CN203145870U - Energy-saving solid control system - Google Patents
Energy-saving solid control system Download PDFInfo
- Publication number
- CN203145870U CN203145870U CN 201320023686 CN201320023686U CN203145870U CN 203145870 U CN203145870 U CN 203145870U CN 201320023686 CN201320023686 CN 201320023686 CN 201320023686 U CN201320023686 U CN 201320023686U CN 203145870 U CN203145870 U CN 203145870U
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- CN
- China
- Prior art keywords
- solid control
- mud
- solid
- desilter
- centrifuge
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 239000007787 solid Substances 0.000 title claims abstract description 42
- 238000004134 energy conservation Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000004568 cement Substances 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 abstract 1
- 239000007790 solid phase Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 239000002002 slurry Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000084 colloidal system Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 3
- 229910052601 baryte Inorganic materials 0.000 description 3
- 239000010428 baryte Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model discloses an energy-saving solid control system. The original four-level solid control flow is simplified to a two-level solid control flow. On the condition that a plurality of on-site drilling wellsite solid control systems are analyzed closely, an optimized working mode is employed. Number of vibrating screens is increased; a desander and a desilter are integrated into an all-in-one machine; and the desander and the desilter are not needed to integrate with the solid control flow on a general condition. Only for cement formations, the desander and desilter all-in-one machine is needed to integrate with the solid control flow by the solid control systems. The solid control flow is scientifically changed, a big amount of energy is saved, working efficiency is improved, and solid control cost is greatly lowered.
Description
Technical field
The utility model relates to a kind of energy-conservation solid controlling flow process, belongs to solid controlling field, rig well site.
Background technology
The drilling fluid solid controlling is the core of drilling-fluid circulation system, divides according to the solid controlling classification principle, and the processing of drilling fluid and the solid control equipment program of putting are vibrosieve+desander, desilter+centrifuge+big-and-middle discharge capacity centrifuge, belong to the level Four solid controlling.Vibrosieve is the first order tap equipment of solid controlling system, and to have only it be that full overcurrent is handled, so the vibrosieve reliability is very important, the work effect of what solid control equipment and the quality of mud system after the good and bad directly influence of its service behaviour.The service behaviour that vibrosieve is good is exactly that the vibrosieve treating capacity is big, and the spoil disposal smoothness adapts to the use of high order number sieve net, and operate as normal can reach more than 120 orders.Desander is the second level solid control equipment in the solid control equipment, and its operating principle is that the centrifugation of cyclone is mutually compound with the gravity sediment outflow.Mud that desander is handled is the saturating sieve overflow mud of vibrosieve, its processing procedure is not full overcurrent, the slurry transportation operation power is to be provided by the 75KW sand pump, its burble point is that (burble point is the work by separation equipment about 74 μ m, have a kind of particle respectively to account for 50% in underflow and overflow, this granularity point is the burble point of this equipment).The underflow of desander can also carry out mud veclamation through cleaner.Desilter is the third level solid control equipment in the solid control equipment, its operating principle is the same with desander, it is the working range difference, mud that desilter is handled is desander overflow mud, its processing procedure is overcurrent entirely, the slurry transportation operation power is to be provided by the 75KW sand pump, and its burble point is about 74 μ m, and the underflow of desilter can also carry out mud veclamation through cleaner.Centrifuge is the fourth stage solid control equipment in the solid control equipment, its mud of handling is desilter overflow mud, its operating principle is that bowl rotates at a high speed, under action of centrifugal force, make solid phase in the mud by the granular size gradient sedimentation, there is the differential spiral propeller to separate with rotary drum the corresponding bulky grain solid phase of sedimentation is released, Here it is underflow.The mud mother liquor of clear matter is back in the jar overflow that Here it is.The burble point middling speed of centrifuge is 1 one 5 μ m.Low speed is 10 1 15 μ m.The operating efficiency of centrifuge is than higher.Through the investigation and analysis at our scene, a plurality of well site, statistics result is: vibrosieve: installation rate 100%, and utilization rate 100%, rate 96% working properly reaches 100 high eye mesh screen utilization rates 82%.Desander: installation rate 100%, utilization rate 41%, rate 8.5% working properly.Desilter: installation rate 94%, utilization rate: 33%, rate 5.7% working properly.Centrifuge: (middling speed), installation rate 100%, utilization rate (non-weighted mud) 97%, utilization rate (weighted mud) 7.7%, rate 94% working properly.Centrifuge (at a high speed): installation rate 0%.By Field Research, obtain as drawing a conclusion.1) vibrosieve uses relatively goodly, can use the ratio of high eye mesh screen higher, but this is not overall process, especially 1 opens when opening with 2 that pulping is very serious in earlier stage, and major part can only be used 40-80 orders.2) desander, desilter result of use are very poor, and vibrosieve uses desander behind 100 eye mesh screens, desilter to go out material hardly, and especially 1 open when opening with 2 that early stage, pulping was very serious, and the operate as normal rate is very low again.3) centrifuge result of use in non-weighted mud system is fine, but can't use in the weighted mud system, because the barite that increases the weight of, Iron Ore Powder was discharged by a large amount of the separation, had destroyed the weighted mud system.
The utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, shows by field trial repeatedly, adopts the novel two-stage solid controlling system of being made up of high-efficiency vibration sieve+frequency conversion centrifuge, can save desander and desilter, and energy-saving effect is obvious.Also can adopt the classified filtering technology, thoroughly change existing solid controlling system, also can save equipment such as desander and desilter, simplify solid controlling system greatly, alleviate drilling team's generator load, optimize the slurry tank configuration, reduce transition slurry tank quantity, increase conservation tank quantity, thereby obviously improve solid controlling efficient, shorten the processing time, increase the safety of drilling well.New technology can provide a kind of mud that makes can keep density and viscosity to reduce greatly, make centrifuge play the effect of secrecy viscosity reduction degree, when saving the mud cost significantly, guarantee the control to the mud system performance, can also reduce the energy consumption of solid controlling process greatly.
The purpose of this utility model is achieved through the following technical solutions: level Four solid controlling that need not be original but adopt the secondary solid controlling: i.e. vibrosieve+centrifuge, be equipped with four or five vibrosieves, join desanding desilter all-in-one on last vibrosieve, next join a 40-50m
3The mid-speed centrifuge of/h and a 40-50m
3/ h supercentrifuge.First point of this scheme is under the normal condition, can start three or four vibrosieves simultaneously, a standby vibrosieve.Guarantee under the normal condition that vibrating screen mesh order number reaches more than 120 orders, it is a kind of standby, normally no that desanding, desilter all-in-one use when just conduct runs into the clay stratum.Centrifuge is mainly used in except solid phase in the lightweight mud, by principle processing in turn, the workflow of centrifuge is that mud after vibrosieve is handled is as the slurry that advances of the big discharge capacity centrifuge of middling speed, the big discharge capacity centrifuge of middling speed processing amount is 40 1 50m3/h, burble point 10 1 20 μ m, it can go oarse-grained harmful solid phase from the underflow opening eliminating, and the overflow after the desanding is got back in the jar.In the weighted mud, when mud viscosity very big, and density is when moderate or on the low side, and ultra-fine solid phase and colloid solid concentration of this explanation mud are too high, and this granularity is about 2 μ m, therefore, need the underflow of the big discharge capacity centrifuge of middling speed be reclaimed, its underflow major part is barite and Iron Ore Powder, is conducive to guarantee density, and the flooding point major part is ultra-fine solid phase and colloid solid phase, must handle.Can be with its slurry that spouts as supercentrifuge, the burble point of supercentrifuge is 1 one 5 μ m.Therefore, can be with its colloid solid phase after the supercentrifuge work, the underflow stream of superfine solid phase is discharged to outside the jar, and the synthetic premium mud lightweight that will contain water and medicine overflows back to flow to dilute in the mid-speed centrifuge underflow recovery bin and joins slurry, mud system just can keep mud density and viscosity to reduce greatly, make centrifuge play the effect of secrecy viscosity reduction degree, when saving the mud cost significantly, guarantee the control to weighted mud system performance, can also reduce the energy consumption of solid controlling process greatly.
The beneficial effects of the utility model are:
1) increase of the utility model high-efficiency vibration sieve quantity has significantly improved treating capacity, thereby can overall process use high order number sieve net (more than 100 orders), makes the control in early stage of mud system that guarantee arranged.
2) the utility model normal conditions stop the power consumption that the use of desanding desilt all-in-one will be saved 55KW*2=110KW.
3) use of the big discharge capacity centrifuge of the utility model high speed can be controlled the solid concentration of non-weighted mud, guarantees density and the viscosity of mud.
4) being used of the big discharge capacity centrifuge of the utility model high speed can effectively be controlled density and the viscosity of weighted mud.
5) technical solutions of the utility model can be saved a large amount of mud medicines, reduce drilling cost.
Description of drawings
Fig. 1 is old process flow diagram;
Fig. 2 is the utility model process flow diagram;
Among the figure: 1 pipeline, 2 vibrosieves, 3 desanders, 4 desilters/drilling fluid cleaner, 5 displacement pumps, 6 centrifuges, 7 borehole pump suction tanks, 8 bleed off pipes, 9 remove drilling fluid place pump;
10 drilling fluids, 11 desanding desilter all-in-ones, 12 pumps, 13 deposit storehouses, 14 mid-speed centrifuges, 15 supercentrifuges, 16 remove the drilling well mouth.
The specific embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is described in further detail, as shown in Figure 2, level Four solid controlling that need not be original but adopt novel secondary solid controlling: i.e. vibrosieve+centrifuge, be equipped with four or five high performance vibrosieves, join desanding desilter all-in-one on last vibrosieve, next join 40 1 50m
340 1 50m of the big discharge capacity centrifuge of the middling speed of/h
3/ h supercentrifuge.First point of this scheme is under the normal condition, can start three or four vibrosieves simultaneously, a standby vibrosieve.Guarantee under the normal condition that vibrating screen mesh order number reaches more than 120 orders, it is a kind of standby, normally no that desanding, desilter all-in-one use when just conduct runs into the clay stratum.Centrifuge is mainly used in except solid phase in the lightweight mud, by principle processing in turn, the workflow of centrifuge is that mud after vibrosieve is handled is as the slurry that advances of the big discharge capacity centrifuge of middling speed, the big discharge capacity centrifuge of middling speed processing amount is 40 1 50m3/h, burble point 10 1 20 μ m, it can go oarse-grained harmful solid phase from the underflow opening eliminating, and the overflow after the desanding is got back in the jar.In the weighted mud, when mud viscosity very big, and density is when moderate or on the low side, and ultra-fine solid phase and colloid solid concentration of this explanation mud are too high, and this granularity is about 2 μ m, therefore, need the underflow of the big discharge capacity centrifuge of middling speed be reclaimed, its underflow major part is barite and Iron Ore Powder, is conducive to guarantee density, and the flooding point major part is ultra-fine solid phase and colloid solid phase, must handle.Can be with its slurry that spouts as supercentrifuge, the burble point of supercentrifuge is 1 one 5 μ m.Therefore, can be with its colloid solid phase after the supercentrifuge work, the underflow stream of superfine solid phase is discharged to outside the jar, and the synthetic premium mud lightweight that will contain water and medicine overflows back to flow to dilute in the mid-speed centrifuge underflow recovery bin and joins slurry, mud system just can keep mud density and viscosity to reduce greatly, make centrifuge play the effect of secrecy viscosity reduction degree, when saving the mud cost significantly, guarantee the control to weighted mud system performance, can also reduce the energy consumption of solid controlling process greatly.The benefit of bringing like this is: 1) increase of high-efficiency vibration sieve quantity has significantly improved treating capacity, thereby can overall process use high order number sieve net (more than 100 orders), makes the control in early stage of mud system that guarantee arranged.2) normal conditions stop the power consumption that the use of desanding desilt all-in-one will be saved 55KW*2=110KW.3) use of the big discharge capacity centrifuge of high speed can be controlled the solid concentration of non-weighted mud, guarantees density and the viscosity of mud.4) being used of the big discharge capacity centrifuge of high speed can effectively be controlled density and the viscosity of weighted mud.5) above scheme can be saved a large amount of mud medicines, reduces drilling cost.6) and Fig. 1 comparison since whole transmission distance lacked a lot, treatment effeciency is greatly improved, and is subjected to site operation personnel's welcome.
Claims (1)
1. energy-conservation solid controlling system is characterized in that: adopt the secondary solid controlling: i.e. vibrosieve+centrifuge, be equipped with four or five vibrosieves, and join desanding desilter all-in-one on last vibrosieve, next join a 40-50m
3The mid-speed centrifuge of/h and a 40-50m
3/ h supercentrifuge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320023686 CN203145870U (en) | 2013-01-17 | 2013-01-17 | Energy-saving solid control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320023686 CN203145870U (en) | 2013-01-17 | 2013-01-17 | Energy-saving solid control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203145870U true CN203145870U (en) | 2013-08-21 |
Family
ID=48973406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320023686 Withdrawn - After Issue CN203145870U (en) | 2013-01-17 | 2013-01-17 | Energy-saving solid control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203145870U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912503A (en) * | 2015-05-12 | 2015-09-16 | 郭丹阳 | New technology of environment-friendly drilling fluid circulation purification system |
| CN105156049A (en) * | 2015-08-31 | 2015-12-16 | 中国石油集团渤海石油装备制造有限公司 | Centrifuge device used for recycling barite and application method of centrifuge device |
| CN104265214B (en) * | 2014-08-04 | 2017-02-22 | 田立杰 | Landing-free automatic recovering and processing device for drill cuttings and waste liquid |
| CN107420057A (en) * | 2017-08-31 | 2017-12-01 | 西南石油大学 | Intelligent micro-filtration solid controlling system |
-
2013
- 2013-01-17 CN CN 201320023686 patent/CN203145870U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265214B (en) * | 2014-08-04 | 2017-02-22 | 田立杰 | Landing-free automatic recovering and processing device for drill cuttings and waste liquid |
| CN104912503A (en) * | 2015-05-12 | 2015-09-16 | 郭丹阳 | New technology of environment-friendly drilling fluid circulation purification system |
| CN105156049A (en) * | 2015-08-31 | 2015-12-16 | 中国石油集团渤海石油装备制造有限公司 | Centrifuge device used for recycling barite and application method of centrifuge device |
| CN105156049B (en) * | 2015-08-31 | 2017-08-08 | 中国石油集团渤海石油装备制造有限公司 | A kind of centrifuge apparatus and its application method for being used to reclaim barite |
| CN107420057A (en) * | 2017-08-31 | 2017-12-01 | 西南石油大学 | Intelligent micro-filtration solid controlling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20160706 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |