CN211115867U - Automatic feeding device for drilling fluid circulating tank - Google Patents
Automatic feeding device for drilling fluid circulating tank Download PDFInfo
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- CN211115867U CN211115867U CN201921736908.3U CN201921736908U CN211115867U CN 211115867 U CN211115867 U CN 211115867U CN 201921736908 U CN201921736908 U CN 201921736908U CN 211115867 U CN211115867 U CN 211115867U
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- distribution hopper
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Abstract
The utility model relates to a drilling fluid circulation jar automatic material conveying device belongs to drilling engineering circulation system machinery technical field the utility model provides a pair of drilling fluid circulation jar automatic material conveying device, its characterized in that includes: a gantry crane; a charging bin; the discharging bin door for discharging is arranged at the bottom of the charging bin; a slurry preparation funnel; the loading bin is connected to the gantry crane, the slurry distribution hopper for communicating the drilling fluid circulation tank is arranged on the hoisting path of the gantry crane, the slurry distribution hopper is positioned at the bottom of the gantry crane, and the discharging bin door is over against the receiving port of the slurry distribution hopper when the gantry crane hoists the loading bin above the slurry distribution hopper. The treating agent can be automatically added into the slurry preparation hopper, so that the labor amount is reduced, and the potential safety hazard of feeding is eliminated. The feeding speed is controllable in a certain range, and the performance of the drilling fluid can be finely maintained. Can the reservation time, the time has arrived the loading bin and has opened the door, and automatic material conveying has saved personnel's energy.
Description
Technical Field
The utility model belongs to the technical field of drilling engineering circulation system machinery, concretely relates to drilling fluid circulation jar automatic material conveying device.
Background
The drilling fluid treating agent is an important chemical additive in drilling production, the drilling fluid prepared by the treating agent can play roles of stabilizing a well wall, reducing friction and reducing drag, carrying drill cuttings and the like, a large amount of the drilling fluid treating agent needs to be added in the drilling process, and the drilling fluid treating agent is added into a slurry preparation hopper manually at present, so that the problems of large labor amount, uneven feeding speed, large influence on the performance of the existing drilling fluid and the like exist, and in addition, the potential safety hazard that the treating agent splashes to hurt people exists.
SUMMERY OF THE UTILITY MODEL
The utility model provides a drilling fluid circulation jar automatic material conveying device, aim at solve above-mentioned problem, solve the drilling process in need add a large amount of drilling fluid treating agents, all add through the manual work toward joining in the thick liquid funnel at present, have that the amount of labour is big, feed rate is inhomogeneous, to having the big scheduling problem of drilling fluid performance influence, still have the treating agent in addition to splash the problem of hindering people's potential safety hazard.
In order to achieve the above object, the utility model adopts the following technical scheme:
an automatic feeding device for a drilling fluid circulating tank comprises:
a gantry crane;
a charging bin;
the discharging bin door for discharging is arranged at the bottom of the charging bin;
a slurry preparation funnel;
the loading bin is connected to the gantry crane, the slurry distribution hopper for communicating the drilling fluid circulation tank is arranged on the hoisting path of the gantry crane, the slurry distribution hopper is positioned at the bottom of the gantry crane, and the discharging bin door is over against the receiving port of the slurry distribution hopper when the gantry crane hoists the loading bin above the slurry distribution hopper.
The slurry distribution hopper is externally provided with a pump and a one-way valve, the one-way valve is used for being connected with a drilling fluid circulation tank, the outlet end of the pump is connected with the one-way valve, and the inlet end of the pump is connected with the bottom of the slurry distribution hopper.
The slurry preparation funnel is provided with a stirrer, and the stirring end of the stirrer is positioned in the slurry preparation funnel.
The discharging bin gate is an electric feeding valve, an electric drive pump is arranged at the bottom of the slurry distribution hopper, a feeding control platform is arranged outside the gantry crane and used for controlling the gantry crane, the electric feeding valve and the electric drive pump, and the feeding control platform is respectively and electrically connected with the electric feeding valve, the electric drive pump and the gantry crane.
The reinforced control cabinet includes:
the portal frame control module is used for controlling the charging bin on the portal frame to move to the top of the slurry distribution hopper or move the charging bin to the ground on one side of the slurry distribution hopper;
the injection bin gate control module is used for controlling the discharging speed of the injection bin gate;
and the electric drive pump control module is used for controlling the starting and stopping of the electric drive pump.
The slurry distribution hopper is also provided with a circulating tank, the bottom of the slurry distribution hopper is communicated with the bottom of the circulating tank, and the height of the top of the slurry distribution hopper is not lower than the liquid level of the circulating tank.
The bottom of the slurry distribution funnel is provided with a treating agent suction pipeline and a pump, one end of the treating agent suction pipeline for connecting the slurry distribution funnel and the circulating tank is connected with the bottom of the slurry distribution funnel, and the other end of the treating agent suction pipeline is connected with the pump.
The volume of the charging bin is 1m3-10m3。
The beneficial effects of the utility model are that, 1, can be automatically to joining the treating agent to joining in marriage the thick liquid funnel, reduced the amount of labour, eliminated reinforced potential safety hazard.
2. The feeding speed is controllable in a certain range, and the performance of the drilling fluid can be finely maintained.
3. Can the reservation time, the time has arrived the loading bin and has opened the door, and automatic material conveying has saved personnel's energy.
Drawings
FIG. 1 is a top view of a drilling fluid circulation tank system;
FIG. 2 is a diagram of the interior of a circulation tank of a drilling fluid circulation tank system;
FIG. 3 is an internal view of a closed transfer tube for cuttings in a drilling fluid circulation tank system;
FIG. 4 is a top view of a recycling tank;
FIG. 5 is a cross-sectional view of a recycling tank;
FIG. 6 is a block diagram of an embodiment of an automatic induction cleaning apparatus for a drilling fluid circulation tank;
FIG. 7 is a block diagram of another embodiment of an automatic induction cleaning apparatus for a drilling fluid circulation tank;
FIG. 8 is a block diagram of an embodiment of an automatic induction cleaning apparatus for a drilling fluid circulation tank;
FIG. 9 is a flow diagram of an embodiment of a method for automatic induction cleaning of a drilling fluid circulation tank;
FIG. 10 is a flow diagram of another embodiment of a method for automatic induction cleaning of a drilling fluid circulation tank;
FIG. 11 is a flow diagram of another embodiment of a method for automatic induction cleaning of a drilling fluid circulation tank;
FIG. 12 is a top view of a closed cuttings conveyance system;
FIG. 13 is a side view of a closed cuttings conveyance system;
FIG. 14 is a schematic view of the internal structure of a closed conveying pipe for cuttings in a closed conveying system for cuttings;
fig. 15 is a schematic view of the whole structure of the automatic feeding device for the drilling fluid circulation tank when a drilling fluid treatment agent is added;
fig. 16 is the overall structure schematic diagram of the automatic feeding device of the drilling fluid circulating tank for feeding the charging bin.
The reference numbers in the figures are: 1. a circulation tank; 2. rotating the spray gun; 3. a sand setting sensor; 4. a drill cuttings closed conveying pipe; 5. controlling equipment fixedly; 6. a slurry-dispensing suction line; 7. a slurry pump absorption line; 8. a slurry preparation funnel; 9. an automatic feeding device; 10. a recycle tank discharge port; 11. an automatic sprayer; 12. a nozzle; 13. a transition groove; 14. the bottom inclined plane of the inclined plane tank with strong water repellency; 15. spraying a liquid supply pump; 16. a liquid supply pump; 17. a liquid supply tank; 18. burying a tank; 19. vibrating screen; 20. a discharge bin gate; 21. a charging bin; 22. a gantry crane; 23. a wire rope; 24. a charging console; 25. a treatment agent suction line; 26. slurry preparation funnel.
Detailed Description
It should be noted that, in the embodiments of the present invention, the terms referred to are:
the discharge bin gate 20, which is used for discharging, may be a prior art electric discharge valve.
The solid control equipment 5 belongs to the prior known technology, and at present, the solid control equipment mainly develops equipment with small occupied area, high efficiency and long service life, such as sand removal, mud removal, a deaerator and the like, is integrated with a high-speed centrifuge, and realizes an automatic detection and a solid control system for implementing control according to a detection result.
The system comprises a first preset height, a preset limit height value and a sand setting cleaning module, wherein the preset limit height value is set for a user, and the sand setting cleaning module controls an electric control valve at a discharge outlet of a circulating tank to be opened after monitoring that the drill chip exceeds the first preset height.
The second is preset highly, for the minimum height value that the user set up, and the sand setting washs and closes the automatically controlled valve of feed pump and closing the circulating tank exit when sensing that the drill chip is less than this second and predetermineeing highly.
And the time preset value is preset fixed time set by a user, and the liquid supply pump is started after the electric control valve is opened to exceed the time preset value.
Drilling fluid circulation jar automatic material conveying device, it is charging system among the prior art or the utility model provides a pair of drilling fluid circulation jar automatic material conveying device, drilling fluid circulation jar automatic material conveying device comprises loading hopper and loading attachment. The form of the loading hopper is various, and the loading hopper is usually in a cylindrical and conical combined form. The stirring paddle can be arranged in the hopper for quantitative feeding or forced feeding. In order to facilitate the feeding of the material hopper, a material level control device can be arranged to be matched with an automatic feeding device for feeding, and the automatic feeding device for the plastic extrusion molding mainly comprises blowing feeding, spring feeding, vacuum feeding and the like. The blowing feeder blows materials into a conveying pipeline by utilizing wind power, the materials are separated by a cyclone separator on a hopper, and solid materials fall into a charging hopper. This method is suitable for transporting granular materials and has a low transporting capacity.
In the following, a drilling fluid circulation tank solution provided by embodiments of the present invention will be described in detail through several specific embodiments.
Example 1-example 10 are illustrative of a drilling fluid circulation tank system;
example 11-example 20 is an illustration of a recycling tank;
example 21-example 27 are illustrations of a closed drill cuttings conveyance system;
example 28-example 35 are illustrations of an automatic drilling fluid circulation tank charging device;
one of the circulating tanks is a detailed description of the circulating tank 1 in a drilling fluid circulating tank system; a drilling cuttings closed transfer system is a detailed description of the drilling cuttings transfer pipeline between the circulation tank 1 and the underground tank 18 in a drilling fluid circulation tank system; an automatic feeding device for a drilling fluid circulating tank is a detailed description of a material mixing device which provides drilling fluid for a slurry mixing suction pipeline 6 in a drilling fluid circulating tank system.
Example 1
Referring to fig. 1 to 2, an overall structure diagram of a drilling fluid circulation tank system of the present invention is shown, which includes:
a circulation tank 1, the circulation tank 1 comprising:
a tank body;
rotating the spray gun 2;
a sand setting sensor 3;
a solid control device 5;
the tank body is provided with a solid control device 5, the rotary spray gun 2 is arranged at the top end in the tank body, and the sand setting sensor 3 for detecting the height of the settled drill cuttings in the circulating tank is arranged at the lower side in the tank body;
a slurry pump absorption line 7;
a slurry-mixing suction line 6;
the circulating tanks 1 are provided with a plurality of circulating tanks, and the tops of the circulating tanks 1 are sequentially communicated with each other;
a slurry pump absorption pipeline 7 for pumping the drilling fluid in the circulation tank to an oil well is respectively connected with each circulation tank 1 through a valve, a connecting port of the slurry pump absorption pipeline 7 and the circulation tank 1 is higher than the sand setting sensor 3, and a slurry preparation absorption pipeline 6 for adding a treating agent to the circulation tank is respectively communicated with each circulation tank 1.
In the above embodiment, the circulation tank 1 is drilling fluid treatment equipment with solid control equipment 5, the rotary spray gun 2 and the sand setting sensor 3 are installed in the circulation tank 1, the sand setting sensor 3 is used for monitoring whether drilling cuttings in the circulation tank 1 are accumulated too high, the rotary spray gun 2 is used for spraying water into a pipe body after monitoring that drilling cuttings in the circulation tank 1 are too high, the drilling cuttings in the circulation tank 1 are washed, the drilling cuttings are discharged from a circulation tank opening 10 at the lower end of the circulation tank 1, the slurry pump absorption pipeline 7 is used for sending drilling fluid in any circulation tank into the slurry pump, the slurry preparation absorption pipeline 6 is used for absorbing a treating agent into any circulation tank 1, the circulation tanks 1 are sequentially connected from front to back, and are multi-stage treatment equipment, the circulation tanks are connected with the top of the circulation tank at the next stage, so that clean drilling fluid treated by the circulation tank at the previous stage can enter the circulation tank at the next stage, make multistage a plurality of circulating tanks 1 handle the drilling fluid with a solid control equipment 5 after the last one-level, effectively handle with another solid control equipment 5 at next one-level, preferably, slush pump absorption pipeline 7 passes through the valve with every circulating tank 1 respectively and is connected, can be connected with the slush pump by the circulating tank of certain processing stage of artificial control, has improved the drill chip greatly and has clear away efficiency, has reduced sand intensity of labour, has eliminated personnel's safety and environmental pollution hidden danger.
Example 2
Further, referring to fig. 1, another embodiment of the drilling fluid circulation tank system of the present invention further includes a drilling cuttings airtight transfer pipe 4, the drilling cuttings airtight transfer pipe 4 is located outside the circulation tank 1, and the drilling cuttings airtight transfer pipe 4 is respectively connected to bottoms of the plurality of circulation tanks 1 and the solid control equipment 5 of the plurality of circulation tanks 1.
In the above embodiment, the sealed conveying pipe 4 for drill cuttings is located outside the circulation tank 1 and is used for intensively collecting drill cuttings accumulated at the bottom in the circulation tank 1 and solid drill cuttings separated by the solid control equipment 5, and the sealed conveying pipe 4 for drill cuttings can effectively collect drill cuttings of all the circulation tanks 1 to one place, so that the problems that in the prior art, each circulation tank 1 is independently cleaned, the drill cuttings are detained outside the circulation tank 1, and troublesome cleaning and drill cuttings pollution to the environment are required to be manually carried out are avoided.
Example 3
Further, referring to fig. 3, in another embodiment of the drilling fluid circulation tank system of the present invention, an automatic sprayer 11 is disposed at the top inside the pipe of the drill cuttings airtight transmission pipe 4.
In the above embodiment, since the drill cuttings are particulate matters, which have strong adhesion and are not easily transported by the closed conveying pipe 4, the sprinkler 11 installed in the closed conveying pipe 4 can effectively transport the drill cuttings to the target site.
Example 4
Further, please refer to fig. 2, another embodiment of the utility model relates to a drilling fluid circulation tank system, jar body bottom has circulation tank discharge port 10 and strong water repellency inclined plane tank bottoms inclined plane 14, and strong water repellency inclined plane tank bottoms inclined plane 14 reduces from tank bottoms one end to the height of the other end gradually, and circulation tank discharge port 10 is located the one end that strong water repellency inclined plane tank bottoms inclined plane 14 height is low.
In the above embodiment, in order to prevent the drill cuttings from accumulating at the corners of the bottom of the tank body, the bottom of the tank body is provided with the inclined plane, and the bottom of the inclined plane is provided with the circulating tank discharge port 10, so that the drill cuttings on the inclined plane can be effectively discharged from the circulating tank discharge port 10, and the accumulation of the drill cuttings in the tank body is avoided.
Example 5
Further, referring to FIG. 2, in another embodiment of the present invention, the coating of the bottom slope 14 of the highly water-repellent inclined tank is PTFE, and the inclination angle of the bottom slope 14 of the highly water-repellent inclined tank is 5-30 °
In the above embodiment, the coating of the bottom slope 14 of the strong water repellency slope tank is made of polytetrafluoroethylene, which can reduce the adhesion of drill cuttings at the bottom of the tank body, and the inclination angle of the bottom slope 14 of the strong water repellency slope tank is set to 5-30 degrees, which can ensure that the drill cuttings flow out of the discharge port 10 of the circulation tank from the bottom of the tank body under the impact of water or drilling fluid.
Example 6
Further, the utility model relates to a drilling fluid circulation jar system's another embodiment, rotatory spray gun 2 has a plurality ofly, and a plurality of rotatory spray gun 2 are established respectively jar body top four corners, the injection end of rotatory spray gun 2 stretch into jar interior 20-50 centimetres, and rotatory spray gun 2 is intake and is held and be located outside the jar body.
In the above embodiment, in order to ensure that the rotary spray gun 2 can remove the inside of the tank in all directions, a plurality of rotary spray guns 2 are provided, and the plurality of rotary spray guns 2 are respectively provided at four corners of the top of the tank, so that water can be sprayed to the inside of the tank in all directions to wash away drill cuttings from the inside of the tank.
The rotary spray gun 2 extends into the position 20-50 cm inside the tank body, the inside of the tank body can be removed in an all-around mode due to the rotating characteristic of a spray head of the rotary spray gun 2, and a water inlet end of the rotary spray gun 2 is located in the tank body and used for sending clean water or drilling fluid without impurities into the rotary spray gun 2 to supply the fluid.
Example 7
Further, the utility model relates to a drilling fluid circulation tank system's another embodiment, the external audible-visual annunciator that still has of jar, audible-visual annunciator and 3 signal of telecommunication connections of sand setting inductor.
In the above embodiment, the audible and visual alarm can give an alarm when the drilling cuttings are excessively deposited in the tank body, the sand setting inductor 3 can be a contact inductor, the sand setting inductor 3 sends a signal to the audible and visual alarm after monitoring the drilling cuttings, and the audible and visual alarm gives an alarm. The grit sensor 3 may also be an optical sensor that monitors the height of the drill cuttings.
Example 8
Further, referring to fig. 1, in another embodiment of the drilling fluid circulation tank system of the present invention, a plurality of circulation tanks 1 have transition grooves 13 at the top thereof, and the plurality of circulation tanks 1 are sequentially connected through the transition grooves 13.
In the above embodiment, the transition groove 13 is used to sequentially connect the plurality of circulation tanks 1, and the plurality of circulation tanks 1 are sequentially connected to the top of the circulation tank 1, so that the drilling fluid processed by the circulation tank 1 at the previous stage can be circulated to the next stage for processing again.
Example 9
Further, please refer to fig. 1, the utility model relates to a drilling fluid circulation tank system's another embodiment, join in marriage that thick liquid suction line 6 has drilling fluid circulation tank automatic material conveying device outward, drilling fluid circulation tank automatic material conveying device is including joining in marriage thick liquid funnel 8 and automatic material conveying device 9, joins in marriage thick liquid suction line 6 and join in marriage thick liquid funnel 8 intercommunication, and automatic material conveying device 9 is provided with the storage cylinder of discharge valve for the bottom, and automatic material conveying device 9 sets up at joining in marriage thick liquid funnel 8 top.
In the above embodiment, the slurry preparation suction line 6 is used to add the treating agent into each circulation tank 1, and when the treating agent is added, the treating agent may be added to each circulation tank 1 in the form of a valve, and the adding manner may be pump injection or diffusion type adding using a communicating vessel.
Example 10
In the above embodiment, the utility model relates to a drilling fluid circulation tank system's another embodiment, the discharge valve is electronic tripper.
In the above embodiment, the discharge valve employs the electric discharger to accurately control the amount of the treating agent to be added, and to accurately control the treating agent to be supplied to the circulation tank 1.
Example 11
Please refer to fig. 4 and 5, which illustrate an overall structure diagram of a circulation tank of the present invention, the automatic induction cleaning system for a drilling fluid circulation tank comprises:
a tank body;
rotating the spray gun 2;
a sand setting sensor 3;
a liquid supply pump 16, wherein the liquid supply pump 16 supplies the injection liquid for the rotary injection gun 2;
the electric control valve is used for opening and closing the circulating tank outlet 10 at the lower end of the tank body;
a control module;
In the above embodiment, the solid control device 5 is installed in advance on the tank body, the rotary spray gun 2 and the sand setting sensor 3 are installed inside the tank body, the sand setting sensor 3 is used for monitoring whether the drilling cuttings in the circulation tank 1 are accumulated too high, the rotary spray gun 2 sprays water into the tank body after monitoring that the drilling cuttings in the circulation tank 1 are too much, the drilling cuttings in the circulation tank 1 are washed, the drilling cuttings are discharged from the circulation tank discharge port 10 at the lower end of the circulation tank 1, the liquid supply pump 16 provides the spray liquid for the rotary spray gun 2, so that the rotary spray gun 2 can spray water flow to clean the inside of the tank body, the rotary spray gun 2 can be a rotary spray gun driven by water flow in the prior art, or a rotary spray gun driven by a servo motor in the utility model, an electric control valve is arranged at the circulation tank discharge port 10 at the lower end of the tank body, and the opening and closing of the circulation tank discharge port 10, the control module can open and close the electric control valve in real time, can receive the electric signal of the sand setting sensor 3, controls the liquid supply pump 16 and the electric control valve, and carries out intelligent cleaning.
Example 12
Further, please refer to fig. 4, according to another embodiment of the present invention, an audible and visual alarm is provided outside the sand setting sensor 3, and the audible and visual alarm is electrically connected to the sand setting sensor 3 through the control module.
In the above embodiment, the sand setting sensor 3 can monitor the drill cuttings in the circulation tank 1, and when the drill cuttings are too high, the audible and visual alarm is controlled by the control module to give an alarm, so that the field personnel are prompted about the working state of the circulation tank 1.
Example 13
Further, in another embodiment of the present invention, the sand setting sensor 3 is a photoelectric sensor, an ultrasonic sensor, an infrared sensor and/or a laser sensor.
In the above embodiment, the drilling cuttings in the circulation tank 1 are monitored by the photoelectric sensor, the ultrasonic sensor, the infrared sensor and/or the laser sensor, so that real-time monitoring information can be obtained.
Example 14
Further, the utility model relates to a circulation is irritated another embodiment, rotatory spray gun 2 have rotatory nozzle, feed pipe, gear drive part and servo motor, rotatory nozzle rotates to be connected at the feed pipe tip, and servo motor passes through gear drive part is connected with the rotatory nozzle transmission.
In the above embodiment, the rotating direction of the rotary spray gun 2 is driven by the servo motor, and the rotation angle of the rotary spray gun 2 can be accurately controlled by gear transmission, so that the rotary spray gun 2 can efficiently clean the inside of the circulation tank 1 under the control of the servo motor.
Example 15
Further, please refer to fig. 6, in another embodiment of the present invention, the control module includes:
a sand setting sensing module 100 configured to monitor a height of drill cuttings accumulated at a bottom of the circulation tank using a sand setting sensor;
the settled sand cleaning module 200 is configured to obtain a drilling cutting height value monitored by a settled sand sensor, control an electric control valve at a discharge port of the circulation tank to be opened after the height value exceeds a first preset height, and start a liquid supply pump to supply liquid to the rotary spray gun after the opening time of the electric control valve exceeds a time preset value;
and the sand setting cleaning closing module 300 is configured to continuously monitor the drill cuttings height value monitored by the sand setting sensor, and close the liquid supply pump and close the electrically controlled valve at the discharge port of the circulating tank when the drill cuttings height value is lower than a second preset height.
In the above embodiment, the control module is preset with three values, that is, a first preset height, a second preset height and a time preset value, where the first preset height is a preset limit height value set by a user, after the grit cleaning module monitors that the drill cuttings exceed the first preset height, the grit cleaning module 200 that obtains a signal from the grit sensing module 100 controls the electronic control valve at the discharge outlet of the circulation tank to open, the second preset height is a minimum height value set by the user, and the grit cleaning closing module 300 closes the liquid supply pump and closes the electronic control valve at the discharge outlet of the circulation tank when sensing that the drill cuttings are lower than the second preset height. The time preset value is preset fixed time set by a user, and the liquid supply pump is started after the electric control valve is opened to exceed the time preset value. Monitoring that the drilling cuttings height piled up at the bottom in the circulation tank exceeds a first preset height by a sand setting sensor at a control module, then triggering the control module to control an electric control valve at a discharge outlet of the circulation tank to be opened, wherein the electric control valve is opened to discharge liquid in the circulation tank 1, a time preset value is set by a user, in actual use, the liquid in the circulation tank 1 needs to be emptied when the time preset value is long, in the process of controlling a liquid supply pump to clean iron scraps in the circulation tank 1 by a rotary spray gun 2 in a control system, and when the sand setting sensor 3 monitors that the iron scraps height is less than a second preset height, the control module closes the liquid supply pump and closes the electric control valve at the discharge outlet of the circulation tank. Accomplish cleaning, the sand setting condition in this embodiment can the auto-induction jar to in time make the suggestion of reporting to the police, can in time discover the volume of sinking. The sand setting in the tank can be automatically washed, and people do not need to enter the tank again to be removed, so that the removal efficiency is improved, and the potential safety hazard is eliminated.
Example 16
Further, referring to fig. 7, another embodiment of the circulating irrigation system of the present invention further includes:
and the sand setting sensing alarm module is configured to acquire the drilling cutting height value monitored by the sand setting sensor and start the audible and visual alarm to give an alarm after the height value exceeds a preset first height.
In the above embodiment, when the circulation tank 1 is in the cleaning state, the sand setting induction alarm module 400 controls the audible and visual alarm outside the circulation tank 1 to give an alarm, so as to prompt the working state of the circulation tank 1 to the field personnel, thereby avoiding the field accident caused by the misoperation of the personnel.
Example 17
Further, referring to fig. 8, another embodiment of the circulating irrigation system of the present invention further includes: further comprising:
and the rotary spray gun control module is configured to control a micro servo motor at the head of the rotary spray gun to drive the rotating angle of the gun head of the rotary spray gun.
In the above embodiment, when the rotary spray gun 2 works, the rotary spray gun control module 500 drives the rotating angle of the gun head of the rotary spray gun 2 through the micro servo motor, so that the rotary spray head can spray and clean a plurality of areas. The interior of the circulation tank 1 is further finely cleaned by the rotary spray gun 2.
Further, when the sand setting cleaning module 200 cleans the circulation tanks 1, the water inflow of the plurality of circulation tanks 1 may not be closed, and only the circulation tank discharge port 10 needs to be closed after the circulation tanks 1 are cleaned, so that the number of module units and detection units of the control module can be reduced, and the above-mentioned scenario can be realized because the water inflow of the circulation tanks 1 is circulated.
Example 18
Referring to fig. 9, a flow chart of an embodiment of an automatic induction cleaning method for a drilling fluid circulation tank according to an embodiment of the present invention is shown, where the automatic induction cleaning method for a drilling fluid circulation tank includes:
101, monitoring the height of drill cuttings accumulated at the bottom of the circulating tank by using a sand setting sensor;
201, acquiring a drilling cutting height value monitored by a sand setting sensor, controlling an electric control valve at a discharge outlet of a circulation tank to be opened after the height value exceeds a first preset height, and starting a liquid supply pump to supply liquid to a rotary spray gun after the opening time of the electric control valve exceeds a time preset value;
301, continuously monitoring the drilling cuttings height value monitored by the sand setting sensor, and closing the liquid supply pump and closing the electric control valve at the discharge outlet of the circulating tank when the drilling cuttings height value is lower than a second preset height.
In the above embodiment, the control module is preset with three values, that is, a first preset height, a second preset height and a time preset value, the first preset height is a preset limit height value set by a user, after the grit cleaning module monitors that the drill cuttings exceed the first preset height, the grit cleaning module acquiring a grit sensing module signal controls the electronic control valve at the discharge port of the circulation tank to open, the second preset height is a minimum height value set by the user, and the grit cleaning closing module closes the liquid supply pump and closes the electronic control valve at the discharge port of the circulation tank when sensing that the drill cuttings are lower than the second preset height. The time preset value is preset fixed time set by a user, and the liquid supply pump is started after the electric control valve is opened to exceed the time preset value. Monitoring that the drilling cuttings height piled up at the bottom in the circulation tank exceeds a first preset height by a sand setting sensor at a control module, then triggering the control module to control an electric control valve at a discharge outlet of the circulation tank to be opened, wherein the electric control valve is opened to discharge liquid in the circulation tank 1, a time preset value is set by a user, in actual use, the liquid in the circulation tank 1 needs to be emptied when the time preset value is long, in the process of controlling a liquid supply pump to clean iron scraps in the circulation tank 1 by a rotary spray gun 2 in a control system, and when the sand setting sensor 3 monitors that the iron scraps height is less than a second preset height, the control module closes the liquid supply pump and closes the electric control valve at the discharge outlet of the circulation tank. Accomplish cleaning, the sand setting condition in this embodiment can the auto-induction jar to in time make the suggestion of reporting to the police, can in time discover the volume of sinking. The sand setting in the tank can be automatically washed, and people do not need to enter the tank again to be removed, so that the removal efficiency is improved, and the potential safety hazard is eliminated.
Example 19
Referring to fig. 10, another embodiment of the present invention relates to an automatic induction cleaning method for a drilling fluid circulation tank, further comprising:
401, obtaining a drilling cutting height value monitored by a sand setting sensor, and starting an audible and visual alarm to give an alarm after the height value exceeds a preset first height.
In the above embodiment, when the circulation tank 1 is in the cleaning state, the audible and visual alarm is adopted outside the circulation tank 1 to give an alarm, so as to prompt the working state of the circulation tank 1 to the field personnel, thereby avoiding the field accident caused by the misoperation of the personnel.
Example 20
Referring to fig. 11, another embodiment of the present invention relates to an automatic induction cleaning method for a drilling fluid circulation tank, further comprising:
501, controlling a micro servo motor at the head of the rotary spray gun to drive the rotation angle of the gun head of the rotary spray gun.
In the above embodiment, when the rotary spray gun 2 works, the micro servo motor drives the rotating angle of the gun head of the rotary spray gun 2 to enable the rotary spray head to spray and clean a plurality of regions. The interior of the circulation tank 1 is further finely cleaned by the rotary spray gun 2.
The following drilling fluid circulation jar system, a drilling chip airtight transmission system, a drilling fluid circulation jar automatic material conveying device and the utility model discloses a drilling fluid circulation jar auto-induction cleaning method and system are a general utility model design, and one of them drilling fluid circulation jar system is the total system, and a drilling chip airtight transmission system is the chip removal part that is used for the chip removal in the total system, the utility model relates to a drilling fluid circulation jar auto-induction cleaning method and system are the circulation jar 1 part that can self-cleaning in the total system. An automatic feeding device for a drilling fluid circulating tank is a feeding device for feeding a drilling fluid treating agent into a circulating tank in a drilling fluid circulating tank system.
Example 21
Please refer to fig. 12 to 14, which illustrate an overall structure diagram of a drill cuttings airtight conveying system of the present invention, the drill cuttings airtight conveying system includes:
a cuttings containment transfer pipe 4, the cuttings containment transfer pipe 4 comprising:
a pipe body;
an automatic sprayer 11;
the automatic sprayer 11 is arranged at the top end of the pipe body, and a water spraying port of the automatic sprayer 11 faces to an outlet of the pipe body;
a liquid supply pump 16;
a vibrating screen 19;
an underground tank 18, wherein the underground tank 18 is positioned at one end of the outlet of the drill cuttings airtight conveying pipe 4;
the drill cuttings airtight conveying pipe 4 is connected with an underground tank 18, a vibrating screen 19 is arranged at the upper end of the underground tank 18, and the underground tank 18 is connected with a liquid inlet of the vibrating screen 19 through a liquid supply pump 16.
In the above embodiment, when the drill cuttings generated by the circulation tank 1 are processed, the drill cuttings are conveyed in a closed manner by the drill cuttings closed conveying pipe 4, and in order to overcome the adhesion of the drill cuttings to the pipe wall, an automatic sprayer 11 is arranged in the drill cuttings closed conveying pipe 4, and after the drill cuttings generated by the circulation tank 1 are received, the automatic sprayer 11 sprays, so that the drill cuttings are flushed from the inside of the drill cuttings closed conveying pipe 4 to the outlet of the drill cuttings closed conveying pipe 4 and are discharged;
the drilling cuttings are completely discharged and accumulated into the underground tank 18 through the sealed drilling cuttings conveying pipe 4, the vibrating screen 19 is used for screening the drilling fluids in the underground tank 18, the drilling cuttings in the underground tank 18 are cleaned, the drilling fluids mixed with the drilling cuttings in the underground tank 18 are pumped to an inlet of the vibrating screen 19 through the fluid supply pump 16, the drilling fluids mixed with the drilling cuttings are filtered and screened, the vibrating screen 19 can be arranged at the upper end of the underground tank 18 during field treatment, drilling fluids in the underground tank 18 are subjected to circulation treatment, and the drilling fluids screened by the vibrating screen 19 can be recycled and injected into a drilling well. The utility model discloses having improved the drill chip greatly and having clear away efficiency, having reduced sand intensity of labour, having eliminated environmental pollution hidden danger, can airtight collection solid controlling equipment and circulation tank exhaust drill chip can not cause environmental pollution, can erupt the washing liquid automatically, carry the drill chip of collecting in with airtight transmission pipe through the washing liquid and bury the jar, labour saving and time saving, washing liquid recycles, and whole drill chip is collected, is washd, can not increase the water yield in the transmission course.
Example 22
Further, referring to fig. 12 and 13, in another embodiment of the present invention, the drill cuttings airtight conveying pipe 4 is externally provided with a circulation tank 1, the drill cuttings airtight conveying pipe 4 is arranged at the bottom of the circulation tank 1, a discharge port of the circulation tank 1 is connected to a side wall of the drill cuttings airtight conveying pipe 4, and a discharge port of the solid control equipment 5 of the circulation tank 1 is connected to a side wall of the drill cuttings airtight conveying pipe 4.
In the above embodiment, the sealed conveying pipe 4 for drill cuttings is arranged at the bottom of the circulation tank 1, and can collect drill cuttings accumulated at the bottom of the circulation tank 1, and also can collect drill cuttings generated by the solid control equipment 5 in the circulation tank 1, and the sealed conveying pipe 4 for drill cuttings can receive drill cuttings from a plurality of circulation tanks 1 at the same time.
Example 23
Further, referring to fig. 12 and 13, another embodiment of the present invention further includes a liquid supply tank 17, the liquid supply tank 17 is located at an inlet end of the drill cuttings airtight conveying pipe 4, and a liquid outlet of the vibrating screen 19 is connected to the liquid supply tank 17.
In the above embodiment, a liquid supply pool 17 is disposed at one end of the inlet of the drill cuttings airtight conveying pipe 4 for storing drilling liquid filtered by the vibrating screen 19, and the liquid outlet of the vibrating screen 19 may be connected to the liquid supply pool 17 by a conveying water flow generated by a height difference.
Example 24
Further, referring to fig. 12 and 13, in another embodiment of the present invention, a spraying liquid supply pump 15 is disposed outside the liquid supply tank 17, and the liquid supply tank 17 is connected to the automatic sprayer 11 through the spraying liquid supply pump 15.
In the above embodiment, the liquid outlet of the vibrating screen 19 may be connected to the liquid supply tank 17 in such a manner that the drilling liquid screened by the vibrating screen 19 is conveyed into the liquid supply tank 17 by a pump.
Example 25
Further, in another embodiment of the present invention, the underground tank 18 has a volume of 5m3-30m3。
The power of the liquid supply pump 16 is 1KW-40 KW.
In the above embodiment, the underground tank 18 needs to temporarily store drilling fluid with cuttings, and therefore does not need to be too large or too small in volume, 5m3-30m3It is more suitable.
The capacity of the feed pump is matched to the capacity of the buried tank 18, and 1-40 KW is suitable.
Example 26
Further, the present invention provides another embodiment of the closed drilling cuttings conveying system, further comprising a control module, wherein the control module comprises:
the drilling cutting removal monitoring module is configured to monitor the height value of drilling cutting accumulated at the bottom in the grit sensor tank and monitor chip removal signals of all solid control devices in the circulating tank;
the cleaning equipment starting module is configured to obtain the drill chip height value and the chip removal signal, and when the drill chip height value exceeds a preset value and is obtained after the chip removal signal, the spraying liquid supply pump, the vibrating screen and the liquid supply pump are started.
In the embodiment, in order to make the utility model discloses can the auto-induction and in time clear up the drill chip that needs the clearance in the circulation tank 1, consequently still have the drill chip at control module and clear away the monitoring module and clear away the function that automatic monitoring and clearance that these two modules of module produced are opened to the equipment.
The task of the drilling cutting clearing monitoring module is to monitor whether signal information needing to remove drilling cuttings exists in the circulation tank 1 or not, when the circulation tank 1 is monitored, the drilling cutting height value can be detected, after the drilling cutting height value exceeds a preset value, under the control of the automatic induction cleaning device of the drilling fluid circulation tank in the embodiment, the drilling fluid can be discharged from the inside of the circulation tank 1 to clean the drilling cuttings in the circulation tank 1 and remove the drilling cuttings, after the drilling cutting clearing monitoring module monitors the operation, the spraying liquid supply pump can be controlled timely, the vibrating screen and the liquid supply pump can be controlled to carry out drilling cuttings removing operation on the sealed conveying pipe 4 of the drilling cuttings, and after the signals of the drilling cuttings removed by the solid control equipment 5 are detected, the drilling cutting clearing monitoring module can also control the spraying liquid supply pump timely after monitoring the operation, the vibrating screen and the liquid supply pump can be controlled timely to. According to the embodiment, the spraying liquid supply pump, the vibrating screen and the liquid supply pump can be intelligently started when necessary according to the condition of discharging drill cuttings in the circulating tank 1, so that energy can be saved, and the burden of equipment can be reduced.
Example 27
Further, the present invention provides another embodiment of the airtight conveying system for drill cuttings, further comprising:
and the clearing equipment closing module is configured to close the spraying liquid supply pump, the vibrating screen and the liquid supply pump after a preset time.
In the above embodiment, after the spraying liquid supply pump, the vibrating screen and the liquid supply pump are started, the spraying liquid supply pump, the vibrating screen and the liquid supply pump need to be closed in time after the drill cuttings are removed, so as to achieve the purposes of saving energy and reducing equipment burden.
It should be noted that, in the embodiments of the present invention, the terms referred to are:
the solid control equipment 5 belongs to the prior known technology, and the solid control equipment 5 emphasizes on developing equipment with small occupied area, high efficiency and long service life, such as sand removal, mud removal, deaerator and the like, is integrated with a high-speed centrifuge, and realizes automatic detection and a solid control system for implementing control according to detection results
Example 28
Please refer to fig. 15 and fig. 16, which are schematic diagrams illustrating an overall structure of an automatic feeding device for a drilling fluid circulation tank according to an embodiment of the present invention, the automatic feeding device for a drilling fluid circulation tank includes:
a gantry crane 22;
a charging bin 21;
the discharging bin door 20 is used for discharging, and the discharging bin door 20 for discharging is arranged at the bottom of the charging bin 21;
a slurry-mixing hopper 26;
the charging bin 21 is connected to the gantry crane 22, a slurry distribution hopper 26 for communicating with the drilling fluid circulation tank is arranged on a hoisting path of the gantry crane 22, the slurry distribution hopper 26 is positioned at the bottom of the gantry crane 22, and when the gantry crane 22 hoists the charging bin 21 above the slurry distribution hopper 26, the discharging bin door 20 is over against a material receiving port of the slurry distribution hopper 26.
In the above embodiment, since the required amount of drilling fluid is large during drilling, a large amount of drilling fluid treatment agent needs to be stored in the charging bin 21, in this embodiment, the gantry crane 22 is selected to lift the charging bin 21, the slurry distribution hopper 26 is arranged at the lower side of the gantry crane 22, when the drilling fluid treatment agent needs to be uniformly discharged into the slurry distribution hopper 26, the gantry crane 22 can be used to lift the charging bin 21 to the top of the slurry distribution hopper 26, the discharge bin door 20 is used to uniformly discharge the drilling fluid treatment agent into the slurry distribution hopper 26 to perform drilling fluid distribution, and after the drilling fluid treatment agent in the charging bin 21 is used, the gantry crane 22 can be used to transfer the charging bin 21 to the ground beside the slurry distribution hopper 26 to perform drilling fluid treatment agent adding operation to the charging bin 21.
In the concrete implementation, the loading bin 21 is firstly hoisted by using the gantry crane 22, then the slurry distribution hopper 26 is arranged at the right bottom of the loading bin 21, the slurry distribution hopper 26 is connected with the circulating tank 1, as shown in fig. 2, the loading bin 21 is transported to the empty space beside the slurry distribution hopper 26 by using the gantry crane 22, the drilling fluid treatment agent is added into the loading bin 21, then the loading bin 21 is hoisted to the right above the slurry distribution hopper 26, the drilling fluid treatment agent is continuously and uniformly added into the slurry distribution hopper 26, and the slurry distribution hopper 26 uniformly mixes the drilling fluid treatment agent and transfers the drilling fluid treatment agent into the circulating tank 1.
An automatic feeding device of a drilling fluid circulating tank is a feeding device consisting of a slurry mixing hopper 8 and an automatic feeding device 9.
Example 29
Further, referring to fig. 15 and fig. 16, in another embodiment of the present invention, a pump and a check valve are provided outside the slurry distribution hopper 26, the check valve is used for connecting the drilling fluid circulation tank, the outlet end of the pump is connected to the check valve, and the inlet end of the pump is connected to the bottom of the slurry distribution hopper 26.
In the above-mentioned embodiment, join in marriage thick liquid funnel 26 and have the water filling port, the water filling port is for joining in marriage thick liquid funnel 26 water injection and drilling fluid additive mixture, and the mixed liquid passes through pump and check valve injection circulating tank 1, if circulating tank 1's liquid level height is higher than the top of joining in marriage thick liquid funnel 26, can set up the check valve between circulating tank 1 and pump, prevents that the liquid in the circulating tank 1 from flowing backwards and overflowing behind joining in marriage thick liquid funnel 26.
Example 30
Further, referring to fig. 15 and fig. 16, in another embodiment of the automatic feeding device for a drilling fluid circulation tank according to an embodiment of the present invention, a stirrer is disposed on the slurry distribution hopper 26, and a stirring end of the stirrer is located in the slurry distribution hopper 26.
In the above embodiment, in order to make the slurry prepared from the drilling fluid treatment agent in the slurry preparation funnel 26 more uniform, a stirrer is arranged on the slurry preparation funnel 26, and the drilling fluid treatment agent and water in the slurry preparation funnel 26 are uniformly stirred by the stirrer, so that the performance of the prepared drilling fluid is more excellent.
Example 31
Further, please refer to fig. 15 and fig. 16, according to another embodiment of the present invention, the discharge bin gate 20 is an electric feeding valve, the bottom of the slurry distribution hopper 26 is provided with an electric driving pump, the gantry crane 22 is provided with a feeding console 24, and the feeding console 24 is used for controlling the gantry crane and the feeding console 24 of the electric feeding valve and the electric driving pump to be electrically connected with the electric feeding valve, the electric driving pump and the gantry crane 22 respectively.
In the above embodiment, the gantry crane 22, the discharge bin door 20 and the electrically driven pump are controlled by the feeding console 24, so that the control of the automatic feeding device of the drilling fluid circulating tank is more intelligent.
Example 32
Further, referring to fig. 15 and fig. 16, in another embodiment of the present invention, the charging console 24 includes:
the portal frame control module is used for controlling the charging bin on the portal frame to move to the top of the slurry distribution hopper or move the charging bin to the ground on one side of the slurry distribution hopper;
the injection bin gate control module is used for controlling the discharging speed of the injection bin gate;
and the electric drive pump control module is used for controlling the starting and stopping of the electric drive pump.
In the above embodiment, set up respectively in the feeding control platform 24 and be used for controlling the loading bin on the portal frame and move to joining in marriage thick liquid funnel top or with the loading bin move to joining in marriage the subaerial portal frame control module of thick liquid funnel one side to and the bin gate control module of annotating that is used for controlling the discharge rate of bin gate, be used for controlling the electric drive pump control module that stops of electric drive pump, when operating personnel carries out control operation, it is more convenient.
Example 33
Further, an embodiment of the utility model provides a another embodiment of a drilling fluid circulation jar automatic material conveying device, join in marriage thick liquid funnel 26 and still have circulation tank 1 outward, join in marriage thick liquid funnel 26 bottom and circulation tank 1 bottom intercommunication, the height of joining in marriage thick liquid funnel 26 top is not less than the liquid level of circulation tank 1.
In the above embodiment, the circulation tank 1 is used for storing the drilling fluid disposed in the slurry distribution funnel 26, and when the slurry distribution funnel 26 is disposed, the height of the top of the slurry distribution funnel 26 is controlled not to be lower than the liquid level of the circulation tank 1, so that the liquid in the circulation tank 1 is prevented from returning to the slurry distribution funnel 26 and overflowing.
Example 34
Further, an embodiment of the utility model provides a pair of drilling fluid circulation jar automatic material conveying device's another embodiment, join in marriage that thick liquid funnel 26 bottom has a processing agent suction line 25 for connect join in marriage thick liquid funnel and circulation jar processing agent suction line 25 one end and connect and join in marriage thick liquid funnel 26 bottom, the other end is connected the pump.
In the above embodiment, the treating agent suction line 25 is used for connecting the circulation tank 1, and the drilling fluid prepared in the slurry preparation hopper 26 is pumped into the circulation tank 1 by a pump.
Example 35
Further, an embodiment of the utility model provides a drilling fluid circulation jar automatic material conveying device's another embodiment, the loading bin 21 volume is 1m3-10m3。
In the above embodiment, the volume of the hopper 21 is set to 1m3-10m3；
The discharging bin gate 20 is a rotary discharging valve or a star-shaped discharging valve, and the discharging speed of the discharging bin gate 20 is 100g/min-100 kg/min.
In the above embodiment, the volume of the hopper 21 is set to 1m3-10m3The discharging speed of the discharging bin door 20 is 100g/min-100kg/min, so that the requirement of drilling fluid for drilling can be effectively met.
The gantry crane 22 is connected with the charging bin 21 through a steel wire rope 23.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the present embodiment are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
In addition, descriptions related to "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Technical solutions between various embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Claims (8)
1. The utility model provides a drilling fluid circulation jar automatic material conveying device which characterized in that includes:
a gantry crane (22);
a charging bin (21);
the discharging bin door (20) is used for discharging, and the discharging bin door (20) is arranged at the bottom of the charging bin (21);
a slurry-mixing funnel (26);
the charging bin (21) is connected to the gantry crane (22), a slurry distribution hopper (26) for communicating a drilling fluid circulating tank is arranged on the hoisting path of the gantry crane (22), the slurry distribution hopper (26) is positioned at the bottom of the gantry crane (22), and when the gantry crane (22) hoists the charging bin (21) above the slurry distribution hopper (26), the discharging bin door (20) is over against the receiving port of the slurry distribution hopper (26).
2. The automatic feeding device for the drilling fluid circulation tank is characterized in that a pump and a one-way valve are arranged outside the slurry distribution hopper (26), the one-way valve is used for being connected with the drilling fluid circulation tank, the outlet end of the pump is connected with the one-way valve, and the inlet end of the pump is connected with the bottom of the slurry distribution hopper (26).
3. The automatic feeding device of the drilling fluid circulation tank is characterized in that a stirrer is arranged on the slurry distribution hopper (26), and the stirring end of the stirrer is positioned in the slurry distribution hopper (26).
4. The automatic feeding device of the drilling fluid circulating tank is characterized in that the discharge bin gate (20) is an electric feeding valve, an electrically driven pump is arranged at the bottom of the slurry distribution hopper (26), a feeding control platform (24) is arranged outside the gantry crane (22), and the feeding control platform (24) used for controlling the gantry crane and the electric feeding valve and the electrically driven pump is electrically connected with the electric feeding valve, the electrically driven pump and the gantry crane (22) respectively.
5. Drilling fluid circulation tank automatic charging device according to claim 4, characterized in that the charging console (24) comprises:
the portal frame control module is used for controlling the charging bin on the portal frame to move to the top of the slurry distribution hopper or move the charging bin to the ground on one side of the slurry distribution hopper;
the injection bin gate control module is used for controlling the discharging speed of the injection bin gate;
and the electric drive pump control module is used for controlling the starting and stopping of the electric drive pump.
6. The automatic feeding device of the drilling fluid circulating tank is characterized in that the slurry distribution hopper (26) is provided with a circulating tank (1), the bottom of the slurry distribution hopper (26) is communicated with the bottom of the circulating tank (1), and the height of the top of the slurry distribution hopper (26) is not lower than the liquid level of the circulating tank (1).
7. The automatic feeding device of the drilling fluid circulation tank is characterized in that a treating agent suction pipeline (25) and a pump are arranged at the bottom of the slurry distribution hopper (26), one end of the treating agent suction pipeline (25) for connecting the slurry distribution hopper and the circulation tank is connected with the bottom of the slurry distribution hopper (26), and the other end of the treating agent suction pipeline is connected with the pump.
8. Drilling fluid circulation tank automatic feeding device according to claim 1, characterized in that the charging bin (21) has a volume of 1m3-10m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921736908.3U CN211115867U (en) | 2019-10-16 | 2019-10-16 | Automatic feeding device for drilling fluid circulating tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921736908.3U CN211115867U (en) | 2019-10-16 | 2019-10-16 | Automatic feeding device for drilling fluid circulating tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211115867U true CN211115867U (en) | 2020-07-28 |
Family
ID=71699202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921736908.3U Active CN211115867U (en) | 2019-10-16 | 2019-10-16 | Automatic feeding device for drilling fluid circulating tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211115867U (en) |
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2019
- 2019-10-16 CN CN201921736908.3U patent/CN211115867U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201027 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: Weiyang road 710018 Shaanxi city of Xi'an province Changqing No. 151 building room 1902 Patentee before: CNPC CHUANQING DRILLING ENGINEERING CO., LTD. CHANGQING WELL DRILLING GENERAL Co. |
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| TR01 | Transfer of patent right |