CN1038339C - Drilling waste mud curing agent and production method thereof - Google Patents
Drilling waste mud curing agent and production method thereof Download PDFInfo
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- CN1038339C CN1038339C CN 93110918 CN93110918A CN1038339C CN 1038339 C CN1038339 C CN 1038339C CN 93110918 CN93110918 CN 93110918 CN 93110918 A CN93110918 A CN 93110918A CN 1038339 C CN1038339 C CN 1038339C
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- waste mud
- curing agent
- mud
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- 239000002699 waste material Substances 0.000 title claims abstract description 34
- 238000005553 drilling Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 239000007787 solid Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 18
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 239000003610 charcoal Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 7
- 239000004115 Sodium Silicate Substances 0.000 claims description 6
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 235000017550 sodium carbonate Nutrition 0.000 claims description 6
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 6
- 229940037003 alum Drugs 0.000 claims description 5
- 238000013467 fragmentation Methods 0.000 claims description 4
- 238000006062 fragmentation reaction Methods 0.000 claims description 4
- 239000008188 pellet Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000002386 leaching Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- 239000003463 adsorbent Substances 0.000 abstract 1
- 230000008569 process Effects 0.000 description 11
- 238000005303 weighing Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000002594 sorbent Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910001777 tschermigite Inorganic materials 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- NPHFFBWJNRVQNH-UHFFFAOYSA-H NN.S(=O)(=O)([O-])[O-].[Al+3].S(=O)(=O)([O-])[O-].S(=O)(=O)([O-])[O-].[Al+3] Chemical compound NN.S(=O)(=O)([O-])[O-].[Al+3].S(=O)(=O)([O-])[O-].S(=O)(=O)([O-])[O-].[Al+3] NPHFFBWJNRVQNH-UHFFFAOYSA-H 0.000 description 1
- -1 Portland clinker Chemical compound 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000003469 silicate cement Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Abstract
The invention discloses a drilling waste mud curing agent and a production method thereof, wherein silicate, sulfate, an adsorbent and an adjusting agent are used as raw materials, and the curing agent is prepared by drying, crushing, homogenizing and crushing to a certain fineness, after 10-35% of the curing agent is directly mixed and added into waste mud according to the solid content of the waste mud, the waste mud can lose fluidity within 10 minutes, the cementing hardness is not less than 36KPa within 24 hours, the oil content of leaching water is not more than 20mg/L, the COD is not more than 200mg/L, and the chroma is not more than 100 times. The curing agent has the characteristics of convenient use, quick curing effect and strong water-resistant stability, and has obvious environmental protection effect when being used for curing water-based waste mud.
Description
Firming agent for drilling waste mud of the present invention and production method thereof relate to the petroleum geology drilling well technical field of preventing and remedying pollution, and are applicable to the curing additive that prevents that various waste muds from polluting.
The essential drilling mud that uses of petroleum geology drilling well, in the use of drilling mud, because formation material is to the infringement of mud and the physicochemical change of mud self, along with increasing of life cycle prolongs, it is aging mud to occur, cause the technical feature to lose efficacy, every mud that had lost efficacy just can not be used further in the drilling well.Mud is divided into two big classes by the material composition; One class is an oil-base mud; another kind of is water-based mud; this waste mud liquid has certain hazardness to ecotope; its hazard approach, mainly be with the migration diffuse pollution be essential characteristic, if do not deal carefully with; will occur self flowing or the current erosion carries away; cause pollution in wide area around giving the well site, for this reason, how dealing carefully with waste mud is the environmental protection problem that drilling well work is paid much attention to.
At present, the method for processing waste mud mainly contains in drilling well work; Container is deposited on the spot, digs pit and buries, and discharges on the spot etc., also once has the discrete area to adopt multiple chemical materials, as silicate cement, perlite powder, montmorillonite clay etc., cooperation is cured processing to waste mud in the well site, its weak point is that prescription is poor for applicability, complex process, and operation is various.Owing to be subjected to the restriction of the limited condition in well site, it is also very difficult to construct, even have can't normal construction, and often cause waste mud can not form the solid phenomenon for a long time because of the difference of prescription and technology, cause by the current erosion, perhaps become solid, but do not have the still washed out problem of water resisting property, do not have the effect of solidifying control waste water-base mud contamination.
The purpose of this invention is to provide a kind of firming agent for drilling waste mud and production method thereof; use the product that present method is produced; can be widely used in various drilling waste muds; only needing by a certain percentage, amount directly adds in the waste mud; waste mud just can lose flowability at short notice; and then forming stable anti-water solid, the purpose of preserving the ecological environment is played in the diffusion and the migration of restriction objectionable impurities.
The design of firming agent for drilling waste mud of the present invention and production method thereof is with silicate such as Portland clinker, water glass, vitriol such as Tai-Ace S 150, alum, adjusting agent such as yellow soda ash and sorbent material such as charcoal is raw material, by in crusher, carrying out fragmentation behind the oven dry surface adsorption water, require particle diameter less than 10mm, and then in homogenizer abundant homogenizing, change over to then and carry out grinding in the ball mill, control fineness (with the square hole sieve screen over-size of 0.074mm) is not more than 7% and make product.
Divide three process to finish by this product of Fig. 1:
1, silicate second adopts sodium silicate solid, the vitriol first adopts Tai-Ace S 150, and vitriol second adopts alum, sorbent material adopt charcoal respectively in hot-air drier the hot blast by 105~110 ℃ carry out drying, process inspection surface adsorption water be not more than 1% qualified after, change next procedure over to.
2, silicate first employing Portland clinker is 0.7600~0.8350 ratio in mass ratio, silicate second employing sodium silicate solid is 0.0850~0.1500 ratio in mass ratio, vitriol first employing Tai-Ace S 150 is 0.0350~0.0600 ratio in mass ratio, vitriol second employing alum is 0.0100~0.0170 ratio in mass ratio: carbonate employing yellow soda ash is 0.0010~0.0040 ratio in mass ratio, it is that 0.0100~0.0250 ratio drops in the crusher after fragmentation reaches diameter and be not more than 10mm in mass ratio that sorbent material adopts charcoal, enter and carry out abundant homogenizing in the homogenizer, change next procedure over to after pellet mixes.
3, pellet enters ball mill and carries out grinding, and adjusting the ball mill working parameter, to use abrasive dust material fineness be 0.42mm, do not have screen over-size when promptly 40 mesh standard sieves are analyzed, and its screen over-size was not more than 7% when promptly 200 mesh standard sieves were analyzed with 0.074mm, promptly became qualified product.
The use of this product is that the height according to its solid load directly mixes adding 10~35% in waste mud, lose flowability in ten minutes, glued hardness was not less than 36KPa in 24 hours, and leaching water oleaginousness is less than 20mg/L, chemical oxygen demand is less than 200mg/L, and colourity is less than 100 times.
The effect of firming agent for drilling waste mud of the present invention and production method thereof is: use composite synergistic principle, adopting anhydrous silicate is the jointing compound of main body, allocate vitriol into as quick flocculation agent, charcoal is as sorbent material, yellow soda ash carries out strict process homogenizing grinding and makes solidifying agent as adjusting agent, this solidifying agent is used to solidify waste mud from No. 21 wells of No. 26 well sounds of sound, No. 1 well of Zhao the scene use proof, this product has the fast advantage of solidification, can reach the solidifying agent that in waste mud, directly mixes adding 10~35% according to the height of its solid load, just can in 10 minutes, just lose flowability by waste mud, can bear into the effect of body weight for humans after 24 hours; 2, have the strong performance of anti-water stability, in flowing water, long period of soaking is indeformable, does not divide through the waste mud of solidification treatment; 3, leaching water quality meets the oil field waste emission standard.Waste mud is 2.5 * 10 towards releasing the water oleaginousness before curing
4~4.2 * 10
4Mg/L.Chemical oxygen demand is 980~8300mg/L, and chrome content is 0.11~0.13mg/L free phenol 0.10mg/L, colourity 1.37 * 10
3~1.56 * 10
4Doubly, exist the oxious component severe overweight.Behind this products solidifying, oleaginousness is reduced to 0.20~7.6mg/L in the water, and chemical oxygen demand is reduced to 26.2~198mg/L, chrome content is reduced to less than 0.001mg/L, free phenol is reduced to less than 0.01mg/L, and colourity is reduced to 35~80 times, meets the oil field waste discharging water-quality guideline of national environmental protection laws and regulations requirement; 4, have easy to use, the program curing characteristic of simple, only need with solidifying agent measure by a certain percentage directly be added to mix in the waste mud after, can see the solidified effect.
Fig. 1 is the process flow diagram of waste mud solidifying agent and production method thereof;
Fig. 2 is the schema of stoving process among Fig. 1;
Fig. 3 is the process flow sheet of broken homogenizing among Fig. 1;
Fig. 4 is grinding process figure among Fig. 1:
Fig. 5 is an on-the-spot process flow sheet of the present invention.
The embodiment of firming agent for drilling waste mud of the present invention and production method thereof is: produce the technical process (Fig. 5) of 1000kg waste mud solidifying agent product, composition of raw materials divides three process to finish:
One, the step by Fig. 2 baking operation is:
(modulus is 2.2~2.5, and density is 2.2~2.3g/cm to adopt sodium silicate solid
2), hydrazine aluminum sulfate (technical pure), hydration tschermigite, four kinds of raw materials such as weedtree charcoal, send into respectively under 105~110 ℃ hot blast condition, to dry in the hot-air drier to the surface adsorption water-content and be not more than at 1% o'clock, produce each raw material and be placed in the moistureproof storehouse of material standby respectively.
Two, by Fig. 3 batching be with broken homogenization process step:
The sodium silicate solid that takes by weighing oven dry respectively is 98kg by optimum quality ratio 0.0980; The Tai-Ace S 150 that takes by weighing oven dry is 55kg by optimum quality ratio 0.0550; The tschermigite that takes by weighing oven dry is 15kg by optimum quality ratio 0.0150; The weedtree charcoal that takes by weighing oven dry is 10kg by optimum quality ratio 0.0100; Take by weighing Portland clinker and be 818kg by optimum quality ratio 0.8180; Weighing sodium carbonate is pressed optimum quality ratio 0.0040 and is 4kg, and after blender loader entered crusher and carries out fragmentation, granularity reached and is not more than 10mm, changes homogenizer then over to carry out the thorough mixing homogenizing, is delivered to next procedure by sealing transfer roller first.
Three, send into ball mill by the pellet of Fig. 4 homogenizing by feeding machine control delivery rate and grind, go out grind materials and screen by screening washer, wherein diameter is returned by sealing transfer roller third greater than the thick material of 0.42mm and transports to homogenizer; Diameter carries out the fineness analysis less than the powder (by the sieving of 40 mesh sieves) of 0.42mm, the fineness index is that 0.074mm (200 order) square hole sieve screen over-size is not more than 7%, if when not reaching this fineness index, then adjust the working parameter of ball mill, comprise the rotating speed of adjusting grinding machine, the grating of one storehouse steel ball and two storehouse steel sections, filling ratio, delivery rate etc., after working parameter was once adjusted and determined, product fineness just can reach above-mentioned requirements, if when occurring lacking of proper care behind the running some cycles, can adjust steel ball again, the steel section, be not more than 10mm thereby reach the cured article slump, glued hardness (24 hours) is not less than 36KPa, and leaching water oleaginousness is not more than 20mg/L, chemical oxygen demand (COD) is not more than 200mg/L, and colourity is not more than 100 times.
Finished product is transported on the wrapping machine by sealing transfer roller 2, packs warehouse-in with moisture barrier bag and forms product.
Claims (2)
1, a kind of firming agent for drilling waste mud, it is characterized in that Portland clinker is 0.7600~0.8350 ratio in mass ratio, sodium silicate solid is 0.0850~0.1500 ratio in mass ratio, Tai-Ace S 150 is 0.0350~0.0600 ratio in mass ratio, alum is 0.0100~0.0170 ratio in mass ratio, yellow soda ash is 0.0010~0.0040 ratio in mass ratio, and charcoal is that 0.0100~0.0250 ratio is made product in mass ratio.
2, the preparation method of product according to claim 1, it is characterized in that Portland clinker is 0.7600~0.8350 ratio in mass ratio, sodium silicate solid is 0.0850~0.1500 ratio in mass ratio, Tai-Ace S 150 is 0.0350~0.0600 ratio in mass ratio, alum is 0.0100~0.0170 ratio in mass ratio, yellow soda ash is 0.0010~0.0040 ratio in mass ratio, the art charcoal is that 0.0100~0.0250 ratio drops in the crusher after fragmentation reaches diameter and be not more than 10mm in mass ratio, enter and carry out abundant homogenizing in the homogenizer, pellet mixes the laggard ball mill grinding of going into, it is that 0.42mm does not have screen over-size when promptly 40 mesh standard sieves are analyzed that adjustment ball mill working parameter is used abrasive dust material fineness, and its screen over-size was not more than 7% method when promptly 200 mesh standard sieves were analyzed with 0.074mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 93110918 CN1038339C (en) | 1993-03-20 | 1993-03-20 | Drilling waste mud curing agent and production method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 93110918 CN1038339C (en) | 1993-03-20 | 1993-03-20 | Drilling waste mud curing agent and production method thereof |
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Publication Number | Publication Date |
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CN1075978A CN1075978A (en) | 1993-09-08 |
CN1038339C true CN1038339C (en) | 1998-05-13 |
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CN 93110918 Expired - Fee Related CN1038339C (en) | 1993-03-20 | 1993-03-20 | Drilling waste mud curing agent and production method thereof |
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CN (1) | CN1038339C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1093157C (en) * | 2000-05-08 | 2002-10-23 | 任晓波 | High-strength rejected material solidifying agent |
CN100471585C (en) * | 2006-07-03 | 2009-03-25 | 张明罡 | Curing agent for waste drilling mud and use method therefor |
CN101941828B (en) * | 2010-08-31 | 2014-02-12 | 中铁四局集团有限公司 | Mud curing agent |
CN106198171A (en) * | 2016-06-21 | 2016-12-07 | 中国科学院生态环境研究中心 | A kind of sample pretreating method of LIBS detection waste water and waste liquid |
CN115573331A (en) * | 2022-10-25 | 2023-01-06 | 南京交通职业技术学院 | Reinforcement hoop prestress waste mud curing pile-forming method |
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1993
- 1993-03-20 CN CN 93110918 patent/CN1038339C/en not_active Expired - Fee Related
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