CN110700774B - Circulation tank and drilling fluid circulation tank automatic induction cleaning method - Google Patents
Circulation tank and drilling fluid circulation tank automatic induction cleaning method Download PDFInfo
- Publication number
- CN110700774B CN110700774B CN201910984309.1A CN201910984309A CN110700774B CN 110700774 B CN110700774 B CN 110700774B CN 201910984309 A CN201910984309 A CN 201910984309A CN 110700774 B CN110700774 B CN 110700774B
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- tank
- sand setting
- circulation tank
- circulating
- drilling fluid
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- 238000005553 drilling Methods 0.000 title claims abstract description 176
- 239000012530 fluid Substances 0.000 title claims abstract description 117
- 238000004140 cleaning Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000006698 induction Effects 0.000 title claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims abstract description 153
- 239000004576 sand Substances 0.000 claims abstract description 114
- 239000007921 spray Substances 0.000 claims abstract description 96
- 239000007788 liquid Substances 0.000 claims abstract description 94
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 239000002002 slurry Substances 0.000 claims description 65
- 238000009826 distribution Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000007787 solid Substances 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 22
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- 238000012544 monitoring process Methods 0.000 claims description 18
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 239000003129 oil well Substances 0.000 claims description 2
- 238000011068 loading method Methods 0.000 description 24
- 238000007599 discharging Methods 0.000 description 16
- 238000002360 preparation method Methods 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000005871 repellent Substances 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
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- 230000007704 transition Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
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- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B21/065—Separating solids from drilling fluids
- E21B21/066—Separating solids from drilling fluids with further treatment of the solids, e.g. for disposal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B21/068—Arrangements for treating drilling fluids outside the borehole using chemical treatment
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Abstract
The invention relates to a circulating tank and a drilling fluid circulating tank automatic induction cleaning method, which belong to the technical field of drilling engineering circulating system machinery, and the invention provides a circulating tank, which is characterized by comprising the following steps: a tank body; a rotary spray gun; a sand setting sensor; a liquid supply pump, which supplies the injection liquid for the rotary injection gun; the electric control valve is used for opening and closing a circulating tank outlet at the lower end of the tank body; a control module; the rotary spray gun is arranged at the top end in the tank body, the sand setting sensor for detecting the height of settled drilling cuttings in the circulating tank is arranged at the lower side in the tank body, the liquid supply pump is connected with the rotary spray gun, and the control module is respectively connected with the electric control valve, the liquid supply pump and the sand setting sensor through electric signals. The sand setting condition in the tank can be automatically sensed, an alarm prompt can be timely made, and the settlement can be timely found. The sand setting device can automatically flush the sand setting in the tank, does not need personnel to reenter the tank for cleaning, improves the cleaning efficiency, and eliminates the potential safety hazard.
Description
Technical Field
The invention belongs to the technical field of drilling engineering circulating system machinery, and particularly relates to a circulating tank and an automatic induction cleaning method for the drilling fluid circulating tank.
Background
During the period of holding drilling fluid, drill cuttings in the drilling fluid, which are not removed by the solid control equipment, are easy to deposit at the bottom of the circulating tank, and because the sand setting amount at the bottom of the tank cannot be timely detected, the sand setting in the tank is generally cleaned only after drilling is finished. The sand setting amount at the bottom of the circulating tank is large, particularly four corners of the circulating tank, and the performance of drilling fluid is influenced during normal drilling; when the tank is cleaned, the personnel can only clean the sand setting after entering the circulation tank, the labor intensity and the difficulty are very high, and because the tank is a closed space, the tank is provided with great potential safety hazards, and the tank cleaning personnel cannot monitor the tank in place and have the case of carbon dioxide poisoning in the tank.
Disclosure of Invention
The invention is specially made for solving the problems of high sand setting and clearing difficulty, low efficiency, high potential safety hazard during sand cleaning and the like of the existing circulating tank. The invention provides a circulating tank and a drilling fluid circulating tank automatic induction cleaning method, wherein the sand setting quantity in the circulating tank is automatically sensed by an inductor, the automatic alarm is given after the sand setting quantity exceeds a set range, a personnel is connected with a liquid supply pump and a rotary spray gun after receiving an alarm signal, the spray gun can automatically remove sand setting in the range, and the sand setting in the circulating tank is easily washed to an opening of the bottom of the circulating tank under the injection of the spray gun due to the fact that the bottom of the tank is a water-repellent inclined-surface tank bottom.
A circulation tank comprising:
a tank body;
a rotary spray gun;
a sand setting sensor;
a liquid supply pump, which supplies the injection liquid for the rotary injection gun;
the electric control valve is used for opening and closing a circulating tank outlet at the lower end of the tank body;
a control module;
the rotary spray gun is arranged at the top end in the tank body, the sand setting sensor for detecting the height of settled drilling cuttings in the circulating tank is arranged at the lower side in the tank body, the liquid supply pump is connected with the rotary spray gun, and the control module is respectively connected with the electric control valve, the liquid supply pump and the sand setting sensor through electric signals.
The sand setting sensor is provided with an audible and visual alarm outside, and the audible and visual alarm is electrically connected with the sand setting sensor through the control module.
The sand setting sensor is a photoelectric sensor, an ultrasonic sensor, an infrared light sensor and/or a laser sensor;
the control module comprises a sand setting sensing module, a sand setting cleaning module and a sand setting cleaning closing module.
The rotary spray gun is provided with a rotary spray head, a water supply pipe, a gear transmission part and a servo motor, wherein the rotary spray head is rotationally connected to the end part of the water supply pipe, and the servo motor is in transmission connection with the rotary spray head through the gear transmission part.
The control module includes:
a sand setting sensing module configured to monitor a height of cuttings accumulated in the bottom of the circulation tank using a sand setting sensor;
the sand setting cleaning module is configured to acquire the height value of drilling cuttings monitored by the sand setting sensor, control an electric control valve at the discharge port of the circulating 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;
the sand setting cleaning closing module is configured to continuously monitor the height value of the drilling cuttings monitored by the sand setting sensor, and close the liquid supply pump and close the electric control valve at the discharge port of the circulating tank when the height value of the drilling cuttings is lower than a second preset height.
Further comprises:
the sand setting sensing alarm module is configured to acquire the height value of drilling cuttings monitored by the sand setting sensor, and starts an audible and visual alarm to alarm after the height value exceeds a preset first set height.
Further comprises:
the rotary spray gun control module is configured to control the micro servo motor of the rotary spray gun head to drive the rotary spray gun head to rotate at an angle.
Comprising the following steps:
monitoring the height of drilling cuttings accumulated at the bottom of the circulating tank by using a sand setting sensor;
an electric control valve at the outlet is opened, and a liquid supply pump is started to supply liquid to the rotary spray gun after the opening time of the electric control valve exceeds a time preset value;
And continuously monitoring the height value of the drilling cuttings monitored by the sand setting sensor, and closing the liquid supply pump and the electric control valve at the discharge port of the circulating tank when the height value of the drilling cuttings is lower than a second preset height.
Further comprises:
and acquiring the height value of the drilling cuttings monitored by the sand setting sensor, and starting an audible and visual alarm to alarm after the height value exceeds a preset first set height.
Further comprises:
and controlling the miniature servo motor of the rotary spray gun head to drive the rotary spray gun head to rotate at an angle.
The beneficial effects of the invention are as follows:
1. the sand setting condition in the tank can be automatically sensed, an alarm prompt can be timely made, and the settlement can be timely found.
2. The sand setting device can automatically flush the sand setting in the tank, does not need personnel to reenter the tank for cleaning, improves the cleaning efficiency, and eliminates the potential safety hazard.
Drawings
FIG. 1 is a top view of a drilling fluid circulation tank system;
FIG. 2 is a view of the interior of a circulation tank of a drilling fluid circulation tank system;
FIG. 3 is an internal view of a cuttings containment vessel of a drilling fluid circulation tank system;
FIG. 4 is a top view of a recirculation tank according to the present invention;
FIG. 5 is a cross-sectional view of a recirculation tank according to the present invention;
FIG. 6 is a block diagram illustrating one embodiment of the control module internal control in the circulation tank according to the present invention;
FIG. 7 is a block diagram of another embodiment of the present invention of the internal control of the control module in the circulation tank;
FIG. 8 is a block diagram illustrating one embodiment of the control module internal control within the recirculation tank in accordance with the present invention;
FIG. 9 is a flow chart of an embodiment of a method for automatic induction cleaning of drilling fluid circulation tanks in accordance with the present invention;
FIG. 10 is a flow chart of another embodiment of a method for automatic induction cleaning of drilling fluid circulation tanks in accordance with the present invention;
FIG. 11 is a flow chart of another embodiment of a method for automatic induction cleaning of drilling fluid circulation tanks in accordance with the present invention;
FIG. 12 is a top view of a cuttings containment system;
FIG. 13 is a side view of a cuttings containment system;
FIG. 14 is an internal structural view of a cuttings containment transport pipe in a cuttings containment transport system;
FIG. 15 is a schematic view of the overall structure of a drilling fluid circulation tank automatic feeding device with drilling fluid treatment agent;
fig. 16 is a schematic view of the overall structure of the drilling fluid circulation tank automatic feeding device when feeding the loading bin.
Marked in the figure as: 1. a circulation tank; 2. a rotary spray gun; 3. a sand setting sensor; 4. a drill cuttings airtight conveying pipe; 5. a solid control device; 6. a slurry suction line; 7. a mud pump suction line; 8. a slurry preparation funnel; 9. an automatic feeding device; 10. a circulation tank discharge port; 11. an automatic sprayer; 12. a nozzle; 13. a transition groove; 14. a tank bottom inclined plane with strong water repellency; 15. spraying a liquid supply pump; 16. a liquid supply pump; 17. a liquid supply tank; 18. a buried tank; 19. a vibrating screen; 20. a discharging bin door; 21. a material loading bin; 22. a gantry crane; 23. a wire rope; 24. a charging control console; 25. a treatment agent suction line; 26. and (5) a slurry preparation funnel.
Detailed Description
It should be noted first that, in the various embodiments of the present invention, the terms involved are:
a discharge bin gate 20 for discharging, which may be an electric discharge valve as in the prior art.
The solid control equipment 5, the solid control equipment 5 belongs to the prior known technology, at present, the solid control equipment is mainly developed into equipment with small occupied area, high efficiency, long service life such as desanding, desilting, deaerator and the like, and is integrated with a high-speed centrifugal machine, so that the solid control system for automatic detection and control according to the detection result is realized.
The first preset height is a preset limit height value set by a user, and after the sand setting cleaning module monitors that the drilling cuttings exceed the first preset height, the sand setting cleaning module controls an electric control valve at the discharge port of the circulating tank to be opened.
The second preset height is a minimum height value set by a user, and when the sand setting cleaning closing module senses that the drilling cuttings are lower than the second preset height, the liquid supply pump and the electric control valve at the discharge port of the circulating tank are closed.
And the time preset value is preset fixed time set by a user, and after the electric control valve is opened beyond the time preset value, the liquid supply pump is started.
The invention provides an automatic feeding device of a drilling fluid circulating tank, which is a feeding system in the prior art or is provided by the invention, and consists of a feeding hopper and a feeding device. There are many forms of hopper, and the common form is a combination of cylindrical and conical forms. Stirring paddles can be arranged in the hopper to conduct quantitative feeding or forced feeding. In order to facilitate the feeding hopper to be provided with a material level control device, the automatic feeding device is matched with an automatic feeding device for feeding, and the automatic feeding device for extrusion molding of plastics mainly comprises blast feeding, spring feeding, vacuum feeding and the like. The blast feeder blows the materials into a conveying pipeline by utilizing wind power, the materials are separated by a cyclone separator on a hopper, and the solid materials fall into a hopper. This approach is suitable for transporting pellets with low transport capacity.
In the following, a drilling fluid circulation tank scheme provided by the embodiment of the invention will be described in detail through several specific embodiments.
Example 1-example 10 are example illustrations of a drilling fluid circulation tank system;
example 11-example 20 is an example illustration of a recycle tank;
examples 21-27 are examples illustrative of a cuttings containment system;
example 28-example 35 is an example illustration of a drilling fluid circulation tank automatic feed device;
one of the circulating tanks is a detailed description of the circulating tank 1 in a drilling fluid circulating tank system; a drill cuttings closed conveying system is a detailed description of a pipeline for conveying drill cuttings between a circulating tank 1 and a buried tank 18 in a drilling fluid circulating tank system; an automatic feeding device of a drilling fluid circulation tank is a detailed description of a batching device for providing drilling fluid to a slurry suction pipeline 6 in a drilling fluid circulation tank system.
Example 1
Referring to fig. 1 to 2, which show an overall construction diagram of a drilling fluid circulation tank system of the present invention, the drilling fluid circulation tank system comprises:
a circulation tank 1, the circulation tank 1 comprising:
a tank body;
a rotary 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 of the tank body, and the sand setting sensor 3 for detecting the height of settled drilling cuttings in the circulating tank is arranged at the lower side of the tank body;
a mud pump absorption line 7;
a slurry suction line 6;
the circulating tanks 1 are multiple, and the tops of the circulating tanks 1 are sequentially communicated with each other;
the slurry pump absorption pipelines 7 for pumping the drilling fluid in the circulating tanks to the oil well are respectively connected with each circulating tank 1 through valves, the connection ports of the slurry pump absorption pipelines 7 and the circulating tanks 1 are higher than the sand setting sensor 3, and the slurry distribution suction pipelines 6 for adding the treating agent to the circulating tanks are respectively communicated with each circulating tank 1.
In the above embodiment, the circulation tank 1 is a drilling fluid treatment device with a solid control device 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 the drilling cuttings in the circulation tank 1 are excessively high, the rotary spray gun 2 sprays water into the pipe body after monitoring that the drilling cuttings in the circulation tank 1 are excessively high, the drilling cuttings in the circulation tank 1 are washed, the drilling cuttings are discharged from the circulation tank opening 10 at the lower end of the circulation tank 1, the drilling fluid in any circulation tank is fed into the mud pump through the mud pump absorption pipeline 7, the slurry distribution absorption pipeline 6 is used for absorbing the treating agent into any circulation tank 1, the plurality of circulation tanks 1 are sequentially connected in front and back, the multistage treatment device is used for connecting the circulation tank with the top of the circulation tank of the next stage, the cleaner drilling fluid processed by the circulation tank of the previous stage can be ensured to enter the circulation tank of the next stage, the drilling fluid is effectively processed by another solid control device 5 after being processed by the previous stage, and the preferential mud pump absorption pipeline 7 is connected with the circulation tank 1 through the valve of each circulation tank, the hidden danger and the environmental pollution can be reduced, and the environmental pollution can be eliminated.
Example 2
Further, referring to fig. 1, another embodiment of a drilling fluid circulation tank system of the present invention further includes a drill cuttings airtight transmission pipe 4, wherein the drill cuttings airtight transmission pipe 4 is located outside the circulation tank 1, and the drill cuttings airtight transmission pipe 4 is respectively connected to bottoms of the plurality of circulation tanks 1 and solid control equipment 5 of the plurality of circulation tanks 1.
In the above embodiment, the sealed drill cuttings conveying pipe 4 is located outside the circulation tank 1 and is used for collecting the accumulated drill cuttings in the circulation tank 1 and the solid drill cuttings separated by the solid control equipment 5 in a centralized manner, and the sealed drill cuttings conveying pipe 4 can effectively collect the drill cuttings of all the circulation tanks 1 in a centralized manner, so that the problem that in the prior art, each circulation tank 1 is cleaned independently, the drill cuttings are detained outside the circulation tank 1, and complicated cleaning and environmental pollution caused by the drill cuttings are required to be carried out manually is 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 of the drill cuttings airtight conveying pipe 4.
In the above embodiment, since the drill cuttings are particulate matters, the adhesion force is strong, and the drill cuttings are not easily conveyed by the cuttings airtight conveying pipe 4, and therefore, the drill cuttings can be effectively conveyed to a target site by installing the sprayer 11 in the airtight conveying pipe 4.
Example 4
Further, referring to fig. 2, in another embodiment of the drilling fluid circulation tank system of the present invention, the bottom of the tank body has a circulation tank outlet 10 and a strong water-repellent inclined surface tank bottom inclined surface 14, the height of the strong water-repellent inclined surface tank bottom inclined surface 14 gradually decreases from one end of the tank bottom to the other end, and the circulation tank outlet 10 is located at the end with low height of the strong water-repellent inclined surface tank bottom inclined surface 14.
In the above embodiment, in order to prevent the accumulation of the drill cuttings at the corners at the bottom of the tank body, the bottom of the tank body is set to be an inclined plane, and the bottom of the inclined plane is provided with the circulation tank discharge port 10, so that the drill cuttings on the inclined plane can be effectively discharged from the circulation 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 drilling fluid circulation tank system of the present invention, the coating of the bottom slope 14 of the high water-repellent slope is polytetrafluoroethylene, and the inclination angle of the bottom slope 14 of the high water-repellent slope is 5 ° -30 °.
In the above embodiment, the coating of the tank bottom inclined surface 14 with strong water repellency is polytetrafluoroethylene, so that the adhesive force of drill cuttings at the bottom of the tank body can be reduced, and the inclination angle of the tank bottom inclined surface 14 with strong water repellency is set to be 5-30 degrees, so that the drill cuttings can be ensured to flow out of the circulating tank discharge port 10 from the bottom of the tank body under the impact of water or drilling fluid.
Example 6
Further, in another embodiment of the drilling fluid circulation tank system of the present invention, the rotary spray guns 2 are plural, the plural rotary spray guns 2 are respectively disposed at four corners of the top of the tank body, the spray ends of the rotary spray guns 2 extend into the tank for 20-50 cm, and the water inlet ends of the rotary spray guns 2 are located outside the tank body.
In the above embodiment, in order to ensure that the rotary spray gun 2 can perform omnibearing cleaning on the inside of the tank body, a plurality of rotary spray guns 2 are arranged, and the rotary spray guns 2 are respectively arranged at four corners of the top of the tank body, so that water can be sprayed on the inside of the tank body in an omnibearing manner to flush drill cuttings from the inside of the tank body.
The rotary spray gun 2 stretches into the position of 20-50 cm inside the tank body, and the rotary characteristic of the spray head of the rotary spray gun 2 can be used for cleaning the inside of the tank body in an omnibearing manner, and the water inlet end of the rotary spray gun 2 is positioned in the tank body and is used for feeding clean water or drilling fluid without impurities into the rotary spray gun 2 for supplying the drilling fluid.
Example 7
Further, in another embodiment of the drilling fluid circulation tank system, an audible and visual alarm is further arranged outside the tank body, and the audible and visual alarm is in electric signal connection with the sand setting sensor 3.
In the above embodiment, the audible and visual alarm can alarm when the drill cuttings are too much deposited in the tank body, the sand setting sensor 3 can be a contact sensor, and the sand setting sensor 3 sends a signal to the audible and visual alarm after monitoring the drill cuttings, and the audible and visual alarm alarms. The sand setting sensor 3 may also be an optical sensor, which monitors the height of the cuttings.
Example 8
Further, referring to fig. 1, in another embodiment of a drilling fluid circulation tank system of the present invention, a transition groove 13 is formed at the top of a plurality of circulation tanks 1, and the plurality of circulation tanks 1 are sequentially connected through the transition groove 13.
In the above embodiment, the transition groove 13 is used to sequentially connect the plurality of circulation tanks 1, and sequentially connect the plurality of circulation tanks 1 at the top of the circulation tank 1, so that the drilling fluid flow processed at the previous stage of the circulation tank 1 can be transferred to the next stage for processing again.
Example 9
Further, referring to fig. 1, in another embodiment of a drilling fluid circulation tank system of the present invention, a drilling fluid circulation tank automatic feeding device is disposed outside the slurry distribution suction pipeline 6, the drilling fluid circulation tank automatic feeding device includes a slurry distribution funnel 8 and an automatic feeding device 9, the slurry distribution suction pipeline 6 is communicated with the slurry distribution funnel 8, the automatic feeding device 9 is a material storage barrel with a discharge valve at the bottom, and the automatic feeding device 9 is disposed at the top of the slurry distribution funnel 8.
In the above embodiment, the slurry suction line 6 is used to add the treating agent to 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 mode may be pumping or diffusion type adding by using a communicating vessel.
Example 10
In another embodiment of the drilling fluid circulation tank system of the present invention, the discharge valve is an electric discharger.
In the above embodiment, the discharge valve can precisely control the addition amount of the treating agent by using the electric discharger, and can precisely control the treating agent to the circulation tank 1.
Example 11
Referring to fig. 4 and 5, which show an overall structure diagram of a circulation tank according to the present invention, the drilling fluid circulation tank auto-induction cleaning system comprises:
a tank body;
a rotary spray gun 2;
a sand setting sensor 3;
a liquid supply pump 16, wherein the liquid supply pump 16 supplies the injection liquid to the rotary injection gun 2;
the electric control valve is used for opening and closing the circulating tank discharge port 10 at the lower end of the tank body;
a control module;
the rotary spray gun 2 is arranged at the top end in the tank body, the sand setting sensor 3 for detecting the height of settled drilling cuttings in the circulating tank is arranged at the lower side in the tank body, the liquid supply pump 16 is connected with the rotary spray gun 2, and the control module is respectively connected with the electric control valve, the liquid supply pump 16 and the sand setting sensor 3 in an electric signal mode.
In the above embodiment, the tank body is provided with the solid control device 5 in advance, the rotary spray gun 2 and the sand setting sensor 3 are installed in the tank body, the sand setting sensor 3 is used for monitoring whether the drilling cuttings in the circulating tank 1 are excessively high, the rotary spray gun 2 sprays water into the pipe body after monitoring that the drilling cuttings in the circulating tank 1 are excessively high, the drilling cuttings in the circulating tank 1 are washed, the drilling cuttings are discharged from the circulating tank outlet 10 at the lower end of the circulating tank 1, the liquid supply pump 16 supplies the rotary spray gun 2 with spray liquid, the rotary spray gun 2 can spray water flow, the tank body is cleaned, the rotary spray gun 2 can be a spray gun driven by water flow in the prior art, or the rotary spray gun driven by a servo motor in the invention, the electric control valve is arranged at the circulating tank outlet 10 at the lower end of the tank body, the opening and closing of the circulating tank outlet 10 are controlled by the electric control valve, the control module can receive the electric signal of the sand setting sensor 3 in real time, and the liquid supply pump 16 and the electric control valve are controlled, and intelligent cleaning is performed.
Example 12
Further, referring to fig. 4, in another embodiment of the circulation tank of the present invention, an audible and visual alarm is disposed outside the sand setting sensor 3, and the audible and visual alarm is electrically connected with 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 as to prompt the working state of the circulation tank 1 to the field personnel.
Example 13
Further, in another embodiment of the circulation tank 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 drill 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, in another embodiment of the circulation tank of the present invention, the rotary spray gun 2 is provided with a rotary spray head, a water supply pipe, a gear transmission component and a servo motor, wherein the rotary spray head is rotatably connected to the end of the water supply pipe, and the servo motor is in transmission connection with the rotary spray head through the gear transmission component.
In the above embodiment, the rotation direction of the rotary spray gun 2 is driven by a servo motor, and the rotation angle of the rotary spray gun 2 can be precisely controlled by gear transmission, and under the control of the servo motor, the rotary spray gun 2 can efficiently clean the inside of the circulation tank 1.
Example 15
Further, referring to fig. 6, in another embodiment of the circulation tank of the present invention, the control module includes:
a sand setting sensing module 100 configured to monitor the height of cuttings accumulated in the bottom of the circulation tank using a sand setting sensor;
the sand setting cleaning module 200 is configured to acquire the height value of drilling cuttings monitored by the sand setting sensor, control the opening of an electric control valve at the discharge port of the circulating tank when the height value exceeds a first preset height, and start a liquid supply pump to supply liquid to the rotary spray gun when the opening time of the electric control valve exceeds a time preset value;
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 electric control valve at the outlet of the circulation 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, namely, 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 sand setting cleaning module monitors that the drill cuttings exceed the first preset height, the sand setting cleaning module 200 that obtains the signals of the sand setting sensing module 100 controls the electric control valve at the outlet of the circulation tank to be opened, the second preset height is a minimum height value set by the user, and the sand setting cleaning closing module 300 closes the liquid supply pump and closes the electric control valve at the 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 after the electric control valve is opened beyond the time preset value, the liquid supply pump is started. When the control module monitors that the height of drilling cuttings accumulated in the bottom of the circulating tank monitored by the sand setting sensor exceeds a first preset height, then the control module is triggered to control an electric control valve at the discharge port of the circulating tank to be opened, the opening of the electric control valve is used for discharging liquid in the circulating tank 1, a time preset value is set by a user, in actual use, the liquid in the circulating tank 1 needs to be emptied during the time preset value, and when the control system controls a liquid supply pump to clean scrap iron in the circulating tank 1 by using the rotary spray gun 2, when the sand setting sensor 3 monitors that the height of the scrap iron is smaller than a second preset height, the control module closes the liquid supply pump and closes the electric control valve at the discharge port of the circulating tank. The cleaning work is completed, the sand setting condition in the tank can be automatically sensed, an alarm prompt can be timely made, and the settlement can be timely found. The sand setting device can automatically flush the sand setting in the tank, does not need personnel to reenter the tank for cleaning, improves the cleaning efficiency, and eliminates the potential safety hazard.
Example 16
Further, referring to fig. 7, another embodiment of the circulation tank of the present invention further includes:
the sand setting sensing alarm module is configured to acquire the height value of drilling cuttings monitored by the sand setting sensor, and starts an audible and visual alarm to alarm after the height value exceeds a preset first set height.
In the above embodiment, when the circulation tank 1 is in the cleaning state, the sand setting sensing alarm module 400 controls the audible and visual alarm outside the circulation tank 1 to alarm, so as to prompt the working state of the circulation tank 1 for the field personnel, thereby avoiding the field accident caused by the misoperation of the staff.
Example 17
Further, referring to fig. 8, another embodiment of the circulation tank of the present invention further includes: further comprises:
the rotary spray gun control module is configured to control the micro servo motor of the rotary spray gun head to drive the rotary spray gun head to rotate at an angle.
In the above embodiment, when the rotary spray gun 2 works, the rotary spray gun control module 500 drives the rotary spray gun 2 to rotate at an angle through the micro servo motor, so that the rotary spray head can spray and clean a plurality of areas. Further, the rotary spray gun 2 finely cleans the inside of the circulation tank 1.
Furthermore, when the sand setting cleaning module 200 cleans the circulation tank 1, the water inlet of the plurality of circulation tanks 1 may not be closed, and only the circulation tank outlet 10 may be closed after the circulation tank 1 is cleaned, so that the module units and the detection units of the control module may be reduced, and the water inlet of the circulation tank 1 is circulated, thereby realizing the above-mentioned scenario.
Example 18
Referring to fig. 9, a flowchart of an embodiment of a method for automatically cleaning a drilling fluid circulation tank according to an embodiment of the invention is shown, where the method includes:
101, monitoring the height of drilling cuttings accumulated at the bottom of a circulating tank by using a sand setting sensor;
201, acquiring a drilling cuttings height value monitored by a sand setting sensor, controlling an electric control valve at a discharge port of a circulation tank to be opened when the height value exceeds a first preset height, and starting a liquid supply pump to supply liquid to a rotary spray gun when the opening time of the electric control valve exceeds a time preset value;
301, continuously monitoring the height value of drilling cuttings monitored by a sand setting sensor, and closing a liquid supply pump and an electric control valve at the discharge port of a circulating tank when the height value of drilling cuttings is lower than a second preset height.
In the above embodiment, the control module is preset with three values, namely 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 sand setting cleaning module monitors that the drill cuttings exceed the first preset height, the sand setting cleaning module acquiring the signals of the sand setting sensing module controls the electric control valve at the discharge port of the circulation tank to be opened, the second preset height is a minimum height value set by the user, and the sand setting cleaning closing module closes the liquid supply pump and closes the electric control valve at the discharge port of the circulation tank when the drill cuttings are sensed to be lower than the second preset height. The time preset value is preset fixed time set by a user, and after the electric control valve is opened beyond the time preset value, the liquid supply pump is started. When the control module monitors that the height of drilling cuttings accumulated in the bottom of the circulating tank monitored by the sand setting sensor exceeds a first preset height, then the control module is triggered to control an electric control valve at the discharge port of the circulating tank to be opened, the opening of the electric control valve is used for discharging liquid in the circulating tank 1, a time preset value is set by a user, in actual use, the liquid in the circulating tank 1 needs to be emptied during the time preset value, and when the control system controls a liquid supply pump to clean scrap iron in the circulating tank 1 by using the rotary spray gun 2, when the sand setting sensor 3 monitors that the height of the scrap iron is smaller than a second preset height, the control module closes the liquid supply pump and closes the electric control valve at the discharge port of the circulating tank. The cleaning work is completed, the sand setting condition in the tank can be automatically sensed, an alarm prompt can be timely given, and the settlement can be timely found. The sand setting device can automatically flush the sand setting in the tank, does not need personnel to reenter the tank for cleaning, improves the cleaning efficiency, and eliminates the potential safety hazard.
Example 19
Referring to fig. 10, another embodiment of the automatic induction cleaning method for a drilling fluid circulation tank according to the present invention further includes:
401, acquiring a drilling cuttings height value monitored by a sand setting sensor, and starting an audible and visual alarm to alarm after the height value exceeds a preset first set height.
In the above embodiment, when the circulation tank 1 is in the cleaning state, an audible and visual alarm is adopted outside the circulation tank 1 to alarm, so as to prompt the on-site personnel to circulate the working state of the tank 1, thereby avoiding the on-site accident caused by misoperation of the personnel.
Example 20
Referring to fig. 11, another embodiment of the method for automatically cleaning a drilling fluid circulation tank according to the present invention further includes:
501, controlling a miniature servo motor of the rotary spray gun head to drive the rotary spray gun head to rotate at an angle.
In the above embodiment, when the rotary spray gun 2 works, the micro servo motor drives the gun head of the rotary spray gun 2 to rotate by an angle so that the rotary spray head can spray and clean a plurality of areas. Further, the rotary spray gun 2 finely cleans the inside of the circulation tank 1.
The drilling fluid circulation tank system, the drilling cuttings closed transmission system, the automatic feeding device of the drilling fluid circulation tank and the automatic induction cleaning method and system of the drilling fluid circulation tank are all general inventive concepts, wherein the drilling fluid circulation tank system is a total system, the drilling cuttings closed transmission system is a chip removal part used for chip removal in the total system, and the automatic induction cleaning method and system of the drilling fluid circulation tank are a circulation tank 1 part capable of being automatically cleaned in the total system. An automatic feeding device of a drilling fluid circulating tank is a feeding device for feeding a drilling fluid treating agent to a circulating tank in a drilling fluid circulating tank system.
Example 21
Attention is drawn to fig. 12 to 14, which show overall construction of a drill cuttings containment transport system of the present invention, comprising:
a cuttings containment transfer tube 4, the cuttings containment transfer tube 4 comprising:
a tube body;
an automatic shower 11;
the automatic sprayer 11 is arranged at the top end of the pipe body, and a water spray port of the automatic sprayer 11 faces to the outlet of the pipe body;
a liquid supply pump 16;
a vibrating screen 19;
the buried tank 18, the buried 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 positioned 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 adopting the drill cuttings closed conveying pipe 4, so as to overcome the adhesiveness 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 drill cuttings closed conveying pipe 4 to the outlet of the drill cuttings closed conveying pipe 4 and discharged;
the drill cuttings airtight conveying pipe 4 discharges all drill cuttings mixed with water or drilling fluid into the buried tank 18 and accumulates the drill cuttings in the buried tank 18, the vibrating screen 19 is responsible for screening the drilling fluid in the buried tank 18, the drill cuttings in the buried tank 18 are cleaned out, the drilling fluid mixed with the drill cuttings in the buried tank 18 is pumped to the inlet of the vibrating screen 19 by the liquid supply pump 16, the drilling fluid mixed with the drill cuttings is filtered and screened, the vibrating screen 19 can be arranged at the upper end of the buried tank 18 during field treatment, the drilling fluid in the buried tank 18 is subjected to circulation treatment, and the drilling fluid screened by the vibrating screen 19 can also be subjected to recirculation injection into the drilling well. The invention greatly improves the drill cuttings removing efficiency, reduces the sand removing labor intensity, eliminates the hidden trouble of environmental pollution, can closely collect the drill cuttings discharged by the solid control equipment and the circulating tank, does not cause environmental pollution, can automatically spray the cleaning liquid, and conveys the drill cuttings collected in the sealed conveying pipe into the buried tank through the cleaning liquid, thereby saving time and labor, recycling the cleaning liquid, and not increasing the water quantity in the whole process of collecting, cleaning and conveying the drill cuttings.
Example 22
Further, referring to fig. 12 and 13, in another embodiment of a drill cuttings airtight transmission system of the present invention, a circulation tank 1 is disposed outside the drill cuttings airtight transmission pipe 4, the drill cuttings airtight transmission pipe 4 is disposed at the bottom of the circulation tank 1, a circulation tank outlet of the circulation tank 1 is connected to a side wall of the drill cuttings airtight transmission pipe 4, and a solid control device 5 outlet of the circulation tank 1 is connected to a side wall of the drill cuttings airtight transmission pipe 4.
In the above embodiment, the drill cuttings closed conveying pipe 4 is disposed at the bottom of the circulation tank 1, so that the drill cuttings accumulated at the bottom of the circulation tank 1 can be collected, and the drill cuttings generated by the solid control device 5 in the circulation tank 1 can be collected, and the drill cuttings closed conveying pipe 4 can simultaneously receive the drill cuttings for a plurality of circulation tanks 1.
Example 23
Further, referring to fig. 12 and 13, another embodiment of a drill cuttings airtight conveying system according to 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, the liquid supply tank 17 is disposed at the inlet end of the drill cuttings airtight conveying pipe 4 for storing the drilling fluid filtered by the vibrating screen 19, and the liquid outlet of the vibrating screen 19 and the liquid supply tank 17 may be connected in a manner of conveying water flow generated by height drop.
Example 24
Further, referring to fig. 12 and 13, in another embodiment of the drill cuttings airtight conveying system of the present invention, a spray 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 spray 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 by pumping the drilling fluid screened by the vibrating screen 19 into the liquid supply tank 17.
Example 25
Further, in another embodiment of the drill cuttings containment system of the present invention, the buried tank 18 has a volume of 5m 3 -30m 3 。
The power of the liquid supply pump 16 is 1KW-40KW.
In the above embodiment, the buried tank 18 is required to temporarily store drilling fluid carrying cuttings, and therefore is not required to be large in volume nor small, 5m 3 -30m 3 Is more suitable.
The power of the liquid supply pump is matched with the volume of the buried tank 18, and then 1KW-40KW is suitable.
Example 26
Further, another embodiment of the drill cuttings containment transport system of the present invention further includes a control module, the control module including:
the drilling cuttings removal monitoring module is configured to monitor the height value of drilling cuttings accumulated in the bottom of the sand setting sensor tank and monitor chip removal signals of all solid control equipment in the circulating tank;
The cleaning equipment opening module is configured to acquire the drilling cuttings height value and the chip removal signal, and after the drilling cuttings height value exceeds a preset value and the chip removal signal is acquired, the spraying liquid supply pump, the vibrating screen and the liquid supply pump are started.
In the above embodiment, in order to enable the present invention to automatically sense and timely clean the drill cuttings in the circulation tank 1 to be cleaned, the control module further has the functions of automatic monitoring and cleaning generated by the two modules, namely, the drill cuttings cleaning monitoring module and the cleaning equipment opening module.
The task of the drilling cuttings removal monitoring module is to monitor whether signal information for removing drilling cuttings is needed in the circulation tank 1, and when the circulation tank 1 is monitored, the drilling cuttings height value can be detected, because after the drilling cuttings height value exceeds a preset value, under the control of the automatic induction cleaning device of the drilling fluid circulation tank, the drilling fluid can be discharged from the circulation tank 1 to clean and remove chips in the circulation tank 1, after the drilling cuttings removal monitoring module monitors the operation, the spraying fluid supply pump, the vibration sieve and the fluid supply pump can be timely controlled to remove the drilling cuttings on the drilling cuttings closed transmission pipe 4, and after the signal for removing the drilling cuttings by the solid control equipment 5 is detected, the drilling cuttings removal monitoring module can also timely control the spraying fluid supply pump, the vibration sieve and the fluid supply pump to remove the drilling cuttings on the drilling cuttings closed transmission pipe 4. According to the embodiment, the spraying liquid supply pump, the vibrating screen and the liquid supply pump can be started intelligently according to the situation of removing drill cuttings in the circulating tank 1 when necessary, so that energy sources can be saved, and equipment burden is reduced.
Example 27
Further, another embodiment of the drill cuttings containment system of the present invention further comprises:
the cleaning equipment closing module is configured to close the spraying liquid supply pump, the vibrating screen and the liquid supply pump after the preset time.
In the above embodiment, after the spray liquid supply pump, the vibrating screen and the liquid supply pump are started, the spray liquid supply pump, the vibrating screen and the liquid supply pump are required to be turned off in time after the drill cuttings are removed, so that the purposes of saving energy and reducing equipment load are achieved.
It should be noted first that, in the various embodiments of the present invention, the terms involved are:
the solid control equipment 5, the solid control equipment 5 belongs to the prior known technology, at present, the solid control equipment is mainly developed into equipment with small occupied area, high efficiency, long service life such as desanding, desilting, deaerator and the like, and is integrated with a high-speed centrifugal machine, so that the solid control system for automatic detection and control according to the detection result is realized.
Example 28
Referring to fig. 15 and 16, which are schematic views showing 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 is characterized by comprising:
gantry crane 22;
a loading bin 21;
the discharging bin door 20 is arranged at the bottom of the charging bin 21, and the discharging bin door 20 is used for discharging;
A slurry hopper 26;
the loading bin 21 is connected to the gantry crane 22, a slurry distribution funnel 26 for communicating with the drilling fluid circulation tank is arranged on a lifting path of the gantry crane 22, the slurry distribution funnel 26 is positioned at the bottom of the gantry crane 22, and when the gantry crane 22 lifts the loading bin 21 above the slurry distribution funnel 26, the discharging bin door 20 is opposite to a material receiving port of the slurry distribution funnel 26.
In the above embodiment, since the amount of drilling fluid required is large during drilling construction, a large amount of drilling fluid treatment agent needs to be stored in the loading bin 21, in this embodiment, the loading bin 21 is lifted by the gantry crane 22, the slurry distribution hopper 26 is provided below the gantry crane 22, when the drilling fluid treatment agent needs to be uniformly discharged into the slurry distribution hopper 26, the loading bin 21 can be lifted to the top of the slurry distribution hopper 26 by the gantry crane 22, the drilling fluid treatment agent can be uniformly discharged into the slurry distribution hopper 26 by the discharge bin door 20 to perform the operation of preparing the drilling fluid, and after the drilling fluid treatment agent in the loading bin 21 is used, the loading bin 21 can be transferred to the ground beside the slurry distribution hopper 26 by the gantry crane 22 to perform the operation of adding the drilling fluid treatment agent to the loading bin 21.
In specific implementation, the loading bin 21 is hoisted by using the gantry crane 22, then the slurry preparation funnel 26 is arranged at the right bottom of the loading bin 21, the loading bin 21 is transported to the space beside the slurry preparation funnel 26 by using the gantry crane 22 as shown in fig. 2 by connecting the slurry preparation funnel 26 with the circulation tank 1, the drilling fluid treatment agent is added into the loading bin 21, then the loading bin 21 is hoisted right above the slurry preparation funnel 26, the drilling fluid treatment agent is continuously and uniformly added to the slurry preparation funnel 26, and the slurry preparation funnel 26 is used for uniformly mixing the drilling fluid treatment agent and then transferring the mixture to the circulation tank 1.
An automatic feeding device of a drilling fluid circulating tank is a feeding device consisting of a slurry mixing funnel 8 and an automatic feeding device 9.
Example 29
Further, referring to fig. 15 and 16, in another embodiment of an automatic feeding device for a drilling fluid circulation tank according to an embodiment of the present invention, a pump and a one-way valve are disposed outside the slurry distribution funnel 26, the one-way valve is used for connecting the drilling fluid circulation tank, an outlet end of the pump is connected to the one-way valve, and an inlet end of the pump is connected to the bottom of the slurry distribution funnel 26.
In the above embodiment, the slurry distribution funnel 26 has a water filling port, the water filling port fills water into the slurry distribution funnel 26 to mix with the drilling fluid treatment agent, the mixed fluid is filled into the circulation tank 1 through the pump and the one-way valve, if the liquid level of the circulation tank 1 is higher than the top of the slurry distribution funnel 26, the one-way valve can be arranged between the circulation tank 1 and the pump to prevent the fluid in the circulation tank 1 from flowing back to the slurry distribution funnel 26 and overflowing.
Example 30
Further, referring to fig. 15 and 16, in another embodiment of an automatic feeding device for a drilling fluid circulation tank according to an embodiment of the present invention, a stirrer is disposed on the slurry mixing funnel 26, and a stirring end of the stirrer is located in the slurry mixing funnel 26.
In the above embodiment, in order to make the slurry of the drilling fluid treatment agent in the slurry preparation funnel 26 more uniform, a stirrer is provided on the slurry preparation funnel 26, and the drilling fluid treatment agent and water in the slurry preparation funnel 26 are stirred uniformly by using the stirrer, so that the performance of the prepared drilling fluid is more excellent.
Example 31
Further, referring to fig. 15 and 16, in another embodiment of an automatic feeding device for a drilling fluid circulation tank provided by an embodiment of the present invention, the discharging bin gate 20 is an electric feeding valve, an electric driving pump is disposed at the bottom of the slurry mixing hopper 26, and a feeding console 24 is disposed outside the gantry 22, for controlling the gantry and the electric feeding valve and the feeding console 24 of the electric driving pump are electrically connected with the electric feeding valve, the electric driving pump and the gantry 22, respectively.
In the above embodiment, the gantry crane 22, the discharging bin door 20 and the electrically driven pump are controlled by the feeding console 24, so that the automatic feeding device of the drilling fluid circulation tank is controlled more intelligently.
Example 32
Further, referring to fig. 15 and 16, in another embodiment of an automatic feeding device for a drilling fluid circulation tank according to an embodiment of the present invention, the feeding console 24 includes:
the portal frame control module is used for controlling a loading bin on the portal frame to move to the top of the slurry mixing hopper or to move the loading bin to the ground on one side of the slurry mixing hopper;
the injection bin door control module is used for controlling the unloading speed of the injection bin door;
and the electric drive pump control module is used for controlling the start and stop of the electric drive pump.
In the above embodiment, the charging control console 24 is respectively provided with the gantry control module for controlling the loading bin on the gantry to move to the top of the slurry preparation funnel or to move the loading bin to the ground on one side of the slurry preparation funnel, and the injection bin door control module for controlling the discharging speed of the injection bin door, and the electric drive pump control module for controlling the start and stop of the electric drive pump, so that the operation is more convenient when the operator performs the control operation.
Example 33
Further, in another embodiment of the automatic feeding device for drilling fluid circulation tank provided by the embodiment of the invention, the circulation tank 1 is further provided outside the slurry distribution funnel 26, the bottom of the slurry distribution funnel 26 is communicated with the bottom of the circulation tank 1, and the height of the top of the slurry distribution funnel 26 is not lower than the liquid level of the 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 set, 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 flowing back to the slurry distribution funnel 26.
Example 34
Further, in another embodiment of the automatic feeding device for a drilling fluid circulation tank provided by the embodiment of the invention, a treating agent suction pipeline 25 is arranged at the bottom of the slurry distribution funnel 26, and one end of the treating agent suction pipeline 25 for connecting the slurry distribution funnel and the circulation tank is connected with the bottom of the slurry distribution funnel 26, and the other end is connected with the pump.
In the above embodiment, the treating agent suction line 25 is used to connect the circulation tank 1, and the drilling fluid dispensed in the slurry hopper 26 is pumped into the circulation tank 1 by a pump.
Example 35
Further, in another embodiment of the automatic feeding device for a drilling fluid circulation tank provided by the embodiment of the invention, the capacity of the loading bin 21 is 1m 3 -10m 3 。
In the above embodiment, the capacity of the loading bin 21 is designed to be 1m 3 -10m 3 ；
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-100kg/min.
In the above embodiment, the capacity of the loading bin 21 is designed to be 1m 3 -10m 3 The unloading speed of the unloading bin gate 20 is 100g/min-100kg/min, so that the requirement of drilling on drilling fluid can be effectively met.
The gantry crane 22 is connected with the loading 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 this embodiment are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
Furthermore, the description of "first," "second," etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
The technical solutions between the embodiments may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art that when the combination of technical solutions contradicts or cannot be implemented, it should be considered that the combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention.
Claims (9)
1. A drilling fluid circulation tank system, comprising:
a circulation tank, the circulation tank comprising: the device comprises a tank body, a rotary spray gun, a sand setting sensor, solid control equipment, a liquid supply pump, an electric control valve and a control module; the tank body is provided with solid control equipment, the rotary spray gun is arranged at the top end of the tank body, and the sand setting sensor for detecting the height of settled drilling cuttings in the circulating tank is arranged at the lower side of the tank body; a liquid supply pump, which supplies the injection liquid for the rotary injection gun; the electric control valve is used for opening and closing a circulating tank outlet at the lower end of the tank body; the liquid supply pump is connected with the rotary spray gun, and the control module is respectively connected with the electric control valve, the liquid supply pump and the sand setting sensor in an electric signal manner; the bottom of the tank body is provided with a circulating tank outlet and a tank bottom inclined plane with a strong water repellency, the height of the tank bottom inclined plane with the strong water repellency gradually decreases from one end of the tank bottom to the other end, and the circulating tank outlet is positioned at one end with the low height of the tank bottom inclined plane with the strong water repellency; the coating of the tank bottom inclined surface of the high water repellency inclined surface is polytetrafluoroethylene, and the inclination angle of the tank bottom inclined surface of the high water repellency inclined surface is 5-30 degrees;
The system further comprises:
a slurry pump absorption pipeline, a slurry distribution suction pipeline and a drilling cuttings airtight transmission pipe;
the plurality of circulating tanks are sequentially communicated with each other from front to back at the top;
the drill cuttings closed conveying pipe is positioned outside the circulating tanks and is respectively connected with the bottoms of the circulating tanks and the solid control equipment of the circulating tanks; the slurry pump absorption pipeline for pumping the drilling fluid in the circulating tank to the oil well is respectively connected with each circulating tank through a valve, the connection port of the slurry pump absorption pipeline and the circulating tank is higher than the sand setting inductor, and the slurry mixing suction pipeline for adding the treating agent to the circulating tank is respectively communicated with each circulating tank;
the automatic sprayer is arranged at the top of the pipe of the drill cuttings airtight transmission pipe, and the sprayer is arranged in the airtight transmission pipe, so that drill cuttings can be effectively conveyed to a target place;
the control module includes:
a sand setting sensing module configured to monitor a height of cuttings accumulated in the bottom of the circulation tank using a sand setting sensor;
the sand setting cleaning module is configured to acquire the height value of drilling cuttings monitored by the sand setting sensor, control an electric control valve at the discharge port of the circulating 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;
The sand setting cleaning closing module is configured to continuously monitor the height value of the drilling cuttings monitored by the sand setting sensor, and close the liquid supply pump and close the electric control valve at the discharge port of the circulating tank when the height value of the drilling cuttings is lower than a second preset height.
2. The drilling fluid circulation tank system of claim 1, wherein an audible and visual alarm is arranged outside the sand setting sensor, and the audible and visual alarm is electrically connected with the sand setting sensor through the control module.
3. A drilling fluid circulation tank system according to claim 2, wherein the sand setting sensor is a photoelectric sensor, an ultrasonic sensor, an infrared light sensor and/or a laser sensor.
4. The drilling fluid circulation tank system of claim 1, wherein said rotary jetting tool comprises a rotary jetting tool, a feed pipe, a gear drive, and a servo motor, said rotary jetting tool being rotatably coupled to the end of the feed pipe, and said servo motor being drivingly coupled to the rotary jetting tool via said gear drive.
5. The drilling fluid circulation tank system of claim 1, further comprising:
the sand setting sensing alarm module is configured to acquire the height value of drilling cuttings monitored by the sand setting sensor, and starts an audible and visual alarm to alarm after the height value exceeds a first preset height.
6. The drilling fluid circulation tank system of claim 1, further comprising:
the rotary spray gun control module is configured to control the micro servo motor of the rotary spray gun head to drive the rotary spray gun head to rotate at an angle.
7. A method for automatic induction cleaning of a drilling fluid circulation tank for use in a circulation tank as claimed in any one of claims 1 to 6, comprising:
monitoring the height of drilling cuttings accumulated at the bottom of the circulating tank by using a sand setting sensor;
an electric control valve at the outlet is opened, and a liquid supply pump is started to supply liquid to the rotary spray gun after the opening time of the electric control valve exceeds a time preset value;
and continuously monitoring the height value of the drilling cuttings monitored by the sand setting sensor, and closing the liquid supply pump and the electric control valve at the discharge port of the circulating tank when the height value of the drilling cuttings is lower than a second preset height.
8. The method of automatic induction cleaning of a drilling fluid circulation tank of claim 7, further comprising: and acquiring the height value of the drilling cuttings monitored by the sand setting sensor, and starting an audible and visual alarm to alarm after the height value exceeds a first preset height.
9. The method of automatic induction cleaning of a drilling fluid circulation tank of claim 7, further comprising: and controlling the miniature servo motor of the rotary spray gun head to drive the rotary spray gun head to rotate at an angle.
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| CN211115863U (en) * | 2019-10-16 | 2020-07-28 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Circulation tank |
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