CN205936460U - Slurry treatment system - Google Patents

Abstract

The utility model provides a slurry treatment system, include: well head equipment, screening plant, screening plant is linked together with well head equipment, and screening plant is used for sieving mud, mixing stirring device, mixing stirring device set up between well head equipment and screening plant with to carrying out shearing stirring by well head equipment to the mud that screening plant flows. The utility model provides a slurry treatment system among the prior art can't improve the problem of the slip fluidity that flows in screening plant effectively.

Description

Mud disposal system

Technical field

The utility model is related to oil gas drilling and production technology field, in particular to a kind of mud disposal system.

Background technology

During the normal drilling operability in oil field, have mud and return row, in mud, contain substantial amounts of landwaste, located underground Mud return through annular space and be discharged at wellhead equipment, enter mud disposal system afterwards, the gravity flow of mud wellhead equipment enters screening Device, after the screening of screening plant, a part of cutting grain in mud is separated with slurries, the cutting grain quilt after separating Collection is processed, and the slurry liquid after separating goes successively to the subsequent cycle of mud disposal system.

Because the component ratio that the mud of discharge is returned in underground is not fixed, when the clay in stratum together returns discharge with mud When, the viscosity of mud can increase, and the mobility of mud is deteriorated, and mud is exposed for a long time or even can become bulk, existing mud Processing system cannot be improved effectively to the mobility of mud, and the larger mud of viscosity can block sieve after reaching screening plant The screen cloth of separating device, the bulk landwaste in mud and slurry liquid cannot be effectively separated, thus reducing the sieve of screening plant Component efficiency, when the mesh of screen cloth is blocked in a large number, mud accumulates in screening plant and " running pulp " phenomenon, not only causes The pollution of environment, has also had a strong impact on the functional reliability of mud disposal system.

Utility model content

Main purpose of the present utility model is to provide a kind of mud disposal system, to solve at mud of the prior art Reason system cannot effectively improve the problem of the slip fluidity flowing into screening plant.

To achieve these goals, the utility model provides a kind of mud disposal system, including：Wellhead equipment；Screening Device, screening plant is connected with wellhead equipment, and screening plant is used for mud is sieved；Mixed stirring device, mixing is stirred Mix device to be arranged between wellhead equipment and screening plant to shear to the mud being flowed to screening plant from wellhead equipment Stirring.

Further, mud disposal system also includes first connecting portion, and wellhead equipment is stirred with mixing by first connecting portion Mix device connection.

Further, first connecting portion is connecting tube or link slot.

Further, mud disposal system also includes air mix facilities, and air mix facilities is connected with mixed stirring device with to mixed The mud closing in agitating device carries out moisturizing dilution.

Further, mixed stirring device includes：Receiving portion, receiving portion has accommodating chamber, and receiving portion also has feed liquor knot Structure and go out liquid structure, feed liquor structure is connected with wellhead equipment, goes out liquid structure and connects with screening plant；Mixing part, mixing part is extremely A few part is arranged in accommodating chamber to carry out shear agitation to the mud in accommodating chamber.

Further, the height of feed liquor structure is more than or equal to the height of liquid structure.

Further, mixing part includes：Puddler；Shearing oar, shearing oar is arranged on puddler, and shearing oar is located at In accommodating chamber, shearing oar is multiple, and multiple shearing oars are along the axially spaced-apart setting of puddler.

Further, shearing oar has multiple shearing blades, multiple shearing blade being provided at circumferentially spaced around puddler, and It is arranged in parallel between the shear surface of two neighboring shearing blade or the setting in angle.

Further, the first end of puddler is located in accommodating chamber, and mixing part also includes perturbations, and perturbations are arranged First end in puddler.

Further, perturbations have many disturbing rods, and the first end of each disturbing rod is all connected with puddler, each disturbance Second end of bar is stretched out towards the bottom of receiving portion.

Further, the second end of puddler is protruding by accommodating chamber, and mixing part also includes motor, motor The second end being arranged on puddler is to drive puddler to rotate.

Further, mixed stirring device is stirring pool or agitator tank.

Further, screening plant is vibratory sieve.

Application the technical solution of the utility model, by setting between the wellhead equipment and screening plant of mud disposal system Put mixed stirring device, so that mud can flow through mixed stirring device before entering screening plant, mixed stirring device can Effectively shear agitation is carried out to its mud of entrance, the mobility of mud is improved effectively.At mud of the present utility model Reason system is sufficiently used mud and has thixotropic feature, reduces the viscosity of mud, improves the mobility of mud, has Avoid to effect the mud blocking screen cloth flowing into screening plant it is ensured that screening plant successfully sieves to mud, and then Improve the functional reliability of whole mud disposal system.

Brief description

The Figure of description constituting the part of the application is used for providing further understanding to of the present utility model, this practicality New schematic description and description is used for explaining the utility model, does not constitute to improper restriction of the present utility model. In the accompanying drawings：

Fig. 1 shows according to a kind of schematic flow sheet of the mud disposal system of alternative embodiment of the present utility model；

Fig. 2 shows the position of wellhead equipment, mixed stirring device and the mixed stirring device of the mud disposal system in Fig. 1 Put graph of a relation；

Fig. 3 shows the structural representation of the mixed stirring device of the mud disposal system in Fig. 1.

Wherein, above-mentioned accompanying drawing includes the following drawings mark：

10th, wellhead equipment；20th, screening plant；30th, mixed stirring device；31st, pedestal；32nd, receiving portion；321st, accommodating chamber； 322nd, feed liquor structure；323rd, go out liquid structure；33rd, mixing part；331st, puddler；332nd, shear oar；333rd, perturbations；334th, drive Dynamic motor；3321st, shearing blade；3331st, disturbing rod；40th, first connecting portion；50th, landwaste pond；60th, mud pool unit；61st, One mud pit；62nd, the second mud pit；63rd, the 3rd mud pit；64th, the 4th mud pit；65th, the 5th mud pit；71st, the first mud Pump；72nd, the second sludge pump；73rd, degassing pump；74th, charging pump；75th, slush pump；70th, pumping unit；80th, desander；90th, desilt Device；100th, deaerator；110th, pressure duct；120th, drill string；130th, drill bit.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of the utility model rather than whole Embodiment.Description only actually at least one exemplary embodiment is illustrative below, never as to this practicality Any restriction that is new and its applying or use.Based on the embodiment in the utility model, those of ordinary skill in the art are not having There is the every other embodiment being obtained under the premise of making creative work, broadly fall into the scope of the utility model protection.

It should be noted that term used herein above is merely to describe specific embodiment, and it is not intended to restricted root Illustrative embodiments according to the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to including plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, assembly and/or combinations thereof.

Unless specifically stated otherwise, the part otherwise illustrating in these embodiments and positioned opposite, the digital table of step Reach formula and numerical value does not limit scope of the present utility model.Simultaneously it should be appreciated that for the ease of description, each shown in accompanying drawing The size of individual part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant Art, method and apparatus may be not discussed in detail, but in the appropriate case, described technology, method and apparatus should be considered to award A part for power specification.In all examples with discussion shown here, any occurrence should be construed as merely example Property, not as restriction.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar Label and letter in following accompanying drawing represent similar terms, therefore, once being defined in a certain Xiang Yi accompanying drawing, then with Do not need in accompanying drawing afterwards it is further discussed.

It is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, in description of the present utility model Vertically, vertically the orientation indicated by, level " and " top, bottom " etc. or position relationship are normally based on orientation shown in the drawings or position Put relation, be for only for ease of description the utility model and simplify description, in the case of illustrating on the contrary, these nouns of locality Do not indicate that and imply the device of indication or element must have specific orientation or with specific azimuth configuration and operation, because This is it is not intended that restriction to the utility model protection domain；The noun of locality " inside and outside " refers to respect to each part wheel of itself Wide is inside and outside.

For the ease of description, space relative terms can be used here, such as " ... on ", " ... top ", " in ... upper surface ", " above " etc., for describing as a device shown in the figure or feature and other devices or spy The spatial relation levied.It should be appreciated that space relative terms be intended to comprise except device in figure described by orientation Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices Part or construction above " or " other devices or construction on " device after will be positioned as " other devices or construction under Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and " in ... lower section " two kinds of orientation.This device can also position (ratating 90 degrees or be in other orientation) by other different modes, and And respective explanations are made to space used herein above description relatively.

Furthermore, it is necessary to explanation, limit parts using the word such as " first ", " second ", it is only for be easy to Corresponding parts are distinguished, such as be there is no Stated otherwise, above-mentioned word does not have particular meaning, therefore it is not intended that to this The restriction of utility model protection scope.

The mud flowing into screening plant 20 cannot be effectively improved to solve mud disposal system of the prior art The problem of mobility, the utility model provides a kind of mud disposal system.

As depicted in figs. 1 and 2, mud disposal system, including wellhead equipment 10, screening plant 20 and mixed stirring device 30；Screening plant 20 is connected with wellhead equipment 10, and screening plant 20 is used for mud is sieved, and mixed stirring device 30 sets Put between wellhead equipment 10 and screening plant 20 to shear to the mud being flowed to screening plant 20 from wellhead equipment 10 Stirring.

By arranging mixed stirring device 30 between the wellhead equipment 10 and screening plant 20 of mud disposal system, thus Make mud can flow through mixed stirring device 30 before entering screening plant 20, mixed stirring device 30 can be effectively to entering it Mud carry out shear agitation, the mobility of mud is improved effectively.The abundant land productivity of mud disposal system of the present utility model With mud, there is thixotropic feature, reduce the viscosity of mud, improve the mobility of mud, efficiently avoid inflow The mud blocking screen cloth of screening plant 20 is it is ensured that screening plant 20 successfully sieves to mud, and then improves whole The functional reliability of mud disposal system.

Alternatively, the distance between mixed stirring device 30 and screening plant 20 less than or equal to mixed stirring device 30 with The distance between wellhead equipment 10.In such manner, it is possible to make mud keep " Weak Gels " shape before entering screening plant 20, to ensure The solid-carrying performance of mud, so that mud can take shaft bottom as much as possible landwaste at screening plant 20 to, and avoids landwaste Precipitate during mud flowing.

As shown in Fig. 2 in order to ensure that mud stably flows from wellhead equipment 10 to mixed stirring device 30, mud conditioning System also includes first connecting portion 40, and wellhead equipment 10 is connected with mixed stirring device 30 by first connecting portion 40.

Alternatively, first connecting portion 40 is connecting tube or link slot.Wherein, using connecting tube it can be avoided that mud and air Contact and make the water loss in mud cause slip fluidity poor, be easy to first connecting portion 40 is cleaned using link slot.

Optionally, of course, also can be connected by connecting tube or link slot between mixed stirring device 30 and screening plant 20 Connect.

In an alternative embodiment (not shown) of the present utility model, mud disposal system also includes air mix facilities, dilute Release device is connected with mixed stirring device 30 to carry out moisturizing dilution to the mud in mixed stirring device 30.So, further Mud in mixed stirring device 30 is diluted, ensure that mud in mixed stirring device 30 stably, successfully Flow into screening plant 20.

As shown in figure 3, mixed stirring device 30 includes receiving portion 32 and mixing part 33, receiving portion 32 has accommodating chamber 321, Receiving portion 32 also has feed liquor structure 322 and goes out liquid structure 323, and feed liquor structure 322 is connected with wellhead equipment 10, goes out liquid structure 323 are connected with screening plant 20, and at least a portion of mixing part 33 is arranged in accommodating chamber 321 with to the mud in accommodating chamber 321 Slurry carries out shear agitation.So, mixing part 33 carries out high speed shear to the mud flowing into accommodating chamber 321 by feed liquor structure 322, Reduce the viscosity of mud, improve the mobility of mud, the mud being diluted afterwards enters screening dress by going out liquid structure 323 Put 20, thus the screen cloth avoiding screening plant 20 is blocked, and then ensure that whole mud disposal system stably works.

Alternatively, feed liquor structure 322 is feed tube, and going out liquid structure 323 is drain pipe.

Still optionally further, stably flow in and out mixed stirring device 30 to ensure mud, feed tube and go out liquid Pipe is rounded or square, in order to maintain the mud amount flowing into mixed stirring device 30 in the same time and flow out mixed stirring device The tube chamber sectional area of the balance of 30 mud amount, feed tube and drain pipe is equal.

Alternatively, the gravity of itself is relied on just can to flow through mixed stirring device 30 to save at mud in order to realize mud The power consumption of reason system, the height of feed liquor structure 322 is more than or equal to the height of liquid structure 323.

As shown in figure 3, mixing part 33 includes puddler 331 and shearing oar 332, shearing oar 332 is arranged on puddler 331 On, and shear oar 332 positioned in accommodating chamber 321, shearing oar 332 is multiple, and multiple shearing oars 332 are along the axle of puddler 331 To interval setting.So, make the mud of accommodating chamber 321 positioned at mixed stirring device 30 in the short transverse of accommodating chamber 321 Position is by fully shear agitation, thus improve the disposal ability to mud for the mixed stirring device 30.

Alternatively, shearing oar 332 has multiple shearing blades 3321, and multiple shearing blades 3321 are around the week of puddler 331 Arrange to be arrangeding in parallel between interval setting, and the shear surface of two neighboring shearing blade 3321 or in angle.So, work as shearing During oar 332 high-speed rotation carries out shear agitation to mud, mud can not only be made around the circumferential movement of accommodating chamber 321, Mud can also be made to move up and down along the short transverse of accommodating chamber 321, after mud sufficient movement, the mud containing in mud and the ratio of water Example is allocated uniformly, so that the mobility of mud is improved effectively.

As shown in figure 3, the first end of puddler 331 is located in accommodating chamber 321, mixing part 33 also includes perturbations 333, Perturbations 333 are arranged on the first end of puddler 331.So, can be to being sunken to accommodating chamber 321 bottom by perturbations 333 The larger landwaste of weight or impurity particle carry out fully disturbance, the larger landwaste of weight or impurity particle are disturbed knob The effect of power can suspend rising it can be seen that, due to being provided with perturbations 333, improve the work of mixed stirring device 30 Ability.

As shown in figure 3, for the disturbance effect strengthening perturbations 333, perturbations 333 have many disturbing rods 3331, the first end of each disturbing rod 3331 is all connected with puddler 331, and the second end of each disturbing rod 3331 is towards receiving portion 32 Bottom is stretched out.

As shown in figure 3, in order to ensure that puddler 331 stably rotates, the second end of puddler 331 from accommodating chamber 321 to Overhang, mixing part 33 also includes motor 334, motor 334 is arranged on the second end of puddler 331 to drive stirring Bar 331 rotates.

Alternatively, mixed stirring device 30 is stirring pool or agitator tank.

Mixed stirring device 30 in alternative embodiment shown in Fig. 3 of the present utility model is agitator tank, in order to improve The stability of strutting system of mixed stirring device 30, mixed stirring device 30 also includes pedestal 31.

Alternatively, pedestal 31 is leg structure.

Preferably, screening plant 20 is vibratory sieve.

As shown in figure 1, mud disposal system also includes mud pool unit 60, mud pool unit 60 includes being arranged in series One mud pit 61, the second mud pit 62, the 3rd mud pit 63, the 4th mud pit 64 and the 5th mud pit 65.

When mud carries out preliminary screening operation at screening plant 20, the landwaste screening out is collected in landwaste pond 50 Row collection is processed.Preliminary sieve after mud flow into successively the first mud pit 61, the second mud pit 62, the 3rd mud pit 63, the Four mud pits 64 and the 5th mud pit 65, wherein, the mud in the first mud pit 61 is pumped to desander by the first sludge pump 71 80 carry out regrading operation, and the silt that regrading goes out is discharged into landwaste pond 50, and the mud that regrading goes out enters the second mud Stock tank 62, the mud in the second mud pit 62 is pumped to desilter 90 by the second sludge pump 72 and carries out three screening operations, three times The silt screening out is discharged into landwaste pond 50, and the mud that three times screen out enters the 3rd mud pit 63 entrance the 4th mud that flows automatically Pond 64；Remove the gas in the 4th mud pit 64 by degassing pump 73 and deaerator 100, the mud gravity flow in the 4th mud pit 64 After entering the 5th mud pit 65, drill string 120 is pumped to by pressure duct 110 by slush pump 75, eventually arrives at drill bit 130 Returned by annular space afterwards and drain into wellhead equipment 10 and complete a cyclic process.

Wherein, slush pump 75 carries out upper water by charging pump 74.First sludge pump 71, the second sludge pump 72, degassing pump 73, Charging pump 74 and slush pump 75 together constitute the pumping unit 70 of mud disposal system.

As can be seen from the above description, the utility model the above embodiments achieve following technique effect：

1st, improve vibratory sieve solid-liquid separation efficiency, oil drilling " running pulp " problem for a long time can be solved at all；

2nd, mixed stirring device 30 of the present utility model is easy to integral hoisting during drilling team's resettlement.

It should be noted that term used herein above is merely to describe specific embodiment, and it is not intended to restricted root Illustrative embodiments according to the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to including plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, work, device, assembly and/or combinations thereof.

It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, " Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that such use Data can exchange in the appropriate case, so that presently filed embodiment described herein can be with except illustrating here Or the order enforcement beyond those of description.

The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.All of the present utility model spirit and principle Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.

Claims (13)

1. a kind of mud disposal system is it is characterised in that include：

Wellhead equipment (10)；

Screening plant (20), described screening plant (20) is connected with described wellhead equipment (10), and described screening plant (20) is used In sieving to mud；

Mixed stirring device (30), described mixed stirring device (30) is arranged on described wellhead equipment (10) and described screening plant (20) so that shear agitation is carried out to the mud being flowed to described screening plant (20) from described wellhead equipment (10) between.

2. mud disposal system according to claim 1 is it is characterised in that described mud disposal system also includes first even Socket part (40), described wellhead equipment (10) is connected with described mixed stirring device (30) by described first connecting portion (40).

3. mud disposal system according to claim 2 it is characterised in that described first connecting portion (40) be connecting tube or Link slot.

4. mud disposal system according to claim 1 is it is characterised in that described mud disposal system also includes dilution dress Put, described air mix facilities is connected with described mixed stirring device (30) with to the described mud in described mixed stirring device (30) Carry out moisturizing dilution.

5. mud disposal system according to claim 1 is it is characterised in that described mixed stirring device (30) includes：

Receiving portion (32), described accommodation section (32) have accommodating chamber (321), and described accommodation section (32) also have feed liquor structure (322) and go out liquid structure (323), described feed liquor structure (322) is connected with described wellhead equipment (10), described go out liquid structure (323) connect with described screening plant (20)；

Mixing part (33), at least a portion of described mixing part (33) is arranged in described accommodating chamber (321) with to described receiving Mud in chamber (321) carries out shear agitation.

6. mud disposal system according to claim 5 is it is characterised in that the height of described feed liquor structure (322) is more than Or be equal to described go out liquid structure (323) height.

7. mud disposal system according to claim 5 is it is characterised in that described mixing part (33) include：

Puddler (331)；

Shearing oar (332), described shearing oar (332) is arranged on described puddler (331), and described shearing oar (332) is located at In described accommodating chamber (321), described shearing oar (332) is multiple, and multiple described shearings oar (332) are along described puddler (331) axially spaced-apart setting.

8. mud disposal system according to claim 7 is it is characterised in that described shearing oar (332) has multiple shearings Blade (3321), multiple described shearing blade (3321) being provided at circumferentially spaced around described puddler (331), and two neighboring institute It is arranged in parallel between the shear surface stating shearing blade (3321) or the setting in angle.

9. mud disposal system according to claim 7 is it is characterised in that the first end of described puddler (331) is located at In described accommodating chamber (321), described mixing part (33) also includes perturbations (333), and described perturbations (333) are arranged on institute State the first end of puddler (331).

10. mud disposal system according to claim 9 is it is characterised in that described perturbations (333) have many disturbs Lever (3331), the first end of each described disturbing rod (3331) is all connected with described puddler (331), each described disturbing rod (3331) the second end is stretched out towards the bottom of described accommodation section (32).

11. mud disposal systems according to claim 9 are it is characterised in that the second end of described puddler (331) is by institute State accommodating chamber (321) protruding, described mixing part (33) also includes motor (334), described motor (334) setting At the second end of described puddler (331) to drive described puddler (331) to rotate.

12. mud disposal systems according to any one of claim 5 to 11 are it is characterised in that described mix and blend fills Putting (30) is stirring pool or agitator tank.

13. mud disposal systems according to claim 1 are it is characterised in that described screening plant (20) is vibratory sieve.