Cellulose nanocrystals in multi-phase systems: stabilization of water-in-oil emulsions for oil-based drilling fluids.

这项合作研究与开发(CRD)赠款申请将支持该研究与开发项目，该项目将由亚曼·博卢克博士和Vivek BIndiganavile博士及其团队在艾伯塔大学与工业合作伙伴艾伯塔-太平洋森林工业公司(Alberta-Pacific Forest Industries Inc.，ALPAC)和雪佛龙菲利普斯化工公司(Chevron Phillips Chemical Company LP，DSC)的钻探专业公司(Drill Specialties Company)合作进行。该项目的重点是开发木质纤维素纳米晶(CNC)稳定的油基钻井液。 蒙特尼地质地层位于艾伯塔省和不列颠哥伦比亚省之间，是北美最大的非常规油气储量之一。这种非常规资源需要在3000米以下的垂直钻井后水平钻井3000米。在这种困难的作业中，需要性能更好的钻井液。那里和世界其他地方的钻探条件具有挑战性，需要专门开发的油基钻井液。 我们的目标是通过使用纤维素纳米晶(CNC)颗粒稳定的油包水(W/O)乳状液，开发出具有良好的井壁稳定性、独特的流动特性和耐高温性能的油基钻井液。我们的科学目标是：1)用喷雾干燥工艺生产表面改性的数控颗粒；2)获得数控稳定的W/O乳状液；3)通过数控稳定的W/O乳状液获得独特的流动性能和过滤特性；4)使开发的W/O乳状液与钻井后操作之间实现良好的兼容性。 该项目将为我们的合作伙伴带来以下好处：1)开发高价值和大批量的数控应用，这将使加拿大林产品公司的数控生产在经济上具有吸引力；2)高性能和高成本效益的油田产品，将在加拿大带来更安全、经济有利的钻井作业。

This Collaborative Research and Development (CRD) grant application will support the research and development project which will be conducted by Drs. Yaman Boluk and Vivek Bindiganavile and their teams at the University of Alberta in collaboration with industrial partners, Alberta-Pacific Forest Industries Inc. (Alpac) and Drilling Specialties Company, Division of Chevron Phillips Chemical Company LP (DSC). The focus of this project is the development of oil-based drilling fluids stabilized with wood based cellulose nanocrystals (CNC). Montney geological formation bordered between Alberta and British Columbia is one of the top North American nonconventional oil and gas reserves. Such nonconventional resources require horizontal drillings up to 3,000 meters after the vertical drillings of down to 3,000 meters. Better performing drilling fluids are needed in such difficult operations. Those challenging drilling conditions there and also in the rest of the world require specially developed oil-based drilling fluids. Our goal is to develop oil-based drilling fluids with excellent wellbore stability, distinct flow properties and high temperature tolerance by using water-in-oil (W/O) emulsions stabilized with cellulose nanocrystal (CNC) particles. Our scientific objectives are: 1) to produce surface modified CNC particles with spray drying process; 2) to obtain CNC stabilized W/O emulsions; 3) to obtain unique flow properties and filtration characteristics with CNC stabilized W/O emulsions; 4) to attain good compatibility between the developed W/O emulsions and post drilling operations. The benefits of this project to our partners will be: 1) development of high value and high volume applications of CNC which will make CNC production by forest products companies in Canada economically attractive; 2) high performing and cost effective oil-field products which will bring safer, economically favorable drilling operations in Canada.