CN104912503A - New technology of environment-friendly drilling fluid circulation purification system - Google Patents
New technology of environment-friendly drilling fluid circulation purification system Download PDFInfo
- Publication number
- CN104912503A CN104912503A CN201510236563.5A CN201510236563A CN104912503A CN 104912503 A CN104912503 A CN 104912503A CN 201510236563 A CN201510236563 A CN 201510236563A CN 104912503 A CN104912503 A CN 104912503A
- Authority
- CN
- China
- Prior art keywords
- drilling fluid
- horizontal screw
- new technology
- screw centrifuge
- cleaning system
- Prior art date
- 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.)
- Pending
Links
Landscapes
- Centrifugal Separators (AREA)
Abstract
The invention discloses a new technology of an environment-friendly drilling fluid circulation purification system, which comprises the steps that a drilling fluid is fed into a well; the drilling fluid carrying rock debris returns from a well mouth, and then passes through a vibrating screen in an overflowing manner to allow the rock debris with different solid phase particle sizes to be separated; the rock debris with the larger solid phase particle size are screened out; the liquid phase drilling fluid after sedimentation enters a rough horizontal screw centrifugal machine and a fine horizontal screw centrifugal machine sequentially, and then is subjected to chemical treatment; and the qualified drilling fluid then is conveyed to the well again and recycled. The drilling fluid treatment flow technology of the new technology comprises the vibrating screen, a double-group horizontal screw centrifugal machine and a single horizontal screw centrifugal machine, while the conventional flow technology generally comprises the vibrating screen, sedimentation, sand removal, desilting, and the horizontal screw centrifugal machine. The new technology omits a hydrocyclone, still can achieve a drilling fluid rock debris removal effect, saves the investment and improves the efficiency.
Description
Technical field
The invention belongs to petroleum drilling technology field, be specifically related to a kind of environment protection-type circulation of drilling fluid cleaning system new technology.
Background technology
In oilfield drilling, need solidification control system for well drilling liguid.What the technological process of the supporting a whole set of solid controlling system of current solid controlling system technological process and solid control equipment should meet 4 grades of solids control (screening-desanding-desilt-centrifugal) of drilling fluid and drilling fluid increases the weight of requirement.The optimization of solid control equipment is supporting extremely important, and the treating capacity of solid control equipment 1-4 level should be mated mutually, and the spacing of partition size is suitable, has certain overlap, the incomplete comparatively granule of upper level solid control equipment process still can be processed in next stage solid control equipment.
Drilling fluid vibrating sieve be at first, the solid control equipment that the fastest, peak discharge removes drilling cuttings, be also the 1st grade for the treatment of facility of drilling well indispensability.The technical level of drilling fluid vibrating sieve is mainly reflected in the aspects such as disposal ability (treating capacity and separating particles), the reliability worked, the length in life-span and convenient operating maintenance.Therefore, want attentional selection with the drilling fluid vibrating sieve of this kind of structure when selecting drilling fluid vibrating sieve.In addition, when selecting drilling fluid vibrating sieve, except selecting suitable screen cloth according to solid particle size distribution, another key factor also should considered is the permit process amount of screen cloth, and the disposal ability of drilling fluid vibrating sieve adapts to the maximum pump discharge in drilling process.Affecting drilling fluid vibrating sieve goes out outside the kinematic parameter of self, also has the distribution of the type of rig, density, viscosity, solid phase particles and content, screen mesh size etc., in order to meet the requirement of huge discharge, sometimes needs the parallel connection of 2-4 platform drilling fluid vibrating sieve to use.
The use of cyclone, cyclone and desander and desilter.The quality index mainly abrasion resistance of cyclone, the performance of cyclone mainly partition size and D50, D50 lower, the separating effect of cyclone is better.The configuration of desander, desilter will being noted, separating particles scope should have certain spacing, has certain overlap again.By criteria for classification and the partition size of water conservancy cyclone, the internal diameter of cylinder spiral case is Φ 150-300mm, and partition size is that the water conservancy cyclone of 74-44 μm is drilling fluid desander; The internal diameter of cylinder spiral case is Φ 100-150, and partition size is the water conservancy cyclone of 44-15 μm is desilter.Current cyclone hydraulic separators Problems existing, 1, active ingredient runs off and can reach at most the several times needing reject to be harmful to solid phase, and greatly add the workload of follow-up landwaste solidification, 2, consumed power is large, 3, operational reliability is low by easily going wrong.
Summary of the invention
It is a kind of environment protection-type circulation of drilling fluid cleaning system new technology that the present invention deals with problems, and this technique eliminates cyclone, and can also reach drilling fluid except landwaste effect, reduces investment outlay, raises the efficiency, and considerably reduces landwaste solidification workload simultaneously.
The technical solution adopted in the present invention is: a kind of environment protection-type circulation of drilling fluid cleaning system new technology, this processing step is: drilling fluid is squeezed into down-hole, after the drilling fluid of cutting carring returns out from well head, first full mistake flows through vibrosieve and is separated by landwaste different for solid particle size, the landwaste that solid particle size is larger is sifted out, liquid phase drilling fluid after sedimentation enters thick horizontal screw centrifuge, smart horizontal screw centrifuge successively, drilling fluid after herein is again transported in well after chemical treatment is qualified again, reuses.
As a modification of the present invention: described vibrosieve, the quantity of the supporting drilling fluid drilling fluid liquid vibrosieve required for selecting according to the performance of drilling fluid liquid is 3-4 platform, and screen mesh size is 80-200 order.
As another improvement of the present invention: described thick horizontal screw centrifuge adopts speed change two group drum centrifuge, and described smart horizontal screw centrifuge is supercentrifuge, and the two solid-phase outlet is in parallel, exports as three-way valve can solidify or recycle.
As another improvement of the present invention: the flow container supporting described thick horizontal screw centrifuge and smart horizontal screw centrifuge is side matrix.
A kind of Deal With Drilling Fluid flow process of the present invention involving vibrations sieve, two groups of horizontal screw centrifuges, single horizontal screw centrifuges, and old process technique is generally vibrosieve, sedimentation, desanding, desilt, horizontal screw centrifuge, the present invention eliminates cyclone, and drilling fluid can also be reached except landwaste effect, reduce investment outlay, raise the efficiency.
The present invention had both been applicable to conventional drilling and had produced, and was also applicable to environment protection-type circulation of drilling fluid cleaning system new technology.
Accompanying drawing illustrates:
Fig. 1 is a kind of environment protection-type circulation of drilling fluid of the present invention cleaning system new technological flow figure.
Detailed description of the invention
As shown in Figure 1, a kind of environment protection-type circulation of drilling fluid of the present invention cleaning system new technology, on the basis of the drilling fluid minimum volume after completion proposes drilling tool required for hole fill-up, the safe volume increasing by 50% be solidification control system for well drilling liguid with volume, the volume of a whole set of solid controlling system is in the twice with volume; Drilling fluid is squeezed into down-hole, the drilling fluid of cutting carring from well head counter go out after, first through vibrosieve, different for solid particle size, landwaste are separated, the landwaste that solid particle size is larger is sifted out, liquid phase drilling fluid after sedimentation enters thick horizontal screw centrifuge, smart horizontal screw centrifuge successively, drilling fluid after is herein transported in well again through chemical treatment again, reuses.
Vibrosieve of the present invention, the quantity of the supporting drilling fluid drilling fluid liquid vibrosieve required for selecting according to the performance of drilling fluid is 3-4 platform, and screen mesh size is 80-200 order.
Thick horizontal screw centrifuge of the present invention adopts speed change two group drum centrifuge, and smart horizontal screw centrifuge is supercentrifuge, and the two solid-phase outlet is in parallel.Select the technological process adopting speed change double rotating drum centrifuge and supercentrifuge solid-phase outlet in parallel relative, so that landwaste is collected process and is improved follow-up equipment, as: in the application life of borehole pump, drilling tool, downhole instrument etc., save liquid material usage, improve rig speed.
The flow container of the described thick horizontal screw centrifuge of support of the present invention and smart horizontal screw centrifuge is side matrix 1.Conventional flow container is cuboid, and collect for the ease of landwaste, the side of cuboid flow container is set as side matrix 1 by the present invention.
Statistic analysis result shows, during drilling well, drilling fluid maintenance cost every day about 90% is at solids control or with in this relevant problem.New technology of the present invention saves heavy weight additive.Therefore, use solid controlling system of the present invention and equipment, the eliminating of drilling fluid can be reduced in a large number, be conducive to again landwaste solidification, thus obtain good Social benefit and economic benefit.
Claims (5)
1. an environment protection-type circulation of drilling fluid cleaning system new technology, it is characterized in that: this processing step is: drilling fluid is squeezed into down-hole, after the drilling fluid of cutting carring returns out from well head, first full mistake flows through vibrosieve and is separated by landwaste different for solid particle size, the landwaste that solid particle size is larger is sifted out, liquid phase drilling fluid after sedimentation enters thick horizontal screw centrifuge, smart horizontal screw centrifuge successively, drilling fluid after herein is again transported in well after chemical treatment is qualified again, reuses.
2. a kind of environment protection-type circulation of drilling fluid cleaning system new technology according to claim 1, it is characterized in that: described vibrosieve, the quantity of the supporting drilling fluid drilling fluid liquid vibrosieve required for selecting according to the performance of drilling fluid liquid is 3-4 platform, and screen mesh size is 80-200 order.
3. want a kind of environment protection-type circulation of drilling fluid cleaning system new technology described in 1 or 2 according to right, it is characterized in that: described thick horizontal screw centrifuge adopts speed change two group drum centrifuge, described smart horizontal screw centrifuge is supercentrifuge, the two solid-phase outlet is in parallel, exports as three-way valve can solidify or recycle.
4. a kind of environment protection-type circulation of drilling fluid cleaning system new technology according to claim 1 and 2, is characterized in that: the flow container supporting described thick horizontal screw centrifuge and smart horizontal screw centrifuge is side matrix.
5. a kind of environment protection-type circulation of drilling fluid cleaning system new technology according to claim 3, is characterized in that: the flow container supporting described thick horizontal screw centrifuge and smart horizontal screw centrifuge is side matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236563.5A CN104912503A (en) | 2015-05-12 | 2015-05-12 | New technology of environment-friendly drilling fluid circulation purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236563.5A CN104912503A (en) | 2015-05-12 | 2015-05-12 | New technology of environment-friendly drilling fluid circulation purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104912503A true CN104912503A (en) | 2015-09-16 |
Family
ID=54081896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510236563.5A Pending CN104912503A (en) | 2015-05-12 | 2015-05-12 | New technology of environment-friendly drilling fluid circulation purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104912503A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909194A (en) * | 2016-06-27 | 2016-08-31 | 范广潜 | Rock debris curing treatment mud purification system |
| CN107377201A (en) * | 2017-08-31 | 2017-11-24 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of perforation returns sediment outflow retracting device and method |
| US10800690B2 (en) | 2016-09-26 | 2020-10-13 | Wilmac, Inc. | Portable liquid recovery system with optional preliminary processor and feed |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007109803A2 (en) * | 2006-03-23 | 2007-09-27 | M-I Llc | Recovery system |
| CN102874952A (en) * | 2012-09-29 | 2013-01-16 | 常州大学 | Treatment method of waste drilling fluid |
| CN202832319U (en) * | 2012-08-22 | 2013-03-27 | 天津中油海翔油田工程服务有限公司 | Drilling fluid solid control system |
| CN203145870U (en) * | 2013-01-17 | 2013-08-21 | 四川首富曼石油装备有限公司 | Energy-saving solid control system |
| CN104060956A (en) * | 2013-03-21 | 2014-09-24 | 孟祥宇 | Oil drilling fluid solid control device |
| CN104563928A (en) * | 2015-01-20 | 2015-04-29 | 德惠同利（北京）石油技术服务有限公司 | Drilling fluid system solid control device |
-
2015
- 2015-05-12 CN CN201510236563.5A patent/CN104912503A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007109803A2 (en) * | 2006-03-23 | 2007-09-27 | M-I Llc | Recovery system |
| CN202832319U (en) * | 2012-08-22 | 2013-03-27 | 天津中油海翔油田工程服务有限公司 | Drilling fluid solid control system |
| CN102874952A (en) * | 2012-09-29 | 2013-01-16 | 常州大学 | Treatment method of waste drilling fluid |
| CN203145870U (en) * | 2013-01-17 | 2013-08-21 | 四川首富曼石油装备有限公司 | Energy-saving solid control system |
| CN104060956A (en) * | 2013-03-21 | 2014-09-24 | 孟祥宇 | Oil drilling fluid solid control device |
| CN104563928A (en) * | 2015-01-20 | 2015-04-29 | 德惠同利（北京）石油技术服务有限公司 | Drilling fluid system solid control device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909194A (en) * | 2016-06-27 | 2016-08-31 | 范广潜 | Rock debris curing treatment mud purification system |
| US10800690B2 (en) | 2016-09-26 | 2020-10-13 | Wilmac, Inc. | Portable liquid recovery system with optional preliminary processor and feed |
| CN107377201A (en) * | 2017-08-31 | 2017-11-24 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of perforation returns sediment outflow retracting device and method |
| CN107377201B (en) * | 2017-08-31 | 2019-06-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of perforation returns sediment outflow recyclable device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205000918U (en) | Oil drilling mud does not fall to ground to be handled and cyclic utilization system | |
| CN106968629B (en) | Whole-well section drilling cuttings and waste drilling fluid non-falling treatment equipment | |
| US10927622B2 (en) | Removal of fine solids from oilfield fluids | |
| CN104912503A (en) | New technology of environment-friendly drilling fluid circulation purification system | |
| CN205714049U (en) | Well drilling solid control system drilling cuttings separated intelligent environment-protective circulating skid mounted equipment | |
| CN201857911U (en) | Integrative cleaner for desanding and desilting drilling fluid | |
| CN104153732A (en) | Drilling fluid treating device and method | |
| CN203145870U (en) | Energy-saving solid control system | |
| CN110397414B (en) | Device and method for recycling effective solid-phase particles of drilling fluid | |
| WO2016119516A1 (en) | Novel slurry solid phase control system and process | |
| CN105836988A (en) | Slurry reduction treatment system | |
| CN203669802U (en) | Integrated drilling fluid processing device | |
| CN205714046U (en) | Mud does not land intelligent environment protection integration well drilling solid control system | |
| CN204877331U (en) | Processing apparatus of environmental protection integrated form well drilling discarded object | |
| CN106223881A (en) | Solid waste crushing and screening skid mounted equipment | |
| CN103821469B (en) | Slurry control method for underground slurry wall construction at high-powder-clay-content stratum | |
| CN104675350A (en) | Energy-saving solid control system | |
| US20160367915A1 (en) | System and Method For Recapturing and Cleaning Fluid | |
| CN205776227U (en) | A kind of mud cleaner for super large ultra-deep pile foundation hole cleaning | |
| CN104499970B (en) | Technological method for drilling fluid solid control circulation system | |
| CN106437574B (en) | A kind of vibrating screen simultaneously, coupled in series formula mud solid phase remove device | |
| CN205095931U (en) | Carborundum granule sorting unit | |
| CN112267853A (en) | Desanding system based on combustible ice mining platform | |
| CN203355460U (en) | Vibration and rotation type solid-liquid separator | |
| CN104912504A (en) | Environment-friendly integrated drilling waste processing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150916 |
|
| WD01 | Invention patent application deemed withdrawn after publication |