地下水
地下水
지하수
GROUNDWATER
2015年
1期
99-102
,共4页
下沉剂%含水储层%牛顿流体%非牛顿流体%沉降速度
下沉劑%含水儲層%牛頓流體%非牛頓流體%沉降速度
하침제%함수저층%우돈류체%비우돈류체%침강속도
Subsidence agent%Bottom water gas reservoir%Newtonian liquid%Non -Newtonian liquid and Sedimentation velocity
根据苏里格西区上气下水型储层的气水分布特征，该区适合下沉剂堵水压裂工艺。目前常用的下沉剂控缝高技术是在压裂时先将下沉剂通过携带液带入裂缝，随着下沉剂的下沉在裂缝的尖端处形成低渗透或不渗透的人工隔层，增加裂缝末梢的阻抗值，降低裂缝尖端的扩展应力，从而有效控制裂缝的垂向延伸。因此研究下沉剂在牛顿流体、非牛顿流体及裂缝内的沉降规律，通过合理的工艺优化设计，有利于提高堵水增气的效果。
根據囌裏格西區上氣下水型儲層的氣水分佈特徵，該區適閤下沉劑堵水壓裂工藝。目前常用的下沉劑控縫高技術是在壓裂時先將下沉劑通過攜帶液帶入裂縫，隨著下沉劑的下沉在裂縫的尖耑處形成低滲透或不滲透的人工隔層，增加裂縫末梢的阻抗值，降低裂縫尖耑的擴展應力，從而有效控製裂縫的垂嚮延伸。因此研究下沉劑在牛頓流體、非牛頓流體及裂縫內的沉降規律，通過閤理的工藝優化設計，有利于提高堵水增氣的效果。
근거소리격서구상기하수형저층적기수분포특정，해구괄합하침제도수압렬공예。목전상용적하침제공봉고기술시재압렬시선장하침제통과휴대액대입렬봉，수착하침제적하침재렬봉적첨단처형성저삼투혹불삼투적인공격층，증가렬봉말소적조항치，강저렬봉첨단적확전응력，종이유효공제렬봉적수향연신。인차연구하침제재우돈류체、비우돈류체급렬봉내적침강규률，통과합리적공예우화설계，유리우제고도수증기적효과。
According to the reservoir characteristic of upper gas and bottom water distribution, the fracturing and water plugging technology with Subsidence agent is suitable in western area of Sulige gas field. Agent is carried into the fracture through the transport fluid first, and then the low permeability or impermeable artificial interlayer, which can reduce the exten-sion stress and increase the resistivity is formed at the tip of crack as the agent subsided, so the vertical extension of cracks are controlled effectively, all of that are the current practices of controlling fracture height with Subsidence agent. For the reason, in order to improve the effect of increases gas and plugging water, optimizing the design process and studding the sedimentation law of the subsidence agent in Newtonian and NonNewtonian liquid is necessary.
