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        1. [1]范宜仁,王小龍,巫振觀,等.考慮地層傷害影響的鉆井液侵入模擬研究[J].測井技術,2018,42(04):383-389.[doi:10.16489/j.issn.1004-1338.2018.04.003]
           FAN Yiren,WANG Xiaolong,WU Zhenguan,et al.Simulation Study on Drilling Fluid Invasion Considering Formation Damage[J].WELL LOGGING TECHNOLOGY,2018,42(04):383-389.[doi:10.16489/j.issn.1004-1338.2018.04.003]
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          考慮地層傷害影響的鉆井液侵入模擬研究()
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          《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

          卷:
          第42卷
          期數:
          2018年04期
          頁碼:
          383-389
          欄目:
          方法研究
          出版日期:
          2018-09-05

          文章信息/Info

          Title:
          Simulation Study on Drilling Fluid Invasion Considering Formation Damage
          文章編號:
          1004-1338(2018)04-0383-07
          作者:
          范宜仁123 王小龍123 巫振觀123 吳俊晨123 賈建濤4
          1.中國石油大學(華東)地球科學與技術學院, 山東 青島 266580; 2.海洋國家實驗室海洋礦產資源評價與 探測技術功能實驗室, 山東 青島 266071; 3.中國石油大學CNPC測井重點實驗室, 山東 青島 266580; 4.中國石油技術開發有限公司, 北京 100025
          Author(s):
          FAN Yiren123 WANG Xiaolong123 WU Zhenguan123 WU Junchen123 JIA Jiantao4
          1. School of Geosciences, China University of Petroleum(Huadong), Qingdao, Shandong 266580, China; 2. Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao, Shandong 266071, China; 3. CNPC Key Laboratory of Well Logging, China University of Petroleum, Qingdao, Shandong 266580, China; 4. China Petroleum Technology & Development Corporation, Beijing 100025, China
          關鍵詞:
          測井評價 鉆井液侵入 地層傷害 泥餅動態生長 孔滲模型 數值模擬
          Keywords:
          Keywords: well logging evaluation drilling fluid invasion formation damage dynamic mud cake growth porosity-permeability model numerical simulation
          分類號:
          P631.811
          DOI:
          10.16489/j.issn.1004-1338.2018.04.003
          文獻標志碼:
          A
          摘要:
          當前鉆井液侵入模擬多集中于泥餅性質而忽略鉆井液固相顆粒及其濾液侵入所造成的地層傷害對侵入規律的影響。為研究考慮地層傷害影響的鉆井液侵入規律,基于兩相滲流方程,結合泥餅形成機理,建立含泥餅動態生長的鉆井液侵入數值模型,充分考慮鉆井液固相顆粒及濾液侵入所造成的地層傷害程度,建立近井眼儲層孔隙度滲透率模型,實現了考慮地層傷害影響的鉆井液侵入數值模擬,模擬結果與實驗結果吻合度較高。研究表明,當地層滲透率大于1 mD時,考慮地層傷害影響的侵入深度與不考慮地層傷害影響的侵入深度一致; 而當地層滲透率小于1 mD時,考慮地層傷害影響的侵入深度比不考慮地層傷害影響的侵入深度更淺,且侵入時間越長,侵入深度差異越大。
          Abstract:
          Abstract: Drilling fluid invasion would change radial formation saturation and resistivity, which brings difficulties to well logging evaluation. Limited by experimental conditions, the current drilling fluid invasion simulation focuses on the effect of mud cake property and ignores the influence of formation damage on fluid invasioncaused by the solid phase particles and invasion of filtrate of drilling fluid. In order to study the invasion of drilling fluid under the influence of formation damage, based on the two-phase seepage equation and the mud cake formation mechanism, a numerical model of drilling fluid invasion with dynamic growth of mud cake was established.By fully considered the effect of invasion of solid phase particles and filtrate of drilling fluid onthe formation damage, the near-wellbore porosity and permeability model was established. The numerical simulation of drilling fluid invasion considering the influence of formation damage was realized, and the simulation results were in good agreement with the experimental results. Studies results showed that when the permeability is greater than 1 mD, the depth of invasion shows no difference taking into account of the formation damage influence. When the permeability is less than 1 mD, the depth of invasion is shallower when considering the influence of formation damage. Furthermore, the longer the invasion time, the greater the difference in invasion depth.

          參考文獻/References:

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          備注/Memo

          備注/Memo:
          基金項目: 國家科技重大專項(2011ZX05020-008); 國家自然科學基金項目(41474100、41674131、41574118); 中國石油天然氣集團公司科學研究與技術開發項目(2011D-4101) 第一作者: 范宜仁,男,1962年生,教授,從事巖石物理實驗與測井方法等教學與研究工作。E-mail:[email protected]
          更新日期/Last Update: 2018-09-05
          11选五开奖结果