CN106014307A - Method for removing solid-phase particles in drilling fluid - Google Patents
Method for removing solid-phase particles in drilling fluid Download PDFInfo
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- CN106014307A CN106014307A CN201610603665.0A CN201610603665A CN106014307A CN 106014307 A CN106014307 A CN 106014307A CN 201610603665 A CN201610603665 A CN 201610603665A CN 106014307 A CN106014307 A CN 106014307A
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- mud
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- 238000005553 drilling Methods 0.000 title claims abstract description 101
- 239000007790 solid phase Substances 0.000 title claims abstract description 43
- 239000002245 particle Substances 0.000 title claims abstract description 39
- 239000012530 fluid Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000013049 sediment Substances 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 20
- 238000010992 reflux Methods 0.000 claims description 14
- 239000008346 aqueous phase Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 abstract description 9
- 239000004576 sand Substances 0.000 abstract description 9
- 238000005191 phase separation Methods 0.000 abstract description 4
- 239000012071 phase Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a method for removing solid-phase particles in drilling fluid. The method comprises the followings steps that 1, the elasticity of a tension spring is inspected, and whether a first filter plate is in contact with the top face of a sand discharging opening or not is observed; 2, a feeding port and a discharging port are opened, water-based drilling mud is poured into the feeding port, and the drilling mud is taken to the two sides of the first filter plate after colliding with a mud baffle; 3, the drilling mud is separated in a shell; 4, a water phase is collected at the discharging port, and the solid-phase particles are collected at the end, far away from the shell, of a third filter plate. In the steps, through the self weight of the water-based drilling mud, solid phase separation is carried out while the sand discharging opening is opened through the self gravity of the solid-phase particles accumulated at the movable end of the first filter plate to discharge the solid-phase particles, it is avoided that a spiral conveyor is used for discharging the solid-phase particles in the shell, the risk that an operator is injured is reduced, and the use cost of the device is reduced.
Description
Technical field
The present invention relates to drilling fluid reclamation field, be specifically related to remove the method for solid phase particles in drilling fluid.
Background technology
Drilling fluid is also referred to as drilling mud, is the general name of the various circulation of fluids used in drilling process.In drilling process, drilling fluid can not only effectively cool down and lubricate drill bit, is also equipped with balancing layer pressure, it is to avoid blowout and the effect of well kick occur, and moreover, drilling fluid can also transmit power and coring sampling.
Different according to disperse medium, drilling fluid is broadly divided into water-base drilling fluid, oil base drilling fluid gentle base drilling fluid three major types.
In drilling process, drilling fluid enters to bottom by drilling rod, after completing its effect with drilling well in the waste residue that produces discharge together, due to drilling fluid not only price high and also can welding, so should reclaim drilling fluid, solid controlling system is for reclaiming drilling fluid.Solid controlling system is also called drilling-fluid circulation system and drilling fluid cleaning system.Solid controlling system mainly includes the solid control equipments such as drilling fluid vibrating sieve, vacuum degasser, desander, desilter, horizontal spiral centrifuge.These solid control equipments, just as a series of sizes, sieve that function is different, realize the purification to drilling fluid and recycling by filtering layer by layer.
Desander is two grades of solid controlling systems of drilling fluid reclamation technique, and drilling fluid, after tentatively sieving bigger solid phase particles through drilling fluid vibrating sieve, i.e. enters in desander, removes the solid phase particles that granularity is 40 ~ 80 μm contained in drilling fluid.
Traditional desander is after separating drilling fluid with solid phase particles, and solid phase particles is carried over desander by auger conveyor, but auger conveyor is breakneck, if operator's operational error will produce serious consequence in practical operation.
Summary of the invention
The technical problem to be solved is the defect for tradition desander, purpose is to provide the method for solid phase particles in drilling fluid of removing, for water-base drilling fluid, solve tradition desander owing to using auger conveyor to easily cause the problem that operator are injured.
The present invention is achieved through the following technical solutions:
Removing the method for solid phase particles in drilling fluid, (A) checks the elasticity of tensioner spring, observes whether the first screen plate contacts with sediment ejection opening end face；
(B) open charging aperture, discharge gate, pour water-based drilling muds into, after drilling mud knocks mud guard, by the both sides of mud guard band to the first screen plate；
(C) separation in drilling mud portion in the enclosure, or artificial up-down vibration that first screen plate is carried out, increase solid-liquid separation effect and speed are waited；
(D) at discharge gate collect aqueous phase, the 3rd screen plate away from shell one end collect solid phase particles；nullAbove-mentioned steps includes shell，Described cover top portion is provided with charging aperture，Outer casing bottom is provided with discharging opening，It is provided with sediment ejection opening on the sidewall of shell，On the inwall of shell, chain connection has the first screen plate，The movable end of described first screen plate passes sediment ejection opening、And first the upper surface of screen plate contact with the end face of sediment ejection opening，The height of sediment ejection opening end face is less than the height of hinge on outer casing inner wall，Some mud guards it are provided with on first screen plate，The projection on the first screen plate of the described mud guard is in the shape of the letter V，The angular bisector of mud guard angle all axis with the first screen plate overlap、And the angle of mud guard is all towards the movable end of the first screen plate，The lower section of the movable end of the first screen plate is provided with some first springs，The lower end of described first spring is fixed on the bottom surface of sediment ejection opening，The underface of the first screen plate is horizontally disposed with the second screen plate being positioned at shell，It is fixed with sleeve below described second screen plate，The second spring it is provided with in described sleeve，Described second lower spring end is fixed with support bar，Described support bar lower end is fixed with gripper shoe，Described gripper shoe is arranged on the inwall of shell.In prior art, traditional desander is after separating drilling fluid with solid phase particles, solid phase particles is carried over desander by auger conveyor, but auger conveyor is breakneck, if operator's operational error will produce serious consequence in practical operation.In order to solve the problems referred to above, the invention provides a kind of for water-based drilling muds, it is not necessary to use the desander of auger conveyor conveying solid phase particles.The viscosity of water-based drilling muds is low compared with oil-based drilling mud, and the phenomenon of liquid phase parcel solid phase is relatively less, causes biphase being easier of solid-liquid to separate.This device has the parts that the existing desanders such as shell, charging aperture, discharging opening are owned by, except for the difference that, this device is provided with sand discharge hole on the sidewall of shell, be connected through the hinge on the inwall of shell the first screen plate, the movable end of the first screen plate is in communication with the outside through sand discharge hole, the upper surface of the first screen plate contacts with sand discharge hole end face, and lower surface connects some first springs, and the first spring is fixed on the bottom in sand discharge hole.The height of the end face in sand discharge hole is less than the height of hinge, pass through this set, the first screen plate is made to have certain angle of inclination, rather than with plane-parallel, when this device horizontal positioned is on the ground and time the movable end of the first screen plate contacts with the end face in sand discharge hole, the height of the first screen plate hinged end is more than the height of movable end, and after the drilling mud in charging aperture falls on the first screen plate, drilling mud can slide to movable end along the first screen plate from hinged end.The lower section of the first screen plate is provided with the second screen plate, and the second screen plate also is located at the inside of shell.By said structure, when there being water-based drilling muds to enter enclosure from charging aperture, first falling on the first screen plate, due to action of gravity and the first screen plate of being obliquely installed, drilling mud moves to movable end along the first screen plate from hinged end.While movement, the aqueous phase in drilling mud falls into the second screen plate through the first screen plate, and after the filtration again of the second screen plate, the aqueous phase in drilling mud is discharged from discharging opening.On the other hand, owing to drilling mud is moving to movable end, and, it is positioned at the drilling mud of movable end compared with the drilling mud just dropped down onto on the first screen plate, its solid particle comprised is more, movable end is caused to be moved straight down by after the gravity of drilling mud, the first spring below movable end is squeezed, now the upper surface of movable end no longer contacts with the end face of sediment ejection opening, gap is formed between sediment ejection opening and the first screen plate, a small amount of drilling mud is discharged from the gap between sediment ejection opening and the first screen plate with substantial amounts of solid phase particles, enter next stage solid control equipment.After sand discharge completes, movable end pressure experienced reduces, and the first spring recovers to initial position, and the upper surface of the first screen plate contacts the end face of sediment ejection opening again.In sum, the present invention gravity by water-based drilling muds self, while while carrying out solid phase separation, while being opened sediment ejection opening by the gravity of the solid phase particles self being deposited in movable end, realize the discharge of solid phase particles, avoid the solid phase particles using auger conveyor to discharge in shell, not only reduce the risk that operator are injured, and saved the use cost of desander.
After drilling mud falls on the first screen plate, it it is the process gradually scattered, when drilling mud flow velocity on the first screen plate is very fast, drilling mud will not launch to the both sides of the first screen plate, but directly slide to movable end, cause major part solid-liquid biphase also have not enough time to separate just have moved to sediment ejection opening, the organic efficiency causing liquid phase is low.In order to improve the utilization ratio of the first screen plate, first screen plate is provided with some mud guards, the projection on the first screen plate of the described mud guard is in the shape of the letter V, and the angular bisector of the angle of mud guard projection overlaps with the axis along hinged end to movable end of the first screen plate, angle just movable end to the first screen plate.By arranging mud guard, when drilling mud drops down onto the first screen plate from charging aperture, mud guard by drilling mud band to the both sides of the first screen plate, increase the filter area of drilling mud, not only take full advantage of the filter opening of the first screen plate both sides, and slow down drilling mud translational speed on the first screen plate, while further promoting the first screen plate separating effect, it is to avoid drilling mud flow velocity on the first screen plate is very fast and that cause most of solid-liquid biphase also have not enough time to separate just have moved to sediment ejection opening.
Owing to there being a certain distance between the first screen plate and the second screen plate, drilling mud drops down onto on the second screen plate after the first screen plate, it will the second screen plate produces impact, and impact is easily caused the second screen plate damage frequently.In order to solve the problems referred to above, being provided with sleeve below the second screen plate, be provided with the second spring in sleeve, the second lower spring end connects support bar, and support bar is fixing on the supporting plate, and gripper shoe is fixed on the inwall of shell.Pass through said structure; when drilling mud falls on the second screen plate, the second screen plate sheds a part of impulse force by mobile straight down, reduces the shock that the second screen plate is subject to; reach to protect the purpose of the second screen plate, add the service life of the second screen plate.
Further, the refluxing opening being positioned at below sediment ejection opening it is provided with on the sidewall of shell, the 3rd screen plate being fixed with between sediment ejection opening and refluxing opening on the side of shell, the height of one end that the 3rd screen plate is fixed on shell is higher than the other end, the lower section of the 3rd screen plate is provided with and connects liquid plate, described one end connecing liquid plate is arranged in refluxing opening, and the height of the one end being arranged in refluxing opening is less than the other end.Biphase in order to separate solid-liquid further, liquid phase in recovery drilling mud as much as possible, after a small amount of drilling mud leaves shell with most of solid granule, fall on the 3rd screen plate, 3rd screen plate is obliquely installed, and drilling mud slides to the one end away from shell along the 3rd screen plate near one end of shell, during sliding, drilling mud is while separating with solid phase particles, and the aqueous phase of separation drops down onto connecing on liquid plate below the 3rd screen plate.Connect liquid plate to be obliquely installed equally, by refluxing opening, aqueous phase is returned in shell, and final discharge from discharging opening.By above-mentioned setting, it is possible to separate the solid-liquid in drilling fluid further biphase, reach to reclaim the purpose of more drilling mud.
Further, the aperture of filter screen of the second screen plate less than the first screen plate aperture of filter screen 1/2nd.Find in practice, the aperture of filter screen of the second screen plate is set smaller than the first screen plate aperture of filter screen 1/2nd can not only ensure that drilling mud can well move and control the movable end of the first screen plate on the first screen plate and produce gap with sediment ejection opening, the second screen plate can remove the solid phase particles in drilling mud further simultaneously.
Further, the first spring is tensioner spring.Tensioner spring can keep while elasticity, have enough hardness and go to support the first screen plate, add the service life of device, it is to avoid changes the first spring frequently or keeps in repair.
Further, the angle of mud guard is 20 ~ 45 °, and mud guard two ends are 20 ~ 40 centimetres with the distance of the first screen plate both sides.Finding in practice, under drilling mud normal flow, if the angle of mud guard is less than 20 °, then the part filter screen of the first screen plate both sides still cannot play a role in filtering；If the angle of mud guard is more than 45 °, by substantially weakening drilling mud translational speed on the first screen plate, causes the accumulation of drilling mud, the first screen plate and the first spring are caused load, is easily caused damage.When the distance of mud guard two ends and the first screen plate both sides is 20 ~ 40 centimetres, mud guard can be more smoothly by the both sides of drilling mud band to the first screen plate.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, the present invention gravity by water-based drilling muds self, while while carrying out solid phase separation, while being opened sediment ejection opening by the gravity of the solid phase particles self being deposited in movable end, realize the discharge of solid phase particles, avoid the solid phase particles using auger conveyor to discharge in shell, not only reduce the risk that operator are injured, and save the use cost of device；
2, the present invention is by arranging mud guard, when drilling mud drops down onto the first screen plate from charging aperture, mud guard by drilling mud band to the both sides of the first screen plate, increase the filter area of drilling mud, not only take full advantage of the filter opening of the first screen plate both sides, and slow down drilling mud translational speed on the first screen plate, while further promoting the first screen plate separating effect, it is to avoid drilling mud flow velocity on the first screen plate is very fast and that cause most of solid-liquid biphase also have not enough time to separate just have moved to sediment ejection opening；
3, the present invention is provided with sleeve, support bar, gripper shoe and the second spring below the second screen plate; when drilling mud falls on the second screen plate; second screen plate sheds a part of impulse force by mobile straight down; reduce the shock that the second screen plate is subject to; reach to protect the purpose of the second screen plate, add the service life of the second screen plate；
4, the present invention is by arranging the 3rd screen plate, refluxing opening, connecing liquid plate, it is achieved that separates the solid-liquid in drilling fluid further biphase, reaches to reclaim the purpose of more drilling mud；
5, find in practice, the aperture of filter screen of the second screen plate is set smaller than the first screen plate aperture of filter screen 1/2nd, not only ensureing that drilling mud can move and control movable end and the sediment ejection opening generation gap of the first screen plate on the first screen plate well, the second screen plate can remove the solid phase particles in drilling mud further simultaneously.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes the part of the application, is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the structural representation of mud guard.
The parts title of labelling and correspondence in accompanying drawing:
1-shell, 2-charging aperture, 3-discharging opening, 4-the first screen plate, 5-the second screen plate, 6-the first spring, 7-the 3rd screen plate, 8-connects liquid plate, 9-gripper shoe, 10-support bar, 11-the second spring, 12-sleeve, 13-mud guard.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, not as a limitation of the invention.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the present embodiment comprises the following steps: (A) checks the elasticity of tensioner spring, observes whether the first screen plate 4 contacts with sediment ejection opening end face；
(B) open charging aperture 2, discharge gate 3, pour water-based drilling muds into, after drilling mud knocks mud guard 9, by the both sides of mud guard 9 band to the first screen plate 4；
(C) wait drilling mud is in the separation within shell 1, or the artificial up-down vibration that carries out the first screen plate 4, increase solid-liquid separation effect and speed；
(D) at discharge gate 3 collect aqueous phase, the 3rd screen plate 7 away from shell 1 one end collect solid phase particles；nullIn above-mentioned steps，Including shell 1，Shell 1 top is provided with charging aperture 2，Discharging opening 3 it is provided with bottom shell 1，It is provided with sediment ejection opening on the sidewall of shell 1，On the inwall of shell 1, chain connection has the first screen plate 4，The movable end of the first screen plate 4 passes sediment ejection opening、And first the upper surface of screen plate 4 contact with the end face of sediment ejection opening，The height of sediment ejection opening end face is less than the height of hinge on shell 1 inwall，Some mud guards 9 it are provided with on first screen plate 4，The mud guard 9 projection on the first screen plate 4 is in the shape of the letter V，The angular bisector of mud guard 9 angle all axis with the first screen plate 4 overlap、And the angle of mud guard 9 is all towards the movable end of the first screen plate 4，The lower section of the movable end of the first screen plate 4 is provided with some first springs 6，The lower end of the first spring 6 is fixed on the bottom surface of sediment ejection opening，The underface of the first screen plate 4 is horizontally disposed with the second screen plate 5 being positioned at shell 1，It is fixed with sleeve 12 below second screen plate 5，The second spring 11 it is provided with in sleeve 12，Second spring 11 lower end is fixed with support bar 10，Support bar 10 lower end is fixed with gripper shoe 9，Gripper shoe 9 is arranged on the inwall of shell 1.The refluxing opening being positioned at below sediment ejection opening it is provided with on the sidewall of shell 1, the 3rd screen plate 7 being fixed with between sediment ejection opening and refluxing opening on the side of shell 1, the height of one end that the 3rd screen plate 7 is fixed on shell 1 is higher than the other end, the lower section of the 3rd screen plate 7 is provided with and connects liquid plate 8, the one end connecing liquid plate 8 is arranged in refluxing opening, and the height of the one end being arranged in refluxing opening is less than the other end.The aperture of filter screen of the second screen plate 5 is less than 1/2nd of the aperture of filter screen of the first screen plate 4.First spring 6 is tensioner spring.The angle of mud guard 9 is 20 ~ 45 °, and mud guard 9 two ends are 20 ~ 40 centimetres with the distance of the first screen plate 4 both sides.
The present invention gravity by water-based drilling muds self, while while carrying out solid phase separation, while being opened sediment ejection opening by the gravity of the solid phase particles self of the movable end being deposited in the first screen plate 4, realize the discharge of solid phase particles, avoid the solid phase particles using auger conveyor to discharge in shell, not only reduce the risk that operator are injured, and save the use cost of device.
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only the detailed description of the invention of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (5)
1. remove the method for solid phase particles in drilling fluid, it is characterised in that comprise the following steps:
(A) check the elasticity of tensioner spring, observe whether the first screen plate contacts with sediment ejection opening end face；
(B) open charging aperture, discharge gate, pour water-based drilling muds into, after drilling mud knocks mud guard, by the both sides of mud guard band to the first screen plate；
(C) separation in drilling mud portion in the enclosure, or artificial up-down vibration that first screen plate is carried out, increase solid-liquid separation effect and speed are waited；
(D) at discharge gate collect aqueous phase, the 3rd screen plate away from shell one end collect solid phase particles；nullAbove-mentioned steps includes shell (1)，Described shell (1) top is provided with charging aperture (2)，Shell (1) bottom is provided with discharging opening (3)，It is provided with sediment ejection opening on the sidewall of shell (1)，On the inwall of shell (1), chain connection has the first screen plate (4)，The movable end of described first screen plate (4) passes sediment ejection opening、And first the upper surface of screen plate (4) contact with the end face of sediment ejection opening，The height of sediment ejection opening end face is less than the height of hinge on shell (1) inwall，Some mud guards (9) it are provided with on first screen plate (4)，The described mud guard (9) projection on the first screen plate (4) is in the shape of the letter V，The angular bisector of mud guard (9) angle all axis with the first screen plate (4) overlap、And the angle of mud guard (9) is all towards the movable end of the first screen plate (4)，The lower section of the movable end of the first screen plate (4) is provided with some first springs (6)，The lower end of described first spring (6) is fixed on the bottom surface of sediment ejection opening，The underface of the first screen plate (4) is horizontally disposed with the second screen plate (5) being positioned at shell (1)，Described second screen plate (5) lower section is fixed with sleeve (12)，The second spring (11) it is provided with in described sleeve (12)，Described second spring (11) lower end is fixed with support bar (10)，Described support bar (10) lower end is fixed with gripper shoe (9)，Described gripper shoe (9) is arranged on the inwall of shell (1).
The method of solid phase particles in removal drilling fluid the most according to claim 1, it is characterized in that, it is provided with, on the sidewall of described shell (1), the refluxing opening being positioned at below sediment ejection opening, the 3rd screen plate (7) being fixed with between sediment ejection opening and refluxing opening on the side of shell (1), the height of one end that described 3rd screen plate (7) is fixed on shell (1) is higher than the other end, the lower section of the 3rd screen plate (7) is provided with and connects liquid plate (8), described one end connecing liquid plate (8) is arranged in refluxing opening, and the height of the one end being arranged in refluxing opening is less than the other end.
The method of solid phase particles in removal drilling fluid the most according to claim 1 and 2, it is characterised in that the aperture of filter screen of described second screen plate (5) is less than 1/2nd of the aperture of filter screen of the first screen plate (4).
The method of solid phase particles in removal drilling fluid the most according to claim 3, it is characterised in that described first spring (6) is tensioner spring.
The method of solid phase particles in removal drilling fluid the most according to claim 1, it is characterised in that the angle of described mud guard (9) is 20 ~ 45 °, mud guard (9) two ends are 20 ~ 40 centimetres with the distance of the first screen plate (4) both sides.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610603665.0A CN106014307A (en) | 2016-07-28 | 2016-07-28 | Method for removing solid-phase particles in drilling fluid |
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| CN201610603665.0A CN106014307A (en) | 2016-07-28 | 2016-07-28 | Method for removing solid-phase particles in drilling fluid |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107160731A (en) * | 2017-07-12 | 2017-09-15 | 蓝深集团股份有限公司 | A kind of pressafiner |
| CN110593787A (en) * | 2019-10-15 | 2019-12-20 | 中国煤炭地质总局勘查研究总院 | Drilling mud purification device and method |
| CN111706277A (en) * | 2020-07-30 | 2020-09-25 | 葛佳文 | Sand remover for geothermal drilling |
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| CN107160731B (en) * | 2017-07-12 | 2019-05-31 | 蓝深集团股份有限公司 | A kind of pressafiner |
| CN110593787A (en) * | 2019-10-15 | 2019-12-20 | 中国煤炭地质总局勘查研究总院 | Drilling mud purification device and method |
| CN111706277A (en) * | 2020-07-30 | 2020-09-25 | 葛佳文 | Sand remover for geothermal drilling |
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Application publication date: 20161012 |
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