CN100519687C - Preparation of high temperature resistant lubricant for drilling liquid by animal plant oil - Google Patents
Preparation of high temperature resistant lubricant for drilling liquid by animal plant oil Download PDFInfo
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- CN100519687C CN100519687C CNB2007101583981A CN200710158398A CN100519687C CN 100519687 C CN100519687 C CN 100519687C CN B2007101583981 A CNB2007101583981 A CN B2007101583981A CN 200710158398 A CN200710158398 A CN 200710158398A CN 100519687 C CN100519687 C CN 100519687C
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Abstract
The invention provides liquid temperature-resistant lube for drilling made from animal and vegetable oils and fats. 50-70 weight portions of deserted oils and fats, 3-10 portions of Ethanolamine, 5-20 portions of Diethylene glycol are mixed to do esterified reaction. 1-3 portions of sulfur are added to do sulfuration reaction. The reaction product is added with 2-5 portions of oil-soluble resin and 10-30 portions of graphite powder and then is mixed and stirred well. The liquid temperature-resistant lube is obtained. The liquid temperature-resistant lube for drilling made from the animal and vegetable oils and fats is characterized by reasonable compatibility, no pollution and no disturbance to the quality of the lubricant logging for prospecting well, etc. The invention has wide applicability and is the lube with high efficiency in the process of prospecting well and various complex well constructions. In particular, the invention is little poisonous as lube for marine well exploration and is completely qualified for the discharge standard.
Description
Technical field
The invention belongs to petroleum drilling with lubricator, particularly relate to a kind of high temperature resistant lubricant for drilling liquid made from animal and vegetable oil leftover, be applicable in deep-well, ultra deep well, high-inclination directional well, horizontal well, the offshore drilling.
Background technology
The pressure differential sticking accident usually taking place in the Process of Oil Well Drilling, prevent that the technological measure the most effective, commonly used of pressure differential sticking from being to add lubricant in drilling fluid, improves the oilness on drilling fluid and mud cake surface, thereby reach the purpose that prevents bit freezing.The lubricant of Shi Yonging is crude oil or its finished product (as diesel oil and white oil) the earliest, and its advantage is to use conveniently, can satisfy the requirement of lubricate and sticking control to a certain extent.But its shortcoming is: the one, and poor with the mutual solubility of water-base drilling fluid, need to add a certain amount of emulsifying agent; The 2nd, there is not adsorption group, can not be adsorbed on surface of clay and form oil film; Three add-ons are big.Artificial preparation lubricant commonly used has two classes, and a class is to add tensio-active agent and the oil soluble lubricating agent that obtains in crude oil, diesel oil, and another kind of is to add macromolecular material and tensio-active agent and the soluble oil that obtains in water.Though this two series lubricant agent has solved with mutual solubility, the adsorptivity of drilling fluid and has improved the film-forming properties problem, also is significantly increased on the anti-sticking lubricant effect.But owing to the activity of some tensio-active agents is strong, be added to often to cause the drilling fluid foaming in the drilling fluid, drilling fluid density is descended, influence the last water efficient of slush pump, also need add defoamer elimination foam.In addition in the environmental sensitivity area,, add the requirement that the drilling fluid behind the lubricant does not often reach environment protection emission as near drilling well sea and the sea farming ground; Because of the admission geologic information need have the fluorescence requirement to lubricant, require the lubricant fluorescence grade low during the probing well; The probing well requires under lubricant high temperature resistance and the extreme pressure condition good film-forming property etc., and these are all had higher requirement to lubricant properties.
Summary of the invention
The present invention is intended to solve existing lubricant can not satisfy the comprehensive requirement that improves drilling well oilness, pollution-free, low fluorescence, high temperature resistance and anti-salt simultaneously, developed and a kind ofly made high temperature resistant lubricant for drilling liquid with animal-plant oil and new production technique, changed lubricant properties, make it on the basis of satisfying the lubricate and sticking control performance, high-temperature resistance is brought up to more than 180 ℃, had the characteristics of environmental protection, anti-salt and low fluorescence.
The preparation of high temperature resistant lubricant for drilling liquid by animal plant oil of the present invention's development is to carry out esterification reaction with waste grease and thanomin, Diethylene Glycol; Adopt sulphur to carry out vulcanization reaction then; Reaction product is added oil-soluble resin and Graphite Powder 99 is made again, and its concrete steps are as follows:
A, esterification: 3～10 parts of 50～70 parts of waste greases, thanomin mixed for 5～20 parts mutually with Diethylene Glycol carry out esterification, temperature of reaction is controlled at 110～130 ℃, and the reaction times is 1.5～3 hours;
B, vulcanization reaction: get 1～3 part in sulphur and add in the reactant that a step makes, temperature of reaction is controlled at 140～160 ℃, and the reaction times is 3～6 hours;
C, in the reactant that the b step makes, add 10～30 parts of 2～5 parts of oil-soluble resins and Graphite Powder 99s, mix, stir, promptly make high temperature resistant lubricant for drilling liquid.
Above-mentioned umber is weight part.
Waste grease of the present invention comprises plant oil leftover and discarded food oils two parts.Plant oil leftover is meant the tankage that Vegetable oil lipoprotein source mill produces in the process of processing refining edible oil.And discard food oils are meant that the mankind produce in edible natural vegetables oil and animal tallow and grease deep-processing process a series of fatty wastes that lose edibleness, comprising: the condensate oil of the treated animal raw fat that obtains of tankage that produces in the animal raw fat that produces in the frying waste oil that cooking and fried food process produce, the baked food process, the animals products normal temperature course of processing, waste cooking oil swill oil, sewer oil, kitchen ventilation system.Animal grease mainly is the oil that utilizes the pig show condition to extract, and this boar show condition mainly is a grease remaining behind food processing plant's converted products, and anorexia is used.Animal grease and plant oil leftover can be used alone, but also also mix together, and ratio is 2～4:6～9 when mixing use.Oil-soluble resin mainly refers to rosin.
Preparation of high temperature resistant lubricant for drilling liquid by animal plant oil temperature resistance of the present invention reaches 180 ℃, and good film-forming property, and lubricity is strong under extreme pressure conditions such as drill bit position, can be used for various drilling fluid systems such as fresh water, salt solution; Secondly, raw material used in the present invention is not a mineral oil, but the tankage (waste oil that produces in the waste oil that produces in for example process hides process, the agricultural byproducts processing, trench wet goods) of industry or civilian vegetable and animals oils; The 3rd, the present invention is carrying out not producing pollutents such as any waste gas, waste residue in the synthesis modification process to raw material.
Lubricant of the present invention not only has the outstanding effect at long horizontal traverse well eye and bad ground lubricate and sticking control, have simultaneously with the drilling fluid excellent compatibility, free from environmental pollution, do not disturb characteristics such as prospect pit fluorologging quality, has extensive applicability, it is the highly-efficient lubricant in deep drilling, prospect pit and the various complicated well construction process, especially as marine drilling with lubricator the time, bio-toxicity is very low, reaches emission standard fully.
Embodiment
Embodiment 1
Preparation of high temperature resistant lubricant for drilling liquid by animal plant oil of the present invention is to be prepared from by the waste grease of following weight part, thanomin, Diethylene Glycol, sulphur, oil-soluble resin and Graphite Powder 99, and its concrete preparation method is as follows:
A, esterification: 3～10 parts of 50～70 parts of waste greases, thanomin mixed for 5～20 parts mutually with Diethylene Glycol carry out esterification, temperature of reaction is controlled at 110～130 ℃, and the reaction times is 1.5～3 hours;
B, vulcanization reaction: get 1～3 part in sulphur and add in the reactant that a step makes, temperature of reaction is controlled at 140～160 ℃, and the reaction times is 3～6 hours;
C, in the reactant that the b step makes, add 10～30 parts of 2～5 parts in rosin and Graphite Powder 99s, mix, stir, promptly make high temperature resistant lubricant for drilling liquid.
Embodiment 2
Preparation of high temperature resistant lubricant for drilling liquid by animal plant oil of the present invention is to be made by following operation steps:
A, esterification: 3 parts of 50 parts of plant oil leftovers, thanomin mixed for 5 parts mutually with Diethylene Glycol carry out esterification, temperature of reaction is controlled at 110～120 ℃, and the reaction times is 1.5 hours;
B, vulcanization reaction: get 1 part in sulphur and add in the reactant that a step makes, temperature of reaction is controlled at 140～150 ℃, and the reaction times is 3 hours;
C, in the reactant that the b step makes, add 10 parts of 2 parts in rosin and Graphite Powder 99s, mix, stir, promptly make high temperature resistant lubricant for drilling liquid.
Embodiment 3
Preparation of high temperature resistant lubricant for drilling liquid by animal plant oil of the present invention is to be made by following operation steps:
A, esterification: 10 parts of 70 parts of animal grease, thanomin mixed for 20 parts mutually with Diethylene Glycol carry out esterification, temperature of reaction is controlled at 120～130 ℃, and the reaction times is 3 hours;
B, vulcanization reaction: get sulphur and add the reactive material that a step makes for 3 parts, temperature of reaction is controlled at 150～160 ℃, and the reaction times is 6 hours;
C, in the reactant that the b step makes, add 30 parts of 5 parts in rosin and Graphite Powder 99s, mix, stir, promptly make high temperature resistant lubricant for drilling liquid.
Embodiment 4
Preparation of high temperature resistant lubricant for drilling liquid by animal plant oil of the present invention is to be made by following operation steps:
A, esterification: 5 parts of 18 parts of animal grease, 42 parts of plant oil leftovers, thanomin mixed for 10 parts mutually with Diethylene Glycol carry out esterification, temperature of reaction is controlled at 115～125 ℃, and the reaction times is 2 hours;
B, vulcanization reaction: get 2 parts in sulphur and add in the reactant that a step makes, temperature of reaction is controlled at 145～155 ℃, and the reaction times is 4 hours;
C, in the reactant that the b step makes, add 20 parts of 3 parts in rosin and Graphite Powder 99s, mix, stir, promptly make high temperature resistant lubricant for drilling liquid.
The effect experiment of lubricant of the present invention:
(1) lubricant fluorometric investigation result of the present invention is, does according to no fluorescence to show, wet do not have influence according to showing that fluorescence grade is 3～5 grades, adding in the drilling fluid to geological logging.
(2) adopt lubricant of the present invention: ethanol is the ratio of 1:2 or 2:1, or lubricant of the present invention: after Diethylene Glycol is the dilution proportion of 2:1, to 96 hours toxic limit medium dose (96hCL of the young shrimp of Chinese prawn
50) be respectively 16200ppm, 24300ppm and 27100ppm.Toxic limit medium dose to long-armed shrimp of sawtooth and bay scallop after lubricant of the present invention dilutes with ethanol 1:1 is respectively 11000ppm and 18000ppm.According to internationally recognized standard, lubricant of the present invention (three kinds of different dilution process) reaches " actual nontoxic ".
(3) the present invention adopts animal grease 18 grams, plant oil leftover 42g, thanomin 4g, Diethylene Glycol 15g, carries out esterification reaction under 120 ℃, adds sulphur 2g when being warming up to 150 ℃ then and carries out vulcanization reaction; Reaction product stirred at 80 ℃ of following rosin 5g, Graphite Powder 99 20g obtains the brownish black viscous liquid, and it is added in the different drilling fluids, and its lubricant effect is as follows:
The lubricant effect of lubricant of the present invention in different drilling fluids
Annotate: the 1# slurry is polymer drilling fluid, and the 2# slurry is the decentralized drilling fluid, and the 3# slurry is the seawater base drilling fluid.
This is shown listed performance and all adopts the drilling fluid instrumentation that meets national standard to measure.
To specifying of last table:
1, in polymer drilling fluid, add 0.5%, 1.0%, 1.5% lubricant of the present invention respectively, after 180 ℃ of heating, record the lubricating coefficient reduced rate and be respectively 59.6%, 65.7% and 84.2%.
2, in the decentralized drilling fluid, add 0.5%, 1.0%, 2.0% lubricant of the present invention respectively, after 180 ℃ of heating, record the lubricating coefficient reduced rate and be respectively 47.4%, 87.5% and 96.8%.
3, in the seawater base drilling fluid, add 1.5% lubricant of the present invention, after 180 ℃ of heating, record lubricating coefficient reduced rate 89.6%.
Claims (3)
1, the high temperature resistant lubricant for drilling liquid of animal-plant oil preparation is that waste grease, thanomin, Diethylene Glycol, sulphur, oil-soluble resin and the Graphite Powder 99 by following weight part is prepared from, and its preparation method is as follows:
A, esterification: 3～10 parts of 50～70 parts of waste greases, thanomin mixed for 5～20 parts mutually with Diethylene Glycol carry out esterification, temperature of reaction is controlled at 110～130 ℃, and the reaction times is 1.5～3 hours;
B, vulcanization reaction: get 1～3 part in sulphur and add in the reactant that a step makes, adjust temperature of reaction to 140～160 ℃, the reaction times is 3～6 hours;
C, in the reactant that the b step makes, add 10～30 parts of 2～5 parts of oil-soluble resins and Graphite Powder 99s, mix, stir, promptly make high temperature resistant lubricant for drilling liquid;
Described waste grease is tankage or animal grease and the above-mentioned greasy mixture that produces in swill oil, sewer oil, frying waste oil, the vegetables oil treating process;
Described oil-soluble resin is a rosin.
2, the high temperature resistant lubricant for drilling liquid of animal-plant oil as claimed in claim 1 preparation, when it is characterized in that the tankage that produce in animal grease and the vegetables oil treating process mix use, its blending ratio is 2～4:6～9.
3, the high temperature resistant lubricant for drilling liquid of animal-plant oil as claimed in claim 2 preparation, the tankage that it is characterized in that producing in animal grease and the vegetables oil treating process are than being 3:7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101583981A CN100519687C (en) | 2007-11-20 | 2007-11-20 | Preparation of high temperature resistant lubricant for drilling liquid by animal plant oil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101583981A CN100519687C (en) | 2007-11-20 | 2007-11-20 | Preparation of high temperature resistant lubricant for drilling liquid by animal plant oil |
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| CN101157850A CN101157850A (en) | 2008-04-09 |
| CN100519687C true CN100519687C (en) | 2009-07-29 |
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| CN104194739A (en) * | 2014-08-01 | 2014-12-10 | 无棣华信石油技术服务有限公司 | Lubricant for drilling fluid and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194739A (en) * | 2014-08-01 | 2014-12-10 | 无棣华信石油技术服务有限公司 | Lubricant for drilling fluid and preparation method thereof |
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| CN101157850A (en) | 2008-04-09 |
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Assignee: Daqing Jingcheng Chemical Co., Ltd. Assignor: Xiao Ying Contract fulfillment period: 2009.9.20 to 2014.9.19 contract change Contract record no.: 2009230000027 Denomination of invention: Preparation of high temperature resistant lubricant for drilling liquid by animal plant oil Granted publication date: 20090729 License type: Exclusive license Record date: 20091015 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.9.20 TO 2014.9.19; CHANGE OF CONTRACT Name of requester: DAQING JINGCHENG CHEMICAL INDUSTRY LIMITED LIABILI Effective date: 20091015 |
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Granted publication date: 20090729 Termination date: 20111120 |