43 results about "SULFONATED PHENOL" patented technology

The invention discloses a deepwater drilling fluid. Every 1L of base slurry is composed of 1g of xanthan gum XC, 10-20g of sodium carboxymethyl cellulose, 20-30g of sulfonated phenol formaldehyde resin SMP-2, 30-50g of sodium silicate, 10g of polyvinylpyrrolidone PVP-K90, 15g of high modified asphalt KAHM, 50-100g of sodium chloride, 0.5g of sodium dodecyl benzene sulfonate, 0.5-1g of graphite and 0.2-0.5g of polyformaldehyde. The drilling fluid has the advantages of stable properties under cold conditions, favorable rheological behavior, high debris carrying capacity, excellent mud shale hydration expansion inhibition capacity, excellent hydrate generation inhibition capacity, low economic cost and small environmental pollution, and is especially suitable for deepwater drilling.

The invention provides a method for preparing a fluid loss agent. The method comprises the following steps of: a) mixing phenol, sulphuric acid, trimethylamine and a first solvent, and reacting to generate cation phenol; b) mixing an alkaline aqueous solution, lignite and a second solvent, and reacting to obtain sodium humate slurry; and c) mixing the sodium humate slurry with cation phenol, sodium sulfite and a third solvent, and carrying out polymerization to obtain the fluid loss agent. The fluid loss agent provided by the invention is obtained by firstly carrying out cationization on phenol, mixing with the sodium humate slurry and carrying out polymerization, both a humic acid group and a sulfonated phenol group are contained in the molecule of the fluid loss agent, a molecular chainis longer, and a sulfonic acid group has strong inhibition and tolerance effects to various metal ions in soil, thus mud viscosity can not be improved, a mud cake formed by a drilling fluid and soil is compact and is difficult to collapse. Besides, a benzene ring exists, thus the fluid loss agent prepared by the preparation method provided by the invention also has the characteristics of high-temperature resistance and high-pressure resistance.

The invention relates to a drilling fluid for drilling of a fractured igneous rock formation and a preparation method of the drilling fluid in the field of petroleum drilling. The drilling fluid is prepared from components in parts by weight as follows: 1,000 parts of water, 3-4 parts of drilling fluid bentonite, 2-3 parts of sodium carbonate, 2-3 parts of a polymer coating agent, 2-3 parts of potassium polyacrylate or a metal cation polymer, 5-10 parts of an organic amine inhibitor, 20-30 parts of an anti-sloughing reinforced wall fixation agent, 20-30 parts of sulfonated phenol formaldehyderesin, 5-10 parts of a sulfonate copolymer filtrate reducer, 20-30 parts of walchowite, 10-20 parts of an anti-salt and temperature-resistant fluid loss agent, 20-40 parts of superfine calcium carbonate, 50-70 parts of potassium chloride, 0-10 parts of an organic anti-friction compound and 10-20 parts of a nano-micro blocking agent, and the weight is increased to 1.30-1.85 g/cm<3> with a density weighting agent. The drilling fluid has good temperature resistance and lubricating property and excellent inhibition property and anti-sloughing wall fixation property and can effectively prevent thefractured igneous rock formation from collapsing; the rock carrying capability of the drilling fluid can be substantially improved, repeated grinding of larger falling blocks nearby a drill bit is prevented, the frictional resistance is reduced, the mechanical drilling speed is increased, and underground safety is guaranteed.

The invention discloses a preparation method of a sulfonated bisphenol A-formaldehyde condensate superplasticizer, which comprises the following steps of weighing bisphenol A, sodium hydrogen sulfite and water, and adding into a reaction kettle with a stirrer, a thermometer, a dropping funnel and a reflux condensing tube; dropwise adding sodium hydroxide to adjust the pH value of the solution, and increasing the temperature of the solution to 70 DEG C; dropwise adding a formaldehyde solution, and heating and reacting for 6 hours; adding urea and naturally cooling to room temperature; curing the product in the reaction kettle for 6 hours. Compared with the traditional superplasticizer adopting concentrated sulfuric acid as a sulfonating agent, the discharge of strong acid and strong base solutions is avoided in the production process, and green production is realized; compared with the traditional production process of sulfonated bisphenol-formaldehyde condensate, the influence on human bodies and environment is reduced, green production is realized, the material cost is saved, and the pollution discharge cost is reduced.

A preparation method for sulfonated-phenol-formaldehyde resin formed by modifying benzoxazine resin includes the steps that (1), bisphenol A type benzoxazine with the particle size smaller than or equal to 25 mm is pulverized to be powder through a pulverizing machine, wherein the particle size of the powder is 10 micrometers-125 micrometers, and the powder is standby; (2), the powder obtained in the step (1) and modified sulfonated phenolic resin agents are thrown into a reaction kettle according to the mass ratio of 1:20, mixed, stirred for one hour at the temperature of 105 DEG C and then delivered into an ultrasonic emulsifying device through a discharging pump to be ultrasonically emulsified for 20 minutes to obtain a mixed solution, and the mixed solution is standby; (3), spraying drying is performed on the mixed solution in the step (2) to obtain the modified sulfonated-phenol-formaldehyde resin. The sulfonated-phenol-formaldehyde resin can be resistant to high temperature of 200 DEG C, has an obvious effect of lowering the filter loss of drilling fluid and can meet the requirements for three high well drilling.

The invention discloses a preparation method of a high-temperature-resistant modified sulfonated phenol formaldehyde resin for drilling fluids, which comprises the following steps: 1) adding a phenol reactant, an aldehyde reactant and an acid catalyst into a reaction kettle, mixing, and reacting at 50-110 DEG C for 10-400 minutes; 2) adding an alkali catalyst and an aldehyde reactant into the reaction kettle, keeping the temperature at 50-110 DEG C, adding a sulfonating agent in batches, and reacting for 10-600 minutes; and 3) after the reaction finishes, cooling, discharging, and carrying out spray drying to obtain the product. The temperature resistance of the modified sulfonated phenol formaldehyde resin product can reach 200 DEG C. The high-temperature high-pressure filter loss of the drilling fluid under the aging condition of 200 DEG C can be effectively lowered as compared with the base mud, and the salt resistance can reach the salt concentration of 15% NaCl.

The invention discloses brown coal resin for a drilling fluid and a production technology of the brown coal resin. Brown coal and sulfonated phenolic resin are used as main materials, sulfonated phenol humic acid with excellent salt resistance and high-temperature resistance is introduced, and the brown coal resin has remarkable high-temperature-resistant, filtration loss reduction and salt-resistant performance after being modified with a basifier and a sulfonating agent and has anti-collapse and viscosity control effects. A small amount of carboxymethyl cellulose is added, and the carboxymethyl cellulose has excellent stability and still has significant performance at 150 DEG C or above; meanwhile, trimethylamine and sulfomethyl sodium humate with excellent temperature resistance, salt resistance and calcium and magnesium ion resistance are introduced, the adsorption capacity of sulfonated phenolic resin and clay is enhanced, the temperature resistance and the salt resistance of theproduct are effectively improved, the value of the product is increased, the addition amount is small, the filtration loss reduction effect is significant, and excellent filtration loss reduction performance can be produced after only 1.0% of base slurry is added.

The invention relates to a stabilizer for drilling fluids and a preparation method thereof. The stabilizer for drilling fluids comprises a sulfonated lignite resin, a sulfonated phenol formaldehyde resin, high-strength polypropylene fibers, polyethyleneglycol and acetoxime. The method comprises the following step: stirring and mixing the sulfonated lignite resin, sulfonated phenol formaldehyde resin, high-strength polypropylene fibers, polyethyleneglycol and acetoxime to obtain the stabilizer. The stabilizer for drilling fluids can well inhibit the degradation of the drilling fluid in the deep well under the conditions of high pressure, high sulfur content and high risk, thereby performing the high-temperature stabilizing function, and improving the rheological property of the drilling fluid system. The stabilizer for drilling fluids has lower water loss, and the water loss change rate before and after high temperature can be controlled within 30%.

The present invention provides a mud for large borehole drilling in oil drilling, and belongs to the field of oil drilling engineering. In order to solve the problem that in a oil drilling process, large borehole can easily cause wall collapse, which seriously affects the drilling speed and efficiency, and hinder progress of oil exploration and development work, the present invention provides the mud for large borehole drilling. The formula is: 30-40 parts of bentonite; 0.2-0.3 part of positive gel; 0.2-0.3 part of positive gel structuring agent; 0.6-1 part of sulfonated lignin sulfonic methyl phenol resin; 3-5 parts of lignite resin; 3-5 parts of sulfonated asphalt; 0.03-0.05 part of copolymers of vinyl monomers polyhydric; 1-3 parts of sulfonated phenol-formaldehyde resin; and 1000 parts of water. According to the mud for large borehole drilling provided by the present invention, raw materials and content for choice has outstanding leak-proof and wall protection effects, and applies to drilling in understable highly deviated wells, horizontal wells, easily dilapidated strata, and large wellbore with high earth strata dips, and high and steep constructions in East Sichuan region.

The present invention concerns the use of a radioiodinated phenolic compound of the formula

wherein: m and n are independently 0, 1, 2 or 3, X is a group that is negatively or positively charged at physiological pH, R, R¹, R² and R³ are independently hydrogen, C₁-C₄ alkyl, or a carboxyl group, and I* is ¹²³I, ¹³¹I or ¹²⁵I, and its pharmaceutically-acceptable salts. The compound is formulated and used in vivo in an animal in brachytherapy in an implantable catheter. In addition, due to the rapid renal clearance of these compounds, they may be used to study renal function. A process to prepare these compounds is also disclosed.

The invention discloses a high temperature-resisting fluid loss agent for drilling fluid. The high temperature-resisting fluid loss agent is characterized by being prepared from the following components and raw materials in percentage by mass: 10 to 15 percent of abietic acid, 8 to 12 percent of glycerol, 30 to 40 percent of sulfonated bitumen, 10 to 12 percent of cationic starch, 10 to 20 percent of temporary plugging agent, 12 to 14 percent of high temperature stabilizer and 0.5 to 1.0 percent of deoxidant, wherein the cationic starch is prepared from starch tert-amino alkyl ether and quaternary ammonium starch ether; the high temperature stabilizer is prepared from sulfonated phenol-formaldehyde resin and sulfonated lignite resin; the temporary plugging agent is prepared from tert-butyl phenolic curing resin, octyl phenolic curing resin and calcium carbonate. The high-temperature resistance is up to 250 DEG C, no blistering exists, the viscosity effect is low, the compatibility is good, a product contains rigid particles and softening film-forming particles in different size grading, the product directly participate in mud cake forming, a high-strength adsorption film is formed on the surface of the mud cake, the permeability rate of the mud cake is reduced, the quality of the mud cake is improved, and the function of reducing high-temperature high-pressure filter loss is achieved.

A process for preparing amide derivant, comprises reacting fatty group amide with aldehydes in methyl alcohol or carbon tetrachloride or benzene or methylbenzene or dioxane or acetonitrile with the presence of catalyst, and separating the reaction product, characterized in that the catalyst is type H strong acidic positive ion exchange resin, the aldehyde is selected from the groups of paraformaldehyde, acetaldehyde, propionaldehyde, chloral, bromal, glyoxylic acid, 4-bromobenzaldehyde, 3-bromobenzaldehyde, hydrosulfide acetaldehyde, p-nitrobenzaldehyde, and 4-hydroxybenzaldehyde. The formula of the fatty group amide is described in the specification, wherein R 2 is saturated or unsaturated fatty group having 2-12 carbon atoms, the type H strong acidic positive ion exchange resin is sulphonated coal, sulfonated phenylethene copolymer or sulfonated phenol formaldehyde resin.

The invention relates to a method for preparing a moisture holding and restoring lotion and belongs to the technical field of cosmetics. The method comprises the steps that firstly, silkworm cocoons and fly maggots are adopted as nutritional supplementing raw materials, and rich amino acid and antibacterial polypeptide are obtained through ball milling and enzymolysis to supply nutrients to damaged skin; meanwhile, bacterial infection is avoided; by means of sulfonated phenol, zymolyte, salicylic acid and polyglutamic acid, under the action of uric acid and formaldehyde, a similar polymer withsulfonated phenol-salicylic acid polymerized and combined with polyglutamic acid is formed firstly, chitosan is supported, and a restoring agent can fast permeate into the skin by means of an aid; the sulfonated phenol-salicylic acid polymer is combined with damaged skin collagen, polymerized ammonia acid is utilized for filling, and skin restoration is promoted; by means of ingredients in an annex solution, the blood circulation of the face skin is promoted, absorption to nutrient substances is improved, and then skin repairing is promoted.