CN110763593A - Rheological property monitoring device of drilling fluid - Google Patents
Rheological property monitoring device of drilling fluid Download PDFInfo
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- CN110763593A CN110763593A CN201810829067.4A CN201810829067A CN110763593A CN 110763593 A CN110763593 A CN 110763593A CN 201810829067 A CN201810829067 A CN 201810829067A CN 110763593 A CN110763593 A CN 110763593A
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- 238000005553 drilling Methods 0.000 title claims abstract description 66
- 239000012530 fluid Substances 0.000 title claims abstract description 66
- 238000012806 monitoring device Methods 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 238000003756 stirring Methods 0.000 claims abstract description 42
- 238000012545 processing Methods 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims description 21
- 238000000518 rheometry Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 15
- 238000006073 displacement reaction Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
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- 238000004891 communication Methods 0.000 description 8
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- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
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- 230000036541 health Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/14—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane
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- General Health & Medical Sciences (AREA)
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- Earth Drilling (AREA)
Abstract
The invention provides a rheological property monitoring device of drilling fluid, which comprises: the device comprises a groove body, a detection device, a driving device, a mobile body, a rotational viscometer and a data processing device, wherein the groove body is arranged in a diversion trench; the detection device is used for sending a first signal to the driving device and the rotational viscometer when the stirring component of the rotational viscometer is detected to be inserted into the drilling fluid in the groove body; the driving device is used for driving the moving body to move along the vertical direction, and the driving device is used for: if the first signal is received when the moving body is driven to move, stopping driving the moving body to move; the rotational viscometer is used for driving the stirring component to rotate if receiving the first signal, and collecting the rotating speed information of the stirring component. The invention realizes the automatic implementation of the drilling fluid rheological property monitoring, and compared with manual monitoring, the invention can prevent testers from entering a monitoring place, thereby effectively ensuring the safety of the testers.
Description
Technical Field
The invention relates to the field of oil exploitation, in particular to a rheological property monitoring device for drilling fluid.
Background
The drilling fluid is a general term for various circulating fluids which meet the requirements of drilling work by multiple functions in the drilling process. During the drilling process, the rheological property of the drilling fluid can be changed, and if the rheological property is not good, the conditions of borehole wall collapse, tripping, air invasion and the like can be caused, so that potential safety hazards are brought.
In the prior art, the rheology can be monitored manually by measuring personnel, and the drilling fluid can be sampled, analyzed and evaluated manually.
However, the drilled formations may contain hydrogen sulfide, a large amount of gas invasion, extreme weather, and the like, which may cause dangers to the health and even life belts of the measuring personnel and have poor safety.
Disclosure of Invention
The invention provides a rheological property monitoring device of drilling fluid, which aims to solve the problem of poor safety of manual monitoring.
According to a first aspect of the present invention, there is provided a drilling fluid rheology monitoring apparatus comprising: the device comprises a groove body, a detection device, a driving device, a mobile body, a rotational viscometer and a data processing device, wherein the groove body is arranged in a diversion trench; the driving device and the rotational viscometer are both connected with the detection device; the detection means and the rotational viscometer are mounted to the moving body; the data processing device is connected with the rotational viscometer;
the detection device is used for sending a first signal to the driving device and the rotational viscometer when the stirring component of the rotational viscometer is detected to be inserted into the drilling fluid in the groove body;
the driving device is used for driving the moving body to move along the vertical direction, and the driving device is used for: if the first signal is received when the moving body is driven to move, stopping driving the moving body to move;
the rotational viscometer is used for driving the stirring component to rotate if receiving the first signal, collecting the rotating speed information of the stirring component, and: sending the rotation speed information to the data processing device;
and the data processing device is used for determining the rheological parameters of the drilling fluid according to the rotating speed information.
Optionally, the driving device includes a vertical guide rail, a motor and a transmission assembly; the movable body is fixedly connected with the transmission assembly; the motor is used for driving the transmission assembly to move along the guide rail, and the position of the guide rail relative to the groove body is fixed.
Optionally, the rheological property monitoring device further comprises a connecting rod, the detection device is arranged on the connecting rod, and the connecting rod is connected with the movable body.
Optionally, the rheological property monitoring device further comprises a cleaning device, and the cleaning device is mounted on the moving body;
the detection device is also used for sending a second signal to the cleaning device when the rotational viscometer is detected to move to a preset height;
and the cleaning device is used for spraying the cleaning liquid to the stirring component if the second signal is received.
Optionally, a filter screen is arranged on one side of the tank body, and the filter screen is used for filtering drilling fluid entering the tank body from the diversion trench.
Optionally, the filter screen is perpendicular to the flow guide direction of the flow guide groove.
Optionally, the rheological parameter comprises at least one of: dynamic shear force, apparent viscosity, plastic viscosity, and shear force.
Optionally, the rotational viscometer is a six-speed rotational viscometer.
Optionally, the data processing device is further configured to control, according to the rotational speed information, a frequency at which the rotational viscometer collects and/or outputs the rotational speed information.
Optionally, the rheological property monitoring device further includes a memory, and the data processing device is further connected to the memory to store the rheological parameter and/or the rotational speed information by using the memory.
According to the drilling fluid rheological property monitoring device provided by the invention, when the detection device detects that the stirring component of the rotational viscometer is inserted into the drilling fluid in the groove body, a first signal is sent to the driving device and the rotational viscometer; and the driving device stops driving the moving body to move when receiving the first signal, and the rotational viscometer drives the stirring part to rotate when receiving the first signal, so that the automatic implementation of the drilling fluid rheological property monitoring is realized.
The invention also sends the rotating speed information to the data processing device through the rotational viscometer, and the data processing device is used for determining the rheological parameters of the drilling fluid according to the rotating speed information, thereby realizing the feedback of the rotating speed information associated with the rheological property and the determination of the current rheological property.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first schematic diagram of a first embodiment of a drilling fluid rheology monitoring apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of a second apparatus for monitoring the rheology of a drilling fluid according to an embodiment of the present invention;
FIG. 3 is a schematic view of a first embodiment of a device for monitoring the rheology of a drilling fluid according to the present invention;
FIG. 4 is a schematic diagram illustrating a relationship between a set rotational speed value and a measured rotational speed value according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a second device for monitoring the rheology of a drilling fluid according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram three of a drilling fluid rheology monitoring device according to another embodiment of the present invention.
In the figure:
100-rheological monitoring device of drilling fluid;
110-a detection device;
120-a drive device;
130-rotational viscometer;
131-a stirring member;
140-data processing means;
150-moving the body;
160-a cleaning device;
170-filter screen;
180-groove body;
190-connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, 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 invention described herein are capable of operation in sequences other than those illustrated or 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 technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Drilling fluids, in particular Drilling fluids; it is understood to be a generic term for various circulating fluids during drilling that serve their various functions to meet the needs of the drilling operation. It can be divided into clear water, slurry, non-clay phase flushing liquid, emulsion, foam, compressed air, etc. according to its composition. The clean water is the earliest drilling fluid, does not need to be treated, is convenient to use and is suitable for regions with complete rock stratums and sufficient water sources. The mud is widely used drilling fluid and is mainly suitable for unstable rock formations of hole walls, such as loose rock formations, fracture development, easy collapse and block falling, water swelling and peeling, and the like.
Rheology is understood to mean the deformation and flow properties of a substance under the action of an external force. The viscosity of the fluid differs, and the quantitative relationship between the shear stress applied to the fluid and the shear deformation rate (shear rate) also differs. Thus, knowing the viscosity or viscosity of a fluid, it is also understood that its rheology can be directly or indirectly characterized.
FIG. 1 is a first schematic diagram of a first embodiment of a drilling fluid rheology monitoring apparatus according to the present invention; fig. 2 is a schematic structural diagram of a drilling fluid rheology monitoring device according to an embodiment of the present invention.
Referring to fig. 1 and 2, a drilling fluid rheology monitoring apparatus 100 may include: a tank body 180, a detection device 110, a driving device 120, a mobile body 150, a rotational viscometer 130 and a data processing device 140 which are arranged in the diversion trench; the driving means 120 and the rotational viscometer 130 are both connected to the detecting means 110; the detection means 110 and the rotational viscometer 130 are mounted to the moving body 150; the data processing device 140 is connected to the rotational viscometer 130.
The detection device 110 is used for sending a first signal to the driving device and the rotational viscometer when the stirring component of the rotational viscometer is detected to be inserted into the drilling fluid in the groove body;
the driving device 120 is configured to drive the moving body to move in a vertical direction, and: if the first signal is received when the moving body is driven to move, stopping driving the moving body to move;
the rotational viscometer 130 is configured to drive the stirring component to rotate if receiving the first signal, collect rotation speed information of the stirring component, and: sending the rotation speed information to the data processing device;
and the data processing device 140 is configured to determine rheological parameters of the drilling fluid according to the rotation speed information.
The rotational viscometer 130 can be understood as a viscometer having a stirring member 131 and capable of rotating the stirring member 131. By means of the rotational viscometer, the stirring component 131 can be driven to rotate, and the rotation speed information of the stirring component 131 is measured, and the rotation speed is related to the rheological property, namely, the rotation speed information is related to rheological parameters, so that the obtaining of the rotation speed information can also be understood as a learning of the rheological property.
In one embodiment, the rotational viscometer 130 may be a digital six-speed rotational viscometer, and the power part may be a digital control stepping motor, i.e., a rotational instrument powered by a motor. It can reflect the rotation speed information in the dial and also can output the rotation speed information.
Specifically, the rotation speed information may include:
the rotating shaft with the rotating speed set as 600 revolutions per minute and actual rotating speed information thereof;
the rotating shaft with the rotating speed set as 300 revolutions per minute and actual rotating speed information thereof;
the rotating shaft with the rotating speed set as 200 revolutions per minute and actual rotating speed information thereof;
the rotating shaft with the rotating speed set as 100 revolutions per minute and actual rotating speed information thereof;
a shaft with a speed of rotation set to 6 revolutions per minute, its actual speed information, and: the rotation speed is set as the rotation shaft of 6 revolutions per minute, and the actual rotation speed information is obtained.
The detecting device 110 is configured to send a first signal to the driving device 120 and the rotational viscometer 130 when the stirring component 131 of the rotational viscometer 130 is detected to be inserted into the drilling fluid in the slot 180.
The first signal, which may be understood to be any type generated by detecting the insertion of the stirring member 131 into the drilling fluid, may have various forms due to different transmission objects, but may be described as the first signal, and further, the signals received by the driving device 120 and the rotational viscometer 130 may be different or the same.
In one embodiment, the stirring member 131 and the detection device 110 are both mounted on the movable body 150 and can move synchronously, so that when the stirring member 131 is inserted into drilling fluid, part or all of the detection device 110 can enter the drilling fluid or contact the drilling fluid, and further, the detection device 110 can be used for triggering generation of the first signal when part or all of the detection device enters the drilling fluid. In this embodiment, the detection device 110 may include a water touch detection component for generating a first signal upon detecting water touch.
In another embodiment, since the stirring member 131 and the detecting device 110 are both mounted on the moving body 150, the three can move synchronously, the detecting device 110 can detect the displacement of the movement, and then determine the current position of the stirring member 131 according to the displacement, and further compare the current position with the position of the liquid level of the drilling fluid detected by a liquid level detecting member, determine that the stirring member 131 is inserted into the drilling fluid, and then trigger the first page. In this embodiment, the detecting device 110 may include a displacement detecting part for detecting the displacement and a first detection processing part, and the first detection processing part may be configured to perform the above processes.
In another embodiment, since the stirring component 131 and the detecting device 110 are both installed on the moving body 150, the three can move synchronously, and the detecting device 110 can detect the displacement of the movement, and then determine the current position of the stirring component 131 according to the displacement, and if the current position exceeds a certain threshold, the stirring shaft is determined to be inevitably inserted into the drilling fluid, and then the first signal is triggered. In this embodiment, the detecting device 110 may include a displacement detecting part for detecting the displacement and a second detection processing part, and the second detection processing part may be configured to perform the above processes.
In another embodiment, the detecting device 110 may acquire an image of the stirring member 131, and then determine that the stirring member 131 is inserted into the drilling fluid by using the relationship between the liquid level in the image and the stirring member 131, thereby triggering the first signal. In this embodiment, the detection device 110 may include an image acquisition component and a third detection processing component, and the third detection processing component may be configured to perform the above processes.
It can be seen that the detection device 110 of the present embodiment is applicable to various detection methods, and therefore, the detection of the insertion of the stirring member 131 into the drilling fluid is achieved without departing from the scope of the present invention.
The data processing device 140 may be connected to the rotational viscometer 130 by any wired or wireless means.
FIG. 4 is a diagram illustrating a relationship between a set rotational speed value and a measured rotational speed value according to an embodiment of the present invention.
Through the data processing device 140, before the six sets of rotational speed information of the drilling well are monitored on line, the three-point standard density can be used to check the drilling fluid rheological property reference value, please refer to fig. 4, which is plottedA function curve y ═ ax was prepared as shown2+ bx + c; wherein the ordinate represents the set value V of the rotational speed1The target value of the rotation speed and the abscissa of the rotation speed represents the measured value V of the rotation speed2The values a, b and c can be obtained through three point values calibrated by standard density, and after the values are loaded into an inner core program for acquiring rheological property data, the values can be real-timely obtained according to the measured values along with the change of the rheological property of the drilling fluid in the process of online monitoring the rheological property of the drilling fluid according to the change of the rheological property of the drilling fluid in a curve y ═ ax2And (5) performing function interpolation on the + bx + c, converting the function interpolation into a standard value through a rheological property converter, and adjusting the acquisition and output interval of data to obtain the real-time rheological parameter change of the drilling fluid.
Finally, a rheological model is selected, and the acquired six groups of rotating speed information are utilized to convert the information into the required rheological parameters such as apparent viscosity, plastic viscosity, dynamic shear force, initial shear force and the like.
It can be seen that the data processing device 140 is further configured to control the frequency at which the rotational viscometer collects and/or outputs the rotational speed information according to the rotational speed information. Specifically, for example: the faster the speed of rotation, the higher the frequency of acquisition and/or the frequency of output.
FIG. 4 is a schematic structural diagram of a drilling fluid rheology monitoring apparatus according to another embodiment of the present invention; fig. 5 is a schematic structural diagram of a drilling fluid rheology monitoring device according to another embodiment of the present invention.
Referring to fig. 4, in one embodiment, the rheological monitoring device may further include a connecting rod 190, the detecting device 110 is disposed on the connecting rod, and the connecting rod 190 is connected to the moving body 150. Further, the detecting device 110 may move together with the connecting rod 190 and the moving body 150, and a distance of the detecting device 110 with respect to the moving body 150 may match a position of the stirring member 131 with respect to the moving body 150.
Furthermore, if the detection device 110 is used to trigger the generation of the first signal when part or all of the detection device enters the drilling fluid, the insertion of the stirring member 131 into the drilling fluid can be timely and effectively found by matching the positions of the detection device 110 and the stirring member 131. If other methods are used for detecting and generating the first signal, the detection can be more accurate.
Referring to fig. 4, in one embodiment, the driving device 120 includes a vertical guide rail 121, a motor 122 and a transmission assembly (not shown); the moving body 150 is fixedly connected with the transmission assembly; the motor 122 is used for driving the transmission assembly to move along the guide rail, and the position of the guide rail 121 relative to the slot 180 is fixed.
In one embodiment, the transmission assembly may be a screw nut assembly, an output shaft of the motor 122 transmits a screw in the screw nut assembly, a position of the screw may be fixed relative to the guide rail 121, or the screw may be the guide rail 121 itself, a nut of the screw nut assembly may be fixed relative to a position of the moving body 150, and further, displacement change of the nut along a length direction of the screw is realized by rotating the nut on the screw, so as to drive the moving body 150 and the upper part thereof to move.
In another embodiment, the transmission assembly may also be a rack and pinion assembly, an output shaft of the motor 122 transmits a gear in the rack and pinion assembly, a position of the rack may be fixed relative to the guide rail 121, or the rack may be the guide rail 121 itself, and a position of the gear of the rack and pinion assembly may be fixed relative to a position of the moving body 150, so that displacement change of the gear along a length direction of the rack is realized by engagement of the gear with the rack, and further, the moving body 150 and components thereon are driven to move. In this embodiment, the motor may move together with the gear and the moving body 150.
Referring to fig. 4 and 5, in one embodiment, the rheological monitoring device further includes a cleaning device 160, and the cleaning device 160 is mounted on the moving body 150;
the detecting device 110 is further configured to send a second signal to the cleaning device 160 when the rotational viscometer 130 is detected to move to a preset height;
the cleaning device 160 is configured to spray the cleaning liquid to the stirring member 131 if receiving the second signal.
The cleaning fluid may be water, and thus the cleaning device 160 may be configured with or connected to a water source, and may be cleaned with water from the water source.
Detection of the relevant preset height:
in one embodiment, the detection may be performed by using a displacement sensor or a position sensor, i.e. the detection device 110 may include a displacement sensor or a position sensor, and the second signal may be triggered if a predetermined position is reached.
In another embodiment, a touch sensor may be utilized, and a touch member may be disposed on the guide rail 121 for being touched at a specific height, i.e., the detecting device 110 may include a touch sensor; when the mobile platform 150 moves upward, the touch sensor may touch the touch member if the preset height is reached, so as to trigger the second signal.
It can be seen that the detecting device 110 of the present embodiment can be applied to various detecting methods, and therefore, the scope of the present invention is not limited to this embodiment as long as the detection of the preset height is achieved.
Fig. 6 is a schematic structural diagram three of a drilling fluid rheology monitoring device according to another embodiment of the present invention.
Referring to fig. 6, in an implementation process, the detecting device 110 may include a first detecting component 111, a second detecting component 112 and a communication component 113.
The first detection component 111 is used for detecting whether the stirring component 131 is inserted into the drilling fluid; if so, a first signal is sent to the communication section 113.
The second detecting part 112 is for detecting whether the rotational viscometer 130 is moved to a preset height; if so, a second signal is sent to the communication section 113.
The communication unit 113, upon receiving the first signal, can transmit the first signal to the rotational viscometer 130 and the driving device 120; upon receiving the second signal, the second signal may be sent to the cleaning device 160. At the same time, the communication component may also perform further processing on the signal, such as filtering, amplification, noise reduction, etc.
The first detecting member may be disposed at a lower end of the connecting rod 190, an upper end of the connecting rod 190 is connected to the moving body 150, and the second detecting member may be disposed at any position of the connecting rod 190, or may be directly or indirectly connected to the moving body 150.
Through each embodiment above, can realize the abluent triggering of stirring part 131, and then can in time wash stirring part 131, the cleanness of guarantee equipment, and then can be favorable to improving the accuracy of control process and detection, avoid producing harmful effects to detecting, control because of not clean clear.
The cleaning device 160 may include a through pipe through which the cleaning liquid may flow and a liquid pump disposed on the through pipe, and the detecting device 110 may output a second signal to the liquid pump to trigger the liquid pump to be turned on, and the liquid pump may provide power for spraying and flowing the cleaning liquid after being turned on.
Referring to fig. 4, in one embodiment, a filter screen 170 is disposed on one side of the tank 180, and the filter screen 170 is used for filtering the drilling fluid entering the tank 180 from the diversion trench. The screen 170 may be perpendicular to the flow direction of the flow guide grooves.
In addition, the movable body 150 may be provided with any structure for mounting the detection device 110 and the rotational viscometer 130, and may be provided with a wiring structure capable of fixing and securing a communication line, such as a hole and a groove.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, are used to indicate an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and thus, are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A drilling fluid rheology monitoring device, comprising: the device comprises a groove body, a detection device, a driving device, a mobile body, a rotational viscometer and a data processing device, wherein the groove body is arranged in a diversion trench; the driving device and the rotational viscometer are both connected with the detection device; the detection means and the rotational viscometer are mounted to the moving body; the data processing device is connected with the rotational viscometer;
the detection device is used for sending a first signal to the driving device and the rotational viscometer when the stirring component of the rotational viscometer is detected to be inserted into the drilling fluid in the groove body;
the driving device is used for driving the moving body to move along the vertical direction, and the driving device is used for: if the first signal is received when the moving body is driven to move, stopping driving the moving body to move;
the rotational viscometer is used for driving the stirring component to rotate if receiving the first signal, collecting the rotating speed information of the stirring component, and: sending the rotation speed information to the data processing device;
and the data processing device is used for determining the rheological parameters of the drilling fluid according to the rotating speed information.
2. A rheological monitoring device according to claim 1 wherein the drive means comprises a vertically oriented guide rail, a motor and transmission assembly; the movable body is fixedly connected with the transmission assembly; the motor is used for driving the transmission assembly to move along the guide rail, and the position of the guide rail relative to the groove body is fixed.
3. A rheological monitoring device according to claim 1 further comprising a connecting rod, wherein the detection device is disposed on the connecting rod, and the connecting rod is connected to the movable body.
4. A rheological monitoring device according to any one of claims 1 to 3 further comprising a cleaning device mounted to the moving body;
the detection device is also used for sending a second signal to the cleaning device when the rotational viscometer is detected to move to a preset height;
and the cleaning device is used for spraying the cleaning liquid to the stirring component if the second signal is received.
5. A rheological monitoring device according to any one of claims 1 to 3 wherein the tank is provided with a filter screen on one side for filtering drilling fluid entering the tank from the diversion trench.
6. A rheological monitoring device according to claim 5, wherein the screen is perpendicular to the flow direction of the flow guide slots.
7. A rheological monitoring device according to any one of claims 1 to 3 wherein the rheological parameters include at least one of: dynamic shear force, apparent viscosity, plastic viscosity, and shear force.
8. The apparatus of any one of claims 1 to 3, wherein the rotational viscometer is a six-speed rotational viscometer.
9. A rheological monitoring device according to any one of claims 1 to 3 wherein the data processing means is further adapted to control the frequency at which the rotational viscometer collects and/or outputs the rotational speed information based on the rotational speed information.
10. A rheological monitoring device according to any one of claims 1 to 3 further comprising a memory, the data processing device being further connected to the memory for storing the rheological parameter and/or the rotational speed information using the memory.
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| CN201810829067.4A CN110763593A (en) | 2018-07-25 | 2018-07-25 | Rheological property monitoring device of drilling fluid |
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| CN201810829067.4A CN110763593A (en) | 2018-07-25 | 2018-07-25 | Rheological property monitoring device of drilling fluid |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405944A (en) * | 2021-05-24 | 2021-09-17 | 彩虹（合肥）液晶玻璃有限公司 | Glass liquid viscosity monitoring device and method |
| CN114543755A (en) * | 2020-11-26 | 2022-05-27 | 中国石油天然气集团有限公司 | Height detection method and device for mobile drilling equipment |
| CN116067421A (en) * | 2022-11-18 | 2023-05-05 | 中国石油天然气集团有限公司 | Measuring device and measuring method for multi-point multifunctional detection of drilling fluid |
-
2018
- 2018-07-25 CN CN201810829067.4A patent/CN110763593A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543755A (en) * | 2020-11-26 | 2022-05-27 | 中国石油天然气集团有限公司 | Height detection method and device for mobile drilling equipment |
| CN113405944A (en) * | 2021-05-24 | 2021-09-17 | 彩虹（合肥）液晶玻璃有限公司 | Glass liquid viscosity monitoring device and method |
| CN116067421A (en) * | 2022-11-18 | 2023-05-05 | 中国石油天然气集团有限公司 | Measuring device and measuring method for multi-point multifunctional detection of drilling fluid |
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