CN207092999U - Drilling fluid tank - Google Patents
Drilling fluid tank Download PDFInfo
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- CN207092999U CN207092999U CN201720853401.0U CN201720853401U CN207092999U CN 207092999 U CN207092999 U CN 207092999U CN 201720853401 U CN201720853401 U CN 201720853401U CN 207092999 U CN207092999 U CN 207092999U
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Abstract
The utility model provides a kind of drilling fluid tank, including for depositing the tank body and drilling fluid stirring system of drilling fluid, drilling fluid stirring system includes liquid reflux assembly and mixing component；Liquid reflux assembly includes transfer tube, feed tube and drain pipe, the liquid feeding end of feed tube and the outlet end of drain pipe are respectively positioned on below the liquid level of drilling fluid, outlet end is located at below liquid feeding end and set close to the tank bottom of tank body, the water inlet of transfer tube connects with feed tube, the delivery port of transfer tube connects with drain pipe, for drilling fluid to be sucked by liquid feeding end, and sprayed by outlet end；Mixing component includes being located in drilling fluid, and for stirring the mixing part of drilling fluid.The drilling fluid tank can be internally formed backflow in drilling fluid, for the solid granulates in dispersed drilling fluid, it is uniformly suspended in drilling fluid, prevent it to be deposited on drilling fluid tank bottom due to Action of Gravity Field.
Description
Technical field
It the utility model is related to oilfield drilling technical field, more particularly to a kind of drilling fluid tank.
Background technology
In the drilling process of petroleum works, drilling fluid is the circulation flushing medium used in well.To ensure drilling fluid
Configuration, storage, processing and circulation, drilling fluid tank is provided between drilling fluid pump and well head.
The pipeline connection of drilling fluid tank inlet and well head, the liquid outlet of drilling fluid tank connect with drilling fluid pump, drilling fluid
It is hollow vessel in tank.The inlet and liquid outlet of existing drilling fluid tank are opened in the side that drilling fluid tank tank body is higher than bottom plate
On wall.Can there are substantial amounts of solid granulates, such as bentonite and solid phase heavy weight additive in drilling fluid, for adjusting the close of drilling fluid
Degree, viscosity and mobility, the effect for making it meet to suspend with cutting carring.Due to liquid level between inlet and liquid outlet be present
Difference, in drilling-fluid circulation system operation, the solid granulates in drilling fluid can gradually deposit to drilling fluid tank under gravity
Bottom.
But be deposited on the solid particle in drilling fluid tank and be difficult to clean up, causing the volume of drilling fluid tank reduces.
Utility model content
Based on above-mentioned technical problem, the utility model provides a kind of drilling fluid tank, can be internally formed backflow in drilling fluid, uses
Solid granulates in dispersed drilling fluid, make it uniformly be suspended in drilling fluid, prevent it to be deposited on brill due to Action of Gravity Field
Well liquid pot bottom.
A kind of drilling fluid tank provided by the utility model, including for depositing tank body and the drilling fluid stirring system of drilling fluid
System, the drilling fluid stirring system include liquid reflux assembly and mixing component.
The liquid reflux assembly includes transfer tube, feed tube and drain pipe, liquid feeding end and the drain pipe of the feed tube
Outlet end is respectively positioned on below the liquid level of the drilling fluid, and the outlet end is located at below the liquid feeding end and set close to the tank bottom of the tank body
Put, the water inlet of the transfer tube connects with the feed tube, and the delivery port of the transfer tube connects with the drain pipe, for by the drilling well
Liquid is sucked by the liquid feeding end, and is sprayed by the outlet end.
The mixing component includes being located in the drilling fluid, and for stirring the mixing part of the drilling fluid.
The mixing part includes first agitating paddle and at least one second agitating paddle, the gyroaxis edge of first agitating paddle
Vertical direction, the gyroaxis of second agitating paddle are vertical with the gyroaxis of first agitating paddle.
In above-mentioned drilling fluid tank, optionally, second agitating paddle for it is multiple when, second agitating paddle around this
Straight central where the gyroaxis of one agitating paddle is symmetrical arranged.
In above-mentioned drilling fluid tank, optionally, the mixing part also includes gear assembly, and the gear assembly includes one
First gear and at least one second gear, be conical gear in the first gear and the second gear, the first gear and
The second gear is located in the rotating shaft of first agitating paddle and second agitating paddle respectively.
The second gear is intermeshed with the first gear.
In above-mentioned drilling fluid tank, optionally, in addition to the bearing housing at the top of the drilling fluid tank is suspended on, the bearing
Housing-case is located in the rotating shaft of first agitating paddle, and the blade of first agitating paddle and second agitating paddle is respectively by the bearing housing
Bottom and side wall are extend out in the drilling fluid.
Sealed between first agitating paddle and the rotating shaft of second agitating paddle and the wall of the bearing housing by sealed bearings
Connection.
In above-mentioned drilling fluid tank, optionally, the drain pipe includes the first drain pipe section vertically set
With the second horizontally disposed drain pipe section, the first drain pipe section and the second drain pipe section are sequentially communicated, and this first
Drain pipe section is connected with the delivery port of the transfer tube, and multiple fluid holes are interval with the second drain pipe section.
The second drain pipe section is loop pipe.
In above-mentioned drilling fluid tank, optionally, the first branch pipe connected with the drain pipe is additionally provided with the drain pipe,
First branch pipe is used to discharge the drilling fluid in the tank body, be additionally provided with the pipeline of first branch pipe for be opened and closed this first
First valve of branch pipe.
In above-mentioned drilling fluid tank, optionally, the second branch pipe connected with the feed tube is additionally provided with the feed tube,
The outlet of second branch pipe and the pit shaft, for inputting the drilling fluid flowed out by the pit shaft into the tank body, this second
The second valve for being opened and closed second branch pipe is additionally provided with the pipeline of branch pipe.
In above-mentioned drilling fluid tank, optionally, the tank body also includes liquid outlet, and the liquid outlet is located at the tank of the tank body
Bottom, the liquid outlet connect with the entrance of pit shaft, for inputting the drilling fluid into the pit shaft.
In above-mentioned drilling fluid tank, optionally, the drilling fluid tank includes multiple drilling fluid stirring systems, multiple to be somebody's turn to do
Drilling fluid stirring system is symmetrical arranged with the central axis of the drilling fluid tank.
Drilling fluid tank provided by the utility model, backflow is internally formed in drilling fluid by liquid reflux assembly, will be deposited
Solid granulates impact in bottom is come and it is dispersed in drilling fluid, by mixing component be it is scattered after solid granulates it is equal
Even is suspended in drilling fluid, solid granulates is prevented because Action of Gravity Field is redeposited in drilling fluid tank bottom, for following for pit shaft
Ring rinses the drilling fluid for providing stable and uniform.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the drilling fluid tank that the utility model embodiment provides；
Fig. 2 is the enlarged diagram of A in Fig. 1 that the utility model embodiment provides；
Fig. 3 is the schematic top plan view for the drilling fluid tank that the utility model embodiment provides；
Fig. 4 is the diagrammatic cross-section for the drilling fluid tank that the utility model embodiment provides；
Fig. 5 is the structural representation of the mixing component for the drilling fluid tank that the utility model embodiment provides；
Fig. 6 is the structural representation of the mixing part for the drilling fluid tank that the utility model embodiment provides；
Fig. 7 is the schematic top plan view of the mixing part for the drilling fluid tank that the utility model embodiment provides；
Fig. 8 is the structural representation of the blade for the drilling fluid tank that the utility model embodiment provides；
Fig. 9 is the schematic side view of the blade for the drilling fluid tank that the utility model embodiment provides.
Description of reference numerals：
10- tank bodies；20- drilling fluid stirring systems；30- bearing housings；
11- liquid outlets；12- detection mouths；21- liquid reflux assemblies；
22- mixing components；31- sealed bearings；32- fix bars；
111- the first liquid outlet valves；112- the second liquid outlet valves；211- transfer tubes；
212- feed tubes；213- drain pipes；222- gear assemblies；
221- mixing parts；The branch pipes of 2121- second；The valves of 2122- second；
2123- feed liquor tube valves；2131- the first drain pipe sections；2132- the second drain pipe sections；
The branch pipes of 2133- first；The valves of 2134- first；2135- drain pipe valves；
2221- first gears；The agitating paddles of 2211- first；2222- second gears；
The agitating paddles of 2212- second；2213- blades.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Fig. 1 is the structural representation for the drilling fluid tank that the utility model embodiment provides.Fig. 2 is the utility model embodiment
A enlarged diagram in Fig. 1 of offer.Fig. 3 is the schematic top plan view for the drilling fluid tank that the utility model embodiment provides.Fig. 4
It is the diagrammatic cross-section for the drilling fluid tank that the utility model embodiment provides.Fig. 5 is the drilling well that the utility model embodiment provides
The structural representation of the mixing component of flow container.Fig. 6 is the structure of the mixing part for the drilling fluid tank that the utility model embodiment provides
Schematic diagram.Fig. 7 is the schematic top plan view of the mixing part for the drilling fluid tank that the utility model embodiment provides.Fig. 8 is that this practicality is new
The structural representation of the blade for the drilling fluid tank that type embodiment provides.Fig. 9 is the drilling fluid tank that the utility model embodiment provides
Blade schematic top plan view.
As shown in Figures 1 to 7, a kind of drilling fluid tank that the utility model embodiment provides, including for depositing drilling fluid
Tank body 10 and drilling fluid stirring system 20, the drilling fluid stirring system 20 includes liquid reflux assembly 21 and mixing component 22.
Drilling fluid is the circulatory mediator for cleaning pit shaft, and particulate solid is generally comprised in drilling fluid, these solid-states
Particulate matter is used for density, viscosity and the mobility for adjusting drilling fluid, can meet the effect to suspend with cutting carring.This is solid
For state particle based on bentonite and solid phase heavy weight additive, generally can also add some has the chemical combination of lubricating function or cleaning function
Thing, it can be used for absorbing the moisture in drilling fluid, increase the frictional force between drilling fluid and landwaste, so as to cutting carring, and
Shaft in wall can be cleaned.And it is that drilling fluid realizes above-mentioned technology effect that solid granulates, which can be stablized and be evenly distributed in drilling fluid,
The premise of fruit, therefore the drilling fluid tank that the present embodiment provides is applied not only to deposit drilling fluid, can also pass through liquid reflux assembly 21
Cause solid granulates are uniform and stable in drilling fluid to disperse with mixing component 22.
Specifically, the liquid reflux assembly 21 includes transfer tube 211, feed tube 212 and drain pipe 213, the feed tube 212
Liquid feeding end and the outlet end of the drain pipe 213 be respectively positioned on below the liquid level of the drilling fluid, the outlet end is located under the liquid feeding end
Side simultaneously connects close to the tank bottom setting of the tank body 10, the water inlet of the transfer tube 211 with the feed tube 212, the transfer tube 211
Delivery port connects with the drain pipe 213, for the drilling fluid to be sucked by the liquid feeding end, and is sprayed by the outlet end.Tank body 10
In drilling fluid can be sucked under the drive of transfer tube 211 by feed tube 212, then sprayed by drain pipe 213.Due to drain pipe
213 are located at the lower section of feed tube 212, and are set close to the bottom of tank body 10, therefore are deposited on the solid granulates of the bottom of tank body 10
The drilling fluid impact that can be sprayed by drain pipe 213, spreads to the middle part of tank body 10.Further, drilling fluid is in feed tube 212
During drain pipe 213 constantly circulation, solid granulates can be driven to be flowed in drilling fluid, so as to prevent it to be deposited on tank body
10 bottoms.
Specifically, the mixing component 22 includes being located in the drilling fluid, and for stirring the mixing part 221 of the drilling fluid.
Because the particle diameter of some solid granulates is smaller, therefore can be reunited together due to the influence of intermolecular force in drilling fluid,
Therefore its deposition can only be prevented in the case where above-mentioned liquid reflux assembly 21 acts on, and the solid granulates of reunion can not be broken up.Cause
This also includes being used for the mixing component 22 for stirring drilling fluid in the tank body 10.Mixing component 22 is by mixing part 221 in drilling well
Rotated in liquid, drive solid granulates rotation, the solid granulates of reunion can scatter simultaneously uniformly under the centrifugal action of rotation
Ground is distributed in drilling fluid.
Specifically, the mixing part 221 includes first agitating paddle 2211 and at least one second agitating paddle 2212, this
Vertically, the gyroaxis of second agitating paddle 2212 returns the gyroaxis of one agitating paddle 2211 with first agitating paddle 2211
Rotating shaft is vertical.
It should be noted that mixing part 221 by gyroaxis the first agitating paddle 2211 vertically and gyroaxis with
The second vertical agitating paddle 2212 of the gyroaxis of first agitating paddle 2211 rotates in drilling fluid, can drive drilling fluid along not
Equidirectional rotation.
As shown in Figure 5 and Figure 6, by taking the first agitating paddle 2211 and the second agitating paddle 2212 of left-half as an example, specifically
Rotation process can be：First agitating paddle 2211 drives drilling fluid to be moved towards its bottom, and now the second agitating paddle 2212
Drilling fluid is driven to be moved along the direction away from the side wall of tank body 10, now in the first agitating paddle 2211 and the band of the second agitating paddle 2212
Under dynamic, drilling fluid rotates in tank body 10 along clockwise direction, and forms rotating vortex.Under same rotation direction,
Under the drive of second agitating paddle 2212 of the first agitating paddle 2211 and right half part, drilling fluid is along side counterclockwise in tank body 10
To rotation, rotating vortex is similarly formed.By the rotating vortex of above-mentioned two different directions, it is ensured that solid granulates are as far as possible
Be dispersed in drilling fluid.
Specifically whipping process can also be：First agitating paddle 2211 drives drilling fluid along the direction for deviating from the bottom of tank body 10
Motion, and now the second agitating paddle 2212 of left-half drives drilling fluid along being moved towards the direction of the side wall of tank body 10, now
Under the drive of the first agitating paddle 2211 and the second agitating paddle 2212 of left-half, drilling fluid is in tank body 10 along side counterclockwise
To rotating and form rotating vortex.Identical, between the first agitating paddle 2211 and the second agitating paddle 2212 of right half part, meeting
Form clockwise rotating vortex.The two rotating vortex can equally realize above-mentioned technique effect, and here is omitted.
Further, in the present embodiment, the second agitating paddle 2212 is two, in reality in use, the second agitating paddle
2212 quantity is not limited to above-mentioned example, can increase and decrease as needed.When second agitating paddle 2212 is multiple, to protect
The second agitating paddle 2212 is demonstrate,proved in rotation process, forms stable rotor, second agitating paddle 2212 under the action of the centrifugal force
It is symmetrical arranged around straight central where the gyroaxis of first agitating paddle 2211.It is pointed out that reality in use,
Second agitating paddle also can not be with the gyroaxis center symmetric setting of the first agitating paddle.
To realize the linkage of the first agitating paddle 2211 and the second agitating paddle 2212, as shown in Figure 5 and Figure 6, the mixing part 221
Also include gear assembly 222, the gear assembly 222 includes a first gear 2221 and at least one second gear 2222, should
First gear 2221 with being conical gear in the second gear 2222, distinguish by the first gear 2221 and the second gear 2222
It is located in the rotating shaft of first agitating paddle 2211 and second agitating paddle 2212.The second gear 2222 with the first gear
2221 intermeshings.When first gear 2221 rotates, first gear 2221 can by conical gear with second gear
The 2222 intermeshing flank of tooth drive second gear 2222 to rotate, and form linkage process.It can so make power maximumlly sharp
With, save the energy, reduce cost；And it can also pass through the gear parameter of accuracy controlling first gear 2221 and second gear 2222
Adjust the rotation of the first agitating paddle 2211 and the second agitating paddle 2212.Specific gear parameter can include the He of first gear 2221
Modulus of the gear ratio of second gear 2222, tooth radius ratio and gear etc..
Specifically, the drilling fluid tank also includes being suspended on the bearing housing 30 at the top of the drilling fluid tank, the bearing housing 30 is arranged
In the rotating shaft of first agitating paddle 2211, the blade 2213 of first agitating paddle 2211 and second agitating paddle 2212 respectively by
The bottom of the bearing housing 30 and side wall are extend out in the drilling fluid.
It should be noted that the bearing housing 30 can be suspended on drilling fluid tank by the fix bar 32 at the top of it
Top, fix bar 32 could be arranged to it is multiple, as long as can guarantee that bearing housing 30 it is stable be suspended on the inside of tank body 10, this reality
Example is applied not to be limited the quantity of fix bar 32.The bearing housing 30 can be used for protecting gear assembly 222 and fixing second stirring
The rotating shaft of oar 2212 is mixed, prevents the normal work that there is acid or alkaline components liquid to influence gear assembly 222 in drilling fluid.
And to ensure the sealing of bearing housing 30, rotating shaft and the bearing housing of first agitating paddle 2211 and second agitating paddle 2212
It is tightly connected between 30 wall by sealed bearings 31.
Further, the gear lubrication liquid that is connected with the cabinets cavity of bearing housing 30 is offered on the outer wall of bearing housing 30
Inlet and outlet, the inlet and outlet can be connected by pipeline with the lubricating fluid storage tank in the external world, for bearing
Injection lubricating fluid in case 30, maintains the normal operation of gear assembly 222.And the sealed bearings 31, which can also be used to fixing first, to be stirred
The rotating shaft of the agitating paddle 2212 of oar 2211 and second is mixed, both is stably fixed in rotation process on bearing housing.
Wherein as shown in Figure 8 and Figure 9, in the present embodiment, blade 2213 includes five to the concrete structure of blade 2213,
It is actual in use, can also select the blade 2213 of two panels to six as needed, be fixed in by wheel hub in rotating shaft.
It is pointed out that in the present embodiment, the torsional angle of blade 2213, the i.e. string of a musical instrument of agitating paddle and stirring can be adjusted
Angle between the Plane of rotation of oar, to realize that the first agitating paddle 2211 of regulation and the second agitating paddle 2212 drive the stream of drilling fluid
Dynamic direction so that the mixing direction of the agitating paddle 2212 of the first agitating paddle 2211 and second is not limited to above-mentioned example.
Specifically, the drain pipe 213 includes the first drain pipe section 2131 vertically set and set in the horizontal direction
The the second drain pipe section 2132 put, the first drain pipe section 2131 and the second drain pipe section 2132 are sequentially communicated, and this first goes out
Liquid pipe section 2131 is connected with the delivery port of the transfer tube 211, and multiple fluid holes are interval with the second drain pipe section 2132.
It should be noted that to ensure that 213 effective Ground shock waves of drain pipe are deposited on the solid granulates of the bottom of tank body 10, should
Drain pipe 213 includes the first drain pipe section 2131 vertically set and the second horizontally disposed drain pipe section
2132, the first drain pipe section 2131 vertically set can adjust the second drain pipe section 2132 and be located under drilling liquid
The depth of side, multiple fluid holes should be interval with the second horizontally arranged drain pipe section 2132.Regulation can be passed through
Second drain pipe section 2132, so as to adjust the distribution of fluid hole, makes it equal as far as possible in the setting length of the bottom of tank body 10
It is even to be comprehensively distributed in the bottom of tank body 10, prevent solid granulates to be deposited at drilling fluid return dead angle.
Further, as shown in figure 4, the second drain pipe section 2132 is loop pipe.Second drain pipe section of loop pipe
2132 can improve the distribution area of the second drain pipe section 2132, and the loop pipe can be circular, rectangular ring or elliptical ring
Shape.
Specifically, as depicted in figs. 1 and 2, the first branch pipe connected with the drain pipe 213 is additionally provided with the drain pipe 213
2133, first branch pipe 2133 is used to discharge the drilling fluid in the tank body 10, is also set on the pipeline of first branch pipe 2133
There is the first valve 2134 for being opened and closed first branch pipe 2133.It is additionally provided with what is connected with the feed tube 212 on the feed tube 212
Second branch pipe 2121, the outlet of second branch pipe 2121 and the pit shaft, for being inputted into the tank body 10 by the pit shaft stream
The drilling fluid gone out, the second valve for being opened and closed second branch pipe 2121 is additionally provided with the pipeline of second branch pipe 2121
2122.Feed tube 212 is provided with the feed liquor tube valve 2123 for being used for being opened and closed the pipeline of feed tube 212, and drain pipe 213, which is provided with, to be used for
It is opened and closed the drain pipe valve 2135 of the pipeline of drain pipe 213.
When the drilling fluid in tank body 10 can not meet to clean the standard of pit shaft, it is necessary to which the drilling fluid in drilling fluid tank is arranged
Go out, specific discharge process can be：First valve 2134 of the branch pipe 2133 of feed liquor tube valve 2123 and first is opened, goes out liquid
Second valve 2122 of the branch pipe 2121 of tube valve 2135 and second is closed.Now drilling fluid under the drive of transfer tube 211 by entering
After liquid pipe 212 sucks, flow out to the outside of tank body 10 via the first branch pipe 2133 or be transferred to the tank body 10 of another drilling fluid tank
In.
It is important to note that drilling fluid tank of the present utility model can realize two kinds of cyclic processes of drilling fluid, first
Kind cyclic process is circulation of the drilling fluid between pit shaft and drilling fluid tank.It is drilling fluid cleaning pit shaft that this, which circulates process,
Process.Specific cyclic process can be：The outlet of second branch pipe 2121 and pit shaft, liquid outlet 11 and the pit shaft of tank body
Entrance connects.Inside tank body 10, the valve 2122 of drain pipe valve 2135 and second is opened, the valve of feed liquor tube valve 2123 and first
Door 2134 is closed, and drilling fluid is flowed into the second branch pipe 2121 by the outlet of pit shaft, and drain pipe 213 is flow to via transfer tube 211
And enter inside tank body 10, the entrance of pit shaft is then flow to by liquid outlet 11, and be again introduced into pit shaft, drilling fluid is completed in well
Circulation between cylinder and drilling fluid tank.Transfer tube 211 drives drilling fluid return, and circulation power is provided for it.
The purpose of second of cyclic process is the circulation inside drilling fluid tank, and this circulates process is prevented in drilling fluid
Solid granulates are deposited on the bottom of tank body 10.Specific cyclic process can be：By the first valve 2122 of the first branch pipe 2121
Closed with the second valve 2134 of the second branch pipe 2133, open feed liquor tube valve 2123 and drain pipe valve 2135, drilling fluid exists
Driven by transfer tube inside tank body 10, entered by feed tube 212, then flow back into by drain pipe 213 in tank body 10, complete to be circulated throughout
Journey.When drilling fluid is flowed out by the fluid hole of drain pipe 213, it can impact and drive being deposited on the solid granulates of the bottom of tank body 10 extremely
The middle part of tank body 10, it is avoided to deposit and assemble.
Specifically, the tank body 10 also includes liquid outlet 11, the liquid outlet 11 is located at the tank bottom of the tank body 10, the liquid outlet 11
Connected with the entrance of pit shaft, for inputting the drilling fluid into the pit shaft.
It should be noted that liquid outlet 11 can be gone out with the outlet of pit shaft between tank body 10 and pit shaft by this
The branch pipe 2121 of liquid mouth 11 and second forms complete circulation loop.As shown in figure 1, the first liquid outlet valve is additionally provided with liquid outlet
111, for controlling drilling fluid to be flowed out by tank body 10.Liquid outlet 11 is connected with horizontal pipeline, is easy to positioned at the bottom of tank body 10
The drilling fluid that liquid outlet 11 flows out is delivered to outside.And the branched pipe being vertically arranged is additionally provided with horizontal pipeline, in the branch
Pipe is provided with the first liquid outlet valve 111.Pass through the first liquid outlet valve 111, the second liquid outlet valve 112 and liquid outlet 11
The following functions of the tank body can be realized：1) after the use of tank body 10, it is necessary to rinse tank interior, gone out by regulation first
The opening and closing of liquid mouth valve 111 and the second liquid outlet valve 112 can be such that flushing waste water is quickly arranged by the second liquid outlet valve 112
Go out.2) liquid outlet 11 can connect with the entrance of pit shaft, by adjusting the opening and closing of the first liquid outlet valve 111, realize that control is bored
Well liquid flows into the process of pit shaft under the drive of drilling fluid pump from drilling fluid tank.
Understand that the liquid outlet 11 of the drilling fluid tank shares four, is separately positioned on the bottom of tank body 10, position with reference to Fig. 1 and Fig. 3
Horizontal pipeline in the bottom of tank body 10 shares two, is separately positioned on the both sides of the bottom of tank body 10.It should be noted that in reality
Border in use, the effect of liquid outlet 11 and the quantity and set location of liquid outlet 10 are not limited to above-mentioned example, can root
According to needing to make corresponding adjustment.
And detection mouth 12 can also be opened up on the top of tank body 10, the detection mouth 12 can use process in drilling fluid tank
In, extract internal drilling fluid and be used to detect.And the detection mouth 12 can be also used for setting liquid level detection device, be bored for detecting
Liquid level in well liquid tank, shown as shown in Figure 1, Figure 3 and Figure 4, the detection mouth 12 is located at four vertex on drilling fluid tank top, due to
Drilling fluid stirring system 20 in drilling fluid tank be present, if therefore liquid level detection device be arranged on the middle part of tank body 10, liquid level is vulnerable to
The influence of the drilling fluid stirring system 20, cause level sensing inaccurate.Therefore in the detection of four vertex in the top of tank body 10
The setting liquid level detection devices of mouth 12 can also improve the accuracy of level sensing.
Further, the detection mouth 12 can be additionally used in circulation of drilling fluid flow process, and solid-state is added into tank body 10
Particle or compound, so as to adjust the density of the drilling fluid, viscosity or mobile performance.It should be noted that the detection mouth 12
Effect is not limited to one kind in the example above, in actual use, can flexibly use as needed.
Specifically, the drilling fluid tank includes multiple drilling fluid stirring systems 20, multiple drilling fluid stirring systems 20 with
The central axis of the drilling fluid tank is symmetrical arranged.It can so ensure that the inside of drilling fluid tank tank body 10 is not present and be available for solid granulates
The circulation of drilling fluid dead angle of deposition, solid granulates can be dispersed in drilling fluid to stable and uniform as far as possible.
Further, power set are also included in the drilling fluid tank, the power set can be motor, motor bag
Two clutch ends are included, two clutch ends are connected respectively at the rotating shaft of transfer tube 211 and the first agitating paddle 2211, are used for
Power is provided for transfer tube 211 and mixing part 221.
The drilling fluid tank that the utility model embodiment provides, is internally formed back by liquid reflux assembly 21 in drilling fluid
Stream, the solid granulates for being deposited on bottom impact is come and it is dispersed in drilling fluid, after being scattered by mixing component 22
Solid granulates be uniformly suspended in drilling fluid, prevent that solid granulates are redeposited at drilling fluid tank bottom due to Action of Gravity Field
Portion, the drilling fluid of stable and uniform is provided for the circulation flushing of pit shaft.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (9)
- A kind of 1. drilling fluid tank, it is characterised in that：Including the tank body and drilling fluid stirring system for depositing drilling fluid, the brill Well liquid stirring system includes liquid reflux assembly and mixing component；The liquid reflux assembly includes transfer tube, feed tube and drain pipe, the liquid feeding end of the feed tube and the drain pipe Outlet end be respectively positioned on below the liquid level of the drilling fluid, the outlet end be located at below the liquid feeding end and the close tank body Tank bottom set, the water inlet of the transfer tube connects with the feed tube, the delivery port of the transfer tube and the drain pipe Connection, for the drilling fluid to be sucked by the liquid feeding end, and is sprayed by the outlet end；The mixing component includes being located in the drilling fluid, and for stirring the mixing part of the drilling fluid；The mixing part Including first agitating paddle and at least one second agitating paddle, the gyroaxis of first agitating paddle is vertically, described The gyroaxis of second agitating paddle is vertical with the gyroaxis of first agitating paddle.
- 2. drilling fluid tank according to claim 1, it is characterised in that when second agitating paddle is multiple, described second Agitating paddle is symmetrical arranged around straight central where the gyroaxis of first agitating paddle.
- 3. drilling fluid tank according to claim 2, it is characterised in that the mixing part also includes gear assembly, the tooth Wheel assembly includes a first gear and at least one second gear, and the first gear is with being circular cone in the second gear Gear, the first gear and the second gear are located in the rotating shaft of first agitating paddle and second agitating paddle respectively On；The second gear is intermeshed with the first gear.
- 4. according to the drilling fluid tank described in claim any one of 1-3, it is characterised in that also include being suspended on the drilling fluid tank The bearing housing at top, the bearing housing are set in the rotating shaft of first agitating paddle, first agitating paddle and described second The blade of agitating paddle is extend out in the drilling fluid by the bottom and side wall of the bearing housing respectively；It is close by sealed bearings between the rotating shaft of first agitating paddle and second agitating paddle and the wall of the bearing housing Envelope connection.
- 5. according to the drilling fluid tank described in claim any one of 1-3, it is characterised in that the drain pipe is included vertically The the first drain pipe section and the second horizontally disposed drain pipe section, the first drain pipe section and described second set goes out Liquid pipe section is sequentially communicated, and the first drain pipe section connects with the delivery port of the transfer tube, in the second drain pipe section between Every provided with multiple fluid holes；The second drain pipe section is loop pipe.
- 6. according to the drilling fluid tank described in claim any one of 1-3, it is characterised in that be additionally provided with the drain pipe with it is described First branch pipe of drain pipe connection, first branch pipe are used to discharge the drilling fluid in the tank body, described first The first valve for being opened and closed first branch pipe is additionally provided with the pipeline of pipe.
- 7. according to the drilling fluid tank described in claim any one of 1-3, it is characterised in that be additionally provided with the feed tube with it is described Second branch pipe of feed tube connection, the outlet of second branch pipe and pit shaft, for being inputted into the tank body by described The drilling fluid of pit shaft outflow, the second valve for being opened and closed second branch pipe is additionally provided with the pipeline of second branch pipe Door.
- 8. drilling fluid tank according to claim 7, it is characterised in that the tank body also includes liquid outlet, the liquid outlet Positioned at the tank bottom of the tank body, the liquid outlet connects with the entrance of the pit shaft, for inputting the brill into the pit shaft Well liquid.
- 9. according to the drilling fluid tank described in claim any one of 1-3, it is characterised in that the drilling fluid tank includes multiple described Drilling fluid stirring system, multiple drilling fluid stirring systems are symmetrical arranged with the central axis of the drilling fluid tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720853401.0U CN207092999U (en) | 2017-07-14 | 2017-07-14 | Drilling fluid tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720853401.0U CN207092999U (en) | 2017-07-14 | 2017-07-14 | Drilling fluid tank |
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| Publication Number | Publication Date |
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| CN207092999U true CN207092999U (en) | 2018-03-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140191A (en) * | 2019-12-27 | 2020-05-12 | 四川石油天然气建设工程有限责任公司 | Drilling fluid storage system |
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2017
- 2017-07-14 CN CN201720853401.0U patent/CN207092999U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140191A (en) * | 2019-12-27 | 2020-05-12 | 四川石油天然气建设工程有限责任公司 | Drilling fluid storage system |
| CN111140191B (en) * | 2019-12-27 | 2021-12-03 | 四川石油天然气建设工程有限责任公司 | Drilling fluid storage system |
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