A device for cooling the surface of high-temperature oil-based drilling fluid

Abstract

The present invention provides a device for ground cooling treatment of high-temperature oil-based drilling fluid, comprising a support base and a support frame arranged on the support base, the support frame comprising two vertical plates arranged opposite to each other, an upper plate and a lower plate arranged in layers between the two vertical plates, a junction box is arranged at the lower end and one side of the upper plate, a water inlet pipe is arranged at one side of the junction box, a condenser is connected to one side of the junction box, a diversion box is arranged at the upper end of the lower plate, a connecting pipe is arranged between the diversion box and the condenser, and a water pump is installed on the connecting pipe, a water spray head is evenly arranged at the lower end of the diversion box, a cooling box is arranged at the upper end of the support base and the lower part of the diversion box, and a high-temperature oil inlet is arranged inside and on one side of the cooling box. The advantages of the present invention are: cooling is achieved by showering in the upper cooling cavity and soaking in the coolant in the lower cooling cavity, and the filtered high-temperature oil-based drilling fluid is diverted through multiple diversion pipes, and the cooling effect is good.

Description

Technical Field

[0001] The invention relates to the field of drilling, and in particular to a device for ground cooling treatment of high-temperature oil-based drilling fluid. Background Art

[0002] In geological work, a cylindrical circular hole with a small diameter and a large depth is drilled underground using drilling equipment. It is also called a borehole. The diameter and depth of the borehole depend on the purpose of the drilling and the burial depth of the mineral. The diameter of the borehole for drilling oil, natural gas and groundwater is relatively large. The main functions are: ① Obtaining underground physical data, that is, taking cores, ore cores, cuttings, liquid samples, gas samples, etc. from the borehole. ② As a geophysical logging channel, obtain data on various geophysical fields of rock and mineral layers. ③ As an artificial channel to observe the hydrogeological dynamics of the groundwater layer. ④ Used as a combination of exploration and mining to develop groundwater, oil and gas, geothermal, etc.

[0003] Drilling fluid is needed when drilling, but the drilling fluid will have impurities due to the working environment after drilling, and the temperature will also rise. In order to be able to recycle and reuse, it is necessary to filter out impurities and cool down the recovery. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, the present invention provides a device for ground cooling treatment of high-temperature oil-based drilling fluid, which has a simple structure, is easy to operate, has a good recovery effect, and is easy to promote.

[0005] In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is:

[0006] The cooling device of the present invention is a kind of cooling device for cooling the ground of high-temperature oil-based drilling fluid, comprising a supporting base and a supporting frame arranged on the supporting base, the supporting frame comprising two vertical plates arranged opposite to each other, an upper plate and a lower plate arranged in layers between the two vertical plates, a junction box is arranged at the lower end and one side of the upper plate, a water inlet pipe is arranged at one side of the junction box, a condenser is connected to one side of the junction box, a shunt box is arranged at the upper end of the lower plate, a connecting pipe is arranged between the shunt box and the condenser, and a water pump is installed on the connecting pipe, a water spray head is evenly arranged at the lower end of the shunt box, a cooling box is arranged at the upper end of the supporting base and the lower part of the shunt box, a high-temperature oil inlet bin is arranged inside and on one side of the cooling box, a liquid inlet pipe is connected to the high-temperature oil inlet bin, and a partition is arranged inside the cooling box to separate the cooling box into an upper cooling chamber and a lower cooling chamber. A cooling chamber, the upper part of the high-temperature oil inlet bin is connected to a shunt box and the shunt box is evenly connected with a shunt pipe, the shunt pipe is arranged in the upper cooling chamber and passes through the partition to extend into the lower cooling chamber, the end of the shunt pipe away from the shunt box is connected with a junction box, a side of the lower cooling chamber is provided with a return pipe 1 connected to the water inlet pipe, the return pipe 1 is connected with a return pipe 2 and extends to the bottom of the upper cooling chamber, a recovery box is provided at the upper end of the support base, a liquid pump is connected to the junction box through a pipe body, and the output end of the liquid pump is connected to a feed pipe, the outlet of the feed pipe is arranged at the upper end of the recovery box, a filter cartridge is provided in the recovery box, a motor is provided at the lower end of the lower plate to connect and rotate with the filter cartridge, a liquid outlet pipe is provided at the bottom of the recovery box, and the water outlet of the water pump is connected with a pipe to communicate with the lower cooling chamber.

[0007] As an improvement, the upper portion of the partition is in a groove shape.

[0008] As an improvement, the filter cartridge comprises an arched filter plate and an outer cylinder body arranged on the side of the arched filter plate, and a connecting shaft is provided between the arched filter plate and the motor.

[0009] As an improvement, slag discharge pipes are provided on the side and bottom of the high-temperature oil inlet bin.

[0010] As an improvement, a heat dissipation fan is provided on the upper part of the combiner box.

[0011] As an improvement, a filter plate is provided on the upper drawer for the high-temperature oil inlet.

[0012] The feed pipe (27) is rotatably arranged.

[0013] The beneficial effects of the present invention are:

[0014] The invention has a simple structure and is easy to use. The cooling box is divided into an upper cooling chamber and a lower cooling chamber structure, and a high-temperature oil inlet is arranged inside the cooling box, which can be cooled after filtering. The cooling is achieved through showering in the upper cooling chamber and soaking in the coolant in the lower cooling chamber, and the filtered high-temperature oil-based drilling fluid is diverted through multiple diversion pipes, so the cooling effect is good. At the same time, the coolant can be recycled and reused, which can greatly save the use of the coolant. The coolant can be filtered twice in the recovery box, and the holes on the arched filter plate can be prevented from being blocked by the action of centrifugal force. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention;

[0016] Figure 2 It is an enlarged schematic diagram of the shunt pipe structure of the present invention. DETAILED DESCRIPTION

[0017] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. The same components are represented by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0018] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] like Figure 1-2As shown, a device for cooling the ground of high-temperature oil-based drilling fluid comprises a support base 1 and a support frame 2 arranged on the support base 1, wherein the support frame 2 comprises two vertical plates 3 arranged opposite to each other, an upper plate 4 and a lower plate 5 are arranged in layers between the two vertical plates 3, a junction box 6 is arranged at the lower end and one side of the upper plate 4, a water inlet pipe 7 is arranged at one side of the junction box 6, a condenser 8 is connected to one side of the junction box 6, a diverter box 9 is arranged at the upper end of the lower plate 5, and the diverter box A connecting pipe 10 is provided between the condenser 9 and the condenser 8, and a water pump 11 is installed on the connecting pipe 10. A water spray head 12 is evenly provided at the lower end of the diverter box 9. A cooling box 13 is provided at the upper end of the support base 1 and the lower part of the diverter box 9. A high-temperature oil inlet 14 is provided inside and on one side of the cooling box 13. A liquid inlet pipe 15 is connected to the high-temperature oil inlet 14. A partition 16 is provided inside the cooling box 13 to separate the cooling box 13 into an upper cooling chamber 17 and a lower cooling chamber 18. The high-temperature oil The upper part of the inlet 14 is connected to a shunt box 19 and the shunt box 19 is evenly connected to a shunt pipe 20, the shunt pipe 20 is arranged in the upper cooling chamber 17 and penetrates through the partition 16 to penetrate into the lower cooling chamber 18, the end of the shunt pipe 20 away from the shunt box 19 is connected to a junction box 21, the side of the lower cooling chamber 18 is provided with a return pipe 1 22 connected to the water inlet pipe 7, the return pipe 1 22 is connected to the return pipe 2 23 and penetrates into the bottom of the upper cooling chamber 17, the support bottom A recovery box 24 is provided at the upper end of the seat 1, a liquid pump 26 is connected to the junction box 21 through a tube body 25, and a feed pipe 27 is connected to the output end of the liquid pump 26, and the outlet of the feed pipe 27 is arranged at the upper end of the recovery box 24, a filter cartridge 29 is provided in the recovery box 24, a motor 28 is provided at the lower end of the lower plate 5 and is connected to the filter cartridge 29 for rotation, a liquid outlet pipe 30 is provided at the bottom of the recovery box 24, and the water outlet of the water pump 11 is connected to a pipe 31 and communicates with the lower cooling chamber 18.

[0020] The cooling medium used for ground cooling treatment of high-temperature oil-based drilling fluid comprises the following components in parts by weight: 100 parts of ethylene glycol, 0.5-0.7 parts of triethylene glycol bridged cyclodextrin, 0.8-1.0 parts of copper nanoparticles, 0.25-1.0 parts of sodium dodecylbenzene sulfonate and 40-45 parts of water.

[0021] The cooling medium enters the junction box 6 through the water inlet pipe 7 and then enters the condenser 8 for cooling. The cooled coolant (cooling medium) is injected into the lower cooling chamber 18 under the action of the water pump 11, and then the valve on the pipe 31 is closed, and the high-temperature oil-based drilling fluid enters through the liquid inlet pipe 15, and then water is injected into the diversion box 9 through the water pump 11. After being sprayed and cooled by the water sprinkler 12, the coolant in the lower cooling chamber 18 is cooled and then enters the recovery box 24 for secondary filtration and then recycled through the liquid outlet pipe 30. The coolant is recycled and reused by the pump set on the reflux pipe 22.

[0022] The upper portion of the partition 16 is in a groove shape, which can completely recover the coolant.

[0023] The filter cartridge 29 includes an arched filter plate 32 and an outer cylinder 33 arranged on the side of the arched filter plate 32. A connecting shaft 34 is provided between the arched filter plate 32 and the motor 28. After the connecting shaft 34 is removed, the filter cartridge 29 can be taken out to pour out the impurities.

[0024] A slag discharge pipe 35 is provided on the side and bottom of the high-temperature oil inlet bin 14 to discharge the impurities filtered out initially.

[0025] A cooling fan 36 is disposed on the upper portion of the combiner box 6 to initially dissipate heat, thereby reducing the cooling burden of the condenser 8 .

[0026] The upper part of the high-temperature oil inlet bin 14 is provided with a filter plate 37, which is drawable for easy replacement. A sealing structure is provided on the filter plate 37 to prevent leakage.

[0027] The feed pipe 27 is rotatable and can be rotated at different angles to facilitate taking out the filter cartridge 29 .

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A device for cooling the surface of high-temperature oil-based drilling fluid, comprising a support base (1) and a support frame (2) arranged on the support base (1), characterized in that: The support frame (2) comprises two vertical plates (3) arranged opposite to each other, an upper plate (4) and a lower plate (5) are arranged in layers between the two vertical plates (3), a junction box (6) is arranged at the lower end and one side of the upper plate (4), a water inlet pipe (7) is arranged at one side of the junction box (6), a condenser (8) is connected to one side of the junction box (6), a diverter box (9) is arranged at the upper end of the lower plate (5), a connecting pipe (10) is arranged between the diverter box (9) and the condenser (8), and a water pump (11) is installed on the connecting pipe (10), and the diverter box (9) is provided with a water pump (11) to pump water to the condenser (8). The lower end of the box (9) is evenly provided with a water spray head (12); the upper end of the support base (1) and the lower part of the diverter box (9) are provided with a cooling box (13); the interior and one side of the cooling box (13) are provided with a high-temperature oil inlet bin (14); the high-temperature oil inlet bin (14) is connected with a liquid inlet pipe (15); the interior of the cooling box (13) is provided with a partition (16) to separate the cooling box (13) into an upper cooling chamber (17) and a lower cooling chamber (18); the upper part of the high-temperature oil inlet bin (14) is connected with a diverter box (19); and the diverter box (19) is provided with a liquid inlet pipe (15). A shunt pipe (20) is evenly connected, the shunt pipe (20) is arranged in the upper cooling cavity (17) and passes through the partition (16) to penetrate into the lower cooling cavity (18), one end of the shunt pipe (20) away from the shunt box (19) is connected to a junction box (21), a side of the lower cooling cavity (18) is provided with a return pipe 1 (22) connected to the water inlet pipe (7), the return pipe 1 (22) is connected to a return pipe 2 (23) and penetrates into the bottom of the upper cooling cavity (17), and a recovery box (24) is provided at the upper end of the support base (1). The junction box (21) is connected to a liquid pump (26) through a tube body (25), and the output end of the liquid pump (26) is connected to a feed pipe (27), the outlet of the feed pipe (27) is arranged at the upper end of the recovery box (24), a filter cartridge (29) is arranged in the recovery box (24), a motor (28) is arranged at the lower end of the lower plate (5) and is connected to the filter cartridge (29) for rotation, a liquid outlet pipe (30) is arranged at the bottom of the recovery box (24), and the water outlet of the water pump (11) is connected to a pipe (31) and communicates with the lower cooling chamber (18).

2. The device for cooling the surface of high-temperature oil-based drilling fluid according to claim 1, characterized in that: The upper portion of the partition (16) is in a groove shape.

3. The device for cooling the surface of high-temperature oil-based drilling fluid according to claim 1, characterized in that: The filter cartridge (29) comprises an arched filter plate (32) and an outer cylinder body (33) arranged on the side of the arched filter plate (32); a connecting shaft (34) is provided between the arched filter plate (32) and the motor (28).

4. The device for cooling the surface of high-temperature oil-based drilling fluid according to claim 1, characterized in that: A slag discharge pipe (35) is provided on the side and bottom of the high-temperature oil inlet bin (14).

5. The device for cooling the surface of high-temperature oil-based drilling fluid according to claim 1, characterized in that: A heat dissipation fan (36) is provided on the upper part of the combiner box (6).

6. The device for cooling the surface of high-temperature oil-based drilling fluid according to claim 4, characterized in that: The upper part of the high-temperature oil inlet bin (14) is provided with a filter plate (37).

7. The device for cooling the surface of high-temperature oil-based drilling fluid according to claim 1, characterized in that: The feed pipe (27) is rotatably arranged.

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