a warm light flash and a cold light flash, which can be used for light compensation under different color temperatures.

[0121] The audio circuit 507 may include a microphone and a speaker. The microphone is used to collect sound waves from the user and the environment, and convert the sound waves into electrical signals that are input into the processor 501 for processing, or input into the radio frequency circuit 504 to achieve voice communication. For the purpose of stereo sound collection or noise reduction, multiple microphones may be provided, each located in different parts of the computer device 500. The microphone may also be an array microphone or an omnidirectional collection microphone. The speaker is used to convert electrical signals from the processor 501 or the radio frequency circuit 504 into sound waves. The speaker may be a traditional thin film speaker or a piezoelectric ceramic speaker. When the speaker is a piezoelectric ceramic speaker, it can not only convert electrical signals into sound waves audible to humans, but also convert electrical signals into sound waves inaudible to humans for purposes such as distance measurement. In some embodiments, the audio circuit 507 may also include a headphone jack.

[0122] The positioning component 508 is used to locate the current geographic location of the computer device 500 to implement navigation or LBS (Location Based Service). The positioning component 508 can be a positioning component based on the US GPS (Global Positioning System), China's Beidou system, Russia's Greninja system, or the European Union's Galileo system.

[0123] Power supply 509 is used to power various components in computer device 500. Power supply 509 can be AC ​​power, DC power, a disposable battery, or a rechargeable battery. When power supply 509 includes a rechargeable battery, the rechargeable battery can support wired charging or wireless charging. The rechargeable battery can also be used to support fast charging technology.

[0124] Those skilled in the art will understand that Figure 4 The structure shown in the figure does not constitute a limitation on the computer device 500, and the computer device 500 may include more or fewer components than shown in the figure, or combine some components, or adopt a different component arrangement.

[0125] Those skilled in the art will understand that all or part of the steps to implement the above embodiments may be accomplished by hardware, or by a program to instruct the relevant hardware, and the program may be stored in a computer-readable storage medium, which may be a read-only memory, a disk, or an optical disk, etc.

[0126] The above description is merely an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A method for determining the reaction intensity of TSR in a reservoir, characterized in that: The method comprises: Obtain N formation water samples corresponding to N production wells in the target reservoir; Allowing the N formation water samples to stand, and removing crude oil floating on the N formation water samples; filtering the N formation water samples after standing to remove water-insoluble impurities in the N formation water samples; Performing a hydrogen ion concentration index pH test on the N filtered formation water samples to obtain N pH values; Using an ion chromatograph to determine the corresponding density, total dissolved solids (TDS), and water type of the N formation water samples whose pH values ​​meet preset conditions, and screening out contaminated formation water samples based on the density, TDS, and water type corresponding to the formation water samples to obtain the remaining M formation water samples, where M is an integer greater than 1 and N is an integer not less than M; Calculate the sulfate ion SO4 in the M formation water samples 2- The concentration of chloride ion Cl - The concentration value, hydrogen sulfide H2S content and thioadamantane TAs content; Calculate the SO4 in the M formation water samples 2- The concentration value and Cl - The ratio of the concentration values ​​of Establishing a first corresponding relationship between the ratio and the H2S content, and a second corresponding relationship between the ratio and the TAs content; The reaction intensity of the thermochemical sulfate reduction reaction TSR in the target reservoir is determined according to the first corresponding relationship and the second corresponding relationship.

2. The method according to claim 1, characterized in that The method further comprises: Calculate the SO4 content in the formation water samples of the M production wells 2- The average value of the concentration value; Calculate the Cl content in the formation water samples of the M production wells - The average value of the concentration value; The SO4 2- The average concentration value of SO4 in the formation water of the target reservoir is used as the average concentration value of SO4 in the formation water of the target reservoir. 2- The concentration value of Cl in the formation water samples of the M production wells is - The average value of the concentration value is used as the Cl - concentration value.

3. The method according to claim 2, characterized in that The formation water sample is colorless, contains no floating crude oil, and contains no solid particle impurities.

4. The method according to any one of claims 1 to 3, characterized in that According to the formation water SO4 2- The concentration value and Cl - The reaction intensity of TSR in the target reservoir is determined by the ratio of the concentration values ​​of According to the formation water SO4 2- The concentration value and Cl - The ratio of the concentration value and the pre-stored SO4 2- The concentration value and Cl - The reaction intensity of TSR in the target reservoir is determined based on the correspondence between the ratio of the concentration values ​​and the TSR reaction intensity.

5. A device for determining the reaction intensity of TSR in a reservoir, characterized in that The device comprises: An acquisition module is configured to acquire N formation water samples corresponding to N production wells of a target reservoir; allow the N formation water samples to stand to remove crude oil floating on the upper layers of the N formation water samples; filter the N formation water samples after standing to remove water-insoluble impurities in the N formation water samples; perform a hydrogen ion concentration index (PH) test on the N filtered formation water samples to obtain N PH values; determine the corresponding density, total dissolved solids (TDS), and water type of the N formation water samples whose PH values ​​meet preset conditions using an ion chromatograph, and screen out the contaminated formation water samples based on the density, TDS, and water type corresponding to the formation water samples to obtain the remaining M formation water samples, where M is an integer greater than 1 and N is an integer not less than M; and calculate the sulfate ion SO4 in the M formation water samples. 2- The concentration of chloride ion Cl - The concentration value, hydrogen sulfide H2S content and thioadamantane TAs content; A calculation module is used to calculate the SO4 2- The concentration value and Cl - The ratio of the concentration values ​​of a module for establishing a first correspondence between the ratio and the H2S content, and a second correspondence between the ratio and the TAs content; A determination module is used to determine the reaction intensity of the thermochemical sulfate reduction reaction TSR in the target reservoir according to the first corresponding relationship and the second corresponding relationship.

6. The device according to claim 5, characterized in that The acquisition module is used to: Calculate the SO4 content in the formation water samples of the M production wells 2- The average value of the concentration value; Calculate the Cl content in the formation water samples of the M production wells - The average value of the concentration value; The SO4 2- The average concentration value of SO4 in the formation water of the target reservoir is used as the average concentration value of SO4 in the formation water of the target reservoir. 2- The concentration value of Cl in the formation water samples of the M production wells is - The average value of the concentration value is used as the Cl - concentration value.

7. The device according to claim 6, characterized in that The formation water sample is colorless, contains no floating crude oil, and contains no solid particle impurities.

8. The device according to any one of claims 5 to 7, characterized in that The determining module is configured to: According to the formation water SO4 2- The concentration value and Cl - The ratio of the concentration value and the pre-stored SO4 2- The concentration value and Cl - The TSR reaction intensity of the target reservoir is determined based on the correspondence between the ratio of the concentration values ​​and the TSR reaction intensity.

9. A computer device, characterized in that: The computer device includes a processor and a memory, wherein the memory stores at least one instruction, and the instruction is loaded and executed by the processor to implement the operation performed by the method for determining the TSR reaction intensity in a reservoir according to any one of claims 1 to 4.

10. A computer-readable storage medium, characterized in that The storage medium stores at least one instruction, which is loaded and executed by the processor to implement the operation performed by the method for determining the TSR reaction intensity in a reservoir according to any one of claims 1 to 4.

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