CN209193757U - A kind of oil gas shale gas drilling mud harmless resource processing system - Google Patents
A kind of oil gas shale gas drilling mud harmless resource processing system Download PDFInfo
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- CN209193757U CN209193757U CN201821867131.XU CN201821867131U CN209193757U CN 209193757 U CN209193757 U CN 209193757U CN 201821867131 U CN201821867131 U CN 201821867131U CN 209193757 U CN209193757 U CN 209193757U
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Abstract
The utility model discloses a kind of oil gas shale gas drilling mud harmless resource processing systems, including slush pump, pre-processing device, carbonizing apparatus, carbon slag reclaimer, building stones Preparation equipment and oil-gas recovery device, homogenization installation is set in the pre-processing device, mud squeezes into pre-processing device by slush pump, carbonizing apparatus is delivered to after pre-processing device is handled to be carbonized, carbon slag after carbonization is delivered to building stones Preparation equipment by carbon slag reclaimer, carbonizing apparatus is equipped with smoke exhaust pipe, and the oil-gas recovery device is set on smoke exhaust pipe.Compared with prior art, after the utility model discards oil-base mud finally cured processing, the leakage and loss of discarded oil-base mud are effectively prevented, it is therefore prevented that the pollution to Ecological environment.Using free hydroxyl oxidation technology and carbonization technology, greatly reduces discarded oil base slurry body product and organic pollutant, the volume increase-volume of regenerant are greatly lowered, the memory space occupied needed for greatly reducing.
Description
Technical field
The utility model relates to a kind of oil-gas mining field more particularly to a kind of oil gas shale gas drilling mud harmless resources
Processing system.
Background technique
Shale gas refers to the Unconventional gas preserved in series of rocks based on preservation Yu Yifu organic shale, is continuous life
At biochemical genesis air and heat origin cause of formation gas or both mixing, can be present in intrinsic fracture and hole with free state, to inhale
Attached state is present in kerogen, clay particle surface, and there are also minute quantities to be stored in kerogen and asphalitine with dissolved state, dissociates
Gas ratio is generally 20%~85%.
Shale gas refers to preservation in rich organic matter mud shale and its interlayer, with absorption and free state for the side of being primarily present
The Unconventional gas of formula, ingredient are a kind of cleaning, efficient energy resources and industrial chemicals, are mainly used for based on methane
Resident's combustion gas, city heat supply, power generation, motor vehicle fuel and Chemical Manufacture etc., it is widely used.It is generally not necessarily in shale gas production process
Draining, the production cycle is long, and generally 30 years~50 years, exploration and development success rate was high, industrial economy value with higher.China
Shale gas resource potential is big, and China's shale gas mining resources amount is in 36.1 tcms according to a preliminary estimate, with conventional gas phase
When about 36.8 tcms of slightly less than shallow coal bed gas geological resources.
Largely discarded oil-base mud can be generated in shale gas development level drilling process.If discarding oil-base mud without processing
Direct emission will cause natural environment seriously to pollute, and waste a large amount of oily resource；Currently, in engineering Preliminary Applications from
The heart-distillation processing technique is there is also at high cost, the problems such as low efficiency.Therefore, research shale gas develops discarded oil base mud conditioning
With recovery process and technology, have great importance to shale gas scale development.
The water volume ratio of shale gas oil-base mud is generally 800:20, and cost is much higher with respect to for water-base mud,
But the penalty after repeatedly anti-Xiali is used, it is difficult to using and become discarded oil-base mud.Discarded oil-base mud mainly by water,
The emulsification system of the compositions such as oil, silt particle, high-molecular compound, other impurities, it is complex in composition, and usually petroleum-type COD higher,
Processing is difficult, and has certain toxicity.Discarded oil-base mud has serious harm to earth environment, and countries in the world handle all it
It pays high attention to, China has expressly provided that discarded oil-base mud is danger wastes, and direct emission can inevitably cause natural environment
It influences.If the discarded oil-base mud percolate of quasi- product will lead to soil hardening into upper earth for a long time, soil ecology is destroyed
Chain, thus cause ground and plant is difficult to native length；Microorganism is difficult to the problems such as surviving inside soil, and soil is difficult to be re-used,
It results in waste of resources；Oil-base mud is discarded due to containing the oil carried in large amount of organic and drilling process, exposed storage
The volatilization of process organic matter will also result in air pollution, can all adversely affect to the mankind and animals and plants.This requires we
Discarded sand base mud must be handled it after generating, and be summarized both at home and abroad to the technology and experience of discarded oil base mud tube control,
Reinforce the management to drilling wastes.
Utility model content
The purpose of this utility model is that providing one kind solves the above problems, the abandoned oil that oil gas shale gas drilling generates
The system of base mud progress harmless resource processing.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of oil gas shale gas drilling mud without
Evil resource processing system, including slush pump, pre-processing device, carbonizing apparatus, carbon slag reclaimer, building stones Preparation equipment and oil gas
Reclaimer sets homogenization installation in the pre-processing device, and mud squeezes into pre-processing device by slush pump, sets by pretreatment
It is delivered to carbonizing apparatus after standby processing to be carbonized, the carbon slag after carbonization is delivered to building stones preparation by carbon slag reclaimer and sets
Standby, carbonizing apparatus is equipped with smoke exhaust pipe, and the oil-gas recovery device is set on smoke exhaust pipe.
Preferably, the pre-processing device further includes mixing plant, filter plant, slush pump passes through connecting tube and stirring
Equipment connection, the mixing plant are connect with filter plant, and large particulate matter is separated and is delivered to building stones by filter plant
Preparation equipment, by remaining slurry transportation to homogenization installation.
Preferably, setting drug addition equipment on the mixing plant.
Preferably, adjusting material addition equipment is set on the homogenizer,
Preferably, the oil-gas recovery device is condenser.
A kind of oil gas shale gas drilling mud harmless resource processing method, method and step is as follows,
Step 1: extracting the mud generated when drilling；
Step 2: Fe2+ and H is added in mixing plant2O2Fenton reagent, the organic contamination in oxidative degradation mud
Object；
Step 3: then carrying out the separation of large particulate matter in mud by filter plant；
Step 4: large particulate matter is fed directly to building stones Preparation equipment,
Step 5: remaining slurry transportation to homogenizer is homogenized, and carry out its whole viscosity of modifier treatment；
Step 6: carrying out carbonization treatment in carbonizing apparatus, the flue gas of generation inputs oil-gas recovery device, the carbon slag of generation
Building stones preparation facilities, which is delivered to, by carbon slag reclaimer prepares building stones；
Preferably, carrying out modifier treatment using bentonite in step 5.
Preferably, the mud viscosity after homogenizing is 80-95mPas in step 5.
Preferably, in step 6, the fixed gas direct emission that the oil-gas recovery device generates, the oil of cohesion, liquid into
Row recycles.
Preferably, the building stones are mixed using carbon slag with the large particulate matter filtered out in proportion in step 6, it is added
Auxiliary agent, compacting petrochemical industry molding.
Compared with the prior art, the advantages of the utility model are: the discarded oil-base mud of the utility model is finally cured
After processing, the harmful components such as solid components and organic matter, heavy metallic salt such as drilling cuttings therein, body refuse are fixed, close, effectively
Prevent the leakage and loss of discarded oil-base mud, it is therefore prevented that the pollution to Ecological environment.Use free hydroxyl oxidation technology, with
And carbonization technology, it greatly reduces discarded oil base slurry body product and organic pollutant, the volume increase-volume of regenerant is significantly dropped
Memory space that is low, occupying needed for greatly reducing, utilizes convenient for processing.
Detailed description of the invention
Fig. 1 is Tthe utility model system functional block diagram.
In figure: 1, slush pump；2, pre-processing device；3, carbonizing apparatus；4, carbon slag reclaimer；5, oil-gas recovery device；
6, building stones Preparation equipment；7, mixing plant；8, filter plant；9, homogenization installation.
Specific embodiment
The utility model is described in further detail below.
Embodiment: referring to Fig. 1, a kind of oil gas shale gas drilling mud harmless resource processing system, including it is slush pump 1, pre-
Processing equipment 2, carbonizing apparatus 3, carbon slag reclaimer 4, building stones Preparation equipment 6 and oil-gas recovery device 5, the pre-processing device
Homogenization installation 9 is set in 2, mud squeezes into pre-processing device 2 by slush pump 1, is delivered to carbonization after the processing of pre-processing device 2
Equipment 3 is carbonized, and the carbon slag after carbonization is delivered to building stones Preparation equipment 6 by carbon slag reclaimer 4, sets on carbonizing apparatus 3
There is smoke exhaust pipe, the oil-gas recovery device 5 is set on smoke exhaust pipe.
It is extracted using the discarded oil-base mud that slush pump 1 carries out gas shale gas drilling, conveying power is provided.Using equal
Change equipment 9 and the processing of homogeneous homogenizing is carried out to mud, effectively improve mud slurry uniform degree, convenient for viscosity-adjusting agent, the carbonization in raising later period
Effect.Carbonizing apparatus 3 carries out carbonization treatment to mud, reduces mud volume and weight, provides carbon slag for petrochemical process.Building stones system
Standby equipment 6 carries out petrochemical industry curing process, prepares available minerals stone material, realizes the recycling of resource.
The pre-processing device 2 further includes mixing plant 7, filter plant 8, and slush pump 1 passes through connecting tube and mixing plant 7
Connection, the mixing plant 7 are connect with filter plant 8, and large particulate matter is separated and is delivered to building stones system by filter plant 8
Standby equipment 6, by remaining slurry transportation to homogenization installation 9.
Discarded oil-base mud is mixed in mixing plant 7, and drug addition equipment is set on the mixing plant 7, can
Carry out Fe2+ and H2O2Fenton reagent addition, the organic pollutant in oxidative degradation mud reduces mud volume, eliminates
Pollution to environment.Adjusting material addition equipment is set on the homogenizer, can carry out the addition of adjusting material, it is viscous for adjusting mud
Degree.Filter plant 8 carries out the separation of solid large particulate matter, and is delivered to building stones Preparation equipment 6 and mixes with carbon slag and carry out at solidification
Reason realizes waste full utilization, and is conducive to increase the intensity of stone material.The oil-gas recovery device 5 is condenser, carries out gas-liquid
Oil, liquid recycling are realized in separation.
In discarded oil base mud system in addition to containing other organic principles such as base oil, emulsifiers, also contain a large amount of solids
Particle etc. is complicated emulsification system.Usually, the discarded oil-base mud with drilling cuttings, landwaste, soil and heavy weight additive etc. are solid
Body impurity volume accounts for 75% one the 82% of discarded oil-base mud, remaining is oil, water and the main cream of the very high mud of value, auxiliary cream etc. add
Add agent.
Currently, China is to the processing of discarded oil-base mud mainly using solidifying, fill and chemical demulsification-physical separation
Mode also has the mode of research and utilization microbial degradation to carry out harmless treatment.These processing techniques are to discarded oil-base mud
Treatment effect is more significant, but due to being limited when application by some conditions or only carrying out harmlessness disposing to it, could not
Utmostly recycling still has the very base oil of high value and changes additive etc. in mud, waste many potential resources.And
Effect is not poor for organic matter processing, and general volume increase-volume is obvious after discarded oil-base mud is cured, if being subject to benefit not in time
With or processing, bigger memory space will be occupied.
A kind of oil gas shale gas drilling mud harmless resource processing method, method and step is as follows,
Step 1: extracting the mud generated when drilling；
Step 2: Fe2+ and H is added in mixing plant 72O2Fenton reagent, organic dirt in oxidative degradation mud
Contaminate object；Also containing other mud additives and some noxious materials such as a large amount of base oil, organic matters in discarded oil-base mud
Such as colloid, asphalitine are difficult to be degraded by microorganisms, therefore use Fe2+ and H2O2Fenton reagent oxidative degradation mud in
Organic pollutant, while reducing mud volume, reduce its volume increase-volume after solidifying；
Step 3: then carrying out the separation of large particulate matter in mud by filter plant 8；
Step 4: large particulate matter is fed directly to building stones Preparation equipment 6,
Step 5: remaining slurry transportation to homogenizer is homogenized, and carry out its whole viscosity of modifier treatment；Using swelling
Soil carries out modifier treatment, and the mud viscosity after homogenizing is 80-95mPas, and the effect after carbonization is best；
Step 6: carrying out carbonization treatment in carbonizing apparatus 3, the flue gas of generation inputs oil-gas recovery device 5, the carbon of generation
Slag is delivered to building stones preparation facilities by carbon slag reclaimer 4 and prepares building stones；The fixed gas that the oil-gas recovery device 5 generates is straight
Run in and put, oil, the liquid of cohesion are recycled；The building stones are mixed using carbon slag with the large particulate matter filtered out in proportion
It closes, auxiliary agent, compacting petrochemical industry molding is added.The stone material bending strength of preparation is in 6.2MPa~7.8MPa, and intensity is high, use scope
It is very wide.
Precipitated cationic agent and anion precipitant using the poisonous and harmful ion of oil-base mud in curing agent (auxiliary agent)
Under effect, stable stationary state is formed, mixture slurry is thickened rapidly, gel；Pollutant, sediment etc. in discarded oil-base mud
Agglomerate processed package, closing under the action of adsorbent；Ultimately form the solidified body with some strength, the calcium in solidified body
Aluminite has good skeleton function to it, enhances the structural strength of solidfied material.Therefore, the cured rear formation of oil-base mud is discarded
Stable curing object can not only effectively prevent the leakage of wherein nuisance, diffusion, moreover it is possible to be used as building materials etc., realize waste benefit
With.
After the utility model discards oil-base mud finally cured processing, the solid components such as drilling cuttings therein, body refuse and
The harmful components such as organic matter, heavy metallic salt are fixed, close, and effectively prevent the leakage and loss of discarded oil-base mud, prevent
Pollution to Ecological environment, the leachate after discarding oil base slurry curing, water quality is limpid, and leachable is few, reached country
2 grade standard of sewage discharge.Using free hydroxyl oxidation technology and carbonization technology, discarded oil base slurry body product is greatly reduced,
And organic pollutant, the volume increase-volume of regenerant are greatly lowered, the memory space occupied needed for greatly reducing is convenient for
Processing utilizes.
A kind of oil gas shale gas drilling mud harmless resource processing system provided by the utility model is carried out above
Exhaustive presentation, specific case used herein are expounded the principles of the present invention and embodiment, the above implementation
The explanation of example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general skill of this field
Art personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range, practical to this
Novel change and improvement will be possible, the conception and scope without exceeding accessory claim defined, in conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. a kind of oil gas shale gas drilling mud harmless resource processing system, it is characterised in that: set including slush pump, pretreatment
Standby, carbonizing apparatus, carbon slag reclaimer, building stones Preparation equipment and oil-gas recovery device set homogenizing in the pre-processing device and set
Standby, mud squeezes into pre-processing device by slush pump, is delivered to carbonizing apparatus after pre-processing device is handled and is carbonized, carbon
Carbon slag after change is delivered to building stones Preparation equipment by carbon slag reclaimer, and carbonizing apparatus is equipped with smoke exhaust pipe, and the oil gas returns
Receiving unit is set on smoke exhaust pipe.
2. a kind of oil gas shale gas drilling mud harmless resource processing system according to claim 1, it is characterised in that: institute
Stating pre-processing device further includes mixing plant, filter plant, and slush pump is connect by connecting tube with mixing plant, and the stirring is set
Standby to connect with filter plant, building stones Preparation equipment is separated and be delivered to large particulate matter by filter plant, by remaining mud
It is delivered to homogenization installation.
3. a kind of oil gas shale gas drilling mud harmless resource processing system according to claim 2, it is characterised in that: institute
It states and sets drug addition equipment on mixing plant.
4. a kind of oil gas shale gas drilling mud harmless resource processing system according to claim 1, it is characterised in that: institute
It states and sets adjusting material addition equipment on homogenizer.
5. a kind of oil gas shale gas drilling mud harmless resource processing system according to claim 1, it is characterised in that: institute
Stating oil-gas recovery device is condenser.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821867131.XU CN209193757U (en) | 2018-11-13 | 2018-11-13 | A kind of oil gas shale gas drilling mud harmless resource processing system |
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| CN201821867131.XU CN209193757U (en) | 2018-11-13 | 2018-11-13 | A kind of oil gas shale gas drilling mud harmless resource processing system |
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| CN209193757U true CN209193757U (en) | 2019-08-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109293180A (en) * | 2018-11-13 | 2019-02-01 | 四川锐源能环科技有限公司 | A kind of oil gas shale gas drilling mud harmless resource processing system and method |
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- 2018-11-13 CN CN201821867131.XU patent/CN209193757U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109293180A (en) * | 2018-11-13 | 2019-02-01 | 四川锐源能环科技有限公司 | A kind of oil gas shale gas drilling mud harmless resource processing system and method |
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