CN104910950B - Petroleum industrial environment-friendly type drilling slurry oil - Google Patents
Petroleum industrial environment-friendly type drilling slurry oil Download PDFInfo
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- CN104910950B CN104910950B CN201510246081.8A CN201510246081A CN104910950B CN 104910950 B CN104910950 B CN 104910950B CN 201510246081 A CN201510246081 A CN 201510246081A CN 104910950 B CN104910950 B CN 104910950B
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Abstract
The invention relates to petroleum industrial environment-friendly type drilling slurry oil. The problems are solved that low drilling slurry oil cost and environmental protection requirement cannot be met at the same time. Concretely, the raw materials for preparation of the oil are the heavy hydrocarbons, heavy hydrocarbons are separated into solvent oil, washing gasoline and tower bottom oil in a fractionating tower the tower bottom oil is subjected to hydrofinishing and desulphurization refining, sulfur components and aromatic hydrocarbons are removed, refining is carried out until the sulfur content of the tower bottom oil is less than 3ppm and the aromatic hydrocarbon content of the tower bottom oil is less than 0.5ppm, and the refined tower bottom oil is environment-friendly type drilling slurry oil. The environment-friendly type drilling slurry oil has obvious low-toxicity and environmental protection advantages, has an obvious price advantage, and can replace gas oil imported from foreign countries completely.
Description
Technical field
The present invention relates to a kind of petroleum industry field drilling mud oil.
Background technology
Drilling well greasy filth slurry is all have pollution to environment for many years, with the development of technology and both at home and abroad to environmental protection
The enhancing of consciousness, people are focused on environmentally friendly drilling mud, and what is made progress in this respect at first is some of foreign country
Probing company, they instead of traditional ordinary diesel oil with gas liquefaction, and progress is achieved in terms of environmental protection, and gas liquefaction is exactly to use day
A kind of oil product that right gas is prepared, natural gas liquefaction technology（GTL）It is the coal liquefaction skill according to the eighties of last century formation twenties
What art was developed；By gas by partial oxidation of natural, the synthesis gas of hydrogen and carbon dioxide mixture is obtained, then synthesis gas is synthesized
It is liquid hydrocarbon.Natural gas oils preparation industry know-why includes synthesis gas production and two mistakes of F- T synthesis in theory
Journey, the former includes gas-phase partial oxidation method（POX）And methane steam reforming（SMR）Two kinds, and POX and SMR are synthesized
The autothermal reforming method that one technical process is carried out（ATR）, the liquid hydrocarbon mixture that the technique productions go out, it is separated after obtain for
The oil product of drilling mud is prepared, because above-mentioned course of reaction is complex, and separating technology is also required to, therefore price is higher.
In addition, natural gas liquefaction technology is unrealistic for our countries, because China's natural gas relative shortage, and
Price is more external to be higher by a lot.China also instead of ordinary diesel oil with cosmetic grade white oil in recent years, and one is achieved in terms of environmental protection
A little achievements.But white oil viscosity is higher, have an impact to other technological parameters in drilling process.
The content of the invention
It is an object of the invention to provide a kind of drilling mud oil, the oil is meeting the performance of drilling mud oil and environmental protection
It is required that on the basis of production cost be greatly lowered, can substitute completely foreign countries gas liquefaction.
For achieving the above object, the technical solution adopted by the present invention is：A kind of petroleum industry environment-friendly type drilling mud
With oil, it is characterised in that：It is heavy hydrocarbon to prepare the oil raw material, in fractionating column by heavy hydrocarbon isolate solvent naphtha, washing gasoline and
Bottom of towe oil, further carries out hydrofinishing and desulfuration purification to bottom of towe oil, removes sulphur component therein and aromatic hydrocarbons, is refined to bottom of towe
The ppm of sulfur content ﹤ 3 of oil, during arene content 0.5 ppm of ﹤, the bottom of towe oil after this is refined is environment-friendly type drilling mud oil.
The method for preparing drilling mud using petroleum industry environment-friendly type drilling mud oil, drilling well is prepared with ordinary diesel oil
The method of mud is identical.
Beneficial effects of the present invention：
1st, compared with the base oil such as diesel oil and white oil, petroleum industry environment-friendly type drilling mud oil has obvious low toxic and environment-friendly
Advantage；Compared with gas liquefaction, the price of gas liquefaction import to China is about per ton 1.3 ten thousand yuan, about 10,000 yuan of left sides of price of white oil
The right side, the price of petroleum industry environment-friendly type drilling mud oil of the present invention is about 0.85 ten thousand yuan or so, so oil work of the present invention
Industry environment-friendly type drilling mud oil has obvious price advantage；
2nd, comprehensive laboratory experiment analysis is carried out with oil to petroleum industry environment-friendly type drilling mud of the present invention, it is seen then that drilling well mud
The properties of oil can meet the application requirement of extemporaneous preparation drilling fluid system based on slurry oil.
Brief description of the drawings
Fig. 1 is the process chart of the embodiment of the present invention 1.
Specific embodiment
Embodiment 1：The preparation method of petroleum industry environment-friendly type drilling mud oil：
1st, it is raw materials used
Heavy hydrocarbon is produced from grand celebration, its physical and chemical index is as follows：
Boiling range：80~280 DEG C
Condensation point：- 20~-40 DEG C
Flash-point：30~50 DEG C
Sulfur content：250ppm
Arene content：6~8%
Olefin(e) centent：2~3%
2nd, production equipment
As shown in Figure 1：Mainly include fractionating column 3, one-level hydrogenation reactor 4, middle temperature zinc oxide desulfurization groove A5, the oxidation of middle temperature
Zinc desulfurizer B6, secondary hydrogenation reactor 7 and cooling separator 8；
3rd, preparation technology
（1）Fractionation
Raw material heavy hydrocarbon in raw material surge tank 1, is conveyed by raw oil pump 9, is added with two grades in First Heat Exchanger 13 successively
The secondary hydrogenation generation oil heat exchange that hydrogen reactor 8 is exported, in the second heat exchanger 12 and through the life after middle temperature zinc oxide fine de-sulfur
Into oil（220℃）Heat exchange, 200 isolated with fractionating column 3 in the 3rd heat exchanger 11#Solvent naphtha exchanges heat, last heated stove 2
It is heated to separation temperature（200~260 DEG C）Into fractionating column 3, it is fractionated into that gasoline must be washed on tower after tower 3 is separated, tower side obtains
200# solvent naphthas, bottom of towe oil boosts to 0.5Mpa and is delivered to the first hydrogenation reactor 4 through pressure oil pump 11；
（2）One-level is hydrogenated with
The supplement hydrogen that compressed device is sent, mixes before pressure oil pump 11 with bottom of towe oil, the mixture of bottom of towe oil and hydrogen
One-level hydrogenation reactor 4 is entered by top, in temperature（200~220 DEG C）, pressure（0.5Mpa）, air speed（1hˉ）Under the conditions of carry out
Hydrogenation reaction, is H by the organic sulfur conversion in bottom of towe oil2S, most of hydrogenation of olefins are converted into alkane, the life after one-level hydrogenation
Zinc oxide desulfurization groove is exited into by the bottom of one-level hydrogenation reactor 4 into oil；
（3）Zinc oxide desulfurization
By the H in one-level hydrogenated oil in middle temperature zinc oxide desulfurization groove A5, middle temperature zinc oxide desulfurization groove B62S is taken off to ﹤
0.5ppm, system temperature control is between 200~220 DEG C in sweetening process, and it is anti-that the generation oil after desulfurization is sent to secondary hydrogenation
Answer device 7；
（4）Secondary hydrogenation
In secondary hydrogenation reactor 7, in temperature（120~160 DEG C）, pressure (0.5Mpa), air speed（1hˉ）Under the conditions of carry out
Hydrogenation dearomatization hydrocarbon reaction, it is anti-by secondary hydrogenation by the generation oil and excess hydrogen after secondary hydrogenation as arene content ﹤ 0.5ppm
The bottom of device 7 is answered to exit into First Heat Exchanger 13；
（5）Refrigerated separation obtains finished product
Secondary hydrogenation generation oil enters condenser 14 after being exchanged heat with raw material heavy hydrocarbon in First Heat Exchanger 13, then condensed
Device 14 enters cooling separator 8 after cooling down, and obtains finished product after gas-liquid separation in cooling separator 8, and conveying goes product oil to delay
Tank is rushed, when the oil product in detection product oil surge tank meets the ppm of arene content ﹤ 0.5, sulfur content 3 ppm of ﹤, product oil is buffered
Oil product in tank is conveyed into finished pot, and the oil product in the finished pot is petroleum industry environment-friendly type drilling mud oil of the present invention；
Compressed through circulating hydrogen compressor after mixing with supplement hydrogen from the recycle hydrogen out of cooling separator 8, send and mix with raw material or do cold
Hydrogen is used.
Henchnmrk test in embodiment 2, petroleum industry environment-friendly type drilling mud grease chamber
First, basic property contrast
The performance data table of the base oil of table 1
From table 1, sulfur content, the arene content of petroleum industry environment-friendly type drilling mud oil are all very low, show oil
The LC50 values of industry environmental protection type drilling mud oil are maximum, and toxicity is minimum.Petroleum industry environment-friendly type drilling mud is big with oil flash point
It is safe in 95 DEG C.Aromatic hydrocarbons has deep-etching to act on drilling equipment, and arene content is unsuitable too high in the good base oil of performance,
Petroleum industry environment-friendly type drilling mud oily arene content is well below diesel oil, and petroleum industry environment-friendly type drilling mud is oily
Arene content is far below other base oils, and toxicity is minimum, the feature of environmental protection is good.
2nd, toxicity contrast
Diesel oil, petroleum industry environment-friendly type drilling mud to same amount are made to score with the drilling liquid toxicity that oil is prepared
Analysis, as shown in table 2：
The toxotest data (%) of table 2
From table 2, petroleum industry environment-friendly type drilling mud is big with oily drilling fluid, diesel oil drilling liquid toxicity difference, oil
Industry environmental protection type drilling mud is low with oily drilling liquid toxicity.
Claims (1)
1. a kind of petroleum industry environment-friendly type drilling mud is oily, it is characterised in that：It is heavy hydrocarbon to prepare the oil raw material, the heavy hydrocarbon
Physical and chemical index it is as follows：
Boiling range：80~280 DEG C,
Condensation point：- 20~-40 DEG C,
Flash-point：30~50 DEG C,
Sulfur content：250ppm,
Arene content：6~8%,
Olefin(e) centent：2~3%；
Heavy hydrocarbon is isolated into solvent naphtha, washing gasoline and bottom of towe oil in fractionating column, hydrofinishing further is carried out to bottom of towe oil
And desulfuration purification, sulphur component therein and aromatic hydrocarbons are removed, it is refined to sulfur content ﹤ 3 ppm, arene content ﹤ 0.5 ppm of bottom of towe oil
When, the bottom of towe oil after this is refined is environment-friendly type drilling mud oil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510246081.8A CN104910950B (en) | 2015-05-15 | 2015-05-15 | Petroleum industrial environment-friendly type drilling slurry oil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510246081.8A CN104910950B (en) | 2015-05-15 | 2015-05-15 | Petroleum industrial environment-friendly type drilling slurry oil |
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| CN104910950B true CN104910950B (en) | 2017-05-24 |
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Address after: Heilongjiang Province, Daqing City Ranghulu District 163000 Street Grand Park wind chemical Street No. 8 Applicant after: DAQING ZHONGZHIYUAN TECHNOLOGY DEVELOPMENT CO., LTD. Applicant after: Northeast Petroleum University Address before: 163318 Daqing high tech Development Zone, Heilongjiang Province Road No. 199 Applicant before: Northeast Petroleum University Applicant before: DAQING ZHONGZHIYUAN TECHNOLOGY DEVELOPMENT CO., LTD. |
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Effective date of registration: 20180321 Address after: Room 160, room D-1, service park, No. 8, new wind road, Daqing new wind road, Heilongjiang Province Patentee after: Daqing Jintai science and Technology Co., Ltd. Address before: Heilongjiang Province, Daqing City Ranghulu District 163000 Street Grand Park wind chemical Street No. 8 Co-patentee before: Northeast Petroleum University Patentee before: DAQING ZHONGZHIYUAN TECHNOLOGY DEVELOPMENT CO., LTD. |
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