页岩与氧化溶液反应诱导无机结垢的实验研究

IF 4.9 2区 工程技术 Q2 ENERGY & FUELS
Jiaxin Shao , Yili Kang , Lijun You , Na Jia , Mingjun Chen
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引用次数: 0

摘要

页岩储层在水力压裂过程中氧化产生的无机垢会堵塞孔隙和裂缝,阻碍页岩气的多尺度输运。结果表明:经蒸馏水浸泡后产生的阳离子主要为Ca2+、Mg2+、Na+、K+和Fe2+;黄铁矿和绿泥石中含有还原铁,氧化溶液将还原铁溶解在页岩中,进一步提高了页岩中的离子浓度,尤其是Fe2+。页岩在溶解氧溶液和不同氧化溶液浸泡后产生沉淀和固体颗粒。氧化溶液影响浸泡过程中产生的离子浓度和固体颗粒类型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Experimental investigation on inorganic scaling induced by the shale reaction with oxidation solution

Inorganic scale produced from shale reservoir oxidation during hydraulic fracturing will block pores and fractures, thus hindering the multi-scale transportation of shale gas. The results show that the cations produced after soaking in distilled water mainly consisted of Ca2+, Mg2+, Na+, K+ and Fe2+. Pyrite and chlorite contain reduced Fe, and the oxidized solution dissolves the reduced iron in shale, further increasing the ion concentration in shale, especially the Fe2+. The shale produced precipitation and solid particles after soaking in solutions containing dissolved oxygen and different oxidation solutions. The oxidation solution affects the concentration of ions and the type of solid particles produced in the soaking process.

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来源期刊
Journal of Natural Gas Science and Engineering
Journal of Natural Gas Science and Engineering ENERGY & FUELS-ENGINEERING, CHEMICAL
CiteScore
8.90
自引率
0.00%
发文量
388
审稿时长
3.6 months
期刊介绍: The objective of the Journal of Natural Gas Science & Engineering is to bridge the gap between the engineering and the science of natural gas by publishing explicitly written articles intelligible to scientists and engineers working in any field of natural gas science and engineering from the reservoir to the market. An attempt is made in all issues to balance the subject matter and to appeal to a broad readership. The Journal of Natural Gas Science & Engineering covers the fields of natural gas exploration, production, processing and transmission in its broadest possible sense. Topics include: origin and accumulation of natural gas; natural gas geochemistry; gas-reservoir engineering; well logging, testing and evaluation; mathematical modelling; enhanced gas recovery; thermodynamics and phase behaviour, gas-reservoir modelling and simulation; natural gas production engineering; primary and enhanced production from unconventional gas resources, subsurface issues related to coalbed methane, tight gas, shale gas, and hydrate production, formation evaluation; exploration methods, multiphase flow and flow assurance issues, novel processing (e.g., subsea) techniques, raw gas transmission methods, gas processing/LNG technologies, sales gas transmission and storage. The Journal of Natural Gas Science & Engineering will also focus on economical, environmental, management and safety issues related to natural gas production, processing and transportation.
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