CN110761776A - Flow monitoring system, method and rotary valve mud pulse generator - Google Patents
Flow monitoring system, method and rotary valve mud pulse generator Download PDFInfo
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- CN110761776A CN110761776A CN201810744094.1A CN201810744094A CN110761776A CN 110761776 A CN110761776 A CN 110761776A CN 201810744094 A CN201810744094 A CN 201810744094A CN 110761776 A CN110761776 A CN 110761776A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 abstract description 25
- 238000005259 measurement Methods 0.000 abstract description 16
- 239000002002 slurry Substances 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000003208 petroleum Substances 0.000 abstract description 3
- 239000000306 component Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000013256 coordination polymer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
- E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
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- General Life Sciences & Earth Sciences (AREA)
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- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the technical field of measurement while drilling of petroleum drilling, and discloses a flow monitoring system and method and a rotary valve mud pulse generator. Wherein, this system includes: the detection device is used for detecting the mud pressure of the mud pump; and the controller is connected with the detection device and is used for judging the state of the mud pump according to a plurality of mud pressures detected in a preset time period and a preset pressure. Therefore, the on/off state of the slurry pump can be accurately judged under various complex slurry conditions in the drilling construction, and a basis can be provided for code transmission of a wireless measurement while drilling system and whether the wireless measurement while drilling system enters an electricity-saving mode.
Description
Technical Field
The invention relates to the technical field of measurement while drilling of petroleum drilling, in particular to a flow monitoring system and method and a rotary valve mud pulse generator.
Background
At present, a great number of wireless measurement while drilling systems are adopted in domestic petroleum drilling construction to measure and monitor borehole trajectory parameters. As one of the downhole key components of the wireless measurement while drilling system, compared with the traditional piston linear motion type positive pulser, the rotary valve mud pulser drives the rotor to do shearing motion in the direction vertical to the mud flow direction by means of the direct current brushless motor so as to change the mud pressure and generate a pulse signal, and has obvious advantages in the well conditions of high temperature, high pressure and addition of plugging agents. The flow monitoring is an important function of the pulser, and mainly monitors the states of a pump in the drilling construction, such that the pulser is used for a wireless drilling system to complete the coding and sending of a measurement sequence. Therefore, the flow monitoring judges whether the pump state is accurate or not, directly influences whether the system can send a corresponding sequence when the pump is started according to expected requirements or not, and enters a power saving mode when the pump is closed so as to save electric energy. In the prior art, a silicon micro accelerometer is used for monitoring vibration caused by slurry flow when a pump is started, so that the state of switching off/switching off the pump is judged. However, the method is greatly influenced by working conditions such as mud discharge capacity, mud density and mud viscosity, and particularly misjudgment often occurs when the discharge capacity is small and the mud density is small.
Disclosure of Invention
The invention provides a flow monitoring system and method and a rotary valve mud pulse generator, which can solve the technical problems that the monitoring method and system in the prior art are greatly influenced by working conditions and are easy to misjudge.
The invention provides a flow monitoring system, wherein the system comprises: the detection device is used for detecting the mud pressure of the mud pump; and the controller is connected with the detection device and is used for judging the state of the mud pump according to a plurality of mud pressures detected in a preset time period and a preset pressure.
Preferably, the controller determining the state of the mud pump according to a plurality of mud pressures detected within a predetermined period of time and a predetermined pressure includes:
comparing a plurality of mud pressures detected during each of a plurality of sub-periods within the predetermined period of time to the predetermined pressure;
when the mud pressure which is greater than or equal to a first preset number in the plurality of mud pressures detected in each sub-period is higher than the preset pressure, judging that the state of the mud pump is a pump-on state;
and when the mud pressure less than or equal to a second preset number of the mud pressures detected in each sub-period is lower than the preset pressure, judging the state of the mud pump to be a pump-off state.
Preferably, the system further comprises a filter connected to the detection device for filtering the mud pressure detected by the detection device.
Preferably, the system further comprises an analog-to-digital converter connected between the filter and the controller for analog-to-digital converting the filtered mud pressure.
Preferably, the detection device is a piezoelectric sensor.
The invention also provides a rotary valve mud pulse generator which is characterized by comprising the flow monitoring system.
The invention also provides a flow monitoring method, wherein the method comprises the following steps:
detecting the mud pressure of a mud pump;
and judging the state of the mud pump according to a plurality of mud pressures detected in a preset time period and a preset pressure.
Preferably, the judging the state of the mud pump according to the plurality of mud pressures detected within the predetermined time period and the predetermined pressure comprises:
comparing a plurality of mud pressures detected during each of a plurality of sub-periods within the predetermined period of time to the predetermined pressure;
when the mud pressure which is greater than or equal to a first preset number in the plurality of mud pressures detected in each sub-period is higher than the preset pressure, judging that the state of the mud pump is a pump-on state;
and when the mud pressure less than or equal to a second preset number of the mud pressures detected in each sub-period is lower than the preset pressure, judging the state of the mud pump to be a pump-off state.
Preferably, the method further comprises filtering the detected mud pressure.
Preferably, the method further comprises analog-to-digital converting the filtered mud pressure.
By applying the technical scheme of the invention, the mud pressure of the mud pump can be detected in real time, and the state of the mud pump can be judged according to a plurality of mud pressures detected in real time in a preset time period and preset pressure. Therefore, the on/off state of the slurry pump can be accurately judged under various complex slurry conditions in the drilling construction, and a basis can be provided for code transmission of a wireless measurement while drilling system and whether the wireless measurement while drilling system enters an electricity-saving mode.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 illustrates a block diagram of a flow monitoring system provided in accordance with an embodiment of the present invention; and
fig. 2 is a flowchart illustrating a flow monitoring method according to an embodiment of the present invention.
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 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 invention, 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.
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.
FIG. 1 is a block diagram illustrating a flow monitoring system according to an embodiment of the present invention
As shown in fig. 1, an embodiment of the present invention provides a flow monitoring system, where the system may include: the detection device 10 is used for detecting the mud pressure of the mud pump; and the controller 12 is connected with the detection device 10 and is used for judging the state of the mud pump according to a plurality of mud pressures detected in a preset time period and a preset pressure.
Wherein controller 12 may preferably be ATMEG 128.
By applying the technical scheme of the invention, the mud pressure of the mud pump can be detected in real time, and the state of the mud pump can be judged according to a plurality of mud pressures detected in real time in a preset time period and preset pressure. Therefore, the on/off state of the slurry pump can be accurately judged under various complex slurry conditions in the drilling construction, and a basis can be provided for code transmission of a wireless measurement while drilling system and whether the wireless measurement while drilling system enters an electricity-saving mode.
Based on the determined state of the mud pump, a control level can be output to provide a sending code for a down-hole core component probe of the wireless measurement while drilling system and serve as a basis for entering a power saving mode.
According to an embodiment of the present invention, the controller 12 determining the state of the mud pump according to the plurality of mud pressures detected within the predetermined time period and the predetermined pressure may include:
comparing a plurality of mud pressures detected during each of a plurality of sub-periods within the predetermined period of time to the predetermined pressure;
when the mud pressure which is greater than or equal to a first preset number in the plurality of mud pressures detected in each sub-period is higher than the preset pressure, judging that the state of the mud pump is a pump-on state;
and when the mud pressure less than or equal to a second preset number of the mud pressures detected in each sub-period is lower than the preset pressure, judging the state of the mud pump to be a pump-off state.
By judging the mud pressure change in the preset time period, the influence of disturbance on the monitoring result during actual working can be eliminated. That is, only if the pressure change frequently exceeds the threshold value can be used as the entry condition for starting the pump; conversely, an entry condition for pump shut-down can only be determined if the pressure change steadily occurs below a threshold value.
For example, before starting normal operation, setting of a predetermined period of time (for example, on/off pump waiting time) is performed in advance. When operating normally, the judgment may be made with, for example, 5s as one sub-period (a small window, the total time of the predetermined period is an integral multiple of 5 s), and the timing sampling may be made with, for example, a cycle of 50ms in each sub-period. When more than 90 (the first predetermined number) of 100 collected data within 5s is greater than a pressure threshold of, for example, 1PSI, the small window is set to an Open Pump (OP) state; the small window is set to a pump-off (CP) state when less than 10 of the 100 collected data within 5s (the second predetermined number) is less than a pressure threshold of, for example, 1 PSI. When all the 5s small windows in the pump starting waiting time are in an OP state, judging that the slurry pump enters a pump starting state; and when all the 5s small windows in the waiting time of the pump closing are in the CP state, judging that the slurry pump enters the pump closing state.
In order to save memory cells to the maximum extent, the state of each 5s small window only occupies 1 Bit. For this purpose, an array VibTestList [7] is designed to store the pressure state over a period of time. The array can store 56 states at most, and only 52 bits of the array are used in actual design. That is, 1bit is occupied every 5s of small window state, 255s of data can be stored at most, and the setting range of the waiting time of the on/off pump is 5-255 s.
It will be appreciated by persons skilled in the art that the above examples are illustrative only and are not intended to be limiting.
According to an embodiment of the present invention, the system may further include a filter 14 connected to the detection device 10 for filtering the mud pressure detected by the detection device 10.
By providing the filter 14, the data (i.e., the mud pressure signal) detected by the detection device 10 may be filtered to remove high frequency components (e.g., second order filtering to remove high frequency components).
The filter 14 may be, for example, an active filter (for example, the active filter is a second-order filter composed of the comparator LM158 and a resistance-capacitance element).
According to one embodiment of the invention, the system may further include an analog-to-digital converter (A/D converter) 16 coupled between the filter 14 and the controller 12 for analog-to-digital converting the filtered mud pressure.
The analog-to-digital converter 16 may be, for example, a 24-bit converter AD 7714.
By providing the analog-to-digital converter 16, the data filtered by the filter 14 can be converted into a digital signal, so that the converted digital signal can be output to the controller 12 for the controller 12 to perform subsequent processing operations.
That is, the mud pressure detected by the detection device 10 may be sequentially filtered and analog-to-digital converted before the controller 12 performs corresponding operations, and finally the controller 12 may receive the analog-to-digital converted digital signal.
The filter 14 may be provided independently from the analog-to-digital converter 16, or may be provided integrally with the analog-to-digital converter 16.
According to one embodiment of the invention, the detection device 10 may be a piezoelectric sensor (e.g., a piezoelectric ceramic sensor, preferably a CM-01B sensor).
As can be appreciated in connection with the above embodiments, the flow rate can be monitored by monitoring pressure fluctuations generated by the mud pump using piezoelectric sensors.
The system may further comprise storage means 18 for storage of pump status data (i.e. the controller 12 stores the status results in the storage means, such as FLASH memory M25P64, which may be 64 MBit) and communication means 20 for communication with an external device (e.g. a computer) (i.e. for data interaction between the flow monitoring system and the computer, including reading of stored data and setting of on/off pump latency, such as RS485 communication circuit MAX13487 with automatic transceiving functionality).
Wherein the stored pump status data can be used for later data reading and failure analysis.
It will be appreciated by those skilled in the art that the above descriptions of the model numbers of the devices in the system are merely exemplary and not intended to limit the present invention.
The embodiment of the invention also provides a rotary valve mud pulse generator, wherein the rotary valve mud pulse generator comprises the flow monitoring system in the embodiment.
For example, the sensing device 10 may be mounted on the frame of a rotary valve mud pulser, sensitive to mud pressure changes.
By arranging the flow detection system in the rotary valve mud pulse generator according to the embodiment of the invention, the mud pressure of the mud pump can be detected in real time, and the state of the mud pump can be judged according to a plurality of mud pressures detected in real time in a preset time period and preset pressure. Therefore, the on/off state of the slurry pump can be accurately judged under various complex slurry conditions in the drilling construction, and a basis can be provided for code transmission of a wireless measurement while drilling system and whether the wireless measurement while drilling system enters an electricity-saving mode.
Fig. 2 is a flowchart illustrating a flow monitoring method according to an embodiment of the present invention.
As shown in fig. 2, an embodiment of the present invention provides a traffic monitoring method, where the method may include:
s200, detecting the mud pressure of a mud pump;
and S202, judging the state of the mud pump according to a plurality of mud pressures detected in a preset time period and preset pressure.
By applying the technical scheme of the invention, the mud pressure of the mud pump can be detected in real time, and the state of the mud pump can be judged according to a plurality of mud pressures detected in real time in a preset time period and preset pressure. Therefore, the on/off state of the slurry pump can be accurately judged under various complex slurry conditions in the drilling construction, and a basis can be provided for code transmission of a wireless measurement while drilling system and whether the wireless measurement while drilling system enters an electricity-saving mode.
According to an embodiment of the present invention, the determining the state of the mud pump according to the plurality of mud pressures detected within the predetermined time period and the predetermined pressure in S202 may include:
comparing a plurality of mud pressures detected during each of a plurality of sub-periods within the predetermined period of time to the predetermined pressure;
when the mud pressure which is greater than or equal to a first preset number in the plurality of mud pressures detected in each sub-period is higher than the preset pressure, judging that the state of the mud pump is a pump-on state;
and when the mud pressure less than or equal to a second preset number of the mud pressures detected in each sub-period is lower than the preset pressure, judging the state of the mud pump to be a pump-off state.
According to an embodiment of the invention, the method may further comprise filtering the detected mud pressure.
According to an embodiment of the invention, the method may further comprise analog-to-digital converting the filtered mud pressure.
The method described in fig. 2 corresponds to the system described in fig. 1, and for a specific example, reference may be made to the description of the system in fig. 1, which is not repeated herein.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
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 should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
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 (10)
1. A flow monitoring system, comprising:
the detection device is used for detecting the mud pressure of the mud pump;
and the controller is connected with the detection device and is used for judging the state of the mud pump according to a plurality of mud pressures detected in a preset time period and a preset pressure.
2. The system of claim 1, wherein the controller determining the status of the mud pump based on the plurality of mud pressures sensed over the predetermined period of time and the predetermined pressure comprises:
comparing a plurality of mud pressures detected during each of a plurality of sub-periods within the predetermined period of time to the predetermined pressure;
when the mud pressure which is greater than or equal to a first preset number in the plurality of mud pressures detected in each sub-period is higher than the preset pressure, judging that the state of the mud pump is a pump-on state;
and when the mud pressure less than or equal to a second preset number of the mud pressures detected in each sub-period is lower than the preset pressure, judging the state of the mud pump to be a pump-off state.
3. The system of claim 2, further comprising a filter coupled to the sensing device for filtering the mud pressure sensed by the sensing device.
4. The system of claim 3, further comprising an analog-to-digital converter coupled between the filter and the controller for analog-to-digital converting the filtered mud pressure.
5. The system of any one of claims 1-4, wherein the detection device is a piezoelectric sensor.
6. A rotary valve mud pulser, comprising a flow monitoring system according to any of claims 1 to 5.
7. A method of flow monitoring, the method comprising:
detecting the mud pressure of a mud pump;
and judging the state of the mud pump according to a plurality of mud pressures detected in a preset time period and a preset pressure.
8. The method of claim 7, wherein determining the state of the mud pump based on the plurality of mud pressures sensed over the predetermined period of time and the predetermined pressure comprises:
comparing a plurality of mud pressures detected during each of a plurality of sub-periods within the predetermined period of time to the predetermined pressure;
when the mud pressure which is greater than or equal to a first preset number in the plurality of mud pressures detected in each sub-period is higher than the preset pressure, judging that the state of the mud pump is a pump-on state;
and when the mud pressure less than or equal to a second preset number of the mud pressures detected in each sub-period is lower than the preset pressure, judging the state of the mud pump to be a pump-off state.
9. The method of claim 8, further comprising filtering the detected mud pressure.
10. The method of claim 9, further comprising analog-to-digital converting the filtered mud pressure.
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| CN201810744094.1A CN110761776A (en) | 2018-07-09 | 2018-07-09 | Flow monitoring system, method and rotary valve mud pulse generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271053A (en) * | 2020-03-02 | 2020-06-12 | 中国石油大学(华东) | Water injection well pressure pulse communication device, system and method for dynamic pressure detection |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1266142A (en) * | 1999-03-04 | 2000-09-13 | 施卢默格控股有限公司 | Method for obtaining survey of leakage and structum integrity by finite downhole pressure test |
| US20110011594A1 (en) * | 2007-09-07 | 2011-01-20 | Multi-Shot Llc | Mud Pulse Telemetry System |
| CN103291284A (en) * | 2013-05-14 | 2013-09-11 | 中国海洋石油总公司 | Method and device both based on annulus pressure measuring while drilling and for early monitoring gas invasion of wellhole |
| CN103670380A (en) * | 2013-12-18 | 2014-03-26 | 贝兹维仪器(苏州)有限公司 | Down-hole slurry pulse signal generation device |
| CN204045014U (en) * | 2014-09-15 | 2014-12-24 | 北京精密机电控制设备研究所 | A kind of down-hole information acquisition system |
| CN104481854A (en) * | 2014-12-10 | 2015-04-01 | 天水电气传动研究所有限责任公司 | Sludge pump control method for petroleum drilling machine |
| CN104680758A (en) * | 2014-09-15 | 2015-06-03 | 北京精密机电控制设备研究所 | Up-hole mud pressure pulse acquiring system |
| CN104680766A (en) * | 2014-09-15 | 2015-06-03 | 北京精密机电控制设备研究所 | Underground information acquisition system and underground information acquisition method thereof |
| CN104863836A (en) * | 2015-04-29 | 2015-08-26 | 青岛天时海洋石油装备有限公司 | Intelligent slurry pump control system |
| CN105756910A (en) * | 2014-12-13 | 2016-07-13 | 西安众智惠泽光电科技有限公司 | Intelligent control system of petroleum drilling slush pump |
| CN105863622A (en) * | 2016-04-07 | 2016-08-17 | 中国海洋石油总公司 | Working system of slurry pulse generator of shearing valve and working mode of working system |
| CN106958442A (en) * | 2017-05-04 | 2017-07-18 | 中国海洋石油总公司 | A kind of mud-pulse Transmission system and method |
| CN207144931U (en) * | 2017-09-19 | 2018-03-27 | 西南石油大学 | A kind of presser sensor stratum controlled pressure drilling monitoring system |
-
2018
- 2018-07-09 CN CN201810744094.1A patent/CN110761776A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1266142A (en) * | 1999-03-04 | 2000-09-13 | 施卢默格控股有限公司 | Method for obtaining survey of leakage and structum integrity by finite downhole pressure test |
| US20110011594A1 (en) * | 2007-09-07 | 2011-01-20 | Multi-Shot Llc | Mud Pulse Telemetry System |
| CN103291284A (en) * | 2013-05-14 | 2013-09-11 | 中国海洋石油总公司 | Method and device both based on annulus pressure measuring while drilling and for early monitoring gas invasion of wellhole |
| CN103670380A (en) * | 2013-12-18 | 2014-03-26 | 贝兹维仪器(苏州)有限公司 | Down-hole slurry pulse signal generation device |
| CN104680758A (en) * | 2014-09-15 | 2015-06-03 | 北京精密机电控制设备研究所 | Up-hole mud pressure pulse acquiring system |
| CN204045014U (en) * | 2014-09-15 | 2014-12-24 | 北京精密机电控制设备研究所 | A kind of down-hole information acquisition system |
| CN104680766A (en) * | 2014-09-15 | 2015-06-03 | 北京精密机电控制设备研究所 | Underground information acquisition system and underground information acquisition method thereof |
| CN104481854A (en) * | 2014-12-10 | 2015-04-01 | 天水电气传动研究所有限责任公司 | Sludge pump control method for petroleum drilling machine |
| CN105756910A (en) * | 2014-12-13 | 2016-07-13 | 西安众智惠泽光电科技有限公司 | Intelligent control system of petroleum drilling slush pump |
| CN104863836A (en) * | 2015-04-29 | 2015-08-26 | 青岛天时海洋石油装备有限公司 | Intelligent slurry pump control system |
| CN105863622A (en) * | 2016-04-07 | 2016-08-17 | 中国海洋石油总公司 | Working system of slurry pulse generator of shearing valve and working mode of working system |
| CN106958442A (en) * | 2017-05-04 | 2017-07-18 | 中国海洋石油总公司 | A kind of mud-pulse Transmission system and method |
| CN207144931U (en) * | 2017-09-19 | 2018-03-27 | 西南石油大学 | A kind of presser sensor stratum controlled pressure drilling monitoring system |
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