CN111810067A - Drilling fluid cooling system - Google Patents
Drilling fluid cooling system Download PDFInfo
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- CN111810067A CN111810067A CN202010629091.0A CN202010629091A CN111810067A CN 111810067 A CN111810067 A CN 111810067A CN 202010629091 A CN202010629091 A CN 202010629091A CN 111810067 A CN111810067 A CN 111810067A
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- cooling
- drilling fluid
- heat exchange
- valve
- cooling device
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- 238000001816 cooling Methods 0.000 title claims abstract description 150
- 238000005553 drilling Methods 0.000 title claims abstract description 121
- 239000012530 fluid Substances 0.000 title claims abstract description 113
- 239000011229 interlayer Substances 0.000 claims abstract description 43
- 239000000110 cooling liquid Substances 0.000 claims abstract description 29
- 238000009826 distribution Methods 0.000 claims abstract description 18
- 230000009467 reduction Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000012809 cooling fluid Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 17
- 239000002699 waste material Substances 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- 239000003345 natural gas Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
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- 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
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- 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
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- 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
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
Abstract
The invention relates to the technical field of oil and natural gas drilling, in particular to a drilling fluid cooling system, which comprises a wellhead overflow pipe connected with a wellhead, a flow distribution box connected with the wellhead overflow pipe, a vibrating screen connected with the flow distribution box and a mud tank connected with the vibrating screen, wherein a heat exchange interlayer is sleeved on the outer wall of the wellhead overflow pipe and/or the flow distribution box, a fan is sleeved on the vibrating screen, and the mud tank is connected with a cooling device; the heat exchange interlayer is used for cooling drilling fluid in a wellhead overflow pipe and/or a flow distribution box, the fan is used for cooling the drilling fluid in the vibrating screen, and the cooling device is used for cooling the drilling fluid in the mud tank and circularly injecting cooling liquid into the heat exchange interlayer. The invention cools the drilling fluid to the safe temperature before entering the purification treatment equipment, and uniformly cools the high-temperature liquid by using the same cooling device, thereby being beneficial to uniformly controlling the flow of each pipeline, avoiding waste and misoperation and reducing the production cost.
Description
Technical Field
The invention relates to the technical field of oil and gas drilling, in particular to a drilling fluid cooling system.
Background
With the increase of energy demand and the development of petroleum drilling technology, deep wells, ultra-deep wells and high-temperature and high-pressure wells become important development directions of the drilling industry; in the process of drilling deep wells and ultra-deep wells, the temperature gradient of every 100m is about 3 ℃, taking 6000-dose 7000m well depth as an example, the bottom temperature can reach 180-dose 210 ℃ or higher, and when the well depth exceeds 10000m, the bottom temperature is above 300 ℃. The drilling fluid can be degraded at high temperature, crosslinked at high temperature, desorbed at high temperature and the like when the temperature of the stratum rises, if the drilling fluid is not cooled in time, the performance of the drilling fluid and the service life of downhole tools are seriously influenced, even well accidents are caused, and the safety of drilling operation and personnel safety are threatened.
At present, drilling fluid cooling equipment is generally arranged after drilling fluid purification treatment (screening, degassing, desanding and desilting), namely the drilling fluid purification equipment needs to treat high-temperature drilling fluid which is just returned from a wellhead, the high-temperature drilling fluid can generate adverse effects on the service life of the drilling fluid purification equipment and can also cause safety threats to operators; therefore, there is a need for a cooling system that is installed before the drilling fluid purification equipment to cool the drilling fluid to a safe temperature before the drilling fluid enters the purification equipment, so as to ensure the service life of the purification equipment and the operation safety of the operators.
Disclosure of Invention
The invention provides a drilling fluid cooling system aiming at the technical defect that the existing drilling fluid cooling equipment is arranged behind drilling fluid purification treatment equipment and cannot solve the problem that high-temperature drilling fluid has adverse effects on the service life of the purification equipment and the operation safety of operators. The invention is arranged at the front end of the drilling fluid purification treatment equipment, and the effect of rapidly cooling the drilling fluid is achieved through four-stage cooling, so that the drilling fluid is cooled to a safe temperature before entering the purification treatment equipment; the invention can prolong the service life of the purifying equipment and improve the operation safety of operators.
In order to achieve the above purpose, the invention provides the following technical scheme:
a drilling fluid cooling system comprises a wellhead overflow pipe connected with a wellhead, a flow distribution box connected with the wellhead overflow pipe, a vibrating screen connected with the flow distribution box and a mud tank connected with the vibrating screen, wherein a heat exchange interlayer is sleeved on the outer wall of the wellhead overflow pipe and/or the flow distribution box, a fan is matched with the vibrating screen, and the mud tank is connected with a cooling device; the heat exchange interlayer is used for cooling the drilling fluid in the wellhead overflow pipe and/or the shunt box, the fan is used for cooling the drilling fluid in the vibrating screen, and the cooling device is used for cooling the drilling fluid in the mud tank and circularly injecting cooling liquid into the heat exchange interlayer.
The conventional well head generally adopts a well head overflow pipe-flow distribution box-vibrating screen-mud tank equipment connection mode for drilling fluid returning from the well bottom, aiming at the common well head connection mode, the invention has wide application range, namely, the drilling fluid enters a three-stage or four-stage cooling flow from the overflow of the drilling fluid from the well head, when the outer walls of the well head overflow pipe or the flow distribution box are both sleeved with heat exchange interlayers, the three-stage cooling is realized, and when the outer walls of the well head overflow pipe and the flow distribution box are both sleeved with heat exchange interlayers, the four-stage cooling is realized.
Taking four-stage cooling as an example, first-stage cooling: a heat exchange interlayer sleeved on the outer wall of the wellhead overflow pipe takes away heat of high-temperature drilling fluid in the wellhead overflow pipe through a heat exchange principle, so that primary cooling is realized; secondary cooling: the heat exchange interlayer II sleeved on the outer wall of the flow distribution box takes away the heat of the high-temperature drilling fluid in the flow distribution box through the heat exchange principle, so that secondary cooling is realized; and (3) tertiary cooling: blowing air to the screen surface of the vibrating screen by using a fan to take away the heat of the high-temperature drilling fluid on the screen surface, thereby realizing three-stage cooling; four-stage cooling: the cooling device takes away the heat of the drilling fluid in the mud tank to realize four-stage cooling.
The primary cooling and the secondary cooling are arranged at the front end of the drilling fluid purification treatment equipment (vibrating screen), so that the drilling fluid is cooled to a safe temperature before entering the purification treatment equipment, and the service lives of the vibrating screen, a mud tank and other drilling fluid treatment equipment and the operation safety of operators are facilitated; and meanwhile, the drilling fluid is further cooled through three-stage cooling and four-stage cooling, so that the subsequent treatment efficiency and the cyclic utilization effect of the drilling fluid are facilitated.
Preferably, the cooling device comprises a cooling unit and a heat exchanger, wherein the cooling unit is used for reducing the temperature of the cooling liquid and circularly conveying the cooled cooling liquid to the heat exchange interlayer and the heat exchanger.
The cooling unit and the heat exchanger are integrated into a whole by the cooling device, so that the transportation, loading, unloading and maintenance are facilitated, and the production efficiency is improved; the cooling unit is used for cooling the returned cooling liquid and outputting the cooled cooling liquid, so that the effects of circularly cooling the heat exchange interlayer and the heat exchanger are achieved; the heat exchanger is connected with the mud tank, and the circulating cooling liquid in the cooling unit is used for cooling the high-temperature drilling fluid in the mud tank, so that the cooling effect is further improved.
Preferably, the inlet end and the outlet end of the cooling unit are respectively provided with a first valve and a second valve, and the first valve and the second valve are both used for communicating or cutting off the pipeline of the cooling device connected with the heat exchange interlayer.
The temperature of the drilling fluid is different due to the difference between the well depth and the bottom hole pressure, if the temperature of the drilling fluid is high and the drilling fluid needs to be cooled by using the heat exchange interlayer, the first valve and the second valve are opened, and the first valve and the second valve are communicated with a pipeline of the cooling unit flowing to the heat exchange interlayer; if the temperature of the drilling fluid is low, the drilling fluid does not need to be cooled by using the heat exchange interlayer, the first valve and the second valve are closed, and the pipeline of the cooling unit flowing to the heat exchange interlayer is cut off; avoid waste and reduce cost.
Preferably, the mud tank is provided with a third valve, and the third valve is used for regulating the flow of the drilling fluid flowing from the cooling device to the mud tank.
If the drilling fluid in the mud tank is high in temperature and needs to be cooled, opening a third valve to communicate the mud tank with a pipeline flowing to the cooling device; if the drilling fluid in the mud tank is low in temperature and does not need to be cooled, closing the third valve and cutting off a pipeline of the mud tank flowing to the cooling device; avoid waste and reduce cost.
Preferably, the bottom of the diversion box is connected with an auxiliary cooling pipe, the other end of the auxiliary cooling pipe is connected with the cooling device, and the auxiliary cooling pipe is used for injecting cooled drilling fluid into the diversion box so as to reduce the temperature of the drilling fluid in the diversion box.
When the cooling speed needs to be increased, the auxiliary cooling pipe can play a certain auxiliary cooling role; one end of the auxiliary cooling pipe is connected with the shunt box, the other end of the auxiliary cooling pipe is connected with the cooling device, the drilling fluid cooled in the cooling device is injected into the shunt box and is mixed with the high-temperature drilling fluid in the shunt box, and the effect of reducing the temperature of the drilling fluid is achieved
Preferably, the auxiliary cooling pipeline is provided with a valve IV, and the valve IV is used for regulating the flow of the drilling fluid flowing from the cooling device to the flow dividing box.
The low-temperature drilling fluid cooled by the cooling device flows to the mud tank and the shunt box through a valve III and a valve IV respectively, if the flow of the low-temperature drilling fluid required by the shunt box is increased, the valve III is adjusted to be small, the low-temperature drilling fluid injected into the mud tank is reduced, and meanwhile, the valve IV is adjusted to be large in a matched manner, so that the flow of the low-temperature drilling fluid flowing to the shunt box is increased; if the low-temperature drilling fluid flow required by the flow dividing box is reduced, the third valve is adjusted to be larger, the low-temperature drilling fluid flow injected into the mud tank is increased, and the fourth valve is adjusted to be smaller in a matched mode, so that the low-temperature drilling fluid flow flowing to the flow dividing box is reduced, waste is avoided, and cost is reduced.
Preferably, the cooling liquid is injected from the bottom of the heat exchange interlayer, returns from the top of the heat exchange interlayer and flows back to the cooling device.
The cooling liquid is injected from the bottom of the heat exchange interlayer, flows upwards to the top of the heat exchange interlayer and then returns to the cooling device; due to the action of gravity, the upward flowing speed of the cooling liquid is low and stable, the flowing form is stable, the cooling liquid is in comprehensive contact with the outer wall of the corresponding equipment, and the cooling effect is good; if the cooling liquid is injected from the top of the heat exchange interlayer, the cooling liquid can flow downwards quickly under the action of gravity, the contact area with the outer wall of the corresponding equipment is small, the heat exchange time is insufficient, and the cooling effect is poor.
Preferably, the cooling liquid is water or a condensing agent.
The use cost of water is low, and when the temperature of the drilling fluid is low or the requirement on the cooling rate is low, water can be used as a cooling liquid; when the temperature of the drilling fluid is higher or the requirement on the cooling rate is higher, a condensing agent can be used as the cooling fluid, so that the cooling efficiency is improved, the service life of the drilling fluid purifying equipment is prolonged, and the safety of operators is ensured.
The invention has the beneficial effects that:
the primary cooling and the secondary cooling are arranged at the front end of the drilling fluid purification treatment equipment (vibrating screen), so that the drilling fluid is cooled to a safe temperature before entering the purification treatment equipment, and the service lives of the vibrating screen and a mud tank and the operation safety of operators are facilitated; meanwhile, the drilling fluid is further cooled through three-stage cooling and four-stage cooling, so that the subsequent treatment efficiency and the recycling effect of the drilling fluid are facilitated; the same cooling device is used for uniformly cooling the high-temperature liquid, the valve is arranged for controlling the flow of the cooling liquid and the low-temperature drilling liquid, the treatment efficiency is improved, the uniform control of the flow of each pipeline is facilitated, the waste and the misoperation are avoided, and the production cost is reduced.
Description of the drawings:
fig. 1 is a schematic structural diagram of a drilling fluid cooling system in embodiment 1.
Fig. 2 is a schematic structural view of a cooling apparatus in embodiment 1.
Fig. 3 is a schematic structural diagram of a drilling fluid cooling system in embodiment 2.
Fig. 4 is a schematic structural diagram of a drilling fluid cooling system in embodiment 3.
Wherein the reference numerals are:
1-wellhead overflow pipe, 11-heat exchange interlayer, 2-shunt box, 21-auxiliary cooling pipe, 22-valve four, 3-vibrating screen, 31-fan, 4-mud tank, 41-valve three, 5-cooling device, 51-cooling liquid, 52-cooling unit, 521-valve one, 522-valve two, 53-radiator, 54-valve five, 55-pump two, 56-heat exchanger, 6-pump one, and 7-horn mouth.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1, a drilling fluid cooling system comprises a wellhead overflow pipe 1 connected with a wellhead 7, a diversion box 2 connected with the wellhead overflow pipe 1, a vibrating screen 3 connected with the diversion box 2 and a mud tank 4 connected with the vibrating screen 3, wherein heat exchange interlayers 11 are respectively arranged on the outer wall sleeves of the wellhead overflow pipe 1 and the diversion box 2, the vibrating screen is matched with a fan 31, and the mud tank 4 is connected with a cooling device 5; the heat exchange interlayer 11 is used for cooling drilling fluid in the wellhead overflow pipe 1 and the diversion box 2, the fan 31 is used for cooling drilling fluid in the vibrating screen 3, and the cooling device 5 is used for cooling drilling fluid in the mud tank 4 and circularly injecting cooling liquid 51 into the heat exchange interlayer 11.
The mud tank 4 is provided with a valve three 41, and the valve three 41 is used for regulating the flow of the drilling fluid flowing from the cooling device 5 to the mud tank 4.
The bottom of the shunt box 2 is connected with an auxiliary cooling pipe 21, and the other end of the auxiliary cooling pipe 21 is connected with a cooling device 5 which is used for injecting cooled drilling fluid into the shunt box 2 so as to reduce the temperature of the drilling fluid in the shunt box 2; the auxiliary cooling line 21 is provided with a valve four 22, and the valve four 22 is used for regulating the flow of the drilling fluid flowing from the cooling device 5 to the flow dividing box 2.
As shown in fig. 2, the cooling device 5 includes a temperature reduction unit 52 and a heat exchanger 56, where the temperature reduction unit 52 is configured to reduce the temperature of the cooling liquid 51, and circularly deliver the cooled cooling liquid 51 to the heat exchange interlayer 11 and the heat exchanger 56; the inlet end and the outlet end of the cooling unit 52 are respectively provided with a first valve 521 and a second valve 522, and both the first valve 521 and the second valve 522 are used for communicating or cutting off a pipeline of the cooling device 5 connected with the heat exchange interlayer 11.
The cooling liquid 51 is injected from the bottom of the heat exchange interlayer 11, returns out from the top of the heat exchange interlayer 11 and flows back to the cooling device 5; the cooling liquid 51 is water or a condensing agent.
This embodiment realizes the level four cooling, the level one cooling: the heat exchange interlayer 11 sleeved on the outer wall of the wellhead overflow pipe 1 takes away the heat of the high-temperature drilling fluid in the wellhead overflow pipe 1 through the heat exchange principle, so that primary cooling is realized; secondary cooling: the heat exchange interlayer 11 sleeved on the outer wall of the flow distribution box 2 takes away the heat of the high-temperature drilling fluid in the flow distribution box 2 through the heat exchange principle, so that secondary cooling is realized; and (3) tertiary cooling: a fan 31 is used for blowing air to the screen surface of the vibrating screen 3 to take away the heat of the high-temperature drilling fluid on the screen surface, so that three-stage cooling is realized; four-stage cooling: the cooling device 5 takes away the heat of the drilling fluid in the mud tank 4, and four-stage cooling is realized.
When the cooling device 5 works, the pump II 55 sucks the cooling liquid 51, the cooling liquid 51 firstly radiates heat through the radiator 53, the cooled cooling liquid 51 flows to the heat exchange interlayer 11 and the heat exchanger 56 through the valve II 522 and the valve V54 respectively, and the drilling fluid cooled by the heat exchanger 56 flows to the flow dividing box 2 and the mud tank 4 through the valve IV 22 and the valve III 41 respectively; at the same time, the first pump 6 sucks the drilling fluid in the mud tank 4 into the pipe and delivers it to the heat exchanger 56 in the cooling device 5.
In the invention, the primary cooling and the secondary cooling are arranged at the front end of the drilling fluid purification treatment equipment (the vibrating screen 3), so that the drilling fluid is cooled to a safe temperature before entering the purification treatment equipment, thereby being beneficial to the service life of the vibrating screen 3, the mud tank 4 and other drilling fluid treatment equipment and the operation safety of operators; and meanwhile, the drilling fluid is further cooled through three-stage cooling and four-stage cooling, so that the subsequent treatment efficiency and the cyclic utilization effect of the drilling fluid are facilitated.
The heat exchange cooling of the cooling liquid used by the invention is a common industrial cooling method, the related equipment is mature, the reliability is strong, the installation is convenient, the cost is low, and the operation characteristics of a drilling site can be better adapted; the invention uses the same cooling device 5 to uniformly cool the high-temperature liquid in the heat exchange interlayer 11 and the heat exchanger 41, thereby improving the treatment efficiency, being beneficial to uniformly controlling the flow of each pipeline, avoiding waste and misoperation and reducing the production cost.
Example 2
As shown in fig. 3, the difference between this embodiment and embodiment 1 is that in this embodiment, only the outer wall of the wellhead overflow pipe 1 is sleeved with a heat exchange interlayer 11, and the outer wall of the diversion box 2 is not provided with the heat exchange interlayer 11.
The temperature of the drilling fluid is different due to the difference of the well depth and the bottom pressure, if the temperature of the drilling fluid is low, the heat exchange interlayer 11 is sleeved on the outer wall of the wellhead overflow pipe 1, so that the cooling purpose can be achieved, and the waste and the cost reduction are avoided.
Example 3
As shown in fig. 4, the difference between this embodiment and embodiment 1 is that in this embodiment, only the outer wall of the diversion box 2 is sleeved with the heat exchange barrier 11, and the outer wall of the wellhead overflow pipe 1 is not provided with the heat exchange barrier 11.
The temperature of the drilling fluid is different due to the difference of the well depth and the bottom pressure, if the temperature of the drilling fluid is low, the heat exchange interlayer 11 is sleeved on the outer wall of the flow distribution box 2, so that the cooling purpose can be achieved, and the waste and the cost reduction are avoided.
All of the features disclosed above, or all of the steps in any method or process disclosed, may be combined in any combination, except features and/or steps that are mutually exclusive.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A drilling fluid cooling system comprises a wellhead overflow pipe (1) connected with a bell mouth (7), a flow distribution box (2) connected with the wellhead overflow pipe (1), a vibrating screen (3) connected with the flow distribution box (2) and a mud tank (4) connected with the vibrating screen (3), and is characterized in that a heat exchange interlayer (11) is sleeved on the outer wall of the wellhead overflow pipe (1) and/or the flow distribution box (2), a fan (31) is sleeved on the vibrating screen (3), and the mud tank (4) is connected with a cooling device (5); the heat exchange interlayer (11) is used for cooling drilling fluid in the wellhead overflow pipe (1) and/or the diversion box (2), the fan (31) is used for cooling the drilling fluid in the vibrating screen (3), and the cooling device (5) is used for cooling the drilling fluid in the mud tank (4) and injecting cooling liquid (51) into the heat exchange interlayer (11) in a circulating mode.
2. Drilling fluid cooling system according to claim 1, wherein the cooling device (5) comprises a temperature reduction unit (52) and a heat exchanger (53), the temperature reduction unit (52) is used for reducing the temperature of the cooling liquid (51), and circularly conveying the cooled cooling liquid (51) to the heat exchange interlayer (11) and the heat exchanger (53).
3. The drilling fluid cooling system according to claim 2, wherein a first valve (521) and a second valve (522) are respectively arranged at an inlet end and an outlet end of the temperature reduction unit (52), and the first valve (521) and the second valve (522) are both used for communicating or cutting off a pipeline of the cooling device (5) connected with the heat exchange interlayer (11).
4. Drilling fluid cooling system according to claim 1, wherein the mud tank (4) is fitted with a valve three (41), said valve three (41) being adapted to regulate the flow of drilling fluid from the cooling device (5) to the mud tank (4).
5. Drilling fluid cooling system according to claim 1, characterized in that an auxiliary cooling pipe (21) is connected to the bottom of the diversion box (2), and the other end of the auxiliary cooling pipe (21) is connected to the cooling device (5) for injecting cooled drilling fluid into the diversion box (2) for reducing the temperature of the drilling fluid in the diversion box (2).
6. Drilling fluid cooling system according to claim 5, characterised in that the auxiliary cooling line (21) is associated with a valve four (22), which valve four (22) is used to regulate the flow of drilling fluid from the cooling device (5) to the shunt box (2).
7. Drilling fluid cooling system according to any one of claims 1-6, c h a r a c t e r i z e d in that the cooling fluid (51) is injected from the bottom of the heat exchange barrier (11), returns from the top of the heat exchange barrier (11) and flows back to the cooling device (5).
8. A drilling fluid cooling system according to any one of claims 1-6, wherein the cooling fluid (51) is water or a condensing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629091.0A CN111810067B (en) | 2020-07-03 | 2020-07-03 | Drilling fluid cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629091.0A CN111810067B (en) | 2020-07-03 | 2020-07-03 | Drilling fluid cooling system |
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| CN111810067B CN111810067B (en) | 2024-04-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775307A (en) * | 2021-09-02 | 2021-12-10 | 中国煤炭地质总局水文地质局 | Drilling mud liquid cooling device and drilling system |
| CN113898305A (en) * | 2021-11-18 | 2022-01-07 | 西南石油大学 | High-temperature drilling fluid screening and cooling device and method |
| CN114776239A (en) * | 2022-05-06 | 2022-07-22 | 吉林大学 | High-temperature drilling fluid cooling system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1554599A (en) * | 1976-10-25 | 1979-10-24 | Joy Mfg Co | Fluid sealing means in a rock drill |
| CA2377424A1 (en) * | 2002-03-28 | 2003-09-28 | Fereidoun Khadem | Drilling-mud cooling system |
| CN203925357U (en) * | 2014-04-17 | 2014-11-05 | 青岛泰众能源技术有限公司 | drilling fluid, mud forced cooling device |
| US20160010407A1 (en) * | 2014-07-08 | 2016-01-14 | National Oilwell Varco, L.P. | Closed loop drilling mud cooling system for land-based drilling operations |
| CN208137886U (en) * | 2018-03-30 | 2018-11-23 | 中国海洋石油集团有限公司 | A kind of cooling equipment of drilling fluid |
| CN208294470U (en) * | 2018-06-15 | 2018-12-28 | 西南石油大学 | A kind of petroleum drilling fluid cooling device |
| CN110284845A (en) * | 2019-07-29 | 2019-09-27 | 中国地质科学院勘探技术研究所 | A kind of drilling fluid forced cooling device and low-temperature circulating boring method |
| CN212671622U (en) * | 2020-07-03 | 2021-03-09 | 四川宏华石油设备有限公司 | Drilling fluid cooling system |
-
2020
- 2020-07-03 CN CN202010629091.0A patent/CN111810067B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1554599A (en) * | 1976-10-25 | 1979-10-24 | Joy Mfg Co | Fluid sealing means in a rock drill |
| CA2377424A1 (en) * | 2002-03-28 | 2003-09-28 | Fereidoun Khadem | Drilling-mud cooling system |
| CN203925357U (en) * | 2014-04-17 | 2014-11-05 | 青岛泰众能源技术有限公司 | drilling fluid, mud forced cooling device |
| US20160010407A1 (en) * | 2014-07-08 | 2016-01-14 | National Oilwell Varco, L.P. | Closed loop drilling mud cooling system for land-based drilling operations |
| CN208137886U (en) * | 2018-03-30 | 2018-11-23 | 中国海洋石油集团有限公司 | A kind of cooling equipment of drilling fluid |
| CN208294470U (en) * | 2018-06-15 | 2018-12-28 | 西南石油大学 | A kind of petroleum drilling fluid cooling device |
| CN110284845A (en) * | 2019-07-29 | 2019-09-27 | 中国地质科学院勘探技术研究所 | A kind of drilling fluid forced cooling device and low-temperature circulating boring method |
| CN212671622U (en) * | 2020-07-03 | 2021-03-09 | 四川宏华石油设备有限公司 | Drilling fluid cooling system |
Non-Patent Citations (1)
| Title |
|---|
| 马青芳;: "钻井液冷却技术及装备综述", 石油机械, no. 10, 10 October 2016 (2016-10-10) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775307A (en) * | 2021-09-02 | 2021-12-10 | 中国煤炭地质总局水文地质局 | Drilling mud liquid cooling device and drilling system |
| CN113898305A (en) * | 2021-11-18 | 2022-01-07 | 西南石油大学 | High-temperature drilling fluid screening and cooling device and method |
| CN114776239A (en) * | 2022-05-06 | 2022-07-22 | 吉林大学 | High-temperature drilling fluid cooling system |
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