CN108150118B - Drilling fluid quantitative degasser - Google Patents
Drilling fluid quantitative degasser Download PDFInfo
- Publication number
- CN108150118B CN108150118B CN201711430091.2A CN201711430091A CN108150118B CN 108150118 B CN108150118 B CN 108150118B CN 201711430091 A CN201711430091 A CN 201711430091A CN 108150118 B CN108150118 B CN 108150118B
- Authority
- CN
- China
- Prior art keywords
- liquid level
- connecting pipe
- drilling fluid
- degassing
- rotating speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 82
- 238000005553 drilling Methods 0.000 title claims abstract description 80
- 238000007872 degassing Methods 0.000 claims abstract description 110
- 239000007788 liquid Substances 0.000 claims abstract description 108
- 238000010438 heat treatment Methods 0.000 claims abstract description 76
- 230000002159 abnormal effect Effects 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 42
- 238000001514 detection method Methods 0.000 claims description 25
- 238000006073 displacement reaction Methods 0.000 claims description 22
- 238000004140 cleaning Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 12
- 238000012544 monitoring process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/067—Separating gases from drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Accessories For Mixers (AREA)
Abstract
The utility model provides a drilling fluid quantitative degasser, including liquid input subassembly, degasification subassembly, the gas output subassembly, the gas compensation subassembly, wash the subassembly, detecting element and control unit, the control unit control gas input subassembly ration inhales the drilling fluid and heats, degasification subassembly degasses the drilling fluid of heating, the gas output that will deviate from by the gas output subassembly, the gas compensation subassembly is used for adjusting the gas volume difference that degasification subassembly and gas output subassembly caused, wash each subassembly that the subassembly can wash the drilling fluid and pass through, control unit and detecting element cooperate with each other subassembly, automatic degasification has been realized, and can prevent the emergence of abnormal conditions, automatic degasification and washing have been realized, simultaneously because the effect of gas compensation subassembly, the accuracy of degasification volume calculated result has been improved.
Description
Technical Field
The invention relates to the technical field of petroleum geological exploration logging, in particular to a quantitative degasser for drilling fluid.
Background
The logging while drilling technology can find out accidents such as oil gas display, well kick prediction, blowout, gas invasion and the like in time by analyzing the components and the content of combustible gas entering the drilling fluid in the drilling process, and is a key content in the monitoring service of the drilling process. The comprehensive logging instrument is a carrier for carrying out the work, and the drilling fluid degasser is an important component of the comprehensive logging instrument, and has the function of separating formation gas returning to the ground in a shaft from the drilling fluid and providing a continuous sample gas source for a subsequent chromatographic analyzer. In land and offshore logging operations, a conventional degasser is usually installed in a buffer tank in front of a vibrating screen, and due to unstable flow rate and large fluctuation change of liquid level of drilling fluid, the amount of drilling fluid entering a degasser chamber fluctuates, if the wind speed is high, the amount of air entering the degasser chamber is also unstable, and the phenomena of air pumping and drilling fluid pumping of the degasser can occur in serious conditions, so that the gas logging analysis value is inaccurate, even chromatographic pollution is caused, and the gas logging data recording quality is greatly influenced.
Chinese patent CN 102151421A discloses a float-type quantitative degasser comprising a tank body and a stirring body, wherein the tank body adopts a float structure, and is provided with a slurry inlet, a slurry outlet and an exhaust port, and the stirring body is used for extending into the tank body to stir slurry; chinese patent CN 105019841 a discloses a quantitative degassing device for drilling fluid, which pumps drilling fluid from a mud tank, and sends the drilling fluid into a stirring degasser through a drilling fluid connecting pipeline for gas-liquid separation, so as to realize quantitative pumping and quantitative degassing of the drilling fluid; the degassing efficiency is greatly improved, a degasser added with an electric heater and a temperature control system is disclosed in US 7032444B 2, and a heater-containing floating type quantitative degasser is also disclosed in China CN 106194085A, so that more oil gas substances in slurry can be separated, liquid hydrocarbons such as octane and the like and compound components such as benzene, toluene, ethylbenzene and the like can be obtained, and the degassing efficiency and the application range are further improved.
In view of the current development, the development of drilling fluid deaerators has moved to microminiature quantitative deaeration and deaeration of all-hydrocarbon (C1-C8) components, but there is still a large development space in terms of automation, remote monitoring and miniaturization.
Disclosure of Invention
The invention provides an automatic drilling fluid quantitative degasser aiming at the problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a quantitative degasser for drilling fluid is used for degassing of drilling fluid and comprises a liquid input assembly, a degassing assembly, a gas output assembly, a detection unit and a control unit, wherein the detection unit is used for detecting the states of the liquid input assembly, the degassing assembly and the gas output assembly and sending signals, the control unit is used for controlling the liquid input assembly, the degassing assembly and the gas output assembly, and the control unit comprises an acquisition module, a judgment module and a control module; wherein the content of the first and second substances,
an acquisition module: the judgment module is electrically connected with the detection unit and used for acquiring the signal sent by the detection unit and sending the signal to the control unit;
a judging module: the control module is electrically connected with the acquisition module and used for receiving the signals sent by the acquisition module, judging the operation steps required by each component and sending the signals to the control unit;
a control module: and the gas output assembly is controlled to discharge the obtained gas according to the set flow.
Preferably, the liquid input assembly comprises a first quantitative pump and a heating kit, the heating kit comprises a heating chamber, a first connecting pipe is arranged between the first quantitative pump and the heating chamber, a second connecting pipe is arranged between the heating chamber and the degassing assembly, the detecting unit comprises a first rotating speed sensor for detecting the rotating speed of the first quantitative pump, a first temperature sensor for detecting liquid in the heating chamber, and a first liquid level meter for detecting the liquid level in the heating chamber,
the acquisition module: the first liquid level meter is electrically connected with the first rotating speed sensor, the first temperature sensor and the first liquid level meter respectively, and is used for collecting signals sent by the first rotating speed sensor, the first temperature sensor and the first liquid level meter and sending the signals to the judging module;
the judgment module: comparing and judging the received rotating speed value of the first constant volume pump with a set rotating speed value, comparing and judging the acquired temperature value with a set temperature value, comparing and judging the acquired height value of the liquid level in the heater with a set height value, and sending a signal to the control module;
the control module: and controlling the rotating speed of the first constant delivery pump to increase or decrease until the rotating speed of the first constant delivery pump meets a set condition according to a signal of a judgment module, controlling a heater to start heating or stop heating according to the liquid level height, and controlling the temperature of the heater to increase or decrease until the temperature of the drilling fluid meets the set condition.
Preferably, the degassing assembly comprises a second shell and a stirring kit, the stirring kit comprises a degassing chamber, a motor and a stirring piece, the stirring piece is connected with the motor, the detection unit comprises a second liquid level meter for detecting the liquid level of the drilling fluid in the degassing chamber,
the acquisition module: the second liquid level meter is electrically connected with the drilling fluid collecting module and is used for collecting the drilling fluid level height value in the degassing chamber detected by the second liquid level meter and sending a signal to the judging module;
the judgment module: comparing and judging the received drilling fluid level height value in the degassing chamber with a set liquid level height value, and sending a signal to the control module;
a control module: and according to the signal of the judgment module, the motor is controlled to be started or closed, so that the stirring piece is controlled to stir or stop stirring the drilling fluid.
Preferably, the detection unit further includes a second rotation speed sensor for detecting a rotation speed of the motor,
the acquisition module: the motor control module is electrically connected with the second rotating speed sensor and used for acquiring a rotating speed value of the motor detected by the second rotating speed sensor and sending a signal to the judging module;
the judgment module: the control module is used for comparing and judging the received rotating speed value of the motor with a set rotating speed value and sending a signal to the control module;
the control module: the motor is used for controlling the rotating speed of the motor to meet the set requirement.
Preferably, the gas output assembly includes a second fixed displacement pump, a third connection pipe for connecting the second fixed displacement pump and the degassing assembly, the detection unit includes a second rotation speed sensor for detecting a rotation speed of the second fixed displacement pump, a first pressure sensor for detecting a pressure in the third connection pipe, and a second temperature sensor for detecting a temperature in the third connection pipe, and the control unit includes:
the acquisition module: the pressure sensor is electrically connected with the second rotating speed sensor, the first pressure sensor and the second temperature sensor respectively, and is used for acquiring a rotating speed value of a second fixed displacement pump detected by the second rotating speed sensor, a pressure value in a third connecting pipe detected by the first pressure sensor and a temperature value in the third connecting pipe detected by the second temperature sensor and sending acquired signals to the judging module;
the judgment module: the control module is used for comparing and judging the received rotating speed value of the second fixed displacement pump with a set rotating speed value and sending a signal to the control module;
the control module: the device is used for controlling the rotating speed value of the second fixed displacement pump to reach the set requirement.
Preferably, the degassing assembly comprises a degassing chamber, the drilling fluid quantitative degasser further comprises a gas compensation assembly for compensating the gas pressure in the degassing chamber, the gas compensation assembly comprises a fourth connecting pipe for communicating the degassing chamber with the atmosphere, a first electromagnetic valve for communicating or disconnecting the atmosphere with the degassing chamber is arranged on the fourth connecting pipe, and the detection unit comprises a flow meter for detecting the air flow in the fourth connecting pipe;
the acquisition module: the air flow meter is electrically connected with the flow meter and used for collecting the air flow in a fourth connecting pipe detected by the flow meter;
the control module: and the first electromagnetic valve is electrically connected with the first electromagnetic valve and is used for controlling the first electromagnetic valve to be opened or closed so as to enable the degassing chamber to be communicated with or disconnected from the atmosphere.
Preferably, a U-shaped pipe communicated with the atmosphere is arranged on the fourth connecting pipe, and the U-shaped pipe is arranged between the flow meter and the degassing chamber, so that abnormal drilling fluid is discharged from the U-shaped pipe, and the flow meter is protected.
Preferably, the degasser assembly comprises a degasser chamber, a second level gauge for detecting a level of liquid in the degasser chamber, and a stirring kit for stirring liquid in the degasser chamber, the liquid input assembly comprises a heating chamber, a heating element, a first level gauge for detecting a level of liquid in the heating chamber, and a second connecting pipe for connecting the heating chamber and the degasser chamber, the drilling fluid quantitative degasser further comprises a cleaning assembly, the cleaning assembly comprises a fifth connecting pipe for connecting a water source and the degasser chamber,
the acquisition module: the liquid level meter is electrically connected with the first liquid level meter and the second liquid level meter, and is used for acquiring the liquid level heights in the heating chamber and the degassing chamber detected by the first liquid level meter and the second liquid level meter and sending the liquid level heights to the judgment module;
the judgment module: the heating chamber liquid level detection module is used for judging that the heating chamber is in a cleaning state at present, comparing and judging the liquid level value in the heating chamber with the heating chamber liquid level value set by the cleaning state, comparing and judging the liquid level value in the degassing chamber with the degassing chamber liquid level value set by the cleaning state, and sending a signal to the control module;
the control module: and the heating element and the stirring external member are electrically connected and used for opening or closing the heating element and the stirring external member according to the setting.
Preferably, the fifth connecting pipe with the degasification room is through the sixth connecting pipe intercommunication, the sixth connecting pipe includes siphon portion, the one end and the atmosphere intercommunication of siphon portion, siphon portion and one of atmosphere intercommunication are served and are equipped with the second solenoid valve that is used for controlling siphon portion and atmosphere intercommunication or disconnection, control module with second solenoid valve electric connection to make the second solenoid valve open or close, thereby discharge the liquid in the siphon portion.
Preferably, the liquid input assembly includes a heating chamber, the degassing assembly includes a degassing chamber, a seventh connecting pipe is disposed at the bottom of the heating chamber, an eighth connecting pipe is disposed in the degassing chamber, a third electromagnetic valve for controlling the seventh connecting pipe to be communicated or closed is disposed on the seventh connecting pipe, a fourth electromagnetic valve for controlling the eighth connecting pipe to be communicated or closed is disposed on the eighth connecting pipe, and the control module is electrically connected to the third and fourth electromagnetic valves and opens or closes the third and fourth electromagnetic valves according to a setting so as to control the liquid to be discharged.
Compared with the prior art, the invention has the beneficial effects that:
by control unit and liquid input assembly, degasification subassembly, gas output assembly, detecting element cooperate, realize automatic quantitative degasification, because the setting of gas compensation subassembly, can the effective work of effectual assurance gas output assembly, simultaneously, the cooperation of washing subassembly, control unit and other subassemblies has realized the self-cleaning after the automatic degasification, has realized automatic quantitative degasification, washing.
Drawings
FIG. 1 is a first schematic diagram of a drilling fluid quantitative degasser according to the present invention;
FIG. 2 is a schematic diagram of a drilling fluid quantitative degasser according to the present invention;
FIG. 3 is a schematic diagram of a second embodiment of the quantitative degasser for drilling fluid according to the present invention;
FIG. 4 is a schematic diagram of a partial structure of a drilling fluid quantitative degasser according to the present invention;
FIG. 5 is a schematic diagram of a stirring assembly of the drilling fluid quantitative degasser of the present invention;
FIG. 1 shows a liquid input assembly; 11. a first fixed displacement pump; 111. a third electromagnetic valve; 112. a first filter; 12. heating the kit; 121. a first housing; 122. a heating member; 13. a first connecting pipe; 131. a first check valve; 14. a second connecting pipe; 15. a seventh connecting pipe; 151. a fourth solenoid valve; 152. a second filter; 2. a degassing assembly; 21. a second housing; 22. a stirring kit; 221. a motor fixing frame; 222. a motor; 223. a motor protective sleeve; 224. a stirring member; 23. an eighth connecting pipe; 231. a third filter; 232. a fifth solenoid valve; 3. a gas output assembly; 31. a second fixed displacement pump; 32. a third connecting pipe; 321. a fourth filter; 322. a sixth electromagnetic valve; 4. a gas compensation assembly; 41. a fourth connecting pipe; 411. a drying section; 412. a U-shaped pipe; 42. a first solenoid valve; 5. cleaning the assembly; 51. a fifth connecting pipe; 511. an eighth solenoid valve; 512. a fifth filter; 513. a second one-way valve; 52. a sixth connecting pipe; 521. a siphon part; 522. a second solenoid valve; 523. a seventh electromagnetic valve; 524. a sixth filter; 525. a seventh filter; 6. a detection unit; 611. a first liquid level meter; 612. a second level gauge; 621. a first rotational speed sensor; 622. a second rotational speed sensor; 631. a first temperature sensor; 632. a second temperature sensor; 64. a pressure sensor; 65. a flow meter; 7 a control unit; 71. an acquisition module; 72. a judgment module; 73. and a control module.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", etc. indicate the positional relationship based on the positional relationship shown in fig. 1, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Referring to fig. 1-5, a drilling fluid quantitative degasser for degassing drilling fluid comprises a liquid input assembly 1, a degassing assembly 2, a gas output assembly 3, a detection unit 6 for detecting the state of the liquid input assembly 1, the degassing assembly 2, the gas output assembly 3 and sending signals, and a control unit 7 for controlling the liquid input assembly 1, the degassing assembly 2, the gas output assembly 3.
The liquid input assembly 1 comprises a fixed displacement pump 11, a heating set 12, a first connecting pipe 13 for connecting the fixed displacement pump 1 and the heating set 12, a second connection pipe 14 for connecting the heating chamber and the next module, and a seventh connection pipe 15 for discharging waste liquid, the fixed displacement pump 11 is provided with a third electromagnetic valve 111 for controlling the fixed displacement pump 11 to be communicated with the drilling fluid, and a first filter 112 for filtering, the dosing pump 11 delivering drilling fluid to the heating package 12, the heating kit 12 comprises a first housing 121 and a heating member 122, the first housing 121 and the heating member 122 form a closed chamber, the drilling fluid flows between the outer shell of the heating element and the inner container of the heating element and takes away heat of the heat transfer oil so as to increase the temperature of the drilling fluid; the first connecting pipe 13 is communicated with the fixed displacement pump 11 and the heating chamber, and a first one-way valve 131 is arranged on the first connecting pipe to prevent the drilling fluid from flowing back so as to ensure quantitative degassing; the seventh connecting pipe 15 is communicated with the bottom of the heating chamber and used for discharging waste liquid in the heating chamber, and a fourth electromagnetic valve 151 and a second filter 152 are arranged on the seventh connecting pipe 15. During degassing, the drilling fluid flows to the heating chamber through the first connecting pipe under the action of the first fixed displacement pump 11, passes through the first filter 112, the third electromagnetic valve 111 and the inside of the first fixed displacement pump 11, is heated in the heating chamber, and flows to the next component through the second connecting pipe, and when waste liquid is discharged, the fourth electromagnetic valve 151 is opened to communicate the seventh connecting pipe 15, so that the waste liquid is discharged.
The degassing assembly 2 is connected to the liquid input assembly 1, the degassing assembly 2 includes a second housing 21, a stirring assembly 22, and an eighth connecting pipe 23 for discharging waste liquid, the stirring assembly 22 and the second housing 21 form a sealed chamber, i.e. a degassing chamber, the stirring assembly 22 includes a motor fixing frame 221, a motor 222 disposed on the motor fixing frame 221, a motor protecting sleeve 223 for protecting the motor 222, and a stirring member 224 connected to the motor 222, the stirring member 224 is disposed in the degassing chamber and connected to the stirring member 224 through a coupling, a third filter 231 and a fifth electromagnetic valve 232 are disposed on the eighth connecting pipe 23, the fifth electromagnetic valve 232 is used for controlling the connection and the closing of the eighth connecting pipe 23, the eighth connecting pipe 23 is preferably communicated with the bottom of the degassing chamber, and the degassing chamber is connected to the second connecting pipe 14, the drilling fluid in the heating chamber flows into the degassing chamber through the second connecting pipe 14, the motor 222 is started to drive the stirring member 224 to stir, degassing of the drilling fluid is realized, and when the waste fluid needs to be discharged, the fifth electromagnetic valve 232 is opened, so that the waste fluid in the degassing chamber is discharged through the eighth connecting pipe 23.
The gas output assembly 3 is connected with the degassing assembly 2, the gas output assembly 3 comprises a second quantitative pump 31 and a third connecting pipe 32, a fourth filter 321 and a sixth electromagnetic valve 322 are arranged on the third connecting pipe 32, the third connecting pipe 32 is communicated with the degassing chamber, the degassed gas in the degassing chamber of the drilling fluid is discharged through the third connecting pipe 32 under the action of the second quantitative pump 31, and the second quantitative pump 31 is preferably a peristaltic pump.
The drilling fluid quantitative degasser further comprises a gas compensation assembly 4 communicated with the degassing chamber, wherein the gas compensation assembly 4 comprises a fourth connecting pipe 41 for communicating the degassing chamber with the atmosphere and a first electromagnetic valve 42 for controlling the fourth connecting pipe 41 to be communicated or closed, a drying part 411 for dehumidification is arranged on the fourth connecting pipe 41 so as to dry sucked air, and a U-shaped pipe 412 is arranged on the U-shaped pipe and can discharge liquid entering the fourth connecting pipe 41 when the drilling fluid quantitative degasser is in an abnormal condition, and when the drilling fluid quantitative degasser is degassed, the first electromagnetic valve 42 is opened so as to communicate the degassing chamber with the atmosphere so as to make compensation air enter the degassing chamber. .
The drilling fluid quantitative degasser further comprises a cleaning component 5 for cleaning each component, the cleaning component 5 comprises a fifth connecting pipe 51 for connecting a water source, a sixth connecting pipe 52 for connecting the fifth connecting pipe 51 and a degassing chamber, the fifth connecting pipe 51 is provided with an eighth electromagnetic valve 511, a fifth filter 512 and a second one-way valve 513, the sixth connecting pipe 52 is provided with a siphon part 521, one end of the siphon part 521 is communicated with the atmosphere and used for discharging waste liquid, the end part of the siphon part 521 is provided with a second electromagnetic valve 522 and a sixth filter 524 for controlling the opening or closing of one end of the siphon part 521, the sixth connecting pipe 52 is positioned between the siphon part 521 and the degassing chamber and further comprises a U-shaped part, the bottom of the U-shaped part is provided with a drain pipe (not labeled in the figure) communicated with the atmosphere, and the drain pipe is provided with a seventh electromagnetic valve 523 for controlling the communication or closing of the drain pipe, and a seventh filter 525; when cleaning is needed, the fifth connecting pipe 51 is connected to a water source, clean water enters the degassing chamber through the fifth connecting pipe 51 and the sixth connecting pipe 52, and enters the heating chamber through the second connecting pipe 14, after cleaning, the electromagnetic valves such as the second electromagnetic valve 522, the seventh electromagnetic valve 523, the fourth electromagnetic valve 151, and the fifth electromagnetic valve 232 are opened, and waste liquid after cleaning is discharged.
The detecting unit 6 is used for detecting the state of each component, the detecting unit 6 comprises a first liquid level meter 611 for detecting the liquid level in the heating chamber, a second liquid level meter 612 for detecting the liquid level in the degassing chamber, a first rotation speed sensor 621 for detecting the rotation speed of the first quantitative pump 11, a second rotation speed sensor 622 for detecting the rotation speed of the second quantitative pump 31, a first temperature sensor 631 for detecting the temperature of the fluid in the heating chamber, a second temperature sensor 632 and a pressure sensor 64 for detecting the temperature and the pressure of the gas in the third connecting pipe 32, and a flow meter 65 for detecting the air flow in the fourth connecting pipe 41, wherein the flow meter 65 is preferably a mass flow meter.
The control unit 7 is electrically connected with the liquid input assembly 1, the degassing assembly 2, the gas output assembly 3, the gas compensation assembly 4, the cleaning assembly 5 and the detection unit 6, the control unit 7 comprises an acquisition module 71, a judgment module 72 and a control module 73, the acquisition module 71 is connected with the acquisition module 71 of each sensor of the detection unit 6, the acquisition module 71 acquires data detected by a plurality of sensors, the judgment module 72 is electrically connected with the acquisition module 71,
the acquisition module 71: the judgment module 72 is electrically connected with the detection unit 6, collects the signal sent by the detection unit 6, and sends the signal to the control unit 7;
the judging module 72: the control module 73 is electrically connected with the acquisition module 71, receives the signal sent by the acquisition module 71, judges the operation steps required by each component, and sends the signal to the control unit 7;
the control module 73: and the judgment module 72 is electrically connected with the control module, receives the signal sent by the judgment module 72, controls the liquid input assembly 1 to input the drilling fluid with a set flow rate into the degassing assembly 2 according to the signal, controls the degassing assembly 2 to degas the liquid and discharge the degassed liquid, and controls the gas output assembly 3 to discharge the obtained gas according to the set flow rate.
The working process is as follows: the collecting module 71 sends the collected information to the judging module 72, the control module 73 is electrically connected with the judging module 72, the first and second fixed displacement pumps, the heating element 12, the motor 222, the first, second, third, fourth, fifth, sixth, seventh and eighth electromagnetic valves, the judging module 72 compares and judges the received rotating speed values of the first and second fixed displacement pumps with the set rotating speed values of the first and second fixed displacement pumps respectively, sends a signal to the control module 73, the control module 73 adjusts the rotating speeds of the first and second fixed displacement pumps according to the signal to enable the rotating speeds to be within a set range, the judging module 72 compares and judges the received liquid level height in the heating chamber or the degassing chamber with the set liquid level height value of the heating chamber or the degassing chamber, sends the signal to the control module 73, the control module 73 turns on or turns off the heating element 12 or the motor 222 according to the signal, the dry burning or dry falling prevention method comprises the steps that the judging module 72 compares the received temperature of fluid in the heating chamber with a set temperature and sends a signal to the control module 73, the control module 73 adjusts the heating element 12 to enable the temperature of the fluid in the heating chamber to be within a set range, the collecting module 72 compares the received rotating speed of the motor 222 with a set rotating speed value of the motor 222 to judge and sends the signal to the control module 73, the control module 73 adjusts the motor 222 to enable the rotating speed to be within the set range, and the control module 73 opens or closes the first, second, third, fourth, fifth, sixth, seventh and eighth electromagnetic valves according to the setting to achieve the entering of drilling fluid or clean water and the discharging of waste liquid. The signal transmission between the control unit 7 and each component may be in a wired or wireless transmission mode.
The drilling fluid quantitative degasser further comprises a remote monitoring assembly (not shown in the figure), information collected by the collection module 71 is transmitted to the remote monitoring assembly in a wired or wireless mode, and the remote monitoring assembly converts an electric signal into a digital signal for displaying so as to facilitate monitoring and management of people.
During degassing, the control module 73 controls the first electromagnetic valve 42 and the third electromagnetic valve 111 to be opened, drilling fluid enters the heating chamber under the action of the first quantitative pump 11, the heating element 12 is heated, the drilling fluid enters the degassing chamber after being heated, the motor 222 is controlled to rotate at a set rotating speed to drive the stirring element 224 to stir the drilling fluid, the sixth electromagnetic valve 322 is controlled to be opened, degassing gas enters the third connecting pipe 32, during degassing, when the pressure in the degassing chamber is smaller than the atmospheric pressure, air enters the degassing chamber through the fourth connecting pipe 41, and after degassing, the fourth electromagnetic valve 151 and the fifth electromagnetic valve 232 are opened to discharge waste liquid;
during cleaning, the control module 73 controls the eighth electromagnetic valve 511 to open, clean water enters the degassing chamber through the fifth connecting pipe 51 and the sixth connecting pipe 52, the motor 222 rotates according to a setting to drive the stirring piece 224 to stir and clean, the clean water enters the heating chamber through the second connecting pipe 14 to clean the heating chamber, and after cleaning is finished, the control module 73 controls the second electromagnetic valve 522, the seventh electromagnetic valve 523, the fourth electromagnetic valve 151 and the fifth electromagnetic valve 232 to open to discharge waste liquid.
Claims (10)
1. A quantitative degasser for drilling fluid is used for degassing of drilling fluid and comprises a liquid input assembly, a degassing assembly, a gas output assembly, a detection unit and a control unit, wherein the detection unit is used for detecting the states of the liquid input assembly, the degassing assembly and the gas output assembly and sending signals, the control unit is used for controlling the liquid input assembly, the degassing assembly and the gas output assembly, and the control unit comprises an acquisition module, a judgment module and a control module; wherein the content of the first and second substances,
an acquisition module: the judgment module is electrically connected with the detection unit and used for acquiring the signal sent by the detection unit and sending the signal to the control unit;
a judging module: the control module is electrically connected with the acquisition module and used for receiving the signals sent by the acquisition module, judging the operation steps required by each component and sending the signals to the control unit;
a control module: and the gas output assembly is controlled to discharge the obtained gas according to the set flow.
2. The drilling fluid quantitative degasser of claim 1, wherein: the liquid input assembly comprises a first quantitative pump and a heating kit, the heating kit comprises a heating chamber, a first connecting pipe is arranged between the first quantitative pump and the heating chamber, a second connecting pipe is arranged between the heating chamber and the degassing assembly, the detection unit comprises a first rotating speed sensor for detecting the rotating speed of the first quantitative pump, a first temperature sensor for detecting liquid in the heating chamber and a first liquid level meter for detecting the liquid level in the heating chamber,
the acquisition module: the first liquid level meter is electrically connected with the first rotating speed sensor, the first temperature sensor and the first liquid level meter respectively, and is used for collecting signals sent by the first rotating speed sensor, the first temperature sensor and the first liquid level meter and sending the signals to the judging module;
the judgment module: comparing and judging the received rotating speed value of the first constant volume pump with a set rotating speed value, comparing and judging the acquired temperature value with a set temperature value, comparing and judging the acquired height value of the liquid level in the heater with a set height value, and sending a signal to the control module;
the control module: and controlling the rotating speed of the first constant delivery pump to increase or decrease until the rotating speed of the first constant delivery pump meets a set condition according to a signal of a judgment module, controlling a heater to start heating or stop heating according to the liquid level height, and controlling the temperature of the heater to increase or decrease until the temperature of the drilling fluid meets the set condition.
3. The drilling fluid quantitative degasser of claim 1, wherein: the degassing assembly comprises a second shell and a stirring kit, the stirring kit comprises a degassing chamber, a motor and a stirring piece, the stirring piece is connected with the motor, the detection unit comprises a second liquid level meter for detecting the liquid level of drilling fluid in the degassing chamber,
the acquisition module: the second liquid level meter is electrically connected with the drilling fluid collecting module and is used for collecting the drilling fluid level height value in the degassing chamber detected by the second liquid level meter and sending a signal to the judging module;
the judgment module: comparing and judging the received drilling fluid level height value in the degassing chamber with a set liquid level height value, and sending a signal to the control module;
a control module: and according to the signal of the judgment module, the motor is controlled to be started or closed, so that the stirring piece is controlled to stir or stop stirring the drilling fluid.
4. The drilling fluid quantitative degasser of claim 3, wherein: the detection unit further includes a second rotation speed sensor for detecting a rotation speed of the motor,
the acquisition module: the motor control module is electrically connected with the second rotating speed sensor and used for acquiring a rotating speed value of the motor detected by the second rotating speed sensor and sending a signal to the judging module;
the judgment module: the control module is used for comparing and judging the received rotating speed value of the motor with a set rotating speed value and sending a signal to the control module;
the control module: the motor is used for controlling the rotating speed of the motor to meet the set requirement.
5. The drilling fluid quantitative degasser of claim 1, wherein: the gas output assembly comprises a second quantitative pump and a third connecting pipe used for connecting the second quantitative pump and the degassing assembly, the detection unit comprises a second rotating speed sensor used for detecting the rotating speed of the second quantitative pump, a first pressure sensor used for detecting the pressure in the third connecting pipe and a second temperature sensor used for detecting the temperature in the third connecting pipe, and the control unit comprises:
the acquisition module: the pressure sensor is electrically connected with the second rotating speed sensor, the first pressure sensor and the second temperature sensor respectively, and is used for acquiring a rotating speed value of a second fixed displacement pump detected by the second rotating speed sensor, a pressure value in a third connecting pipe detected by the first pressure sensor and a temperature value in the third connecting pipe detected by the second temperature sensor and sending acquired signals to the judging module;
the judgment module: the control module is used for comparing and judging the received rotating speed value of the second fixed displacement pump with a set rotating speed value and sending a signal to the control module;
the control module: the device is used for controlling the rotating speed value of the second fixed displacement pump to reach the set requirement.
6. The drilling fluid quantitative degasser of claim 5, wherein: the degassing assembly comprises a degassing chamber, the drilling fluid quantitative degasser further comprises a gas compensation assembly for compensating the air pressure in the degassing chamber, the gas compensation assembly comprises a fourth connecting pipe for communicating the degassing chamber with the atmosphere, a first electromagnetic valve for communicating or disconnecting the atmosphere and the degassing chamber is arranged on the fourth connecting pipe, the detection unit comprises a flow meter for detecting the air flow in the fourth connecting pipe,
the acquisition module: the air flow meter is electrically connected with the flow meter and used for collecting the air flow in a fourth connecting pipe detected by the flow meter;
the control module: and the first electromagnetic valve is electrically connected with the first electromagnetic valve and is used for controlling the first electromagnetic valve to be opened or closed so as to enable the degassing chamber to be communicated with or disconnected from the atmosphere.
7. The drilling fluid quantitative degasser of claim 6, wherein: and a U-shaped pipe communicated with the atmosphere is arranged on the fourth connecting pipe and is arranged between the flowmeter and the degassing chamber, so that abnormal drilling fluid is discharged from the U-shaped pipe, and the flowmeter is protected.
8. The drilling fluid quantitative degasser of claim 1, wherein: the degassing component comprises a degassing chamber, a second liquid level meter and a stirring kit, the second liquid level meter is used for detecting the liquid level in the degassing chamber, the stirring kit is used for stirring the liquid in the degassing chamber, the liquid input component comprises a heating chamber, a heating element, a first liquid level meter is used for detecting the liquid level in the heating chamber, and a second connecting pipe is used for communicating the heating chamber with the degassing chamber, the drilling fluid quantitative degasser further comprises a cleaning component, the cleaning component comprises a fifth connecting pipe used for connecting a water source with the degassing chamber,
the acquisition module: the liquid level meter is electrically connected with the first liquid level meter and the second liquid level meter, and is used for acquiring the liquid level heights in the heating chamber and the degassing chamber detected by the first liquid level meter and the second liquid level meter and sending the liquid level heights to the judgment module;
the judgment module: the heating chamber liquid level detection module is used for judging that the heating chamber is in a cleaning state at present, comparing and judging the liquid level value in the heating chamber with the heating chamber liquid level value set by the cleaning state, comparing and judging the liquid level value in the degassing chamber with the degassing chamber liquid level value set by the cleaning state, and sending a signal to the control module;
the control module: and the heating element and the stirring external member are electrically connected and used for opening or closing the heating element and the stirring external member according to the setting.
9. The drilling fluid quantitative degasser of claim 8, wherein: the fifth connecting pipe with the degasification room passes through the sixth connecting pipe intercommunication, the sixth connecting pipe includes siphon portion, the one end and the atmosphere intercommunication of siphon portion, siphon portion and one of atmosphere intercommunication serve to be equipped with the second solenoid valve that is used for controlling siphon portion and atmosphere intercommunication or disconnection, control module with second solenoid valve electric connection to make the second solenoid valve open or close, thereby discharge the liquid in the siphon portion.
10. The drilling fluid quantitative degasser of claim 1, wherein: the liquid input assembly comprises a heating chamber, the degassing assembly comprises a degassing chamber, a seventh connecting pipe is arranged at the bottom of the heating chamber, an eighth connecting pipe is arranged in the degassing chamber, a third electromagnetic valve used for controlling the seventh connecting pipe to be communicated or closed is arranged on the seventh connecting pipe, a fourth electromagnetic valve used for controlling the eighth connecting pipe to be communicated or closed is arranged on the eighth connecting pipe, the control module is electrically connected with the third electromagnetic valve and the fourth electromagnetic valve, and the third electromagnetic valve and the fourth electromagnetic valve are opened or closed according to setting so as to control the liquid to be discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711430091.2A CN108150118B (en) | 2017-12-26 | 2017-12-26 | Drilling fluid quantitative degasser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711430091.2A CN108150118B (en) | 2017-12-26 | 2017-12-26 | Drilling fluid quantitative degasser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108150118A CN108150118A (en) | 2018-06-12 |
| CN108150118B true CN108150118B (en) | 2020-02-18 |
Family
ID=62462242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711430091.2A Active CN108150118B (en) | 2017-12-26 | 2017-12-26 | Drilling fluid quantitative degasser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150118B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915621A (en) * | 2018-07-17 | 2018-11-30 | 西南石油大学 | A kind of system that quantitatively deaerates |
| CN112213267B (en) * | 2020-09-29 | 2021-11-16 | 湖北鑫英泰系统技术股份有限公司 | Headspace degassing method and device of oil-immersed equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2498321Y (en) * | 2001-07-26 | 2002-07-03 | 仝昭松 | Centrifugal vacuum gas remover |
| CN202300384U (en) * | 2011-10-25 | 2012-07-04 | 中国石油化工股份有限公司 | Pneumatic quantitative slurry degassing device |
| CN202882811U (en) * | 2012-11-02 | 2013-04-17 | 东营顺通化工（集团）有限公司 | Formate waste drilling fluid recycle device |
| CN203081435U (en) * | 2013-02-06 | 2013-07-24 | 上海欧申科技有限公司 | Quantitative degassing device |
| CN104806183A (en) * | 2014-01-23 | 2015-07-29 | 山东海吉雅环保设备有限公司 | Oil field well washing backflow fluid depressurization and muddy sand removal device |
| CN107165596A (en) * | 2017-07-28 | 2017-09-15 | 江苏恒鑫石化机械有限公司 | A kind of high liquid-gas separator of stability |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9091160B2 (en) * | 2011-06-23 | 2015-07-28 | Michael Renick | Flowback separation system |
| GB2525396B (en) * | 2014-04-22 | 2020-10-07 | Managed Pressure Operations | Method of operating a drilling system |
| AU2015321442A1 (en) * | 2014-09-25 | 2017-04-13 | M-I L.L.C. | Modular pressure control and drilling waste management apparatus for subterranean borehole |
-
2017
- 2017-12-26 CN CN201711430091.2A patent/CN108150118B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2498321Y (en) * | 2001-07-26 | 2002-07-03 | 仝昭松 | Centrifugal vacuum gas remover |
| CN202300384U (en) * | 2011-10-25 | 2012-07-04 | 中国石油化工股份有限公司 | Pneumatic quantitative slurry degassing device |
| CN202882811U (en) * | 2012-11-02 | 2013-04-17 | 东营顺通化工（集团）有限公司 | Formate waste drilling fluid recycle device |
| CN203081435U (en) * | 2013-02-06 | 2013-07-24 | 上海欧申科技有限公司 | Quantitative degassing device |
| CN104806183A (en) * | 2014-01-23 | 2015-07-29 | 山东海吉雅环保设备有限公司 | Oil field well washing backflow fluid depressurization and muddy sand removal device |
| CN107165596A (en) * | 2017-07-28 | 2017-09-15 | 江苏恒鑫石化机械有限公司 | A kind of high liquid-gas separator of stability |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108150118A (en) | 2018-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108150118B (en) | Drilling fluid quantitative degasser | |
| US6666099B2 (en) | Apparatus to recover sample gases from fluids | |
| CA2086876A1 (en) | Controlled gas trap system | |
| EA018141B1 (en) | System and method of analyzing fluids at a drilling location | |
| CN110285073A (en) | High reliability immersible pump | |
| CN113029697A (en) | Automatic sampling system for river polluted water | |
| EP2796663A2 (en) | System and method for analysing gas from a borehole | |
| CN103028272B (en) | Device for continuously separating oil-water mixture collected from water surface | |
| US20200016611A1 (en) | Centrifugal solids separator | |
| CA2617376C (en) | Apparatus to recover sample gases from fluids | |
| KR101027368B1 (en) | A oil separator | |
| CN210604257U (en) | Liquid filter core comprehensive properties check out test set | |
| CN106075959A (en) | Degasser | |
| CN215756732U (en) | Intelligent rock debris collecting and slurry degassing system for logging | |
| RU67479U1 (en) | INSTALLING LIQUID CLEANING | |
| CN113063781A (en) | Novel AI online vision ore pulp detector | |
| CN201321858Y (en) | Quantitative degasser | |
| CN219475086U (en) | Spiral-flow type crude oil water content measuring instrument | |
| CN218844244U (en) | Oil gas collection system | |
| CN216645527U (en) | Building engineering water supply and drainage water yield monitoring device | |
| WO2004027208A1 (en) | Continuous system for the sampling and degassing of a drilling mud | |
| CN220772854U (en) | Device for on-line monitoring of slurry density of petroleum drilling fluid | |
| CN219262359U (en) | Quantitative degassing system | |
| CN220249686U (en) | Urban underground water pipe network monitoring system | |
| CN214895210U (en) | Polyacrylamide concentration detection device in oil field sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |