CN1305965C - Cation asphalt anti-collapse agent emulsion and its producing method and using method - Google Patents
Cation asphalt anti-collapse agent emulsion and its producing method and using method Download PDFInfo
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Abstract
一种阳离子沥青防塌剂乳胶,其按重量百分比组成为40%至56%的沥青,0至10%的软化点调节剂,0.7%至3.0%的乳化分散剂,0至16%的降滤失剂,其余为水。本发明阳离子沥青防塌剂乳胶具有沥青含量高(大于40%)、带正电水溶性好(好比墨水加入水中效果一样,均匀、无沉淀)、防塌降滤失效果好、成本低的特点,利用本发明,既解决了沥青难溶于水基钻井液体系的问题,又利用沥青自身的粘附、防漏、防塌等特点,来解决钻井工业中井壁剥失、散塌、垮塌等现象,其水溶性好,沥青含量高,封堵降滤失效果好,且具有一定的软化点,是目前水溶性较好的沥青类防塌降滤失剂,具有广阔的应用前景。本发明的生产方法和使用方法便于操作,易于实施。A cationic asphalt anti-slump agent latex, which is composed of 40% to 56% asphalt by weight percentage, 0 to 10% softening point regulator, 0.7% to 3.0% emulsifying dispersant, and 0 to 16% filter reducer Lost agent, the rest is water. The cationic asphalt anti-slump agent latex of the present invention has the characteristics of high asphalt content (greater than 40%), good positively charged water solubility (like the effect of adding ink to water, uniform and no precipitation), good anti-slump and filtration loss reduction effects, and low cost. , using the present invention not only solves the problem that asphalt is insoluble in water-based drilling fluid system, but also utilizes the characteristics of asphalt itself such as adhesion, leakage prevention, and anti-slump to solve the problem of well wall stripping, loosening, and collapse in the drilling industry. Phenomenon, it has good water solubility, high bitumen content, good plugging fluid loss control effect, and has a certain softening point. It is currently a bitumen anti-slump fluid loss control agent with good water solubility, and has broad application prospects. The production method and application method of the invention are convenient to operate and easy to implement.
Description
技术领域technical field
本发明涉及油田钻井液生产中使用的水溶性沥青类防塌降滤失剂,是一种阳离子沥青防塌剂乳胶及其生产方法和使用方法。The invention relates to a water-soluble bitumen anti-slump agent used in oilfield drilling fluid production, and is a cationic asphalt anti-slump agent latex and its production method and use method.
背景技术Background technique
在油田钻井液生产中,所使用的沥青类防塌降滤失剂目前有磺化沥青、天然沥青,应用效果较好,但唯独水溶性较差,软化点较高,在现场使用时不好将沥青直接加入水基钻井液中,而石油钻井工程使用的钻井液体系中90%为水基钻井液体系,且随着钻井工程的复杂难度日益增大及环保要求的逐渐提高,对水溶性防塌降滤失剂需求愈加强烈,而传统的磺化沥青、天然沥青,其水溶性都较差(对比见表1),磺化沥青含量大于等于25%,有65%溶于水,单价6500元/吨,而天然沥青虽然沥青含量高,但几乎不溶于水,且软化点在80℃以上,仅使用在3500米以上的地层,使用范围较窄。In oilfield drilling fluid production, asphalt-based anti-slump and fluid loss agents currently include sulfonated asphalt and natural asphalt, which have good application effects, but only have poor water solubility and high softening point, so they are not suitable for field use. It is best to add asphalt directly into the water-based drilling fluid, and 90% of the drilling fluid system used in petroleum drilling is water-based drilling fluid system, and with the increasing complexity and difficulty of drilling engineering and the gradual improvement of environmental protection requirements, the water-soluble The demand for anti-slump and fluid loss reducing agents is becoming stronger and stronger, while traditional sulfonated asphalt and natural asphalt have poor water solubility (see Table 1 for comparison). The content of sulfonated asphalt is greater than or equal to 25%, and 65% is soluble in water. The unit price is 6,500 yuan/ton. Although natural asphalt has a high asphalt content, it is almost insoluble in water, and its softening point is above 80°C. It is only used in formations above 3,500 meters, and its use range is relatively narrow.
发明内容Contents of the invention
本发明提供了一种阳离子沥青防塌剂乳胶及其生产方法和使用方,其水溶性好,沥青含量高,封堵降滤失效果好,且具有一定的软化点,既解决了沥青难溶于水基钻井液体系的问题,又解决了钻井工业中井壁剥失、散塌、垮塌等现象。The invention provides a cationic asphalt anti-slump agent latex and its production method and usage. It has good water solubility, high asphalt content, good effect of plugging and reducing fluid loss, and has a certain softening point, which not only solves the problem of insoluble asphalt Based on the problems of the water-based drilling fluid system, it also solves the problems of well wall stripping, loosening, and collapse in the drilling industry.
本发明的技术方案之一是通过以下措施来实现的:一种阳离子沥青防塌剂乳胶,其按重量百分比组成为40%至56%的沥青,0至10%的软化点调节剂,0.7%至3.0%的乳化分散剂,0%至16%的降滤失剂,其余为水;其中,上述软化点调节剂为氯化钙、碳酸钙、氧化钙和碳酸氢钙中的一种或一种以上,上述乳化分散剂为氯化三甲基十八烷基胺、二甲基双十二烷基氯化铵、氯化双十八烷基二甲基铵、氯化二甲基双十六—十八烷基铵、双十六烷基二甲基烷基氯化铵中的—种或一种以上,上述降滤失剂为NF98-7双聚胺盐、磺化褐煤、腐殖酸钾、磺化栲胶中的一种或一种以上。One of the technical solutions of the present invention is achieved by the following measures: a cationic asphalt anti-slump agent latex, which consists of 40% to 56% asphalt by weight percentage, 0 to 10% softening point regulator, 0.7% to 3.0% emulsifying dispersant, 0% to 16% fluid loss control agent, and the rest are water; wherein, the above-mentioned softening point regulator is one or one of calcium chloride, calcium carbonate, calcium oxide and calcium bicarbonate More than one kind, the above-mentioned emulsifying dispersant is trimethyl octadecylamine chloride, dimethyl didodecyl ammonium chloride, dioctadecyl dimethyl ammonium chloride, dimethyl didecyl chloride One or more of hexa-octadecyl ammonium, dihexadecyl dimethyl ammonium chloride, the above-mentioned fluid loss reducer is NF98-7 bispolyamine salt, sulfonated lignite, humic One or more of potassium nitrate and sulfonated tannin extract.
本发明的技术方案之二是通过以下措施来实现的:一种上述阳离子沥青防塌剂乳胶生产方法,其按下述步骤进行:首先将所需量的沥青及水分别进行加热,沥青升温120-150℃,水升温60-90℃,当水温60-90℃时,将所需要量的软化点调节剂、乳化分散剂及降滤失剂,按顺续每5-10分钟内加入一种,且搅拌均匀,待水温恒温在70-80℃、沥青温度恒温在120-150℃时,进行充分乳化,得到阳离子沥青防塌剂乳胶。The second technical solution of the present invention is achieved by the following measures: a method for producing the above-mentioned cationic asphalt anti-slump agent latex, which is carried out according to the following steps: first, the required amount of asphalt and water are respectively heated, and the asphalt is heated up for 120 -150°C, the water temperature rises to 60-90°C, when the water temperature is 60-90°C, add the required amount of softening point regulator, emulsifying dispersant and fluid loss reducer in sequence every 5-10 minutes , and stir evenly, when the water temperature is constant at 70-80°C and the asphalt temperature is constant at 120-150°C, fully emulsify to obtain cationic asphalt anti-slump agent latex.
本发明的技术方案之三是通过以下措施来实现的:一种上述阳离子沥青防塌剂乳胶生产方法,其按下述步骤进行:首先将所需量的软化点调节剂、乳化分散剂及降滤失剂溶解在所需量的热水中,水温要保持恒温在70-80℃,同时将沥青加热保持恒温120-150℃,其次进行过滤,进行充分乳化,得到阳离子沥青防塌剂乳胶。The third technical solution of the present invention is achieved by the following measures: a method for producing the above-mentioned cationic asphalt anti-slump agent latex, which is carried out according to the following steps: first, the required amount of softening point regulator, emulsifying dispersant and reducing agent The fluid loss agent is dissolved in the required amount of hot water. The water temperature should be kept at a constant temperature of 70-80°C. At the same time, the asphalt is heated to maintain a constant temperature of 120-150°C. Then, it is filtered and fully emulsified to obtain a cationic asphalt anti-slump agent latex.
本发明的技术方案之四是通过以下措施来实现的:一种上述阳离子沥青防塌剂乳胶的使用方法,其按下述步骤进行:在钻井过程中,按每1000千克水基泥浆中加入上述阳离子沥青防塌剂乳胶20-50千克。The fourth technical solution of the present invention is achieved by the following measures: a method for using the above-mentioned cationic asphalt anti-slump agent latex, which is carried out according to the following steps: in the drilling process, add the above-mentioned Cationic asphalt anti-slump agent latex 20-50 kg.
本发明阳离子沥青防塌剂乳胶具有沥青含量高(大于40%)、带正电水溶性好(好比墨水加入水中效果一样,均匀、无沉淀)、防塌降滤失效果好、成本低的特点,利用本发明,既解决了沥青难溶于水基钻井液体系的问题,又利用沥青自身的粘附、防漏、防塌等特点,来解决钻井工业中井壁剥失、散塌、垮塌等现象,其水溶性好,沥青含量高,封堵降滤失效果好,且具有一定的软化点,是目前水溶性较好的沥青类防塌降滤失剂,具有广阔的应用前景。本发明的生产方法和使用方法便于操作,易于实施。The cationic asphalt anti-slump agent emulsion of the present invention has the characteristics of high asphalt content (greater than 40%), good positively charged water solubility (like the effect of adding ink to water, uniform and no precipitation), good anti-slump and filtration loss reduction effects, and low cost. , using the present invention not only solves the problem that asphalt is insoluble in water-based drilling fluid system, but also utilizes the characteristics of asphalt itself such as adhesion, leakage prevention, and anti-slump to solve the problem of well wall stripping, loosening, and collapse in the drilling industry. Phenomenon, it has good water solubility, high bitumen content, good plugging fluid loss control effect, and has a certain softening point. It is currently a bitumen anti-slump fluid loss control agent with good water solubility, and has broad application prospects. The production method and application method of the invention are convenient to operate and easy to implement.
具体实施方式Detailed ways
本发明不受下述实施例的限制,可根据本发明的技术方案与实际情况来确定具体的实施方式。The present invention is not limited by the following examples, and specific implementation methods can be determined according to the technical solutions of the present invention and actual conditions.
下面结合实施例对本发明作进一步描述:The present invention will be further described below in conjunction with embodiment:
实施例1,该阳离子沥青防塌剂乳胶按重量百分比组成为56%沥青,2%软化点调节剂,1.0%乳化分散剂,2%降滤失剂,其余为水;对该阳离子沥青防塌剂乳胶检测得到如下表的结果:
实施例2,该阳离子沥青防塌剂乳胶按重量百分比组成为52%沥青,4%软化点调节剂,0.8%乳化分散剂,4%降滤失剂,其余为水;对该阳离子沥青防塌剂乳胶检测得到如下表的结果:
实施例3,该阳离子沥青防塌剂乳胶按重量百分比组成为50%沥青,9%软化点调节剂,0.7%乳化分散剂,其余为水:对该阳离子沥青防塌剂乳胶检测得到如下表的结果:
实施例4,该阳离子沥青防塌剂乳胶按重量百分比组成为48%沥青,8%软化点调节剂,1.2%乳化分散剂,7%降滤失剂,其余为水;对该阳离子沥青防塌剂乳胶检测得到如下表的结果:
实施例5,该阳离子沥青防塌剂乳胶按重量百分比组成为46%沥青,6%软化点调节剂,1.5%乳化分散剂,10%降滤失剂,其余为水;对该阳离子沥青防塌剂乳胶检测得到如下表的结果:
实施例6,该阳离子沥青防塌剂乳胶按重量百分比组成为45%沥青,2.0%乳化分散剂,12%降滤失剂,其余为水:对该阳离子沥青防塌剂乳胶检测得到如下表的结果:
实施例7,该阳离子沥青防塌剂乳胶按重量百分比组成为42%沥青,2.5%乳化分散剂,14%降滤失剂,其余为水:对该阳离子沥青防塌剂乳胶检测得到如下表的结果:
实施例8,该阳离子沥青防塌剂乳胶按重量百分比组成为40%沥青,10%软化点调节剂,3.0%乳化分散剂,16%降滤失剂,其余为水;对该阳离子沥青防塌剂乳胶检测得到如下表的结果:
在上述实施例1至实施例8中,上述软化点调节剂为氯化钙、碳酸钙、氧化钙和碳酸氢钙中的一种或一种以上,上述乳化分散剂为氯化三甲基十八烷基胺、二甲基双十二烷基氯化铵、氯化双十八烷基二甲基铵、氯化二甲基双十六—十八烷基铵、双十六烷基二甲基烷基氯化铵中的一种或一种以上,上述降滤失剂为NF98-7双聚胺盐、磺化褐煤、腐殖酸钾、磺化栲胶中的一种或一种以上。In above-mentioned embodiment 1 to embodiment 8, above-mentioned softening point adjusting agent is one or more in calcium chloride, calcium carbonate, calcium oxide and calcium bicarbonate, and above-mentioned emulsifying dispersant is trimethyldecyl chloride Octylamine, dimethyl didodecyl ammonium chloride, dioctadecyl dimethyl ammonium chloride, dimethyl dihexadecyl ammonium chloride, dihexadecyl ammonium chloride One or more of methyl alkyl ammonium chloride, the above-mentioned fluid loss control agent is one or one of NF98-7 bispolyamine salt, sulfonated lignite, potassium humate, and sulfonated tannin extract above.
上述实施例1至实施例8中的阳离子沥青防塌剂乳胶可分别选用以下二种生产方法得到:The cationic asphalt anti-collapse agent latex in above-mentioned embodiment 1 to embodiment 8 can select following two kinds of production methods to obtain respectively:
其生产方法之一是:首先将所需量的沥青及水分别进行加热,沥青升温120-150℃,水升温60-90℃,当水温60-90℃时,将所需要量的软化点调节剂、乳化分散剂及降滤失剂,按顺续每5-10分钟内加入一种,且搅拌均匀,待水温恒温在70-80℃、沥青温度恒温在120-150℃时,进行充分乳化,得到阳离子沥青防塌剂乳胶。One of its production methods is: firstly heat the required amount of asphalt and water separately, the temperature of the asphalt is raised to 120-150°C, the temperature of the water is raised to 60-90°C, and when the water temperature is 60-90°C, the softening point of the required amount is adjusted Add one kind of agent, emulsifying dispersant and fluid loss reducer in sequence every 5-10 minutes, and stir evenly, and fully emulsify when the water temperature is constant at 70-80°C and the asphalt temperature is constant at 120-150°C , to obtain cationic asphalt anti-slump agent latex.
其生产方法之二是:首先将所需量的软化点调节剂、乳化分散剂及降滤失剂溶解在所需量的热水中,水温要保持恒温在70-80℃,同时将沥青加热保持恒温120-150℃,其次进行过滤,进行充分乳化,得到阳离子沥青防塌剂乳胶。The second production method is: first dissolve the required amount of softening point regulator, emulsifying dispersant and fluid loss reducer in the required amount of hot water, keep the water temperature at 70-80°C, and heat the asphalt at the same time Maintain a constant temperature of 120-150°C, and then filter and fully emulsify to obtain cationic asphalt anti-slump agent latex.
上述实施例1至实施例8所得到的本发明阳离子沥青防塌剂乳胶的使用方法是:在钻井过程中,按每1000千克水基泥浆中加入上述阳离子沥青防塌剂乳胶20千克或30千克或40千克或50千克。The using method of the cationic asphalt anti-collapse agent emulsion of the present invention obtained in the above-mentioned embodiment 1 to embodiment 8 is: in the drilling process, add 20 kilograms or 30 kilograms of the above-mentioned cationic asphalt anti-slump agent emulsion in every 1000 kilograms of water-based mud Or 40kg or 50kg.
通过上述实施例得出本发明阳离子沥青防塌剂乳的主要技术指标如下表:
通过上述的检测结果可知本发明阳离子沥青防塌剂乳中,沥青含量大于40%,带正电水溶性好(好比墨水加入水中效果一样,均匀、无沉淀),防塌降滤失效果好,是一种见效速度快的防塌降失水剂,具有广阔的应用前景。It can be seen from the above test results that in the cationic asphalt anti-slump agent emulsion of the present invention, the asphalt content is greater than 40%, and the positively charged water solubility is good (the effect is the same as adding ink to water, evenly and without precipitation), and the effect of preventing slumping and reducing fluid loss is good. It is an anti-slump fluid loss agent with quick effect and has broad application prospects.
本发明阳离子沥青防塌剂乳与同类其它产品如磺化沥青干粉的对照检测结果如下表:
由上表对比得知本发明阳离子沥青防塌剂乳胶具有以下特点:Know that cationic asphalt anti-slump agent latex of the present invention has the following characteristics by comparison of the above table:
1、本发明阳离子沥青防塌剂乳胶的沥青含量大约是磺化沥青干粉1.6倍;1. The asphalt content of the cationic asphalt anti-slump agent emulsion of the present invention is about 1.6 times that of the sulfonated asphalt dry powder;
2、本发明阳离子沥青防塌剂乳胶的水溶性是100%,而磺化沥青干粉是65%的水溶;2. The water solubility of the cationic asphalt anti-slump agent latex of the present invention is 100%, while the sulfonated asphalt dry powder is 65% water soluble;
3、本发明阳离子沥青防塌剂乳胶的电动电位为大于20mv,显正电;而磺化沥青干粉则为零。3. The zeta potential of the cationic asphalt anti-slump agent emulsion of the present invention is greater than 20mv, which is positive; while the sulfonated asphalt dry powder is zero.
4、本发明阳离子沥青防塌剂乳胶具有一定的软化点,此系列产品分40℃、60℃…100℃软化点的产品,而磺化沥青干粉则无。4. The cationic asphalt anti-slump agent latex of the present invention has a certain softening point. This series of products are divided into products with a softening point of 40°C, 60°C...100°C, while the sulfonated asphalt dry powder has no softening point.
5、本发明阳离子沥青防塌剂乳胶的价格为5700元/吨,而磺化沥青干粉则为6500元/吨。5. The price of cationic asphalt anti-slump agent latex of the present invention is 5700 yuan/ton, while the price of sulfonated asphalt dry powder is 6500 yuan/ton.
6、本发明阳离子沥青防塌剂乳胶处理事故比磺化沥青千粉见效速度快。6. The cationic asphalt anti-slump agent emulsion of the present invention is faster than sulfonated asphalt dry powder in dealing with accidents.
上述实施例中的阳离子沥青防塌剂乳胶和目前钻井液使用的沥青类防塌降滤失剂的检测方法都采用国标或国家行业标准进行的,具体如下:GB/r 4507-84沥青软化点测试方法(环球法)、GB6678-2003化工产品采样总则、GB/T260石油产品水分测定法、SY/T5490-90钻井液试验用钠膨润土、SY/T5664-94钻井液用页岩抑制剂磺化沥青FT1、SY/T5621-93钻井液测试程序、SY/T5559钻井液用处理剂通用试验方法。The cationic asphalt anti-slump agent latex in the above examples and the asphalt-based anti-slump fluid loss reducer used in drilling fluids are all tested using national standards or national industry standards, specifically as follows: GB/r 4507-84 Bitumen softening point Test method (ring and ball method), GB6678-2003 General Rules for Sampling Chemical Products, GB/T260 Moisture Determination Method for Petroleum Products, SY/T5490-90 Sodium Bentonite for Drilling Fluid Test, SY/T5664-94 Sulfonation of Shale Inhibitor for Drilling Fluid Bitumen FT1, SY/T5621-93 Drilling Fluid Test Procedures, SY/T5559 Drilling Fluid Treatment Agent General Test Method.
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| CN1715333A CN1715333A (en) | 2006-01-04 |
| CN1305965C true CN1305965C (en) | 2007-03-21 |
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| CNB2005102004506A Expired - Lifetime CN1305965C (en) | 2005-08-05 | 2005-08-05 | Cation asphalt anti-collapse agent emulsion and its producing method and using method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101747876A (en) * | 2008-12-16 | 2010-06-23 | 西部钻探克拉玛依钻井工艺研究院 | Potassium carbonate polyamine drilling fluid |
| CN103215017A (en) * | 2013-04-11 | 2013-07-24 | 中国石油大学(华东) | Electronpositive borehole wall stabilizer applied to oil and gas drilling and preparation method of electronpositive borehole wall stabilizer |
| CN101747873B (en) * | 2008-12-12 | 2013-12-11 | 西部钻探克拉玛依钻井工艺研究院 | Latex sealing fluid and preparation method thereof |
| US12049585B2 (en) | 2018-12-12 | 2024-07-30 | Chevron Phillips Chemical Company Lp | Wellbore drilling compositions |
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| CN101108963B (en) * | 2006-07-19 | 2010-12-29 | 西部钻探克拉玛依钻井工艺研究院 | Modified product of native asphalt bitumen used as drilling fluid anti-sloughing agentand method of manufacturing the same |
| CN101831281B (en) * | 2010-05-19 | 2013-04-24 | 濮阳市诚信钻采助剂有限公司 | High-dispersion modified asphalt powder and preparation method thereof |
| CN103525099B (en) * | 2012-07-03 | 2015-10-28 | 华东理工大学 | Compound Asphalt Emulsifier Containing Gemini Surfactant |
| CN103509538A (en) * | 2013-10-14 | 2014-01-15 | 辉县市日新化工厂 | Novel polymer while-drilling lost circulation additive and preparation method thereof |
| MX2019008472A (en) * | 2017-01-17 | 2019-09-18 | Avantium Knowledge Centre Bv | Asphalt composition comprising humins obtained from dehydration of carbohydrates. |
| CN113698918B (en) * | 2020-05-23 | 2022-10-21 | 中石化石油工程技术服务有限公司 | Resource utilization method for rock debris of synthetic base drilling fluid |
| CN113336963A (en) * | 2021-06-09 | 2021-09-03 | 巴州三元石油助剂有限公司 | Cationic emulsified asphalt for drilling fluid, preparation method and softening point blending method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101747873B (en) * | 2008-12-12 | 2013-12-11 | 西部钻探克拉玛依钻井工艺研究院 | Latex sealing fluid and preparation method thereof |
| CN101747876A (en) * | 2008-12-16 | 2010-06-23 | 西部钻探克拉玛依钻井工艺研究院 | Potassium carbonate polyamine drilling fluid |
| CN101747876B (en) * | 2008-12-16 | 2013-07-24 | 西部钻探克拉玛依钻井工艺研究院 | Potassium carbonate polyamine drilling fluid |
| CN103215017A (en) * | 2013-04-11 | 2013-07-24 | 中国石油大学(华东) | Electronpositive borehole wall stabilizer applied to oil and gas drilling and preparation method of electronpositive borehole wall stabilizer |
| US12049585B2 (en) | 2018-12-12 | 2024-07-30 | Chevron Phillips Chemical Company Lp | Wellbore drilling compositions |
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| CN1715333A (en) | 2006-01-04 |
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