CN215408538U - Intelligent micro-flow monitoring system for well drilling - Google Patents
Intelligent micro-flow monitoring system for well drilling Download PDFInfo
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- CN215408538U CN215408538U CN202120620718.6U CN202120620718U CN215408538U CN 215408538 U CN215408538 U CN 215408538U CN 202120620718 U CN202120620718 U CN 202120620718U CN 215408538 U CN215408538 U CN 215408538U
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Abstract
The utility model provides an intelligent micro-flow monitoring system for well drilling, which comprises a well drilling pump, an elevated tank structure, a liquid-gas separation device, a first pipeline and a second pipeline, wherein the well drilling pump is communicated with a well drilling liquid storage pool; the elevated groove structure is communicated with the drilling pump, and a second drilling fluid outlet of the elevated groove structure is communicated with a drilling fluid storage pool; a first drilling fluid inlet of the liquid-gas separation device is communicated with a fourth drilling fluid outlet of the elevated tank structure; the first end of the first pipeline is communicated with the liquid-gas separation device, the second end of the first pipeline forms a first drilling fluid outlet, a first flowmeter is arranged on the first pipeline, and the first drilling fluid outlet is communicated with a drilling fluid storage pool; the first end of the second pipeline is communicated with the liquid-gas separation device, the second end of the second pipeline forms a gas outlet, and a second flowmeter is arranged on the second pipeline. The utility model solves the problems that the flow monitoring mode in the prior art is unreasonable, the monitoring reliability of the flowmeter cannot be ensured, and the potential safety hazard of drilling exists.
Description
Technical Field
The utility model relates to the technical field of petroleum and natural gas drilling, in particular to an intelligent micro-flow monitoring system for well drilling.
Background
In the prior art, the flow monitoring of drilling fluid is usually carried out at the upstream of a liquid-gas separation device, but liquid and gas exist in the flow monitoring mode, the monitoring reliability of a flowmeter cannot be guaranteed, and the problem of potential safety hazard of drilling exists.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an intelligent micro-flow monitoring system for well drilling, which aims to solve the problems that in the prior art, the flow monitoring mode is unreasonable, the monitoring reliability of a flow meter cannot be ensured, and the potential safety hazard of well drilling exists.
In order to achieve the aim, the utility model provides an intelligent micro-flow monitoring system for well drilling, which comprises a well drilling pump, an elevated tank structure, a liquid-gas separation device, a first pipeline and a second pipeline, wherein the inlet of the well drilling pump is communicated with a drilling fluid storage tank; the elevated groove structure is communicated with an outlet of the drilling pump, and a second drilling fluid outlet of the elevated groove structure is communicated with the drilling fluid storage pool to form a first drilling fluid circulating pipeline; a first drilling fluid inlet of the liquid-gas separation device is communicated with a fourth drilling fluid outlet of the elevated tank structure; the first end of the first pipeline is communicated with the liquid-gas separation device, the second end of the first pipeline forms a first drilling fluid outlet of the liquid-gas separation device, a first flowmeter is arranged on the first pipeline, and the first drilling fluid outlet is communicated with a drilling fluid storage pool to form a second drilling fluid circulation pipeline; the first end of the second pipeline is communicated with the liquid-gas separation device, the second end of the second pipeline forms a gas outlet of the liquid-gas separation device, a second flowmeter is arranged on the second pipeline, and the gas outlet is communicated with the gas consumption device so as to consume gas flowing out of the gas outlet in the gas consumption device.
Further, the elevated tank structure includes a blowout prevention assembly having a first operating position communicating the outlet of the drilling pump with the second drilling fluid outlet, and the blowout prevention assembly having a second operating position communicating the outlet of the drilling pump with the fourth drilling fluid outlet.
Further, the elevated tank structure is arranged in parallel with the liquid-gas separation device.
Furthermore, the intelligent micro-flow monitoring system for well drilling further comprises a third pipeline, wherein the first end of the third pipeline is communicated with the liquid-gas separation device, and the second end of the third pipeline forms a first drilling fluid inlet; the communication position of the first end of the third pipeline and the liquid-gas separation device is higher than that of the first end of the first pipeline and the liquid-gas separation device, and the communication position of the first end of the second pipeline and the liquid-gas separation device is located at the top of the liquid-gas separation device.
Furthermore, the intelligent micro-flow monitoring system for well drilling further comprises a fourth pipeline, the first end of the fourth pipeline is communicated with the elevated groove structure, the second end of the fourth pipeline forms a second drilling fluid outlet, and a third flowmeter is arranged on the fourth pipeline.
Furthermore, intelligent micro-flow monitoring system for well drilling still includes the grouting pump, and the first end and the drilling fluid storage pond intercommunication of grouting pump, the second end of grouting pump and the third drilling fluid entry intercommunication of elevated tank structure.
Furthermore, the intelligent micro-flow monitoring system for well drilling further comprises a fifth pipeline, the first end of the fifth pipeline is communicated with the grouting pump, the second end of the fifth pipeline forms a third drilling fluid outlet, the third drilling fluid outlet is communicated with a third drilling fluid inlet, and a fourth flowmeter is arranged on the fifth pipeline.
Furthermore, the intelligent micro-flow monitoring system for well drilling further comprises a sixth pipeline, wherein the first end of the sixth pipeline is communicated with the well drilling pump, the second end of the sixth pipeline is communicated with the drilling fluid storage pool, and a fifth flowmeter is arranged on the sixth pipeline.
Furthermore, the intelligent micro-flow monitoring system for well drilling also comprises a signal transmission module, wherein the signal transmission module comprises a signal transmitting element and a signal receiving element, the signal transmitting element is used for transmitting the flow information of each flowmeter to the signal receiving element, the signal receiving element receives the flow information and transmits the flow information to a display, and the display is used for displaying the flow information in a graphic mode.
Furthermore, the intelligent micro-flow monitoring system for well drilling further comprises a driller room and a memory, wherein a display is arranged in the driller room; the memory is arranged in the driller room and used for storing the flow information so as to judge overflow or leakage according to the flow information.
Furthermore, the signal transmission module further comprises a signal transmission line, a first end of the signal transmission line is electrically connected with the signal transmitting element, a second end of the signal transmission line is electrically connected with the signal receiving element, and the signal transmission line is an FF bus.
Further, the first flow meter is a liquid flow meter and the second flow meter is a gas flow meter.
By applying the technical scheme of the utility model, the first flowmeter and the second flowmeter are respectively arranged on the first pipeline and the second pipeline which are communicated with the liquid-gas separation device, wherein the first flowmeter is used for monitoring the outlet flow of the first drilling fluid outlet, and the second flowmeter is used for monitoring the outlet flow of the gas outlet, so that the liquid and the gas are separated by the liquid-gas separation device and then flow monitoring is respectively carried out, the monitoring accuracy of the first flowmeter and the second flowmeter is ensured, the purpose of accurately judging the overflow or leakage phenomenon is achieved, and the drilling safety is further ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 shows a schematic structural view of a drill pump and driller's cabin according to an alternative embodiment of the present invention;
FIG. 2 shows a schematic structural view of a liquid-gas separation device and a driller's cabin according to an alternative embodiment of the present invention;
FIG. 3 shows a schematic structural view of an elevated tank structure and a driller's house according to an alternative embodiment of the present invention;
figure 4 shows a schematic structural view of a grouting pump and a driller's house according to an alternative embodiment of the utility model.
Wherein the figures include the following reference numerals:
10. a drilling pump; 20. a liquid-gas separation device; 21. a first drilling fluid inlet; 22. a first drilling fluid outlet; 23. a gas outlet; 30. a first conduit; 31. a first flow meter; 40. a second conduit; 41. a second flow meter; 50. a third pipeline; 60. an elevated tank structure; 62. a second drilling fluid outlet; 63. a third drilling fluid inlet; 70. a fourth conduit; 71. a third flow meter; 80. grouting pump; 90. a fifth pipeline; 91. a third drilling fluid outlet; 92. a fourth flow meter; 100. a sixth pipeline; 110. a fifth flow meter; 120. a driller room; 130. a signal transmission line; 140. a safety valve; 150. a pressure gauge; 160. an annular blowout preventer; 170. a ram blowout preventer; 180. drilling a four-way joint; 181. a fourth drilling fluid outlet; 182. a second drilling fluid inlet; 190. a blowout prevention assembly.
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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. 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 utility model provides an intelligent micro-flow monitoring system for well drilling, aiming at solving the problems that the flow monitoring mode in the prior art is unreasonable, the monitoring reliability of a flowmeter cannot be guaranteed, and potential safety hazards of well drilling exist.
As shown in fig. 1 and 2, the intelligent micro-flow monitoring system for well drilling comprises a well drilling pump 10, an elevated tank structure 60, a liquid-gas separation device 20, a first pipeline 30 and a second pipeline 40, wherein an inlet of the well drilling pump 10 is communicated with a drilling fluid storage tank; the elevated channel structure 60 is in communication with the outlet of the drill pump 10, and the second drilling fluid outlet 62 of the elevated channel structure 60 is in communication with a drilling fluid reservoir to form a first drilling fluid circulation line; the first drilling fluid inlet 21 of the liquid-gas separation device 20 is communicated with the fourth drilling fluid outlet 181 of the elevated tank structure 60; a first end of the first pipeline 30 is communicated with the liquid-gas separation device 20, a second end of the first pipeline 30 forms a first drilling fluid outlet 22 of the liquid-gas separation device 20, the first pipeline 30 is provided with a first flowmeter 31, and the first drilling fluid outlet 22 is communicated with a drilling fluid storage tank to form a second drilling fluid circulation pipeline; a first end of the second pipe 40 is communicated with the liquid-gas separation device 20, a second end of the second pipe 40 forms the gas outlet 23 of the liquid-gas separation device 20, and a second flow meter 41 is provided on the second pipe 40, the gas outlet 23 being communicated with a gas consumption device to consume the gas flowing out from the gas outlet 23 in the gas consumption device.
Through set up first flowmeter 31 and second flowmeter 41 respectively on first pipeline 30 and the second pipeline 40 with liquid-gas separation device 20 intercommunication, wherein, first flowmeter 31 is used for monitoring the export flow of first drilling fluid export 22, simultaneously, second flowmeter 41 is used for monitoring the export flow of gas outlet 23, like this, carry out flow monitoring respectively again after liquid and gas separation through liquid-gas separation device 20, ensure the monitoring accuracy of first flowmeter 31 and second flowmeter 41, thereby reach the purpose of accurate judgement overflow or the leakage phenomenon, and then guarantee well drilling safety.
It should be noted that, in the present application, when the second drilling fluid outlet 62 is communicated with the drilling fluid storage tank, the fourth drilling fluid outlet 181 is not communicated with the first drilling fluid inlet 21; alternatively, when the fourth drilling fluid outlet 181 is in communication with the first drilling fluid inlet 21, the second drilling fluid outlet 62 is not in communication with the drilling fluid storage reservoir.
As shown in FIG. 3, the elevated tank structure 60 includes a blowout preventer assembly 190, the blowout preventer assembly 190 having a first operating position in communication with the outlet of the drill pump 10 and the second drilling fluid outlet 62, and the blowout preventer assembly 190 having a second operating position in communication with the outlet of the drill pump 10 and the fourth drilling fluid outlet 181.
As shown in fig. 3, the blowout preventer assembly 190 includes an annular blowout preventer 160 and a ram blowout preventer 170 arranged in series, the annular blowout preventer 160 and the ram blowout preventer 170 each being in an open position when the blowout preventer assembly 190 is in a first operating position, and the annular blowout preventer 160 and the ram blowout preventer 170 each being in a closed position when the blowout preventer assembly 190 is in a second operating position.
As shown in FIG. 3, the elevated tank structure 60 also includes a drilling spool 180, the drilling spool 180 being connected to one of the annular blowout preventer 160 and the ram blowout preventer 170, the drilling spool 180 having a fourth drilling fluid outlet 181.
As shown in FIG. 3, the drilling spool 180 also has a second drilling fluid inlet 182, the second drilling fluid inlet 182 communicating with a drilling fluid reservoir.
Optionally, an elevated tank structure 60 is provided in parallel with the liquid-gas separation device 20.
As shown in fig. 2, the intelligent micro-flow monitoring system for well drilling further comprises a third pipeline 50, a first end of the third pipeline 50 is communicated with the liquid-gas separation device 20, and a second end of the third pipeline 50 forms a first drilling fluid inlet 21; wherein, the communication position of the first end of the third pipeline 50 and the liquid-gas separation device 20 is higher than the communication position of the first end of the first pipeline 30 and the liquid-gas separation device 20, and the communication position of the first end of the second pipeline 40 and the liquid-gas separation device 20 is located at the top of the liquid-gas separation device 20. In this way, the drilling fluid is discharged through the first drilling fluid outlet 22 by the gravity of the drilling fluid itself, and the gas is discharged from the second pipeline 40 of the liquid-gas separation device 20 by the light weight of the gas, so that the separation reliability of the gas and the liquid is ensured.
In the present application, the position at which the first end of the third pipe 50 communicates with the liquid-gas separation device 20 is higher than the position at which the first end of the first pipe 30 communicates with the liquid-gas separation device 20, with reference to the plane on which the bottom of the liquid-gas separation device 20 is located. In this way, the backflow phenomenon caused by the excessively low communication position of the third pipe 50 with the liquid-gas separation device 20 is avoided.
As shown in fig. 3, the intelligent micro-flow monitoring system for well drilling further includes a fourth pipe 70, a first end of the fourth pipe 70 is communicated with the elevated tank structure 60, a second end of the fourth pipe 70 forms a second drilling fluid outlet 62, and a third flow meter 71 is disposed on the fourth pipe 70. Therefore, the outlet flow of the second drilling fluid outlet 62 of the fourth pipeline 70 is monitored in real time through the third flow meter 71, so that the outlet flow of the drilling fluid can be kept within a preset value range, the pressure in the whole system can be stable, and the drilling safety is further ensured.
As shown in fig. 4, the intelligent micro-flow monitoring system for well drilling further includes a grouting pump 80, a first end of the grouting pump 80 is communicated with the drilling fluid storage tank, and a second end of the grouting pump 80 is communicated with the third drilling fluid inlet 63 of the elevated tank structure 60. In this way, the grouting pump 80 serves to replenish the elevated tank structure 60 with drilling fluid in a timely manner.
It should be noted that, in the present application, a drilling pump 10 is used in the drilling process, and the drilling fluid carries the rock debris generated in the drilling process through circulation of the drilling fluid; the grouting pump 80 is used in the tripping process, during tripping, the drilling tool for drilling occupies part of space in the shaft, the liquid column in the shaft can descend after the drilling tool is extracted, and in order to ensure that the height of the liquid column in the shaft is not changed, drilling fluid is filled into the shaft through the grouting pump 80 in the tripping process.
As shown in fig. 4, the intelligent micro-flow monitoring system for well drilling further includes a fifth pipeline 90, a first end of the fifth pipeline 90 is communicated with the grouting pump 80, a second end of the fifth pipeline 90 forms a third drilling fluid outlet 91, the third drilling fluid outlet 91 is communicated with the third drilling fluid inlet 63, and a fourth flowmeter 92 is arranged on the fifth pipeline 90. In this way, the fourth flow meter 92 functions to monitor the outlet flow rate of the third drilling fluid outlet 91 of the fifth pipe 90 in real time.
As shown in fig. 1, the intelligent micro-flow monitoring system for well drilling further includes a sixth pipeline 100, a first end of the sixth pipeline 100 is communicated with the well drilling pump 10, a second end of the sixth pipeline 100 is communicated with the drilling fluid storage tank, and a fifth flow meter 110 is disposed on the sixth pipeline 100. In this way, the fifth flow meter 110 functions to monitor the inlet flow of the sixth pipe 100 in real time.
Optionally, the intelligent micro-flow monitoring system for well drilling further comprises a signal transmission module, wherein the signal transmission module comprises a signal transmitting element and a signal receiving element, the signal transmitting element is used for transmitting the flow information of each flowmeter to the signal receiving element, the signal receiving element receives the flow information and transmits the flow information to a display, and the display is used for displaying the flow information in a graphical mode. Therefore, the intelligent degree of the intelligent micro-flow monitoring system for well drilling is greatly improved.
As shown in fig. 1 to 4, the intelligent micro-flow monitoring system for well drilling further includes a driller room 120 and a memory, wherein a display is arranged in the driller room 120; the memory is disposed in the driller's house 120, and the memory is used for storing the flow information to judge overflow or leakage according to the flow information. Therefore, the operator can make an accurate judgment according to the display information of the display in the driller room 120, and the purpose of accurately judging the overflow or leakage phenomenon is achieved.
It should be noted that, in the present application, the driller rooms 120 in fig. 1 to 4 are the same driller room 120.
As shown in fig. 1 to 4, the signal transmission module further includes a signal transmission line 130, a first end of the signal transmission line is electrically connected to the signal transmitting element, a second end of the signal transmission line is electrically connected to the signal receiving element, and the signal transmission line 130 is an FF bus. In this way, the signal transmission line 130 functions to accurately transmit the flow information of the drilling fluid.
In the present application, the first flowmeter 31 is a liquid flowmeter, and the second flowmeter 41 is a gas flowmeter.
It should be noted that, in the present application, the intelligent micro-flow monitoring system for well drilling further includes a safety valve 140 and a pressure gauge 150, and both the safety valve 140 and the pressure gauge 150 are connected to the liquid-gas separation device 20 to ensure the working safety of the liquid-gas separation device 20.
Working condition one (normal cycle working condition)
When the flow trend line detected by the fifth flow meter 110 coincides with the flow trend line detected by the third flow meter 71, and the flow difference integral value of the outlet and the inlet of the elevated tank structure 60 is 0, it indicates that the elevated tank structure 60 is operating normally;
when the flow trend line detected by the fifth flow meter 110 is higher than the flow trend line detected by the third flow meter 71, and the integral value of the flow difference between the outlet and the inlet of the elevated tank structure 60 is a negative number, it indicates that the elevated tank structure 60 has a leakage phenomenon;
when the flow trend line detected by the fifth flow meter 110 is lower than the flow trend line detected by the third flow meter 71, and the flow difference integral value of the outlet and the inlet of the elevated tank structure 60 is a positive number, it indicates that the elevated tank structure 60 has an overflow phenomenon.
Working condition two (stop pump static working condition)
When the flow detected by the third flow meter 71 is 0 and the outlet flow integral value is 0, indicating that the working condition of the intelligent micro-flow monitoring system for well drilling is normal;
when the flow detected by the third flow meter 71 is not 0 and the outlet flow integral value is a positive number, the overflow phenomenon of the intelligent micro-flow monitoring system for well drilling is indicated.
Working condition three (tripping working condition)
Monitoring the flow and density trend lines, flow integral values and trend lines of the fourth flowmeter 92 and the third flowmeter 71 in real time, wherein the flow difference integral value of the outlet flow and the inlet flow is a negative number, and the absolute value of the flow difference integral value is equal to the theoretical grouting amount, so that the working condition of the intelligent micro-flow monitoring system for well drilling is normal;
monitoring the flow and density trend lines, flow integral values and trend lines of the fourth flowmeter 92 and the third flowmeter 71 in real time, wherein the flow difference integral value of the outlet flow and the inlet flow is non-negative or negative, but the absolute value of the flow difference integral value is less than the theoretical grouting amount, and the overflow phenomenon of the intelligent micro-flow monitoring system for well drilling is shown;
and monitoring the flow and density trend lines, the flow integral value and the trend line of the fourth flowmeter 92 and the third flowmeter 71 in real time, wherein the flow difference integral value of the outlet flow and the inlet flow is negative, but the absolute value of the flow difference integral value is larger than the theoretical grouting amount, and the leakage phenomenon of the intelligent micro-flow monitoring system for well drilling is shown.
Working condition four (lower drilling working condition)
Monitoring the flow and density trend line, the flow integral value and the trend line of the third flow meter 71 in real time, wherein the flow integral value of the outlet flow is equal to the theoretical mud displacement, and the working condition of the intelligent micro-flow monitoring system for well drilling is normal;
monitoring a flow and density trend line, a flow integral value and a trend line of the third flowmeter 71 in real time, wherein the flow integral value of outlet flow is greater than theoretical mud displacement, and the overflow phenomenon of the intelligent micro-flow monitoring system for well drilling is shown;
and monitoring the flow and density trend line, the flow integral value and the trend line of the third flowmeter 71 in real time, wherein the flow integral value of the outlet flow is less than the theoretical mud displacement, and the leakage phenomenon of the intelligent micro-flow monitoring system for well drilling is shown.
Working condition five (abnormal conditions of circulation exhaust, circulation well killing, circulation density reduction, etc.)
Monitoring the flow and density trend lines, the flow integral value and the trend line of the fifth flowmeter 110 and the first flowmeter 31 in real time, and the flow difference integral value of the outlet and the inlet in a stable manner, wherein the stable flow integral value indicates that the working condition of the intelligent micro-flow monitoring system for well drilling is normal, and the gas flow trend line of the second flowmeter 41 is monitored at the same time;
monitoring the flow and density trend lines, the flow integral value and the trend line of the fifth flowmeter 110 and the first flowmeter 31 in real time, and the flow difference integral value of the outlet and the inlet continuously rising, indicating that the intelligent micro-flow monitoring system for well drilling has a continuous overflow phenomenon, and monitoring the gas flow trend line of the second flowmeter 41;
monitoring the flow and density trend lines, the flow integral value and the trend line of the fifth flowmeter 110 and the first flowmeter 31 in real time, and the flow difference integral value of the outlet and the inlet continuously decrease, which indicates that the intelligent micro-flow monitoring system for well drilling has continuous leakage phenomenon, and simultaneously monitors the gas flow trend line of the second flowmeter 41.
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.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures.
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 is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
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 capable of operation in sequences other than those illustrated or described herein.
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 (12)
1. An intelligent micro-flow monitoring system for well drilling, comprising:
a drill pump (10), wherein the inlet of the drill pump (10) is communicated with a drilling fluid storage pool;
an elevated tank structure (60), the elevated tank structure (60) being in communication with an outlet of the drill pump (10), a second drilling fluid outlet (62) of the elevated tank structure (60) being in communication with the drilling fluid storage tank to form a first drilling fluid circulation line;
a liquid-gas separation device (20), a first drilling fluid inlet (21) of the liquid-gas separation device (20) being in communication with a fourth drilling fluid outlet (181) of the elevated tank structure (60);
a first pipeline (30), wherein a first end of the first pipeline (30) is communicated with the liquid-gas separation device (20), a second end of the first pipeline (30) forms a first drilling fluid outlet (22) of the liquid-gas separation device (20), a first flow meter (31) is arranged on the first pipeline (30), and the first drilling fluid outlet (22) is communicated with the drilling fluid storage tank to form a second drilling fluid circulation pipeline;
a second pipe (40), a first end of the second pipe (40) is communicated with the liquid-gas separation device (20), a second end of the second pipe (40) forms a gas outlet (23) of the liquid-gas separation device (20), and a second flow meter (41) is arranged on the second pipe (40), the gas outlet (23) is communicated with a gas consumption device, so that the gas flowing out from the gas outlet (23) is consumed in the gas consumption device.
2. The intelligent micro-flow monitoring system for drilling well as claimed in claim 1 wherein the elevated tank structure (60) includes a blowout prevention assembly (190), the blowout prevention assembly (190) having a first operating position communicating an outlet of the drilling pump (10) with the second drilling fluid outlet (62), and the blowout prevention assembly (190) having a second operating position communicating an outlet of the drilling pump (10) with the fourth drilling fluid outlet (181).
3. The intelligent micro-flow monitoring system for drilling well as claimed in claim 1, wherein the elevated tank structure (60) is arranged in parallel with the liquid-gas separation device (20).
4. The intelligent micro-flow monitoring system for drilling well as claimed in claim 1, further comprising:
a third conduit (50), a first end of the third conduit (50) being in communication with the liquid-gas separation device (20), a second end of the third conduit (50) forming the first drilling fluid inlet (21);
wherein the communication position of the first end of the third pipeline (50) and the liquid-gas separation device (20) is higher than the communication position of the first end of the first pipeline (30) and the liquid-gas separation device (20), and the communication position of the first end of the second pipeline (40) and the liquid-gas separation device (20) is positioned at the top of the liquid-gas separation device (20).
5. The intelligent micro-flow monitoring system for drilling well as claimed in claim 1, further comprising:
a fourth conduit (70), a first end of the fourth conduit (70) being in communication with the elevated tank structure (60), a second end of the fourth conduit (70) forming the second drilling fluid outlet (62), the fourth conduit (70) being provided with a third flow meter (71).
6. The intelligent micro-flow monitoring system for drilling well as claimed in claim 5, further comprising:
and a grouting pump (80), wherein the first end of the grouting pump (80) is communicated with the drilling fluid storage pool, and the second end of the grouting pump (80) is communicated with a third drilling fluid inlet (63) of the elevated groove structure (60).
7. The intelligent micro-flow monitoring system for drilling well as claimed in claim 6, further comprising:
the first end of the fifth pipeline (90) is communicated with the grouting pump (80), the second end of the fifth pipeline (90) forms a third drilling fluid outlet (91), the third drilling fluid outlet (91) is communicated with the third drilling fluid inlet (63), and a fourth flow meter (92) is arranged on the fifth pipeline (90).
8. The intelligent micro-flow monitoring system for drilling well as claimed in claim 1, further comprising:
a sixth pipeline (100), wherein a first end of the sixth pipeline (100) is communicated with the drilling pump (10), a second end of the sixth pipeline (100) is communicated with the drilling fluid storage tank, and a fifth flow meter (110) is arranged on the sixth pipeline (100).
9. The intelligent micro-flow monitoring system for well drilling as claimed in any one of claims 1-8, further comprising:
the signal transmission module comprises a signal transmitting element and a signal receiving element, wherein the signal transmitting element is used for transmitting the flow information of each flowmeter to the signal receiving element, the signal receiving element receives the flow information and transmits the flow information to a display, and the display is used for displaying the flow information in a graphic mode.
10. The intelligent micro-flow monitoring system for drilling well as claimed in claim 9, further comprising:
a driller's house (120), the display being disposed within the driller's house (120);
a memory disposed within the driller's house (120) and configured to store the flow information to determine an overflow or a loss based on the flow information.
11. The intelligent micro-flow monitoring system for well drilling according to claim 9, wherein the signal transmission module further comprises a signal transmission line (130), a first end of the signal transmission line (130) is electrically connected to the signal transmitting element, a second end of the signal transmission line (130) is electrically connected to the signal receiving element, and the signal transmission line (130) is an FF bus.
12. The intelligent micro-flow monitoring system for well drilling as claimed in claim 1, wherein the first flow meter (31) is a liquid flow meter and the second flow meter (41) is a gas flow meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120620718.6U CN215408538U (en) | 2021-03-26 | 2021-03-26 | Intelligent micro-flow monitoring system for well drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120620718.6U CN215408538U (en) | 2021-03-26 | 2021-03-26 | Intelligent micro-flow monitoring system for well drilling |
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| Publication Number | Publication Date |
|---|---|
| CN215408538U true CN215408538U (en) | 2022-01-04 |
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| CN202120620718.6U Active CN215408538U (en) | 2021-03-26 | 2021-03-26 | Intelligent micro-flow monitoring system for well drilling |
Country Status (1)
| Country | Link |
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| CN (1) | CN215408538U (en) |
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2021
- 2021-03-26 CN CN202120620718.6U patent/CN215408538U/en active Active
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