| 孙哲,赵兴国,李资收,赵洪涛,袁晓亮,崔晶,孙棋.曲堤油田结垢机理研究与防治[J].装备环境工程,2018,15(8):16-20. SUN Zhe,ZHAO Xing-guo,LI Zi-shou,ZHAO Hong-tao,YUAN Xiao-liang,CUI Jing,SUN Qi.Mechanism of Scaling and Prevention Measures in Qu-di Oilfield[J].Equipment Environmental Engineering,2018,15(8):16-20. |
| 曲堤油田结垢机理研究与防治 |
| Mechanism of Scaling and Prevention Measures in Qu-di Oilfield |
| 修订日期：2018-08-25 |
| DOI：10.7643/ issn.1672-9242.2018.08.003 |
| 中文关键词: 曲堤油田 结垢机理 配伍性 阻垢剂 |
| 英文关键词:Qu-di oilfiled fouling mechanism compatibility scale inhibitor |
| 基金项目: |
|
|
| Author | Institution |
| SUN Zhe | Sheng-li Oilfield Lu-ming Petroleum Exploration and Production Co., Ltd, Dongying 257000, China |
| ZHAO Xing-guo | Sheng-li Oilfield Lu-ming Petroleum Exploration and Production Co., Ltd, Dongying 257000, China |
| LI Zi-shou | Sheng-li Oilfield Lu-ming Petroleum Exploration and Production Co., Ltd, Dongying 257000, China |
| ZHAO Hong-tao | Sheng-li Oilfield Lu-ming Petroleum Exploration and Production Co., Ltd, Dongying 257000, China |
| YUAN Xiao-liang | Sheng-li Oilfield Lu-ming Petroleum Exploration and Production Co., Ltd, Dongying 257000, China |
| CUI Jing | Sheng-li Oilfield Lu-ming Petroleum Exploration and Production Co., Ltd, Dongying 257000, China |
| SUN Qi | Sheng-li Oilfield Lu-ming Petroleum Exploration and Production Co., Ltd, Dongying 257000, China |
|
| 摘要点击次数: |
| 全文下载次数: |
| 中文摘要: |
| 目的 解决曲堤油田的结垢问题。方法 采用离子色谱仪，对水样理化性质进行测试分析，采用X射线衍射仪对现场垢样进行成分分析，通过室内静态结垢实验结合滴定法，研究油井采出液及联合站注入水混合的配伍性，并对阻垢剂进行筛选及评价。结果 曲堤油田水样水型均为CaCl2型，含有较多的结垢性阳离子Mg2+，Sr2+和Ba2+的含量相对较少。对于结垢性阴离子，主要为HCO3，CO32和SO42含量较少。曲堤油田结垢主要是由于Ca2+、Mg2+与HCO3反应，生成白云石晶体造成的。各油井采出液在低温下混输，配伍性较好；随着温度的升高，会出现一定程度的结垢，但结垢率均小于5%。除Q10-X16油井采出液以外，其余各油井采出液与联合站注入水均不配伍，混合后结垢率达10%以上。选择7#阻垢剂，加注浓度50 mg/L作为曲堤油田的阻垢剂类型及加药制度。结论 现场调研的7#缓蚀剂对于曲堤油田的环境具有适用性，阻垢率高，能够有效减缓曲堤油田的结垢问题。 |
| 英文摘要: |
| Objective To solve the scaling problem in Qu-di Oilfield. Methods The physical and chemical properties of the water sample were tested and analyzed with a ion chromatography; the X-ray diffraction instrument was used to analyze the composition of the on-site scale samples; through the indoor static scaling experiment combined with the titration method, the compatibility between the production fluid in the oil well and the injection water from the joint station were studied; and also the scaling inhibitors were filtered and evaluated. Results The type of the water samples in the Qu-di Oilfield was CaCl2-type, followed by many fouling cation Mg2+, while the Sr2+ and Ba2+ contents were relatively small. For fouling anions, they mainly contained HCO3?, while CO32? and SO42? were less abundant. The fouling in the Qu-di Oilfield was mainly caused by the formation of dolomite crystals accompanied by the reaction of Ca2+, Mg2+, and HCO3?. When the production fluids in different oil wells were mixed at low temperatures, the compatibility was good. With the increase of temperature, the degree of fouling increased, but the fouling rate was less than 5%. Expect the production fluids from the Q10-X16 oil well, the remaining production fluids were incompatible with the injection water from the joint station, and the fouling rate was larger than 10%. The 7# scale inhibitor and concentrations of 50 ppm were regarded as the scale inhibitor for the Qu-di Oilfield. Conclusion The 7# scale inhibitor from survey is applicable to the environment of Qu-di Oilfield. It has a high scale inhibition rate and can effectively reduce the fouling problem in Qu-di Oilfield. |
| 查看全文 查看/发表评论 下载PDF阅读器 |
| 关闭 |
|
|
|
