CN113322051A - 一种环保型的抗高温抗盐风化煤钻井防塌剂 - Google Patents
一种环保型的抗高温抗盐风化煤钻井防塌剂 Download PDFInfo
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Abstract
一种环保型的抗高温抗盐风化煤钻井防塌剂,其制备步骤为:超细粉碎、原位催化氧化、液固分离、经磺化反应、烷基化反应、以及接枝共聚树脂化反应,形成的钻井泥浆风化煤树脂质量检验符合部颁标准的抗高温抗盐的钻井防塌剂,可减少钻井防塌剂应用中的膨润土的用量,调整风化煤结构中的分子量,具有优良的钻井防塌功能。
Description
技术领域
本发明涉及一种环保型的抗高温抗盐风化煤钻井防塌剂。
背景技术
深水钻井液面临的技术难题主要有深水低温条件下流变性不易控制,浅层含气砂岩所引起的气体水合物生成、海底泥岩稳定性差及钻井液用量大,井眼清洗困难,环保要求高等。因此,深水钻井液要求有较好的防塌性能、低温流变稳定性以及能有效抑制天然水合物形成的特性。
专利号200510133796.9的新疆三精德润科技有限公司“钻井液用降滤失剂”中,采用了腐植酸钠,抗温不低于180℃,有良好的抗盐、抗钙性能,可用于高温深井钻井,兼有防塌作用,能有效地保护油气层。使用加量也较少。但其钻井液组成中的磺化沥青、甲醛不利于环境保护。专利号201110360238.1西南石油大学的一种深井、超深井饱和盐水钻井液,用于油气田钻井作业高温高压环境下的深井、超深井饱和盐水钻井液,所用原料除了有膨润土;碳酸钠;磺化酚醛树脂木质素磺酸盐-腐植酸共聚物;乳化沥青;氢氧化钾等以外,还用重晶石调节钻井液密度至2.40g/cm3,产品在高温下具有较好的流变性、失水造壁性能和封堵能力。其中的重晶石,以广西热水沉积矿床中重晶石岩的地质地球化学特征。重结晶岩含铝、铁、锰等矿物质(Al-Fe-Mn),(摘自:王明艳、息朝庄、李毅《矿产与地质》2008(4):11.)可见其中重晶石组分也是风化煤的主要矿物质成份。而按照李善祥、李燕生、赵冰清,将氧解的腐植酸用卤硅烷改性,其硅元素也有风化煤矿物质的主要成份。膨润土主要由蒙脱石类矿物组成的粘土,含有的石英、长石、云母、沸石、黄铁矿扽防水防渗组分,也是风化煤矿物质所含有的。因此,原位催化氧化、既减少了工序和催化剂成本,又可减少应用中的膨润土用量,螯合、磺化、树脂化成成环保型的抗高温抗盐的风化煤钻井抗塌剂是有物质支撑的。
发明内容
本发明针对上述已有技术的不足,提供一种抗高温、抗盐、风化煤钻井抗滤失剂,在高温下能护壁起到防塌作用。
本发明环保型的抗高温抗盐风化煤钻井防塌剂,制备中先超细粉碎、原位催化氧化、液固分离去除黄腐酸后、磺化、烷基化、接枝共聚,经质量检验为符合部颁标准的抗高温抗盐的钻井防塌剂;可减少钻井防塌剂应用中的膨润土的用量,调整风化煤结构中分子量的大小,具有优良的钻井防塌功能。
超细粉碎后风化煤直径为200目-350目,催化剂组分来自风化煤的矿物质组分,即:氧化铁、氧化亚铁;氧化铜、氧化亚铜;氧化铝、氧化硅、氧化锂、氧化钼等;催化剂按与风化煤的质量比为0.05-0.35:1-15.
氧化剂由过氧化氢、过氧乙酸、硫酸亚铁以0.02-0.15:0.01-0.5:0.03-0.09的质量比,与催化剂、风化煤为0.05-0.25:1-10的质量比在温度35-65℃下配合反应。
在催化氧化后,液固分离,去除黄腐酸后,在55-85℃磺化反应0.5-2h、在80-100℃烷基化反应0.5-2.5,制成分子量适中的,有流变性能的钻井防塌剂前体物。
接枝共聚的树脂化反应,以聚丙烯酸钠、聚丙烯酸钾、聚丙烯酰胺中的1种或3种,按100%、各50%、或者各33.3%的比例,与风化煤钻井防塌剂前体物0.005-0.10:1.0-3.0的质量比,在0.100-0.105MPa,60℃-80℃下反应0.5-1.5h。
制得的环保型抗高温、抗盐风化煤钻井抗滤失剂,在应用中可减少膨润土15-35%,抗高温达250-330℃,抗盐效率比一般磺化提高10-30%,数均分子量在5000-10000。主要质量指标抗滤失性等按照SY/T5679-2017钻井液用降滤失剂、褐煤树脂SPNH进行。
具体实施方法
实施例1原位催化氧化
将风化煤超细粉碎至300目,以本体矿物质催化剂与风化煤的质量比为0.20:5,与氧化剂过氧化氢、过氧乙酸、硫酸亚铁以0.05:0.01:0.03的质量比,在0.101MPa,温度35-65℃下进行催化氧化反应。在原位催化氧化,液固分离去除黄腐酸和水溶性杂质后,以美国Waters Breeze2凝胶渗透色谱(GPC)仪器测定风化煤腐植酸的数均分子量为5300,活性增加,具有类似褐煤腐植酸制备钻井抗滤失剂的性质。
实施例2螯合、磺化、烷基化
在实施例1的催化氧化后,风化煤矿物质中的氧化铁被稳定在3+,氧化剂中硫酸亚铁的氧化性铁离子也被稳定在3+,在液固分离,去除黄腐酸后,在55-85℃磺化反应1h、在85℃烷基化反应2.0,以美国Waters Breeze2凝胶渗透色谱(GPC)仪器测定风化煤腐植酸的数均分子量为4820,粘度参数为塑性流体的钻井防塌剂前体物,活性增加,具有类似褐煤腐植酸制备钻井抗滤失剂的性质。
实施例3接枝共聚树脂化
在实施例1、实施例2的催化氧化和磺化、烷基化反应后,接枝共聚的树脂化反应,以聚丙烯酸钠、聚丙烯酸钾、聚丙烯酰胺3种,按33.3%的比例,与风化煤钻井防塌剂前体物0.05:1.0的质量比,在0.101MPa,75℃下反应1.5h。制得的环保型抗高温、抗盐风化煤钻井抗滤失剂,在应用中可减少膨润土25%,抗高温达300℃,抗盐效率比一般磺化提高30%,数均分子量在5100。主要质量指标抗滤失性等按照SY/T5679-2017钻井液用降滤失剂、褐煤树脂SPNH进行。
Claims (6)
1.一种环保型的抗高温抗盐风化煤钻井防塌剂,其特征在于:制备中先超细粉碎、原位催化氧化、液固分离、经磺化反应、烷基化反应,以及接枝共聚的树脂化反应、质量检验为符合部颁标准的抗高温抗盐的钻井防塌剂;可减少钻井防塌剂应用中的膨润土的用量,调整风化煤结构的分子量,具有优良的钻井防塌功能。
2.根据权利要求1所述的超细粉碎后风化煤直径为200目-350目,催化剂组分来自风化煤的矿物质组分,即:氧化铁、氧化亚铁;氧化铜、氧化亚铜;氧化铝、氧化硅、氧化锂、氧化钼等;催化剂按与风化煤的质量比为0.05-0.25:1-10。
3.根据权利要求1、2、所述的,氧化剂由过氧化氢、过氧乙酸、硫酸亚铁以0.02-0.15:0.01-0.5:0.03-0.09的质量比,与催化剂、风化煤为0.05-0.25:1-10的质量比配合反应。
4.根据权利要求1、2、3所述的,在催化氧化后,液固分离,去除黄腐酸后,在55-85℃磺化反应0.5-2h、在80-100℃烷基化反应0.5-2.5,制成分子量适中钻井防塌剂前体物。
5.根据权利要求1、2、3、4所述的,接枝共聚的树脂化反应,以聚丙烯酸钠、聚丙烯酸钾、聚丙烯酰胺中的1种或3种,按100%、各50%、或者各33.3%的比例,与风化煤钻井防塌剂前体物0.005-0.10:1.0-3.0的质量比,在温度75℃-105℃、压力0.100-0.103MPa。
6.根据权利要求1-4所述的,制得的环保型抗高温、抗盐风化煤钻井抗滤失剂,在应用中可减少膨润土15-35%,抗高温达250-330℃,抗盐效率比一般磺化提高10-30%,数均分子量在5000-10000。主要质量指标抗滤失性等按照SY/T5679-2017钻井液用降滤失剂、褐煤树脂SPNH进行。
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1298927A (zh) * | 1999-12-06 | 2001-06-13 | 化学工业部西北化工研究院 | 腐植酸系水煤浆添加剂及制备方法 |
CN101289474A (zh) * | 2008-06-25 | 2008-10-22 | 北京理工大学 | 一种由煤炭腐植酸抽提后残渣制备腐植酸的方法 |
CN101560378A (zh) * | 2009-05-27 | 2009-10-21 | 石家庄华莱化工有限公司 | 钻井液用防塌稀释降滤失量剂及其制备方法 |
CN102344782A (zh) * | 2011-07-22 | 2012-02-08 | 石家庄华莱鼎盛科技有限公司 | 石油钻井助剂抗高温降滤失剂及其制备方法 |
CN103725269A (zh) * | 2013-12-29 | 2014-04-16 | 哈尔滨工业大学 | 一种抗高温钻井液用腐殖酸接枝型降滤失剂及其制备方法 |
CN109734752A (zh) * | 2019-03-01 | 2019-05-10 | 中国矿业大学 | 一种利用催化氧化法提取褐煤中黄腐酸的方法 |
CN110423256A (zh) * | 2019-07-30 | 2019-11-08 | 陈国岸 | 一种利用过渡金属离子催化过氧化氢降解低阶煤生产黄腐酸的方法 |
-
2021
- 2021-06-29 CN CN202110723740.8A patent/CN113322051A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1298927A (zh) * | 1999-12-06 | 2001-06-13 | 化学工业部西北化工研究院 | 腐植酸系水煤浆添加剂及制备方法 |
CN101289474A (zh) * | 2008-06-25 | 2008-10-22 | 北京理工大学 | 一种由煤炭腐植酸抽提后残渣制备腐植酸的方法 |
CN101560378A (zh) * | 2009-05-27 | 2009-10-21 | 石家庄华莱化工有限公司 | 钻井液用防塌稀释降滤失量剂及其制备方法 |
CN102344782A (zh) * | 2011-07-22 | 2012-02-08 | 石家庄华莱鼎盛科技有限公司 | 石油钻井助剂抗高温降滤失剂及其制备方法 |
CN103725269A (zh) * | 2013-12-29 | 2014-04-16 | 哈尔滨工业大学 | 一种抗高温钻井液用腐殖酸接枝型降滤失剂及其制备方法 |
CN109734752A (zh) * | 2019-03-01 | 2019-05-10 | 中国矿业大学 | 一种利用催化氧化法提取褐煤中黄腐酸的方法 |
CN110423256A (zh) * | 2019-07-30 | 2019-11-08 | 陈国岸 | 一种利用过渡金属离子催化过氧化氢降解低阶煤生产黄腐酸的方法 |
Non-Patent Citations (5)
Title |
---|
李善祥,晁兵,安慎瑞,崔保全: "高温降滤失剂SCUR的研制与应用", 《油田化学》 * |
李善祥等: "HA-Si系防塌剂的合成及性能评价(Ⅰ)", 《精细石油化工》 * |
王中华: "水溶性改性天然产物钻井液处理剂的研究与应用", 《油田化学》 * |
王中华: "钻井液用改性腐殖酸类处理剂研究与应用", 《油田化学》 * |
袁蕊等: "风化煤氧化改性对其提取物腐植酸钾抗硬水性能影响", 《磷肥与复肥》 * |
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