CN215196749U - Control equipment and system for acid liquor preparation in oilfield operation - Google Patents
Control equipment and system for acid liquor preparation in oilfield operation Download PDFInfo
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- CN215196749U CN215196749U CN202121316084.1U CN202121316084U CN215196749U CN 215196749 U CN215196749 U CN 215196749U CN 202121316084 U CN202121316084 U CN 202121316084U CN 215196749 U CN215196749 U CN 215196749U
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Abstract
The embodiment of the utility model provides a controlgear and system for acidizing fluid preparation of oil field operation, this equipment includes: the acid liquor raw material supply device, the acid liquor solvent supply device, the first driving execution device, the acid liquor mixing device and the acid liquor discharge device; one end of the first driving execution device is connected with the processor, the other end of the first driving execution device is connected with the acid liquor raw material supply device and the acid liquor solvent supply device, reagent output ports of the acid liquor raw material supply device and the acid liquor solvent supply device are connected with a reagent input port of the acid liquor mixing device, and a reagent output port of the acid liquor mixing device is connected with a reagent input port of the acid liquor discharge device; the first driving execution device controls the output of the acid liquor raw material and the acid liquor solvent, the acid liquor mixing device fully stirs the acid liquor raw material and the acid liquor solvent, and finally the acid liquor discharging device conveys the target acid liquor to an oilfield operation site, so that the acid liquor can be immediately prepared and used, and the supply and demand balance of the acid liquor is further achieved.
Description
Technical Field
The utility model relates to an oil field operation field especially relates to a controlgear and system that is used for oil field operation's acidizing fluid preparation.
Background
At present, in the process of oil field operation, the permeability of stratum pores and cracks is improved by the dissolution and corrosion of acid liquor on rock cement or plugs in the stratum pores and cracks, so that the purposes of increasing production and injection of oil and gas wells are achieved.
Wherein, matrix acidizing means that acid liquor is injected into the stratum under the condition that the pressure is lower than the fracture pressure of the rock, and the permeability of an oil layer in a larger range near a shaft is recovered or improved by means of the corrosion action of the acid liquor; the fracturing acidification is to inject acid liquor into the stratum under the pressure higher than the fracture pressure of the rock, and the fracture with high flow conductivity is formed by the uneven corrosion of the acid liquor on the wall material of the fracture.
In realizing the utility model discloses an in-process, it has following problem at least to discover to exist among the correlation technique: because a large amount of acid liquor is needed in the acidification process, in order to ensure normal construction on site when acid liquor is configured in a traditional factory, acid liquor with more than normal required amount needs to be configured in advance, so that the waste of the acid liquor is caused, the configuration cost of the acid liquor is increased, and because the manual operation is adopted when the acid liquor is configured, the concentration of the acid liquor is not accurate enough, and the effects of increasing the yield and increasing the injection are not improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a controlgear and system for oilfield operation's acidizing fluid preparation to solve among the prior art because a large amount of acidizing fluids are required in the acidizing technology, for guaranteeing on-the-spot normal construction during traditional mill configuration acidizing fluid, need dispose the acidizing fluid more than normal demand in advance, thereby lead to the waste of acidizing fluid, increase the configuration cost of acidizing fluid, and because be artifical manually operation when disposing the acidizing fluid, can lead to acidizing fluid concentration not accurate enough, be unfavorable for improving the output increase, the technical problem of the effect of increasing the injection.
In order to solve the above technical problem, the embodiment of the present invention is implemented as follows:
in a first aspect, an embodiment of the present invention provides a control device for acid liquor preparation in oil field operations, including: the acid solution mixing device comprises a processor, an acid solution raw material supply device, an acid solution solvent supply device, a first driving execution device, an acid solution mixing device and an acid solution discharge device; one end of the first driving execution device is connected with the processor, the other end of the first driving execution device is connected with the acid liquor raw material supply device and the acid liquor solvent supply device, reagent output ports of the acid liquor raw material supply device and the acid liquor solvent supply device are connected with a reagent input port of the acid liquor mixing device, and a reagent output port of the acid liquor mixing device is connected with a reagent input port of the acid liquor discharge device;
the first driving execution device is used for controlling the acid liquor raw material supply device to supply the acid liquor raw material with a first flow rate to the acid liquor mixing device and controlling the acid liquor solvent supply device to supply the acid liquor solvent with a second flow rate to the acid liquor mixing device under the control of the processor;
the acid liquid mixing device is used for mixing the acid liquid raw material with the first flow rate and the acid liquid solvent with the second flow rate under the control of the processor to obtain a mixed target acid liquid, and conveying the target acid liquid to the acid liquid discharging device;
the acid liquor discharging device is used for conveying the target acid liquor to an industrial field of oilfield operation.
In a second aspect, an embodiment of the present invention provides a control system for acid solution preparation in oil field operations, the control system includes: an oilfield stimulation operation device and a control device for acid liquor preparation for oilfield operations as described in the first aspect.
The embodiment of the utility model provides an in controlgear and system for oilfield operation's acidizing fluid preparation, this equipment includes: the acid solution mixing device comprises a processor, an acid solution raw material supply device, an acid solution solvent supply device, a first driving execution device, an acid solution mixing device and an acid solution discharge device; one end of the first driving execution device is connected with the processor, the other end of the first driving execution device is connected with the acid liquor raw material supply device and the acid liquor solvent supply device, reagent output ports of the acid liquor raw material supply device and the acid liquor solvent supply device are connected with a reagent input port of the acid liquor mixing device, and a reagent output port of the acid liquor mixing device is connected with a reagent input port of the acid liquor discharge device; specifically, by arranging an acid liquid raw material supply device, an acid liquid solvent supply device, an acid liquid mixing device and an acid liquid discharge device, under the control of a processor, the acid liquid raw material supply device is controlled by a first driving execution device to convey an acid liquid raw material with a first flow rate to the acid liquid mixing device, the acid liquid solvent supply device is controlled to convey an acid liquid solvent with a second flow rate to the acid liquid mixing device, under the control of the processor, the acid liquid raw material with the first flow rate and the acid liquid solvent with the second flow rate are mixed in the acid liquid mixing device to obtain a mixed target acid liquid, the target acid liquid is conveyed to the acid liquid discharge device, the target acid liquid is conveyed to an industrial site of oilfield operation by the acid liquid discharge device, namely, the output of the acid liquid raw material and the acid liquid solvent is controlled by the first driving execution device, and the acid liquid mixing device fully stirs the acid liquid raw material and the acid liquid solvent, finally, the acid liquor discharging device conveys the target acid liquor to an oil field operation site, so that the required target acid liquor is automatically provided for the target acidification process on the oil field operation site, and the acid liquor can be prepared and used immediately, so that the required acid liquor can be quantitatively mixed, and the supply and demand balance of the acid liquor is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic view of an application scenario of a control system for acid liquor preparation in oilfield operations according to an embodiment of the present invention;
fig. 2 is a first specific structural schematic diagram of a control device for acid liquor preparation in oilfield operations according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a second specific structure of a control device for acid liquor preparation in oilfield operations according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a third specific structure of a control device for acid liquor preparation in oilfield operations according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a fourth specific structure of a control device for acid liquor preparation in oilfield operations according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a control system for acid liquor preparation in oilfield operations according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
The embodiment of the utility model provides a controlgear and system for acidizing fluid preparation of oil field operation, this equipment includes: the acid solution mixing device comprises a processor, an acid solution raw material supply device, an acid solution solvent supply device, a first driving execution device, an acid solution mixing device and an acid solution discharge device; one end of the first driving execution device is connected with the processor, the other end of the first driving execution device is connected with the acid liquor raw material supply device and the acid liquor solvent supply device, reagent output ports of the acid liquor raw material supply device and the acid liquor solvent supply device are connected with a reagent input port of the acid liquor mixing device, and a reagent output port of the acid liquor mixing device is connected with a reagent input port of the acid liquor discharge device; specifically, by arranging an acid liquid raw material supply device, an acid liquid solvent supply device, an acid liquid mixing device and an acid liquid discharge device, under the control of a processor, the acid liquid raw material supply device is controlled by a first driving execution device to convey an acid liquid raw material with a first flow rate to the acid liquid mixing device, the acid liquid solvent supply device is controlled to convey an acid liquid solvent with a second flow rate to the acid liquid mixing device, under the control of the processor, the acid liquid raw material with the first flow rate and the acid liquid solvent with the second flow rate are mixed in the acid liquid mixing device to obtain a mixed target acid liquid, the target acid liquid is conveyed to the acid liquid discharge device, the target acid liquid is conveyed to an industrial site of oilfield operation by the acid liquid discharge device, namely, the output of the acid liquid raw material and the acid liquid solvent is controlled by the first driving execution device, and the acid liquid mixing device fully stirs the acid liquid raw material and the acid liquid solvent, finally, the acid liquor discharging device conveys the target acid liquor to an oil field operation site, so that the required target acid liquor is automatically provided for the target acidification process on the oil field operation site, and the acid liquor can be prepared and used immediately, so that the required acid liquor can be quantitatively mixed, and the supply and demand balance of the acid liquor is achieved.
The embodiment of the utility model provides a control system for oilfield operation's acidizing fluid preparation can use in the application scene as shown in fig. 1, fig. 1 is including the controlgear and the multiple target acidizing technology that are used for oilfield operation's acidizing fluid preparation, wherein, this target acidizing technology can be the pickling, matrix acidizing, and arbitrary kind in the fracture acidizing, this target acidizing technology can also be relevant with the stratum structure simultaneously, also can be relevant with at least one item in the operation parameter and the equipment model of oil field production increase operating mode equipment, when concrete implementation, the stratum structure on oilfield operation scene can be that the treater is based on setting up the collection signal automatic determination of presetting the sensor in the stratum inside, also can be that the treater is based on that the selection input signal of user on the touch-control display screen confirms. In fig. 1, the control device for acid liquor preparation comprises: the acid solution mixing device comprises a processor, an acid solution raw material supply device, an acid solution solvent supply device, a first driving execution device, an acid solution mixing device and an acid solution discharge device; one end of the first driving execution device is connected with the processor, the other end of the first driving execution device is connected with the acid liquor raw material supply device and the acid liquor solvent supply device, reagent output ports of the acid liquor raw material supply device and the acid liquor solvent supply device are connected with a reagent input port of the acid liquor mixing device, and a reagent output port of the acid liquor mixing device is connected with a reagent input port of the acid liquor discharge device; for example, the target acidification process of the current oilfield operation is i, and the corresponding target acid liquid is i; the processor determines the concentration of a target acid liquid based on a target acidification process, controls the first driving execution device to convey an acid liquid raw material with a first flow rate from the acid liquid raw material supply device to the acid liquid mixing device and controls the acid liquid solvent supply device to convey an acid liquid solvent with a second flow rate to the acid liquid mixing device based on the concentration parameter of the target acid liquid, the acid liquid mixing device mixes the acid liquid raw material with the first flow rate and the acid liquid solvent with the second flow rate under the control of the processor to obtain a mixed target acid liquid, conveys the target acid liquid to the acid liquid discharge device, conveys the target acid liquid to an industrial site of oilfield operation by the acid liquid discharge device, and can solve the problem that a large amount of acid liquid is needed in the acidification process, and more acid liquid needs to be configured in advance than a normal required amount to guarantee normal construction of the site when the acid liquid is configured in a traditional factory, therefore, the problem of acid liquor waste and the problem of increasing the configuration cost of the acid liquor can be solved, and the problems that the concentration of the acid liquor is not accurate enough due to manual operation during acid liquor configuration, and meanwhile, the concentration of the acid liquor cannot be flexibly adjusted according to the stratum change condition of a well site in real time, and the effects of increasing the yield and increasing the injection are not favorably improved can be solved.
Fig. 2 is a schematic structural diagram of a control device for acid liquor preparation in oilfield operations according to an embodiment of the present invention, as shown in fig. 2, the control device includes: a processor 202, an acid material supply device 204, an acid solvent supply device 206, a first drive actuator 208, an acid mixing device 210, and an acid discharge device 212; wherein, one end of the first driving actuator 208 is connected to the processor 202, the other end of the first driving actuator 208 is connected to the acid solution raw material supplier 204 and the acid solution solvent supplier 206, the reagent outlets of the acid solution raw material supplier 204 and the acid solution solvent supplier 206 are connected to the reagent inlet of the acid solution mixer 210, and the reagent outlet of the acid solution mixer 210 is connected to the reagent inlet of the acid solution discharger 212;
the first drive actuator 208 is configured to control the acid material supply device 204 to supply a first flow rate of acid material to the acid mixing device 210 and control the acid solvent supply device 206 to supply a second flow rate of acid solvent to the acid mixing device 210 under the control of the processor 202;
the acid liquid mixing device 210 is configured to mix the acid liquid raw material having the first flow rate and the acid liquid solvent having the second flow rate under the control of the processor 202 to obtain a mixed target acid liquid, and to deliver the target acid liquid to the acid liquid discharging device 212;
the acid liquid discharging device 212 is configured to deliver the target acid liquid to an industrial site of oilfield operations. In an embodiment, the acid solution discharging device 212 may include: the acid liquor discharge device comprises a driving device and an executing device, wherein the driving device can be driven by any one of direct motor driving, diesel driving and electric driving, the executing device can be a volume device or other executing devices, and the driving device controls the discharge amount of target acid liquor by driving the rotating speed of the executing device;
further, when the acid liquid discharging device 212 discharges the target acid liquid, the target acid liquid may be discharged to a buffer tank to store the prepared acid liquid, or the target acid liquid may be directly discharged to an acidification pump truck and discharged to an oilfield operation site by the acidification pump truck.
Further, as shown in fig. 3, the acid material supply device 204 includes an acid material storage device 2042, an acid material suction device 2044, and a first flow rate adjusting device 2046; the acid solvent supply means 206 comprises an acid solvent storage means 2062, an acid solvent suction means 2064, and a second flow rate adjusting means 2066; wherein, one end of the acid liquid raw material suction device 2044 is connected to the acid liquid raw material storage device 2042, and the other end is connected to the acid liquid mixing device 210 through the first flow regulating device 2046; one end of the acid solvent suction device 2064 is connected to the acid solvent storage device 2062, and the other end is connected to the acid mixing device 210 via a second flow rate adjusting device 2066; the first actuating device 208 is connected to the processor 202 at one end and connected to the acid material suction device 2044, the first flow rate adjusting device 2046, the acid solvent suction device 2064, and the second flow rate adjusting device 2066 at the other end.
In specific implementation, the acid material suction device 2044 and the acid solvent suction device 2064 may be pump-type devices or other execution devices; the first flow rate adjusting device 2046 and the second flow rate adjusting device 2066 may be any one of various actuators that are pneumatically driven to adjust, electrically driven to adjust, and hydraulically driven to adjust; the driving mode of the first driving execution device 208 can be any one of direct motor driving, diesel driving and liquid driving and electric driving; specifically, the first driving actuator 208 controls the adding pressure of the acid liquid raw material and the acid liquid solvent by driving the acid liquid raw material suction device 2044 and the acid liquid solvent suction device 2064; the first actuator 208 also controls the addition flow rates of the acid material and the acid solvent by actuating the first flow rate adjuster 2046 and the second flow rate adjuster 2066.
The concentration of the target acid liquor is determined according to different target acidification processes in oilfield operation, specifically, the target acidification process can be any one of acid washing, matrix acidification and fracture acidification, and can be related to a stratum structure at the same time or at least one of operation parameters and equipment models of oilfield production increasing working condition equipment, and the concentrations of the acid liquor required by different acidification processes are different.
Specifically, the processor 202 controls the acid material supply device 204 to supply the acid material with a first flow rate to the acid mixing device 210 and controls the acid solvent supply device 206 to supply the acid solvent with a second flow rate to the acid mixing device 210 based on a concentration parameter of the target acid solution required by the target acidification process; the acid liquid mixing device 210 mixes the acid liquid raw material with a first flow rate and the acid liquid solvent with a second flow rate under the control of the processor 202 to obtain a mixed target acid liquid, and transmits the target acid liquid to the acid liquid discharging device 212; and then the acid liquor discharging device 212 is used for conveying the target acid liquor to an industrial site of oilfield operation.
Specifically, the addition amount of the acid solution raw material and/or the acid solution solvent of the target acid solution may be determined by a thousandth ratio addition manner, a percentage addition manner, or a flow addition manner.
In specific implementation, the movable wheels are arranged at the bottom of the shell of the control device for acid liquor preparation in oilfield operation, so that the control device for acid liquor preparation can be freely moved to the current operation site of a target process according to the actual oilfield operation requirements.
In the embodiment of the present invention, by providing the acid material supply device 204, the acid solvent supply device 206, the acid mixing device 210, and the acid liquid discharge device 212, under the control of the processor 202, the first driving execution device 208 controls the acid material supply device 204 to deliver the acid material with a first flow rate to the acid mixing device 210, and controls the acid solvent supply device 206 to deliver the acid solvent with a second flow rate to the acid mixing device 210, and under the control of the processor 202, the acid material with the first flow rate and the acid solvent with the second flow rate are mixed in the acid mixing device 210 to obtain the mixed target acid liquid, and the target acid liquid is delivered to the acid liquid discharge device 212, the target acid liquid is delivered to the industrial site of the oilfield operation by the acid liquid discharge device 212, that is, the output of the acid material and the acid solvent is controlled by the first driving execution device 208, the acid liquor mixing device 210 fully stirs the acid liquor raw material and the acid liquor solvent, and finally the acid liquor discharging device 212 conveys the target acid liquor to the oilfield operation site, so that the required target acid liquor is automatically provided for the target acidification process on the oilfield operation site, and the required acid liquor can be quantitatively mixed due to the fact that the acid liquor is ready to be prepared, and the supply and demand balance of the acid liquor is achieved; in addition, a sensor for acquiring field acidification process parameters and a touch display screen for receiving a user touch signal can be additionally arranged, the sensor transmits the acquired signal for representing the field acidification process parameters to the processor 202, or the touch display screen transmits the signal for representing the field acidification process parameters to the processor 202 based on the touch signal input by a worker, the processor 202 receives and determines the currently selected target acidification process based on the signal for representing the field process parameters, and automatically determines the addition proportion and the addition amount of the acid liquor raw material and the acid liquor solvent according to the concentration of the target acid liquor required by the target acidification process, so that the change of the target acidification process is combined, the acid liquor concentration is flexibly adjusted, and the accurate control of the acid liquor concentration during acid liquor preparation is realized.
Further, in order to sufficiently mix the acid solution raw material and the acid solution solvent, the acid solution mixing device 210 includes: the device comprises a closed mixing tank, a stirrer and a liquid level sensor;
the closed mixing tank is configured to mix the acid solution raw material having the first flow rate and the acid solution solvent having the second flow rate under the control of the processor 202 to obtain an initial target acid solution, and deliver the target acid solution stirred by the stirrer to the acid solution discharge device 212;
the stirrer is used for fully stirring the acid liquor raw material and the acid liquor solvent in the closed mixing tank under the control of the processor 202 to obtain a final target acid liquor;
the liquid level sensor is used for detecting a liquid level signal of the mixed target acid liquid in the closed mixing tank and transmitting the liquid level signal to the processor 202;
the processor 202 is configured to receive a liquid level signal of a target acid solution, and determine whether a liquid level of the target acid solution in the closed mixing tank is within a preset controllable range based on the liquid level signal.
In specific implementation, the processor 202 may determine a target liquid level expected to be reached by the target acid liquid in the closed mixing tank according to the concentration value of the target acid liquid, determine whether a difference between the target liquid level and an actual liquid level currently reached by the target acid liquid, which is determined based on a liquid level signal acquired by the liquid level sensor, is smaller than a preset threshold, and if so, determine that the liquid level of the target acid liquid in the closed mixing tank is within a preset controllable range, where the concentration value of the target acid liquid is determined based on a currently selected target acidification process; if not, determining that the liquid level of the target acid liquid in the closed mixing tank is not within the preset controllable range, and automatically adjusting the opening size of the first flow regulating device 2046 and/or the second flow regulating device 2066 according to the target liquid level so as to enable the target acid liquid to reach a required concentration value, wherein the liquid level sensor detects a liquid level signal in the closed mixing tank in real time, transmits the liquid level signal to the processor 202, and judges whether the liquid level of the target acid liquid is within the preset controllable range or not based on the liquid level signal; further, the processor 202 is further configured to determine whether the liquid level of the target acid solution is lower than a lowest preset liquid level value, and if so, send an early warning signal to the acid solution discharging device 212, so that the acid solution discharging device 212 stops working, thereby playing a role in protecting the acid solution discharging device 212.
Further, in consideration of a large amount of acid gas generated during the acid solution preparation, the acid solution mixing device 210 further includes: the spraying pipe is arranged at the acid gas output port of the closed mixing tank;
the spray pipe is used for preliminarily eliminating acid gas discharged when the acid liquor raw material and the acid liquor solvent are mixed in the closed mixing tank. Specifically, the spray pipe may be connected to the top of the closed mixing tank from the output port of the acid solution storage device 2062, so as to eliminate the acid gas in the closed mixing tank.
Further, in order to effectively eliminate a large amount of acid gas generated during the acid liquor preparation, which causes harm to people and pollution to the environment, as shown in fig. 4, the control apparatus further includes an acid gas eliminating device 402; the acid gas removing device 402 is disposed at the acid gas outlet of the acid liquid mixing device 210;
the acid gas eliminating device 402 is used for eliminating the acid gas discharged by the acid liquid mixing device 210 when mixing the acid liquid raw material and the acid liquid solvent.
Specifically, the acid gas removal device 402 includes: the device comprises a circulating device 4022, a negative pressure device 4024, an aeration device 4026 and an acid-base neutralization tank 4028;
the above circulation device 4022 is configured to suck the alkaline liquid from the acid and alkaline neutralization tank 4028 and circularly deliver the alkaline liquid to the negative pressure device 4024 and the aeration device 4026 under the control of the processor 202, and in a specific implementation, the circulation device may include: the driving device can be any one of direct motor driving, diesel driving and electric driving, the executing device can be circulating pump equipment or other executing equipment, and the driving device controls the suction of the alkaline liquid through the rotating speed of the driving executing device;
the negative pressure device 4024 is configured to adsorb the acid gas discharged from the acid gas discharge port of the acid liquid mixing device 210, and neutralize the acid gas once based on the alkaline liquid delivered by the circulation device 4022 to obtain a first residual acid gas, in a specific implementation, the negative pressure device 4024 may be a venturi tube type structure, the circulation device 4022 sucks the alkaline liquid from the acid-base neutralization tank 4028 to form a pressure, and the negative pressure device 4024 generates a negative pressure to perform the functions of adsorbing and assisting the acid gas;
the gas explosion device 4026 is configured to perform gas explosion treatment on the first residual acid gas conveyed by the negative pressure device 4024 to obtain an acid gas after gas explosion, and perform secondary neutralization on the acid gas after gas explosion based on the alkaline liquid conveyed by the circulation device 4022 to obtain a second residual acid gas; in specific implementation, the gas explosion device 4026 changes large bubbles into small bubbles, and then conveys the small bubbles to the acid-base neutralization tank 4028 for reaction.
The acid-base neutralization tank 4028 is configured to neutralize the second residual acid gas three times based on a pre-stored basic liquid to sufficiently eliminate the acid gas.
Further, in order to automatically add the required chemical additives during the preparation of the target acid solution, as shown in fig. 5, the control device further includes: chemical addition device 502; wherein the chemical adding device 502 is disposed at the additive input port of at least one of the acid solution raw material supply device 204, the acid solution solvent supply device 206, the acid solution mixing device 210, and the acid solution discharge device 212;
the chemical adding device 502 is used for automatically preparing chemical additives required by the acidification process under the control of the processor 202; and the chemical additives are input into at least one reagent input port of the acid liquor raw material supply device 204, the acid liquor solvent supply device 206, the acid liquor mixing device 210 and the acid liquor discharge device 212.
Specifically, the chemical adding device 502 includes: a second driving actuator 5022 and a chemical additive storage 5024; wherein the chemical additive storage unit 5024 comprises a plurality of containers for storing different types of chemical additives, the second driving actuator 5022 is connected to the processor 202 and the chemical additive storage unit 5024, and the reagent outlets of the plurality of containers are connected to the reagent inlets of at least one of the acid feedstock supply device 204, the acid solvent supply device 206, the acid mixing device 210 and the acid discharge device 212;
the processor 202 is configured to determine identification information of at least one target container to be opened based on a reagent type of a chemical additive that needs to be added when the target acid solution is prepared; determining the addition amount of a target chemical additive to be added based on the preparation amount required by the target acid solution; and transmits a corresponding reagent addition control signal to the second drive actuator 5022 based on the identification information of the target container and the amount of addition of the target chemical additive; specifically, the addition amount of the target chemical additive may be determined by a thousandth ratio addition manner, a percentage addition manner, or a flow rate addition manner, and the reagent addition control signal carries identification information of the target container and the addition amount of the target chemical additive.
The second driving actuator 5022 is configured to receive the reagent addition control signal and control the opening of the reagent output port of the target container, so as to provide the target chemical additive to at least one of the acid solution raw material supplier 204, the acid solution solvent supplier 206, the acid solution mixer 210 and the acid solution discharger 212 according to the addition amount.
Further, the plurality of containers for storing different types of chemical additives in the chemical additive storage unit 5024 may include a liquid chemical additive storage container and a powder chemical additive storage container; the second driving actuator 5022 may include a first driving device, a first actuator, a second driving device, and a screw conveyor; one end of the first execution device is connected with the first driving device, and the other end of the first execution device is arranged at a reagent output port of the liquid chemical additive storage container; one end of the spiral conveying device is connected with the second driving device, and the other end of the spiral conveying device is arranged at a reagent output port of the powder chemical additive storage container; the first driving device and the second driving device are respectively connected with the processor 202; in specific implementation, the driving mode of the first driving device and the second driving device can be any one of direct motor driving, diesel driving and liquid driving and electric driving; the first actuator may be a volume-type device, or other actuator;
specifically, the first driving device controls the addition amount of the target liquid chemical additive by driving the rotation speed of the first execution device;
further, in order to improve the accuracy of flow control of the liquid chemical additive, the control device further includes: the flow sensor is arranged at the reagent output ports of the liquid chemical additive storage containers;
the flow sensor is configured to monitor a flow output signal of the target liquid chemical additive and transmit the flow output signal to the processor 202;
the processor 202 is configured to determine whether the flow rate of the target liquid chemical additive is within a preset adding range of the target liquid chemical additive based on the flow rate output signal;
the second driving device controls the addition amount of the target powder additive by driving the rotating speed of the spiral conveying device; further, a weighing and metering device may be disposed below the chemical additive storage container for powder, and is configured to monitor an actual addition amount of the target dry powder material, and transmit a first indication signal for indicating the actual addition amount to the processor 202, and when it is determined based on the first indication signal that a difference between the actual addition amount of the target powder additive and the target addition amount of the target powder additive is greater than a preset threshold, the processor 202 sends a corresponding control signal to the screw conveyor to adjust a rotation speed of the screw conveyor to correct the actual addition amount of the target powder additive; further, the screw conveyer is also provided with a rotating speed metering device for monitoring the actual rotating speed of the screw conveyer and transmitting a second indicating signal for indicating the actual rotating speed to the processor 202, the processor 202 judges whether the addition amount of the powder additive is within a preset controllable range or not based on the second indicating signal, and if not, the actual rotating speed of the screw conveyer is continuously adjusted; further, a butterfly valve device is arranged below the powder chemical additive storage container, the butterfly valve device is connected with the processor 202 through a driving device, and the driving device controls the opening of the butterfly valve by receiving a powder chemical additive adding signal sent by the processor 202.
Further, in order to improve the accuracy of the flow rate control of the control apparatus, the control apparatus further includes: a flow sensor; the flow sensor is arranged at least one reagent output port of the acid liquor raw material supply device 204, the acid liquor solvent supply device 206 and the acid liquor discharge device 212;
the flow sensor is configured to detect a flow signal of at least one of the acid solution raw material, the acid solution solvent, and the target acid solution, and transmit the flow signal to the processor 202;
the processor 202 is configured to receive the flow signal, and determine whether at least one of a flow rate of the acid liquid raw material, a flow rate of the acid liquid solvent, and a flow rate of the target acid liquid is within a preset flow rate range based on the flow signal; if not, an abnormal warning signal is sent out, or at least one of the flow of the acid liquor raw material, the flow of the acid liquor solvent and the flow of the target acid liquor is adjusted.
Further, in order to improve the pressure control accuracy of the control device, the control device further includes a pressure sensor disposed at least one of the acid material supply device 204, the acid solvent supply device 206, and the acid liquid discharge device 212;
the pressure sensor is used for detecting a pressure signal of at least one of the acid liquor raw material, the acid liquor solvent and the target acid liquor and transmitting the pressure signal to the processor;
the processor 202 is configured to receive the pressure signal, and determine whether at least one of the pressure of the acid liquid raw material, the pressure of the acid liquid solvent, and the pressure of the target acid liquid is within a preset pressure range based on the pressure signal; if not, an abnormal warning signal is sent out, or at least one of the pressure of the acid liquor raw material, the pressure of the acid liquor solvent and the pressure of the target acid liquor is adjusted.
Further, in specific implementation, the processor 202 may select a control manner of the acid liquid discharging device 212 according to a requirement of a working condition, which may include any one of pressure control, flow control, and liquid level control in an associated closed mixing tank, in the process, the acid liquid material supplying device 204 and the acid liquid solvent supplying device 206 are operated in association; the processor 202 may select the control modes of the acid solution raw material supply device 204 and the acid solution solvent supply device 206 according to the requirements of the working conditions, and may include any one of the control modes of the liquid level in the associated closed mixing tank and the flow control in the associated acid solution discharge device 212.
Further, the control device further includes: the manifold device is used for conveying all liquid in the control equipment for preparing the acid liquor.
Further, in order to improve the convenience of the manual control of the oilfield operation staff on the target acidification process and improve the manual setting efficiency of the target acidification process, on the basis, the control equipment further comprises: a touch-sensitive display screen connected to the processor 202;
the touch display screen is configured to receive a user touch signal input by a target user and used for indicating a target acidification process, and transmit the user touch signal to the processor 202;
the processor 202 is configured to determine a concentration and a preparation amount of the target acid solution required by the target acidification process based on the received user touch signal.
In addition, the touch-controllable display screen not only provides a user with a selection and inputs a user touch signal corresponding to the current target acidification process, but also can display relevant operation information of the control equipment for acid liquor preparation, so that the target user can check the real-time operation condition of the control equipment for acid liquor preparation in real time, and based on the situation, the processor 202 is also used for transmitting the relevant operation information of the control equipment for acid liquor preparation to the touch-controllable display screen; wherein the related job information may include: at least one of adding information of acid liquor raw materials, adding information of acid liquor solvent, reagent type information of chemical additives required to be added, adding amount information of target chemical additives to be added, target acid liquor discharge flow direction information and target acid liquor discharge amount information;
the touch display screen is configured to receive the relevant operation information of the control device for acid solution preparation transmitted by the processor 202, and display the relevant operation information of the control device for acid solution preparation according to a preset display interface.
Specifically, specific elements and interface styles included in the preset display interface may be set in advance according to actual needs, and the preset display interface may be divided into a function selection area and an information display area, for example, the function selection area includes interface elements such as icons for representing a target acidification process and various function control keys, and the information display area is used for displaying relevant operation information of the control device for acid liquor preparation and a variation trend graph of each key parameter.
In addition, the processor 202 is further configured to transmit relevant operation information of the control device for acid liquid preparation to the control device for acid liquid preparation, so that the control device for acid liquid preparation knows the current operation condition.
Further, in order to facilitate remote control of the automatic acid solution preparation process by oilfield operation workers, the control device further comprises: a wireless communication module, through which the processor 202 is connected to a user terminal in a communication manner;
the wireless communication module is configured to receive a terminal control signal, which is sent by a user terminal and used for indicating relevant operation information corresponding to the control device for acid liquor preparation, and transmit the terminal control signal to the processor 202;
the processor 202 is configured to automatically operate a control device for acid liquid preparation based on the terminal control signal.
The embodiment of the present invention provides a mobile terminal with a wireless communication function, including but not limited to a smart phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, and a wearable device, which is described with reference to a common smart phone as an example; specifically, a user can control the control equipment for acid liquid preparation through a local touch display screen and can control the control equipment for acid liquid preparation through a remote user terminal, so that the control flexibility of acid liquid preparation in the oil field operation process is improved.
Further, in order to facilitate monitoring of relevant data of the control device for acid liquor preparation by the oilfield operation staff in different places, based on this, the processor 202 is further configured to transmit relevant operation information of the control device for acid liquor preparation to the wireless communication module; wherein the related job information may include: at least one of adding information of acid liquor raw materials, adding information of acid liquor solvent, reagent type information of chemical additives required to be added, adding amount information of target chemical additives to be added, target acid liquor discharge flow direction information and target acid liquor discharge amount information;
the wireless communication module is used for receiving relevant operation information of the control equipment for acid liquor preparation and sending the relevant operation information to the user terminal so that the user terminal can display the relevant operation information according to a preset display interface.
The display interface of the user terminal can be the same as that of the touch display screen or different from that of the touch display screen, and specifically, the user terminal can install the package in advance according to the application program for rendering the preset display interface, so that the user terminal can display the oil field operation key information required to be checked by users, such as the real-time running condition of the control equipment for acid liquid preparation and the like in a diversified manner according to the target acidification process requirement in the oil field operation.
The embodiment of the utility model provides an in controlgear that is used for acidizing fluid preparation of oil field operation, this equipment includes: a processor 202, an acid material supply device 204, an acid solvent supply device 206, a first drive actuator 208, an acid mixing device 210, and an acid discharge device 212; one end of the first actuating device 208 is connected to the processor 202, the other end of the first actuating device 208 is connected to the acid material supply device 204 and the acid solvent supply device 206, the reagent output ports of the acid material supply device 204 and the acid solvent supply device 206 are connected to the reagent input port of the acid mixing device 210, and the reagent output port of the acid mixing device 210 is connected to the reagent input port of the acid discharge device 212.
Further, the control mode of the processor 202 may be a split type, interconnected through a communication mode, or an integral type control system; wherein, various measuring devices can directly measure current, voltage and pulse through a bus mode or a control device; furthermore, the control system also supports various wireless and wired remote data monitoring, acquisition and control and forms the integrated control of the oilfield equipment.
In the utility model, by providing the acid liquor raw material supply device 204, the acid liquor solvent supply device 206, the acid liquor mixing device 210, and the acid liquor discharge device 212, under the control of the processor 202, the first driving execution device 208 controls the acid liquor raw material supply device 204 to deliver the acid liquor raw material with a first flow rate to the acid liquor mixing device 210, and controls the acid liquor solvent supply device 206 to deliver the acid liquor solvent with a second flow rate to the acid liquor mixing device 210, and under the control of the processor 202, the acid liquor raw material with the first flow rate and the acid liquor solvent with the second flow rate are mixed in the acid liquor mixing device 210 to obtain the mixed target acid liquor, and the target acid liquor is delivered to the acid liquor discharge device 212, the target acid liquor is delivered to the industrial site of the oilfield operation by the acid liquor discharge device 212, the first driving execution device 208 controls the output of the acid liquor raw material and the acid liquor solvent, the acid liquor mixing device 210 fully stirs the acid liquor raw material and the acid liquor solvent, and finally the acid liquor discharging device 212 conveys the target acid liquor to the oilfield operation site, so that the required target acid liquor is automatically provided for the target acidification process at the oilfield operation site, and the required acid liquor can be quantitatively mixed due to the fact that the ready-to-use preparation of the acid liquor is realized, and the supply and demand balance of the acid liquor is achieved; in addition, a sensor for acquiring field acidification process parameters and a touch display screen for receiving a user touch signal can be additionally arranged, the sensor transmits the acquired signal for representing the field acidification process parameters to the processor 202, or the touch display screen transmits the signal for representing the field acidification process parameters to the processor 202 based on the touch signal input by a worker, the processor 202 receives and determines the currently selected target acidification process based on the signal for representing the field process parameters, and automatically determines the addition proportion and the addition amount of the acid liquor raw material and the acid liquor solvent according to the concentration of the target acid liquor required by the target acidification process, so that the change of the target acidification process is combined, the acid liquor concentration is flexibly adjusted, and the accurate control of the acid liquor concentration during acid liquor preparation is realized.
Based on the same technical concept, the utility model also provides a control system for acidizing fluid preparation of oil field operation, as shown in fig. 6, this control system includes: oilfield stimulation working condition equipment and control equipment for acid liquor preparation in oilfield operation as shown in figures 2 to 5;
wherein, the controlgear of above-mentioned acidizing fluid preparation includes: the acid solution mixing device comprises a processor, an acid solution raw material supply device, an acid solution solvent supply device, a first driving execution device, an acid solution mixing device and an acid solution discharge device; one end of the first driving execution device is connected with the processor, the other end of the first driving execution device is connected with the acid liquor raw material supply device and the acid liquor solvent supply device, reagent output ports of the acid liquor raw material supply device and the acid liquor solvent supply device are connected with a reagent input port of the acid liquor mixing device, and a reagent output port of the acid liquor mixing device is connected with a reagent input port of the acid liquor discharge device; specifically, by arranging the acid liquid raw material supply device and the acid liquid solvent supply device, under the control of the processor, the first driving execution device is used for controlling the acid liquid raw material supply device to convey the acid liquid raw material with a first flow rate to the acid liquid mixing device, the acid liquid solvent supply device is controlled to convey the acid liquid solvent with a second flow rate to the acid liquid mixing device, under the control of the processor, the acid liquid raw material with the first flow rate and the acid liquid solvent with the second flow rate are mixed in the acid liquid mixing device to obtain a mixed target acid liquid, the target acid liquid is conveyed to the acid liquid discharge device, the acid liquid discharge device is used for conveying the target acid liquid to an industrial site of oilfield operation, namely the first driving execution device is used for controlling the output of the acid liquid raw material and the acid liquid solvent, and the acid liquid mixing device is used for fully stirring the acid liquid raw material and the acid liquid solvent, finally, the acid liquor discharging device conveys the target acid liquor to an oil field operation site, so that the required target acid liquor is automatically provided for the target acidification process on the oil field operation site, and the acid liquor can be prepared and used immediately, so that the required acid liquor can be quantitatively mixed, and the supply and demand balance of the acid liquor is achieved.
It should be noted that, the embodiment of the present invention regarding the control system for preparing acid solution for oil field operation and the embodiment of the present invention regarding the control device for preparing acid solution for oil field operation are based on the same inventive concept, so the specific implementation of this embodiment can refer to the implementation of the corresponding control device, and the repeated descriptions are omitted.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that: the embodiments of the present invention have been described above with reference to the accompanying drawings for illustrating the technical solutions of the present invention, but the present invention is not limited to the above-mentioned embodiments, and the protection scope of the present invention is not limited thereto, and the above-mentioned embodiments are only illustrative and not restrictive, and although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the present invention. Are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A control device for acid liquor preparation for oilfield operations, comprising: the acid solution mixing device comprises a processor, an acid solution raw material supply device, an acid solution solvent supply device, a first driving execution device, an acid solution mixing device and an acid solution discharge device;
one end of the first driving execution device is connected with the processor, the other end of the first driving execution device is connected with the acid liquor raw material supply device and the acid liquor solvent supply device, reagent output ports of the acid liquor raw material supply device and the acid liquor solvent supply device are connected with a reagent input port of the acid liquor mixing device, and a reagent output port of the acid liquor mixing device is connected with a reagent input port of the acid liquor discharge device;
the first driving execution device is used for controlling the acid liquor raw material supply device to supply the acid liquor raw material with a first flow rate to the acid liquor mixing device and controlling the acid liquor solvent supply device to supply the acid liquor solvent with a second flow rate to the acid liquor mixing device under the control of the processor;
the acid liquid mixing device is used for mixing the acid liquid raw material with the first flow rate and the acid liquid solvent with the second flow rate under the control of the processor to obtain a mixed target acid liquid, and conveying the target acid liquid to the acid liquid discharging device;
the acid liquor discharging device is used for conveying the target acid liquor to an industrial field of oilfield operation.
2. The control apparatus of claim 1, wherein the acid mixing device comprises: the device comprises a closed mixing tank, a stirrer and a liquid level sensor;
the closed mixing tank is used for mixing the acid liquor raw material with the first flow rate and the acid liquor solvent with the second flow rate under the control of the processor to obtain an initial target acid liquor, and conveying the target acid liquor stirred by the stirrer to the acid liquor discharge device;
the stirrer is used for fully stirring the acid liquor raw material and the acid liquor solvent in the closed mixing tank under the control of the processor to obtain a final target acid liquor;
the liquid level sensor is used for detecting a liquid level signal of the mixed target acid liquid in the closed mixing tank and transmitting the liquid level signal to the processor;
the processor is used for receiving the liquid level signal of the target acid liquid and judging whether the liquid level of the target acid liquid in the closed mixing tank is within a preset controllable range or not based on the liquid level signal.
3. The control apparatus of claim 2, wherein the acid mixing device further comprises: the spraying pipe is arranged at the acid gas output port of the closed mixing tank;
the spray pipe is used for preliminarily eliminating acid gas discharged when the acid liquor raw material and the acid liquor solvent are mixed in the closed mixing tank.
4. The control apparatus according to claim 1, characterized by further comprising: an acid gas elimination device; the acid gas eliminating device is arranged at an acid gas outlet of the acid liquid mixing device;
the acid gas eliminating device is used for eliminating acid gas discharged by the acid liquid mixing device when the acid liquid raw material and the acid liquid solvent are mixed.
5. The control apparatus of claim 4, wherein the acid gas elimination device comprises: the device comprises a circulating device, a negative pressure device, an air explosion device and an acid-base neutralization tank;
the circulating device is used for sucking alkaline liquid from the acid-base neutralization tank and circularly conveying the alkaline liquid to the negative pressure device and the gas explosion device under the control of the processor;
the negative pressure device is used for adsorbing the acid gas discharged from the acid gas discharge port of the acid liquid mixing device and neutralizing the acid gas once based on the alkaline liquid conveyed by the circulating device to obtain a first residual acid gas;
the gas explosion device is used for carrying out gas explosion treatment on the first residual acid gas conveyed by the negative pressure device to obtain the acid gas after gas explosion, and carrying out secondary neutralization on the acid gas after gas explosion based on the alkaline liquid conveyed by the circulating device to obtain a second residual acid gas;
and the acid-base neutralization tank is used for neutralizing the second residual acid gas for three times based on pre-stored alkaline liquid so as to fully eliminate the acid gas.
6. The control apparatus according to claim 1, characterized by further comprising: a chemical adding device; the chemical adding device is arranged at an additive input port of at least one of the acid liquor raw material supply device, the acid liquor solvent supply device, the acid liquor mixing device and the acid liquor discharging device;
the chemical addition device is used for automatically preparing chemical additives required by the target acid liquid under the control of the processor; and inputting the chemical additive into a reagent input port of at least one of the acid liquor raw material supply device, the acid liquor solvent supply device, the acid liquor mixing device and the acid liquor discharge device.
7. The control apparatus according to claim 6, wherein the chemical addition means includes: a second driving execution device and a chemical additive storage device; the chemical additive storage device comprises a plurality of containers for storing different types of chemical additives, the second driving execution device is respectively connected with the processor and the chemical additive storage device, and reagent output ports of the containers are communicated with at least one reagent input port of the acid liquor raw material supply device, the acid liquor solvent supply device, the acid liquor mixing device and the acid liquor discharge device;
the processor is used for determining identification information of at least one target container to be opened based on the reagent type of the chemical additive required to be added during preparation of the target acid solution; determining the addition amount of a target chemical additive to be added based on the preparation amount required by the target acid solution; sending a corresponding reagent adding control signal to the second driving execution device based on the identification information of the target container and the adding amount of the target chemical additive;
the second driving execution device is used for receiving the reagent adding control signal and controlling a reagent output port of the target container to be opened so as to provide the target chemical additive for at least one of the acid liquor raw material supply device, the acid liquor solvent supply device, the acid liquor mixing device and the acid liquor discharge device according to the adding amount.
8. The control apparatus according to claim 1, characterized by further comprising: a flow sensor; the flow sensor is arranged at least one reagent output port in the acid liquor raw material supply device, the acid liquor solvent supply device and the acid liquor discharge device;
the flow sensor is used for detecting a flow signal of at least one of the acid liquor raw material, the acid liquor solvent and the target acid liquor and transmitting the flow signal to the processor;
the processor is configured to receive the flow signal, and determine whether at least one of the flow rate of the acid liquid raw material, the flow rate of the acid liquid solvent, and the flow rate of the target acid liquid is within a preset flow rate range based on the flow signal.
9. The control apparatus according to claim 1, characterized by further comprising: a pressure sensor provided at least one of the acid material supply device, the acid solvent supply device, and the acid solution discharge device;
the pressure sensor is used for detecting a pressure signal of at least one of the acid liquor raw material, the acid liquor solvent and the target acid liquor and transmitting the pressure signal to the processor;
the processor is configured to receive the pressure signal, and determine whether at least one of the pressure of the acid liquid raw material, the pressure of the acid liquid solvent, and the pressure of the target acid liquid is within a preset pressure range based on the pressure signal.
10. A control system for acid liquor preparation for oilfield operations, comprising: an oilfield stimulation operation device and a control device for acid production for oilfield operations as claimed in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121316084.1U CN215196749U (en) | 2021-06-11 | 2021-06-11 | Control equipment and system for acid liquor preparation in oilfield operation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121316084.1U CN215196749U (en) | 2021-06-11 | 2021-06-11 | Control equipment and system for acid liquor preparation in oilfield operation |
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| CN215196749U true CN215196749U (en) | 2021-12-17 |
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| CN202121316084.1U Active CN215196749U (en) | 2021-06-11 | 2021-06-11 | Control equipment and system for acid liquor preparation in oilfield operation |
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