CN113058500A - Drilling fluid preparation equipment and drilling fluid preparation method - Google Patents
Drilling fluid preparation equipment and drilling fluid preparation method Download PDFInfo
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- CN113058500A CN113058500A CN202010003393.7A CN202010003393A CN113058500A CN 113058500 A CN113058500 A CN 113058500A CN 202010003393 A CN202010003393 A CN 202010003393A CN 113058500 A CN113058500 A CN 113058500A
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- fluid preparation
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- 239000012530 fluid Substances 0.000 title claims abstract description 97
- 238000005553 drilling Methods 0.000 title claims abstract description 91
- 238000002360 preparation method Methods 0.000 title claims abstract description 47
- 239000003814 drug Substances 0.000 claims abstract description 184
- 238000000605 extraction Methods 0.000 claims abstract description 46
- 230000009471 action Effects 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000011084 recovery Methods 0.000 claims description 53
- 238000004140 cleaning Methods 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 23
- 229940079593 drug Drugs 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 9
- 238000013507 mapping Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims 8
- 238000007599 discharging Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 238000004064 recycling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7176—Feed mechanisms characterised by the means for feeding the components to the mixer using pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2216—Time, i.e. duration, of at least one parameter during the operation
- B01F35/22162—Time of feeding of at least one of the components to be mixed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
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- Chemical & Material Sciences (AREA)
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- External Artificial Organs (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a drilling fluid preparation device and a drilling fluid preparation method, wherein the drilling fluid preparation device comprises: a medicament extraction device having a pump for driving the target medicament into the drilling fluid mixing device; the controller is in communication connection with the medicament extraction device and is used for controlling the action of the pump; the detection device is arranged corresponding to the pump so as to obtain the conveying time of the pump; the detection device is connected with the controller, so that the controller controls the pump to stop working when the conveying time reaches the target time; the sensor is connected with the working component of the pump to detect the action frequency of the working component; the sensor is connected with the controller to feed back the detected action frequency of the working component to the controller, so that the controller controls the working frequency of the pump according to the action frequency. The drilling fluid preparation equipment solves the problem that the quality of the drilling fluid prepared by the preparation method in the prior art is poor.
Description
Technical Field
The invention relates to the field of drilling equipment, in particular to drilling fluid preparation equipment and a drilling fluid preparation method.
Background
In the oil exploitation process, the drilling operation is indispensable, and the drilling fluid is a necessary consumable material in the drilling process.
Aiming at different geological requirements and different reservoir conditions, the formula of the drilling fluid needs to be correspondingly adjusted so as to adapt to the drilling requirement and ensure the safety of production operation.
In the process of preparing the drilling fluid, various medicaments are required to be added according to the formula, and the properties of different types of medicaments, such as density, viscosity, solid particle diameter in the medicaments, solubility of the medicaments in the drilling fluid and the like, have large differences. Due to the different properties of different agents, the respective addition rates need to be precisely controlled in order to mix well with the drilling fluid to ensure the quality of the prepared drilling fluid. At present, in the process of preparing the drilling fluid, a mode of manually adding a medicament into the drilling fluid by experience is usually adopted, and the preparation method cannot effectively control the adding speed and the adding total amount of the medicament, so that the quality of the prepared drilling fluid is poor.
Disclosure of Invention
The invention mainly aims to provide drilling fluid preparation equipment and a drilling fluid preparation method, and aims to solve the problem that the quality of the drilling fluid prepared by the preparation method in the prior art is poor.
In order to achieve the above object, according to one aspect of the present invention, there is provided a drilling fluid preparation apparatus comprising: the medicament extraction device is provided with a pump, the pump is used for being connected with the drilling fluid mixing device, the pump is provided with a working part, and the working part is movably arranged relative to the body part of the pump so as to drive the target medicament to flow into the drilling fluid mixing device when the working part moves; the controller is in communication connection with the medicament extraction device and is used for controlling the action of the pump; the detection device is arranged corresponding to the pump so as to obtain the conveying time of the pump; the detection device is connected with the controller, so that the controller controls the pump to stop working when the conveying time reaches the target time; the sensor is connected with the working component to detect the action frequency of the working component; the sensor is connected with the controller to feed back the detected action frequency of the working component to the controller, so that the controller controls the working frequency of the pump according to the action frequency.
Further, the pump is a pneumatic diaphragm pump; the medicament extraction device also comprises an adjustable pressure reducing valve, wherein the inlet of the adjustable pressure reducing valve is used for being connected with an external air source, and the outlet of the adjustable pressure reducing valve is connected with the air supply port of the pneumatic diaphragm pump; the controller is in communication connection with the adjustable pressure reducing valve so as to control the air pressure at the outlet of the adjustable pressure reducing valve through the controller.
Further, the sensor comprises a connecting rod connected with the diaphragm of the pneumatic diaphragm pump so as to drive the connecting rod to move when the diaphragm of the pneumatic diaphragm pump acts; the detection end of the sensor is connected with the connecting rod to detect the action amplitude and the action frequency of the connecting rod, so that the deformation of a diaphragm of the pneumatic diaphragm pump and the working frequency of the pneumatic diaphragm pump are judged; and/or a first valve is arranged on a pipeline connected with an air supply port of the pneumatic diaphragm pump.
Furthermore, a pipeline connected with the air supply port of the pneumatic diaphragm pump is provided with a filter to filter the air flowing into the pneumatic diaphragm pump; and/or a pressure gauge is arranged on a pipeline connected with the air supply port of the pneumatic diaphragm pump.
Furthermore, a medicament suction pipe is connected to the inlet of the pump; the medicament suction tube comprises a hose part and a hard tube part, wherein the first end of the hose part is connected with the inlet of the pump, and the second end of the hose part is connected with the hard tube part; and/or the medicament suction pipe is provided with a second valve.
Furthermore, a first shunt pipe and a second shunt pipe are connected to the outlet of the pump; the first shunt pipe is used for being communicated with the drilling fluid mixing device, and a third valve is arranged on the first shunt pipe; the second shunt pipe is used for being communicated with the cleaning liquid storage device, and a fourth valve is arranged on the second shunt pipe; wherein, the first shunt pipe is provided with a flowmeter.
Furthermore, a cleaning liquid suction pipe is connected to an inlet of the pump and is used for being connected with a cleaning liquid storage device, so that the pump sucks cleaning liquid through the cleaning liquid suction pipe; wherein, the fifth valve is arranged on the cleaning liquid suction pipe.
Further, the drilling fluid preparation equipment comprises a medicament recovery device, wherein the medicament recovery device is provided with a medicament recovery groove, and the medicament recovery device is arranged below the medicament extraction device so as to recover the medicament leaked by the medicament extraction device through the medicament recovery groove.
Further, the drug recovery device includes: the medicament recovery groove is arranged on the medicament recovery structure; the supporting structure is arranged on one side of the medicament recovery structure close to the medicament recovery groove; the supporting structure is provided with a through hole which extends to the medicament recovery tank; wherein the pump is fixedly arranged on the support structure.
Further, the medicament recovery device comprises a medicament discharge port which is communicated with the medicament recovery groove so as to discharge the medicament in the medicament recovery groove through the medicament discharge port; wherein at least part of the bottom surface of the medicament recovery groove is arranged obliquely to the horizontal plane, and the minimum height of the medicament discharge port in the vertical direction is smaller than the maximum height of the bottom surface in the vertical direction; and/or a sixth valve is arranged at the medicament discharge port.
Furthermore, a pipe fitting supporting part is arranged on the medicine recovery device, a jack is arranged on the pipe fitting supporting part and extends to the medicine recovery groove, and at least part of the medicine suction pipe of the medicine extraction device is detachably inserted into the jack.
Further, the medicament extraction device is multiple; the drilling fluid preparation equipment comprises a medicament collecting pipe and a cleaning fluid collecting pipe, wherein first shunt pipes of a plurality of medicament extraction devices are connected with the medicament collecting pipe, and second shunt pipes of the plurality of medicament extraction devices are connected with the cleaning fluid collecting pipe.
Further, the number of the medicament extraction devices is two; the end part of the medicament collecting pipe and/or the end part of the cleaning fluid collecting pipe are/is provided with a quick joint.
According to another aspect of the present invention, there is provided a method of preparing a drilling fluid, the method comprising the steps of: establishing a mapping relationship between a plurality of target medicaments and a plurality of preset flow rates; acquiring a preset flow corresponding to the target medicament to be delivered according to the mapping relation; setting a predetermined conveying amount; dividing the preset delivery quantity by the preset flow to obtain a target time length; extracting the target medicament into the drilling fluid mixing device according to a preset flow, and recording the conveying time; the delivery duration is compared to a target duration, and delivery of the target medicament is stopped when the delivery duration reaches the target duration.
The drilling fluid preparation equipment applying the technical scheme of the invention comprises: the medicament extraction device is provided with a pump, the pump is used for being connected with the drilling fluid mixing device, the pump is provided with a working part, and the working part is movably arranged relative to the body part of the pump so as to drive the target medicament to flow into the drilling fluid mixing device when the working part moves; the controller is in communication connection with the medicament extraction device and is used for controlling the action of the pump; the detection device is arranged corresponding to the pump so as to obtain the conveying time of the pump; the detection device is connected with the controller, so that the controller controls the pump to stop working when the conveying time reaches the target time; the sensor is connected with the working component to detect the action frequency of the working component; the sensor is connected with the controller to feed back the detected action frequency of the working component to the controller, so that the controller controls the working frequency of the pump according to the action frequency. Thus, the working frequency of the pump can be selected according to the physical properties of different types of medicaments, and the working frequency of the pump can be accurately controlled by the controller through the data of the working frequency of the working part detected by the sensor; the conveying time of the pump is effectively monitored through the conveying time data fed back by the detection device, so that when the conveying time reaches the target time, the controller timely controls the pump to stop conveying, the adding speed and the adding total amount of the medicament are accurately controlled, the quality of the prepared drilling fluid is improved, and the problem that the quality of the drilling fluid prepared by the preparation method in the prior art is poor is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a schematic structural diagram of an embodiment of a drilling fluid production apparatus according to the present invention;
figure 2 shows a schematic view of the connection of the components of an embodiment of a drilling fluid production device according to the invention.
Wherein the figures include the following reference numerals:
1. a pump; 2. a controller; 3. an adjustable pressure reducing valve; 41. a first valve; 42. a filter; 43. a pressure gauge; 5. a drug aspiration tube; 51. a hose portion; 52. a rigid tube portion; 53. a second valve; 61. a third valve; 62. a fourth valve; 7. a drug recovery device; 71. a drug recovery structure; 72. a support structure; 73. a sixth valve; 8. a medicament manifold; 9. a cleaning fluid manifold; 10. a tube support; 11. a quick coupling; 100. a flow meter; 20. a fifth valve; 30. a sensor.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 2, the present invention provides a drilling fluid preparation apparatus, including: the device comprises a medicament extraction device, a drilling fluid mixing device and a control device, wherein the medicament extraction device is provided with a pump 1, the pump 1 is used for being connected with the drilling fluid mixing device, the pump 1 is provided with a working part, and the working part is movably arranged relative to the body part of the pump 1 so as to drive a target medicament to flow into the drilling fluid mixing device when the working part moves; the controller 2 is in communication connection with the medicament extraction device, and the controller 2 is used for controlling the action of the pump 1; the detection device is arranged corresponding to the pump 1 so as to obtain the conveying time of the pump 1; the detection device is connected with the controller 2, so that the controller 2 controls the pump 1 to stop working when the conveying time reaches the target time; a sensor 30, wherein the sensor 30 is connected with the working component to detect the action frequency of the working component; the sensor 30 is connected to the controller 2 to feed back the detected operating frequency of the working element to the controller 2, so that the controller 2 controls the operating frequency of the pump 1 according to the operating frequency.
The drilling fluid preparation equipment comprises: the device comprises a medicament extraction device, a drilling fluid mixing device and a control device, wherein the medicament extraction device is provided with a pump 1, the pump 1 is used for being connected with the drilling fluid mixing device, the pump 1 is provided with a working part, and the working part is movably arranged relative to the body part of the pump 1 so as to drive a target medicament to flow into the drilling fluid mixing device when the working part moves; the controller 2 is in communication connection with the medicament extraction device, and the controller 2 is used for controlling the action of the pump 1; the detection device is arranged corresponding to the pump 1 so as to obtain the conveying time of the pump 1; the detection device is connected with the controller 2, so that the controller 2 controls the pump 1 to stop working when the conveying time reaches the target time; a sensor 30, wherein the sensor 30 is connected with the working component to detect the action frequency of the working component; the sensor 30 is connected to the controller 2 to feed back the detected operating frequency of the working element to the controller 2, so that the controller 2 controls the operating frequency of the pump 1 according to the operating frequency. In this way, the operating frequency of the pump 1 can be selected for the physical properties of different types of drugs, and the operating frequency of the pump 1 can be accurately controlled by the controller 2 based on the data of the operating frequency of the operating member detected by the sensor 30; the conveying time of the pump 1 is effectively monitored through the conveying time data fed back by the detection device, so that when the conveying time reaches the target time, the controller 2 timely controls the pump 1 to stop conveying, the adding speed and the adding total amount of the medicament are accurately controlled, the quality of the prepared drilling fluid is improved, and the problem that the quality of the drilling fluid prepared by the preparation method in the prior art is poor is solved.
In the present embodiment, the pump 1 is an air operated diaphragm pump; the medicament extraction device also comprises an adjustable pressure reducing valve 3, wherein an inlet of the adjustable pressure reducing valve 3 is used for being connected with an external air source, and an outlet of the adjustable pressure reducing valve 3 is connected with an air supply port of the pneumatic diaphragm pump; the controller 2 is in communication connection with the adjustable pressure reducing valve 3, so that the air pressure at the outlet of the adjustable pressure reducing valve 3 is controlled through the controller 2. The pneumatic diaphragm pump can better guarantee stable conveying of various medicaments with different properties, and even if a target medicament has larger density, viscosity and more particles, the pneumatic diaphragm pump still can guarantee a better conveying effect, so that the working stability of drilling fluid preparation equipment is guaranteed.
Specifically, the sensor comprises a connecting rod connected with a diaphragm of the pneumatic diaphragm pump so as to drive the connecting rod to move when the diaphragm of the pneumatic diaphragm pump acts; the detection end of the sensor 30 is connected with the connecting rod to detect the action amplitude and the action frequency of the connecting rod, so that the deformation of the diaphragm of the pneumatic diaphragm pump and the working frequency of the pneumatic diaphragm pump are judged; and/or, in order to conveniently control the air supply of the pneumatic diaphragm pump, a first valve 41 is installed on a pipeline connected with an air supply port of the pneumatic diaphragm pump. By arranging the connecting rod connected with the diaphragm and connecting the detection end of the sensor 30 with the connecting rod, the deformation and the action frequency of the diaphragm can be detected, and the conveying flow for starting the diaphragm pump can be obtained.
Preferably, in order to ensure the cleanness of the air supplied to the air operated diaphragm pump, a filter 42 is installed on a pipe connected to an air supply port of the air operated diaphragm pump to filter the air flowing into the air operated diaphragm pump; and/or a pressure gauge 43 is arranged on a pipeline connected with the air supply port of the pneumatic diaphragm pump.
Specifically, a medicament suction pipe 5 is connected to an inlet of the pump 1; the medicament suction pipe 5 comprises a hose part 51 and a hard pipe part 52, wherein the first end of the hose part 51 is connected with the inlet of the pump 1, the second end of the hose part 51 is connected with the hard pipe part 52, and the combination mode of the hose and the hard pipe can improve the suction flexibility of the medicament suction pipe 5, so that the medicament suction pipe 5 can be stably inserted into a medicament storage device or an insertion hole of the pipe support part 10; and/or, a second valve 53 is arranged on the medicament suction pipe 5, thereby flexibly controlling the on-off of the medicament suction pipe 5.
In order to realize the cleaning of the drilling fluid preparation equipment and conveniently control the dosing and cleaning, the outlet of the pump 1 is connected with a first shunt pipe and a second shunt pipe; the first shunt pipe is used for being communicated with the drilling fluid mixing device, and a third valve 61 is arranged on the first shunt pipe; the second shunt pipe is used for being communicated with the cleaning liquid storage device, and a fourth valve 62 is arranged on the second shunt pipe; wherein, the first shunt pipe is provided with a flowmeter 100. When the medicament extraction device extracts the medicament, the medicament suction pipe 5 is inserted into the medicament storage device, the fourth valve 62 is closed, the third valve 61 is opened, and the medicament flows into the drilling fluid mixing device along the first shunt pipe; when the medicament extraction device needs to be cleaned, the pump 1 extracts the cleaning liquid, the third valve 61 is closed, the fourth valve 62 is opened, and the cleaning liquid flows into the cleaning liquid storage device along the second shunt pipe, so that the circulation of the cleaning liquid is realized.
Specifically, a cleaning liquid suction pipe is connected to an inlet of the pump 1, and the cleaning liquid suction pipe is used for being connected with a cleaning liquid storage device, so that the pump 1 sucks cleaning liquid through the cleaning liquid suction pipe; wherein, the fifth valve 20 is arranged on the cleaning liquid suction pipe.
In addition, the drilling fluid preparation equipment comprises a medicament recovery device 7, the medicament recovery device 7 is provided with a medicament recovery groove, and the medicament recovery device 7 is arranged below the medicament extraction device so as to recover the medicament leaked by the medicament extraction device through the medicament recovery groove and prevent the medicament leaked by the medicament extraction device from losing.
Specifically, the drug recovery device 7 includes: a drug recovery structure 71, wherein the drug recovery groove is arranged on the drug recovery structure 71; a support structure 72, wherein the support structure 72 is arranged on one side of the medicine recovery structure 71 close to the medicine recovery groove; the supporting structure 72 is provided with a through hole which extends to the medicament recovery tank; wherein the pump 1 is fixedly arranged on the support structure 72.
In order to facilitate the recycling of the medicament, the medicament recycling device 7 comprises a medicament discharge port which is communicated with the medicament recycling groove so as to discharge the medicament in the medicament recycling groove through the medicament discharge port; wherein at least part of the bottom surface of the medicament recovery groove is arranged obliquely to the horizontal plane, and the minimum height of the medicament discharge port in the vertical direction is smaller than the maximum height of the bottom surface in the vertical direction; and/or the medicament discharge port is provided with a sixth valve 73.
In order to fix the medicine suction pipe 5 conveniently, the medicine recovery device 7 is provided with the pipe supporting part 10, the pipe supporting part 10 is provided with the jack, the jack extends to the medicine recovery groove, at least part of the medicine suction pipe 5 of the medicine suction device is detachably inserted into the jack, and when the medicine suction pipe 5 is inserted into the jack, residual medicine in the medicine suction pipe 5 can flow into the medicine recovery groove, so that residual materials are recovered.
Specifically, the medicament extraction device is plural; drilling fluid preparation equipment includes medicament collecting pipe 8 and washing liquid collecting pipe 9, and a plurality of medicament extraction device's first shunt canals all are connected with medicament collecting pipe 8, and a plurality of medicament extraction device's second shunt canals all are connected with washing liquid collecting pipe 9.
The two medicament extracting devices can independently operate, namely the two medicament extracting devices can operate independently or simultaneously, and are used for extracting the same medicament or respectively used for extracting two different medicaments; to facilitate the connection between the medicament extraction device and external components, the end of the medicament manifold 8 and/or the end of the cleaning fluid manifold 9 is provided with a quick coupling 11.
The invention also provides a preparation method of the drilling fluid, which comprises the following steps: establishing a mapping relationship between a plurality of target medicaments and a plurality of preset flow rates; acquiring a preset flow corresponding to the target medicament to be delivered according to the mapping relation; setting a predetermined conveying amount; dividing the preset delivery quantity by the preset flow to obtain a target time length; extracting the target medicament into the drilling fluid mixing device at a preset flow rate, and recording the conveying time; the delivery duration is compared to a target duration, and delivery of the target medicament is stopped when the delivery duration reaches the target duration. Therefore, when a specific target medicament needs to be added, the preset flow can be obtained according to the mapping relation, the preset delivery amount is set, the target duration can be obtained according to the preset flow and the preset delivery amount, the target medicament is added into the drilling fluid mixing device at the preset flow, the adding speed of the target medicament can be accurately controlled, and the target medicament and the drilling fluid can be effectively mixed; when the conveying time reaches the target time, the conveying of the target medicament is stopped, so that the accurate control of the addition amount of the target medicament is realized, the quality of the prepared drilling fluid can be effectively ensured, and the problem of poor quality of the drilling fluid prepared by the preparation method in the prior art is solved.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the drilling fluid preparation equipment comprises: the device comprises a medicament extraction device, a drilling fluid mixing device and a control device, wherein the medicament extraction device is provided with a pump 1, the pump 1 is used for being connected with the drilling fluid mixing device, the pump 1 is provided with a working part, and the working part is movably arranged relative to the body part of the pump 1 so as to drive a target medicament to flow into the drilling fluid mixing device when the working part moves; the controller 2 is in communication connection with the medicament extraction device, and the controller 2 is used for controlling the action of the pump 1; the detection device is arranged corresponding to the pump 1 so as to obtain the conveying time of the pump 1; the detection device is connected with the controller 2, so that the controller 2 controls the pump 1 to stop working when the conveying time reaches the target time; a sensor 30, wherein the sensor 30 is connected with the working component to detect the action frequency of the working component; the sensor 30 is connected to the controller 2 to feed back the detected operating frequency of the working element to the controller 2, so that the controller 2 controls the operating frequency of the pump 1 according to the operating frequency. In this way, the operating frequency of the pump 1 can be selected for the physical properties of different types of drugs, and the operating frequency of the pump 1 can be accurately controlled by the controller 2 based on the data of the operating frequency of the operating member detected by the sensor 30; the conveying time of the pump 1 is effectively monitored through the conveying time data fed back by the detection device, so that when the conveying time reaches the target time, the controller 2 timely controls the pump 1 to stop conveying, the adding speed and the adding total amount of the medicament are accurately controlled, the quality of the prepared drilling fluid is improved, and the problem that the quality of the drilling fluid prepared by the preparation method in the prior art is poor is solved.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (14)
1. A drilling fluid preparation apparatus, comprising:
a medicament extraction device having a pump (1), the pump (1) being adapted to be connected to a drilling fluid mixing device, the pump (1) having a working member which is movably arranged relative to a body portion of the pump (1) to drive a target medicament into the drilling fluid mixing device upon movement of the working member;
a controller (2), the controller (2) being in communicative connection with the medicament withdrawal device, the controller (2) being for controlling the action of the pump (1);
the detection device is arranged corresponding to the pump (1) so as to obtain the conveying time of the pump (1); the detection device is connected with the controller (2) so that the controller (2) controls the pump (1) to stop working when the conveying time reaches a target time;
a sensor (30), the sensor (30) being connected to the working member to detect a frequency of operation of the working member; the sensor (30) is connected with the controller (2) to feed back the detected action frequency of the working component to the controller (2), so that the controller (2) controls the working frequency of the pump (1) according to the action frequency.
2. Drilling fluid preparation equipment according to claim 1, characterized in that the pump (1) is an air operated diaphragm pump; the medicament extraction device further comprises an adjustable pressure reducing valve (3), an inlet of the adjustable pressure reducing valve (3) is used for being connected with an external air source, and an outlet of the adjustable pressure reducing valve (3) is connected with an air supply port of the pneumatic diaphragm pump;
the controller (2) is in communication connection with the adjustable pressure reducing valve (3) so as to control air pressure at an outlet of the adjustable pressure reducing valve (3) through the controller (2).
3. The drilling fluid preparation apparatus of claim 2, wherein the sensor comprises a connecting rod connected to a diaphragm of the air operated diaphragm pump to move the connecting rod upon actuation of the diaphragm of the air operated diaphragm pump; the detection end of the sensor (30) is connected with the connecting rod to detect the action amplitude and the action frequency of the connecting rod, so that the deformation of a diaphragm of the pneumatic diaphragm pump and the working frequency of the pneumatic diaphragm pump are judged; and/or the presence of a gas in the gas,
and a first valve (41) is arranged on a pipeline connected with an air supply port of the pneumatic diaphragm pump.
4. Drilling fluid preparation equipment according to claim 2, characterized in that a filter (42) is fitted on the line connected to the gas supply port of the air operated diaphragm pump to filter the gas flowing into the air operated diaphragm pump; and/or the presence of a gas in the gas,
and a pressure gauge (43) is arranged on a pipeline connected with the air supply port of the pneumatic diaphragm pump.
5. Drilling fluid preparation equipment according to claim 2, characterized in that a medicament suction pipe (5) is connected to the inlet of the pump (1);
wherein the medicament suction tube (5) comprises a hose portion (51) and a hard tube portion (52), a first end of the hose portion (51) is connected with an inlet of the pump (1), and a second end of the hose portion (51) is connected with the hard tube portion (52); and/or the presence of a gas in the gas,
the medicament suction pipe (5) is provided with a second valve (53).
6. Drilling fluid preparation equipment according to claim 5, characterized in that a first and a second shunt pipe are connected to the outlet of the pump (1); the first shunt pipe is used for being communicated with the drilling fluid mixing device, and a third valve (61) is arranged on the first shunt pipe; the second shunt pipe is used for being communicated with the cleaning liquid storage device, and a fourth valve (62) is arranged on the second shunt pipe; wherein, the first shunt pipe is provided with a flowmeter (100).
7. The drilling fluid preparation device according to claim 6, wherein a cleaning fluid suction pipe is further connected to the inlet of the pump (1), and the cleaning fluid suction pipe is used for being connected with the cleaning fluid storage device, so that the pump (1) sucks cleaning fluid through the cleaning fluid suction pipe; wherein, a fifth valve (20) is arranged on the cleaning liquid suction pipe.
8. The drilling fluid preparation apparatus according to any one of claims 2 to 7, characterized in that the drilling fluid preparation apparatus comprises a chemical recovery device (7), the chemical recovery device (7) having a chemical recovery tank, the chemical recovery device (7) being arranged below the chemical extraction device to recover the chemical leaked by the chemical extraction device through the chemical recovery tank.
9. Drilling fluid preparation equipment according to claim 8, characterized in that the agent recovery device (7) comprises:
a drug recovery structure (71), wherein the drug recovery groove is arranged on the drug recovery structure (71);
a support structure (72), the support structure (72) being disposed on a side of the drug recovery structure (71) proximate to the drug recovery tank; a through hole is arranged on the supporting structure (72), and the through hole extends to the medicament recovery groove;
wherein the pump (1) is fixedly arranged on the support structure (72).
10. Drilling fluid preparation equipment according to claim 9, characterized in that the agent recovery device (7) comprises an agent discharge opening which communicates with the agent recovery tank for discharging the agent in the agent recovery tank through the agent discharge opening;
wherein at least a part of a bottom surface of the medicine recovery tank is disposed obliquely to a horizontal plane, and a minimum height of the medicine discharge port in a vertical direction is smaller than a maximum height of the bottom surface in the vertical direction; and/or a sixth valve (73) is arranged at the medicament discharge opening.
11. The drilling fluid preparation equipment according to claim 8, wherein the medicament extraction device is the medicament extraction device according to claim 5, a pipe support part (10) is arranged on the medicament recovery device (7), a jack is arranged on the pipe support part (10), the jack extends to the medicament recovery groove, and at least part of a medicament suction pipe (5) of the medicament extraction device is detachably inserted in the jack.
12. The drilling fluid preparation apparatus according to claim 8, wherein the agent extraction device is the agent extraction device of claim 6, and the agent extraction device is plural; drilling fluid preparation equipment includes medicament collecting pipe (8) and washing liquid collecting pipe (9), and is a plurality of medicament extraction device's first shunt canals all with medicament collecting pipe (8) are connected, and are a plurality of medicament extraction device's second shunt canals all with washing liquid collecting pipe (9) are connected.
13. The drilling fluid preparation apparatus of claim 12, wherein there are two of the medicament extraction devices; and a quick joint (11) is arranged at the end part of the medicament collecting pipe (8) and/or the end part of the cleaning solution collecting pipe (9).
14. The preparation method of the drilling fluid is characterized by comprising the following steps of:
establishing a mapping relationship between a plurality of target medicaments and a plurality of preset flow rates;
acquiring a preset flow corresponding to the target medicament to be delivered according to the mapping relation;
setting a predetermined conveying amount;
dividing the preset delivery quantity by the preset flow rate to obtain a target time length;
extracting the target medicament into the drilling fluid mixing device according to the preset flow, and recording the conveying time;
comparing the delivery duration to the target duration, and stopping delivery of the target medicament when the delivery duration reaches the target duration.
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| CN202010003393.7A CN113058500B (en) | 2020-01-02 | 2020-01-02 | Drilling fluid preparation equipment and drilling fluid preparation method |
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| CN202010003393.7A CN113058500B (en) | 2020-01-02 | 2020-01-02 | Drilling fluid preparation equipment and drilling fluid preparation method |
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| CN113058500B (en) | 2024-05-31 |
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