CN205061841U - Abandonment drilling mud's minimizing, innoxious, resourceful treatment system - Google Patents
Abandonment drilling mud's minimizing, innoxious, resourceful treatment system Download PDFInfo
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- CN205061841U CN205061841U CN201520753273.3U CN201520753273U CN205061841U CN 205061841 U CN205061841 U CN 205061841U CN 201520753273 U CN201520753273 U CN 201520753273U CN 205061841 U CN205061841 U CN 205061841U
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Abstract
The utility model discloses an abandonment drilling mud's minimizing, innoxious, resourceful treatment system, including separating element, mud veclamation unit, slurry treatment unit and the mud cake storage unit who sets gradually, wherein: the separating element gets into mud cake storage unit including the crisscross multistage screen cloth that sets up, the particle diameter >= 3mm's who isolates drill chip, and < 3mm's mud gets into the mud veclamation unit to the particle diameter that the separation produced, the mud veclamation unit is including the level filtering equipment and the second grade filtration equipment that set up in order, liquid phase mud recycle that the mud veclamation unit operation produced, the solid phase entering slurry treatment unit of production, the slurry treatment unit takes off steady equipment and separation solid -liquid apparatus including what set up in order, taking off to throw in the steady equipment to add to have and taking off steady medicament, the solid phase mud cake that the separation solid -liquid apparatus separation produced is carried to mud cake storage unit to retrieval and utilization after the extract detects qualifiedly. Can realize abandonment water -base mud 100%'s innocent treatment.
Description
Technical field
The utility model relates to a kind of mud disposal system, be specifically related to one and minimizing, innoxious, resource utilization Recovery and recycle (Reduction, Non-toxic, Recovery are carried out to waste water-base drilling mud, RNR) treatment system processed, belongs to field of Environment Protection.
Background technology
It is the mud injecting well in drilling process that oil-gas field discards water-based drilling muds, because it is doped with excessive solids or other composition, and duration of service the long situation and then discharge in well system such as cause going bad, this part mud was in the past deposit in the suction pit entering well site, is unified in pond and is cured process after drilling well.In recent years, along with the standardization for the treatment of of mud, petroleum and petrochemical industry system proposes mud and does not land processing requirements, but the treatment technology that do not land of waste water-base drilling mud is a hundred flowers contend in beauty situation at present, differs from one another but all has drawback.Generally speaking, the problem of existing treatment technology is mainly reflected in the following aspects:
1) waste water-base drilling mud resource utilization organic efficiency is not high, or mud after treatment can not meet reuse requirement;
2) qualified discharge requirement can not be met after the solid phase after harmless treatment or liquid phase process, therefore cannot realize the harmless treatment of waste water-base drilling mud.
Given this, develop a kind of Technology that simultaneously can meet the recovery of waste water-base mud resource utilization and harmless treatment, and form complete through engineering approaches apparatus system and be applied to scene, this is very necessary and urgent for the current increasingly serious waste water-base treatment of mud difficult problem of solution.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided one both can meet waste water-base mud resource utilization to recycle, the minimizing of final waste harmless treatment waste water-base drilling mud up to standard, innoxious, recycling treatment system can be realized again.
For achieving the above object, the utility model is by the following technical solutions:
A kind of minimizing of waste drilling mud, innoxious, recycling treatment system, it comprises the separating unit, mud reclamation unit, mud processing unit and the mud cake storage element that set gradually, wherein: described separating unit comprises the multilevel screen be crisscross arranged, the drilling cuttings of isolated particle diameter >=3mm enters mud cake storage element, and the mud being separated the particle diameter < 3mm produced enters mud reclamation unit; Described mud reclamation unit comprises the single filter equipment and cascade filtration equipment that arrange in turn, and the liquid phase mud reclamation that mud reclamation cell processing produces utilizes, and the solid phase of generation enters mud processing unit; Described mud processing unit comprises the de-steady equipment and solid-liquid separating equipment that arrange in turn, and added de-steady medicament in described de-steady equipment, solid-liquid separating equipment is separated the solid phase mud cake produced and is delivered to mud cake storage element, and reuse after leach liquor detection is qualified.
Preferably: described treatment system also comprises the filtrate processing unit processed the liquid phase of solid-liquid separating equipment generation, and described filtrate processing unit comprises Using Multistage Membranes filter plant and/or advanced oxidation treatment facility.
Preferably: described treatment system also comprises the harmless treatment unit processed the underproof mud cake of the detection in mud cake storage element, described harmless treatment unit comprises curing apparatus, has added solidifying agent in described curing apparatus.
Preferably: described treatment system also comprises the receiving element be located between separating unit and mud reclamation unit, described receiving element comprises receiving tank, the mud being separated the particle diameter < 3mm produced through separating unit first flows automatically and enters in receiving tank, enters mud reclamation unit more subsequently.
Preferably: separation accuracy >=100 μm of described single filter equipment; The separation accuracy of described cascade filtration equipment is 0.05-100 μm.
Preferably: described single filter equipment is high frequency shale shaker or is filtered dry machine.
Preferably: described cascade filtration equipment is high frequency whizzer.
Preferably: described solid-liquid separating equipment is plate-and-frame filter press or folded spiral shell pressure filter.
Preferably: described treatment system also comprises the electric control system be located at transfer line between each processing unit, lift pump and all devices carried out to Real-Time Monitoring and Automated condtrol.
Preferably: described lift pump comprises rotatable shaftless screw pump or screw delivery pump for carrying solid phase, and for carrying Pulp pump, the impeller pump of liquid phase.
Relative to treatment system and the technique of existing waste water-base drilling mud, treatment system of the present utility model is packaged type, can support the use with drilling team, realizes not landing process with brill, and founds the factory without the need to additional floor.And after system process of the present utility model, the recycling of the 40-60% of waste water-base mud can be realized, and the harmless treatment of waste water-base mud 100% can be realized.
Accompanying drawing explanation
Fig. 1 shows the frame principle figure for the treatment of system described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
As shown in Figure 1, treatment system described in the utility model, comprise the separating unit being connected setting by pipeline in turn, mud reclamation unit, mud processing unit and mud cake storage element, wherein, described separating unit comprises the multilevel screen to the interlaced setting that the drilling cuttings in mud is separated, the drilling cuttings being separated the particle diameter >=3mm produced enters mud cake storage element, the mud being separated the particle diameter < 3mm produced enters mud reclamation unit, further, described treatment system also can comprise the receiving element be located between separating unit and mud reclamation unit, described receiving element comprises receiving tank, the mud being separated the particle diameter < 3mm produced through separating unit first flows automatically and enters in the receiving tank of receiving element, promote through pump more subsequently and enter mud reclamation unit.In addition, the completion mud of generation after drilling well completes also enters receiving element by the valve uniform effluent of drilling team's solid controlling system, and is delivered to mud reclamation unit subsequently.
Described mud reclamation unit comprises the cascade filtration equipment that the single filter equipment of separation accuracy >=100 that arrange in turn μm and separation accuracy are 0.05-100 μm, preferably, described single filter equipment can adopt as high frequency shale shaker, the separating device being filtered dry machine or other separation accuracy >=100 μm; Described cascade filtration equipment to be high frequency whizzer or other separation accuracy the be separating device of 0.05-100 μm, the mud of receiving element conveying through the screening of single filter vibration equipment produce >=drilling cuttings of 100 μm is transported to mud processing unit, the mud of the < 100 μm produced enters cascade filtration equipment and processes, the solid phase that process produces is delivered to mud processing unit, the liquid phase mud that process produces can promote through pump and enter in possum belly, and can in situ of drilling well reuse.Further, described mud reclamation unit is also connected with chemicals dosing plant, well finishing liquid treatment agent is provided with in described chemicals dosing plant, larger particles is agglomerated into make the ultra-fine grain in mud, subsequently by the drilling cuttings in two-stage separating device separation removal mud and ultra-fine grain, obtaining proportion is 1.05-1.10g/cm
3recovery mud, and be stored in possum belly, after well can be turned, be applied to lower a bite well.
Described mud processing unit comprises mud and takes off steady equipment and solid-liquid separating equipment, de-steady medicament has also been added in described de-steady equipment, preferably, described de-steady medicament is one or more in Tai-Ace S 150, polymerize aluminum chloride, polyacrylamide and calcium oxide, and press the mud gauge of required process, the add-on of described Tai-Ace S 150 is 0.5-2.5wt%, the add-on of described polymerize aluminum chloride is 0.2-2wt%, the add-on of described acrylamide is 0.03-5wt ‰, the add-on of described calcium oxide is 0.15-1.5wt%; The solid-liquid mixed phase produced after destablizing in de-steady equipment promotes through pump and enters in solid-liquid separating equipment, the preferred plate-and-frame filter press of described solid-liquid separating equipment, folded spiral shell pressure filter or other can by the solid-liquid separating equipment of the moisture control of solid phase mud cake at 20-60%, the water ratio that solid-liquid separating equipment separation produces is that the solid phase mud cake of 20-60% is delivered to mud cake storage element, the mud cake leach liquor depositing in mud cake storage element is detected, detects that qualified mud cake can carry out landfill, the process such as to pave the way.
Preferably, the liquid phase that treatment system described in the utility model also can comprise mud processing unit produces carries out the filtrate processing unit of harmless treatment, described filtrate processing unit comprise can to liquid phase carry out Physical entrapment filtration treatment Using Multistage Membranes filter plant and/or by fully oxidized for organism in liquid phase be CO
2and H
2the advanced oxidation treatment facility of O, carries out harmless treatment with the liquid phase produced mud processing unit, realizes the qualified discharge producing water.Further, described treatment system also can comprise the harmless treatment unit underproof mud cake of the detection in mud cake storage element being carried out to harmless treatment, described harmless treatment unit comprises curing apparatus, preferably cement hardener has been added in described curing apparatus, lime solidifying agent, the solidification medicament of at least one in inorganic medicament solidifying agent, and press the mud cake gauge of required process, the add-on of described solidification medicament is 5-45wt%, to carry out anastomose stabilization to the organism in mud cake and heavy metal etc., thus make mud cake leach liquor up to standard, mud cake up to standard can be used for paving the way, the process such as landfill.In addition, treatment system described in the utility model is located at the handling equipment such as transfer line, lift pump between each processing unit and to all electrical equipments of connection and on-line monitoring instrument, to realize the electric control system of all devices being carried out to Real-Time Monitoring and Automated condtrol.Wherein, described lift pump comprises solid phase and carries the rotatable shaftless screw pump or screw delivery pump that adopt and liquid phase to carry the Pulp pump, impeller pump etc. that adopt.
Utilize the as above residing treatment system of the utility model to carry out minimizing, innoxious, recycling treatment to drilling mud, its treatment step comprises:
A, mud are separated: by the multilevel screen of interlaced setting in mud >=drilling cuttings of 3mm is separated;
B, mud reclamation: utilize the mud of cascade filtration equipment to the < 3mm being separated generation in step a that the single filter equipment of separation accuracy>=100 μm and separation accuracy are 0.05-100 μm to carry out filtered and recycled process respectively, the proportion that process produces is 1.05-1.10g/cm
3mud can in situ of drilling well reuse, the solid phase of generation enters next treatment step;
C, de-steady and solid-liquid separation: destablizing and solid-liquid separation process are carried out successively to the solid phase that step b produces, wherein, in described destablizing, add de-steady medicament, and described de-steady medicament is Tai-Ace S 150, polymerize aluminum chloride, one or more in polyacrylamide and calcium oxide, and press the mud gauge of required process, the add-on of described Tai-Ace S 150 is 0.5-2.5wt%, the add-on of described polymerize aluminum chloride is 0.2-2wt%, the add-on of described acrylamide is 0.03-5wt ‰, the add-on of described calcium oxide is 0.15-1.5wt%, in the utility model, the described destablizing time is 0.5-1h, the described solid-liquid separation process treatment time is 0.5-2.5h, and the water ratio after solid-liquid separation be 20-60% solid phase mud cake through solid phase leach liquor detect qualified after can be used for paving the way, the process such as landfill.
Further, treatment process described in the utility model also can comprise steps d, filtrate process: utilize Using Multistage Membranes filtration process and/or advanced oxidation processes to carry out harmless treatment to the liquid phase produced in mud reclamation step, finally makes to produce the first discharge standard that water meets " integrated wastewater discharge standard " (GB8978-1996).
Further, treatment process described in the utility model also can comprise step e, mud cake harmless treatment: after the solid phase leach liquor produced in step c detects in underproof mud cake and adds solidification medicament solidification stirring reaction 1-3min, after leaving standstill solidification 24-120h, its solid phase leach liquor is up to standard, can be used for paving the way, the process such as landfill, wherein: described solidification medicament is the solidification medicament of at least one in cement hardener, lime solidifying agent, inorganic medicament solidifying agent, and press the mud cake gauge of required process, the add-on of described solidification medicament is 5-45wt%.
In addition, the completion mud produced in drilling process also can adopt the utility model technique as above to process, in completion mud, add well finishing liquid treatment agent, after being agglomerated into larger particles to make the ultra-fine grain in mud, enter mud reclamation treatment step.
The RNR process of embodiment 1 waste water-base drilling mud
Adopt the utility model treatment system as above and technique, process do not landed to the waste water-base drilling mud produced in certain oilfield drilling process, wherein: the design well depth processing well is 3200m, and treatment cycle is 20 days.
After running, the recovery mud amount of this mouthful of well is 800m
3, the discarded slurry amount of harmless treatment is 600m
3, mud reclamation efficiency is 57.14%.Recovery mud index after process is as shown in table 1, the liquid phase after harmless treatment and solid phase leach liquor index as shown in table 2.
Table 1: reclaim mud index table
| Sequence number | Index | Numerical value |
| 1 | pH | 7.0-9.0 |
| 2 | Drilling fluid proportion | ≤1.08g/cm 3 |
| 3 | Sand content | ≤0.15％ |
| 4 | Funnel viscosity (normal form) | ≤30s |
| 5 | Solid load | ≤3％ |
| 6 | Plastic viscosity | ≤8mpa.s |
Table 2: the product water after process and mud cake leach liquor index table
Can be found out by table 1 and table 2, after treatment system described in the utility model and art breading, the recycling efficiency of waste water-base drilling liquid is 57.14%, product water after treatment and mud cake leach liquor meet " integrated wastewater discharge standard " (GB8978-1996) first discharge standard, realize harmless treatment rate and reach 100%.
The utility model is by preferred embodiment having carried out detailed explanation.But, by studying carefully above, to the change of each embodiment with to increase also be that one of ordinary skill in the art institute is apparent.Being intended that all these changes and increasing of applicant has dropped in the protection domain of the utility model claim.
Term used herein is only and is illustrated specific embodiment, and it is also not intended to limit the utility model.Unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) are all identical with the understanding of the utility model one of ordinary skill in the art.Also must it is clear that, except having clear and definite definition in this article, in such as dictionary, the term of usually definition should be interpreted as can having the consistent meaning in the linguistic context of this specification sheets and correlation technique, and the idealized or undue formalization should do not explained.Known function or structure are in briefly and clearly consider or repeat no more.
Claims (10)
1. the minimizing of a waste drilling mud, innoxious, recycling treatment system, it is characterized in that: comprise the separating unit, mud reclamation unit, mud processing unit and the mud cake storage element that set gradually, wherein: described separating unit comprises the multilevel screen be crisscross arranged, the drilling cuttings of isolated particle diameter >=3mm enters mud cake storage element, and the mud being separated the particle diameter < 3mm produced enters mud reclamation unit; Described mud reclamation unit comprises the single filter equipment and cascade filtration equipment that arrange in turn, and the liquid phase mud reclamation that mud reclamation cell processing produces utilizes, and the solid phase of generation enters mud processing unit; Described mud processing unit comprises the de-steady equipment and solid-liquid separating equipment that arrange in turn, and added de-steady medicament in described de-steady equipment, solid-liquid separating equipment is separated the solid phase mud cake produced and is delivered to mud cake storage element, and reuse after leach liquor detection is qualified.
2. treatment system according to claim 1, it is characterized in that: described treatment system also comprises the filtrate processing unit processed the liquid phase of solid-liquid separating equipment generation, and described filtrate processing unit comprises Using Multistage Membranes filter plant and/or advanced oxidation treatment facility.
3. treatment system according to claim 1, it is characterized in that: described treatment system also comprises the harmless treatment unit processed the underproof mud cake of the detection in mud cake storage element, described harmless treatment unit comprises curing apparatus, has added solidifying agent in described curing apparatus.
4. according to the treatment system in claim 1-3 described in any one, it is characterized in that: described treatment system also comprises the receiving element be located between separating unit and mud reclamation unit, described receiving element comprises receiving tank, the mud being separated the particle diameter < 3mm produced through separating unit first flows automatically and enters in receiving tank, enters mud reclamation unit more subsequently.
5. according to the treatment system in claim 1-3 described in any one, it is characterized in that: separation accuracy >=100 μm of described single filter equipment; The separation accuracy of described cascade filtration equipment is 0.05-100 μm.
6. treatment system according to claim 5, is characterized in that: described single filter equipment is high frequency shale shaker or is filtered dry machine.
7. treatment system according to claim 5, is characterized in that: described cascade filtration equipment is high frequency whizzer.
8. according to the treatment system in claim 1-3 described in any one, it is characterized in that: described solid-liquid separating equipment is plate-and-frame filter press or folded spiral shell pressure filter.
9. according to the treatment system in claim 1-3 described in any one, it is characterized in that: described treatment system also comprises the electric control system be located at transfer line between each processing unit, lift pump and all devices carried out to Real-Time Monitoring and Automated condtrol.
10. treatment system according to claim 9, is characterized in that: described lift pump comprises rotatable shaftless screw pump or screw delivery pump for carrying solid phase, and for carrying Pulp pump, the impeller pump of liquid phase.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130145A (en) * | 2015-09-25 | 2015-12-09 | 北京联众华禹环保科技有限公司 | Reduced, harmless and resourceful treatment system and process for abandoned drilling mud |
| CN108821542A (en) * | 2018-07-02 | 2018-11-16 | 北京联众华禹环保科技有限公司 | A kind of innoxious cleaning treatment agent of waste drilling mud and its application method |
-
2015
- 2015-09-25 CN CN201520753273.3U patent/CN205061841U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130145A (en) * | 2015-09-25 | 2015-12-09 | 北京联众华禹环保科技有限公司 | Reduced, harmless and resourceful treatment system and process for abandoned drilling mud |
| CN108821542A (en) * | 2018-07-02 | 2018-11-16 | 北京联众华禹环保科技有限公司 | A kind of innoxious cleaning treatment agent of waste drilling mud and its application method |
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