新型油基降滤失剂FCL的研制及评价

王丽君; 任艳; 洪伟

doi:10.3969/j.issn.1001-5620.2015.03.006

新型油基降滤失剂FCL的研制及评价

doi: 10.3969/j.issn.1001-5620.2015.03.006

长城钻探工程公司工程技术研究院, 辽宁盘锦

基金项目: 国家科技重大专项"复杂地质条件下深井钻井液与高温高压固井技术研究"(2011ZX05021-004)。

详细信息

作者简介:
王丽君,工程师,2008年毕业与西南石油大学油田化学专业,目前主要从事钻井液室内实验油基处理剂研制方向。地址:辽宁省盘锦市兴隆台区恵宾街91号;邮政编码124010;电话15842792593;E-mail:wanglijun0736@163.com。

中图分类号: TE254.4
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出版历程
- 收稿日期: 2015-03-05
- 刊出日期: 2015-05-31

Development and Evaluation of a New Oil Base Drilling Fluid Filter Loss Reducer

Research Institute of Drilling Engineering Technology of Greatwall Drilling Company, Panjin City, Liaoning 124010, China

摘要

摘要: 采用α-烯烃与苯乙烯乳液聚合的方法,利用乙酸酐与浓硫酸进行适度磺化,得到一种亲白油的高分子量聚合物,这种高聚物经过进一步氢化反应,制得一种油基钻井液降滤失剂FCL,其在白油中以胶体形式出现,不会破坏钻井液性能,同时这种胶体尺寸能封堵泥饼中的孔隙,从而达到降滤失的效果。性能评价结果表明,其最佳加量为1.5%,在180℃、3.5 MPa 的高温高压滤失量为8.4 mL,优于国外同类产品phlips D21;在密度低于1.5 g/cm³ 时,油基降滤失剂FCL 对油基钻井液的流变性影响较小,在高密度油基钻井液中,表现出更高的降切性能,可使密度为2.0 g/cm³ 的油基钻井液动切力维持在15 Pa 以下。
- 油基钻井液 /
- 降滤失剂 /
- 高温 /
- 合成
Abstract: An oil base drilling fluid filter loss reducer, FCL, was developed by hydrogenation of an oleophylic polymer which was synthesized with α-olefin and styrene through emulsion polymerization and sulfonation by acetic anhydride and concentrated sulfuric acid. Treatment of 1.5% FCL in white oil base drilling fluid reduced HTHP (180℃) filter loss to 8.4 mL, without evidently affecting the rheology. Compared with other similar oil base mud filter loss reducers, FCL performs much better in filtration control. FCL does not obviously affect the rheology of oil base drilling fluids with density less than 1.5 g/cm³. In oil base drilling fluids with higher densities, FCL increases the viscosity while decreases their gel strengths.
- Oil base drilling fluid /
- Filter loss reducer /
- High temperature /
- Synthesize

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参考文献(10)

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