大牛地气田水平井分支井完井工艺技术.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,大牛地气田水平井、分支井完井工艺技术,华北分公司工程处,2008.4.8,一、前言,二、,井身结构,优化,三、裸,眼,水平井系列完井液,技术,四、,尾管,射孔机械分段压裂完井工艺技术,五、结论和下步工作,目 录,气层组,平均孔隙度,（,%,）,平均渗透率,(10,-3,m,2,),压力系数,盒,3,10.27,1.36,0.98,盒,2,8.66,0.73,0.91,盒,1,9.09,0.55,0.87,山,2,7.94,0.58,0.85,山,1,7.62,0.66,0.9,太,2,8.58,0.70,0.79,表,1,大牛地气田上古生界储层物性统计表,一、前言,一、前言,2006,动用区,2005,老区,2007,年动用区,探明储量分布及已动用储量分布图,各层位动用探明储量直方图,各层位未动用探明储量直方图,一、前言,DP3,井,盒,3,DF2,井,山,1,DF1,井,山,1,DP35-1,太2,DP1,井,山,1,一、前言,两个突破,（,1,）,DF2,、,DP3,井两口水平井取得了较好的自然产能，打破了大牛地气田多年来将改造作为唯一投产建产手段的历史；,（,2,）,DP35-1,机械分段限流压裂国内首次成功实施，并获得较好压裂效果。

一、前言,二、,井身结构,优化,三、裸,眼,水平井系列完井液,技术,四、,尾管,射孔机械分段压裂完井工艺技术,五、结论和下步工作,目 录,二、,井身结构,优化,表,5,口水平井井身结构数据表,井号,一开,二开,三开,钻头,表套,钻头,技术套管,钻头,油层套管,DP1,17,1,/,2,401.37,13,3,/,8,401.19,8,1,/,2,2927.00,7,2924.74,6,3600,DP35-1,12,1,/,4,401,9,5,/,8,400,8,1,/,2,2695.25,7,2693.25,6,3495.43,4,1,/,2,(2593-3493.43),DF1,12,1,/,4,259,9,5,/,8,258.44,8,1,/,2,3124.07,7,3119.72,6,3805.58,DF2,17,1,/,2,502,13,3,/,8,501.31,12,1,/,4,3111,9,5,/,8,3109.01,8,1,/,2,4006.66,DP3,17,1,/,2,506,13,3,/,8,505.47,12,1,/,4,2885.0,9,5,/,8,2883.98,8,1,/,2,4086.00,二、,井身结构,优化,井号,层位,完钻,时间,靶点,斜深（,m,）,垂深（,m,）,投影位移（,m,）,井斜,方位,水平段位移,水平段长,DP1,山,1,03.5.8,A,2988,2844.44,211.16,86.02,201.71,822.0,612.0,B,3588.89,2849.06,811.16,91.35,207.47,DP35-1,太,2,05.12.30,A,2637.5,2543.59,212.31,90.01,357.57,1030,817.69,B,3495.43,2539.07,1030,90.22,0,DF2,山,1,07.8.21,A,3106.09,2877.65,350.00,90.71,298.96,1250.20,897.65,B,4006.66,2882.01,1250.20,87.80,299.70,DP3,盒,3,07.10.29,A,2865.21,2663.76,350.09,90.13,258.66,1570.14,1202.02,B,4086.00,2683.64,1570.14,91.00,251.36,DF1,山,1,07.3.16,1,、左主井眼：,3048.0-3082.4,（卡钻）；,2,、右主井眼：,3142.0-3176.39,（废弃）；,3,、右井眼分支：,3142.0-3236.7,（卡钻）；,4,、主井眼：,3119.72-3805.4,表,5,口水平井水平段有关数据表,一、前言,二、,井身结构,优化,三、裸,眼,水平井系列完井液,技术,四、,尾管,射孔机械分段压裂完井工艺技术,五、结论和下步工作,目 录,表,DP1,井山,1-1,层与周围邻井产量效果对比表,井号,目的层,措施,无阻流量,10,4,m,3,DP-1,山,1-1,裸眼,+,ClO,2,+HCl,解堵,0.6124,大探,1,山,1-1,压裂,3.7,D1-3-9,山,1-3,压裂,2.5,D1-3-4,盒,3+,山,1-1,压裂,1.69,D1-3-1,山,2+,山,1-1,压裂,0.12,D1-3-6,盒,3+,山,1-1,压裂,1.22,D1-3-7,山,1-1,压裂,0.11,DK1,山,1-3,压裂,0.83,1,、氧化解堵,完井液,三、裸眼水平井系列完井液技术,表,DP35-1,井,ASS-1,泥浆滤饼酸溶率数据,2,、酸洗,完井液,序号,酸,液,配,方,试,验,温,度,滤,饼,酸,溶,率，,%,30,分钟,90,分钟,1,15%HCl,90,95.24,97.14,2,97.46,97.16,平均,96.35,97.15,3,20%HCl,90,96.91,97.16,4,97.49,97.58,平均,97.37,97.62,5,12%HCl+3%HF,90,97.43,97.60,6,97.46,97.80,平均,97.45,97.70,三、裸眼水平井系列完井液技术,表,DP35-1,井裸眼井段酸洗后与周围邻井产量效果对比表,2,、酸洗,完井液,井号,目的层,措施,无阻流量,10,4,m,3,DP35-1,太,2,酸洗,0.08,D35-14,太,2,压裂,1.7774,D35-21,太,2,压裂,3.6128,D35-22,太,2,压裂,2.8597,D35-6,太,2,压裂,3.09,D35-9,太,2+,山,1,机械分层压裂,1.6707,D35-13,太,2,压裂,2.1083,三、裸眼水平井系列完井液技术,表,DP3,井钻井液滤饼酸溶试验,序号,泥饼压制时间,（,min,）,泥饼厚度,（,mm,）,盐酸溶液浓度,（,%,）,泥饼溶解时间,(,min),清洗,程度,1,7.5,0.5,12,5,全部,2,20,1.5,12,5,全部,3,15,1.5,5,5,全部,4,15,1.5,5,5,全部,采用,5%,HCl+2%,酸化缓蚀剂配方，,DP3,井完钻后于,07.10.10,进行了酸洗解堵，替酸液,43,方，共排出液体,145.68,m,3,，,测试无阻流量,7.0095,10,4,m,3,/d,。

2,、酸洗,完井液,三、裸眼水平井系列完井液技术,日期,油压（,MPa,),套压（,MPa,),套压下降速率（,MPa/d,),1.8,18.39,18.43,1.17,13.1,13.6,0.48/(10d),1.18,1.20,13.4,13.45,14.1,14.15,0.017/,（,3,d,）,3.18,11.4,12.2,0.03/,（,58,d,）,以,3,万方,/,天的产量生产,DP3,试采效果,三、裸眼水平井系列完井液技术,表,DP3,井与周围邻井产量效果对比表,井名,无阻流量,（,10,4,m,3,/d,）,目前产量,（,10,4,m,3,/d,）,D1-1-45,1.9,0.7273,D1-1-109,3.3,0.6134,D1-1-110,4.12,0.9044,D1-1-57,6.42,1.2237,D1-1-37,6.69,0.8104,D1-1-111,11.0,1.7524,DP3,7.0095,3.0240,2,、酸洗,完井液,三、裸眼水平井系列完井液技术,3,、生物解堵完井液,DF2,DF2,井水平段钻井液配方为胜利钻井院的无粘土相漂珠钻井液体系,3%,TV-2+0.2-0.3%NaOH+0.3-0.5%XC+2-3%KCOOH+0.3-0.5%K-PAM+10-20%HGS6000,。

采用了,35%,聚合醇,+23%,KCOOH+35%MS-1+58%MS-2+56%SUNC,生物解堵液：,加入的表面活性剂，由于其活性高，能有效地降低界面张力，解决不合适的入井液体水锁伤害难题；,加入的生物酶通过有效消除聚合物钻井液中聚合物残渣，分解钻井液在井壁周围形成的滤饼等三、裸眼水平井系列完井液技术,以,4,万方,/,天的产量生产基本能够稳产,5,万方,/,天,4,万方,/,天,日期,油压,套压,套压下降速率,气产量,水产量,11,月,25,日,14.9,15.2,12,月,8,日,13.1,13.4,0.13/,（,14,d,）,5,0.45,1,月,8,日,11.9,12,0.047/,（,30,d,）,5,0.37,1,月,17,日,12.6,13.12,-0.062/,（,10,d,）,4,0.33,2,月,21,日,11.7,12,0.026/,（,35,d,）,4,0.27,3,月,7,日,11.7,12,0/(15,d,）,4,0.299,3,、生物解堵完井液,DF2,三、裸眼水平井系列完井液技术,表,DF2,井与周围邻井对比表,3,、生物解堵完井液,DF2,井名,层位,射孔井段（,m,）,无阻流量,（,10,4,m,3,）,目前产量,（,10,4,m,3,）,D1-4-17,S2-1,2800-2804,15.8186,2.38,S1-2,2879-2888,D1-4-55,S1-2,2284.5-2888,7.6508,1.35,S1-2,2892-2895,D1-4-56,S1-2,2882.5-2888.5,14.1081,1.35,D1-4-57,S1-2,2874.5-2878,6.2942,2.35,S1-2,2880.5-2882.5,DK28,S1-3,2842-2845,3.1969,1.24,S1-2,2876-2881,S1-1,2893-2898,D1-4-23,S1-2,2867-2872,1.7449,0.42,2877-2882,DF2,S1,9.5213,4.0316,三、裸眼水平井系列完井液技术,一、前言,二、,井身结构,优化,三、裸,眼,水平井系列完井液,技术,四、,尾管,射孔机械分段压裂完井工艺技术,五、结论和下步工作,目 录,1,、,DP35-1,井基本情况,井深,井斜,方位,垂深,水平位移,靶点,0.00,0.00,0,0.00,0.00,2354.75,0.00,0,2354.75,0.00,2564.75,63.00,0,2525.09,104.39,2637.5,90.01,357.57,2543.59,212.31,A,3495.43,90.22,0,2539.07,1030.00,B,水平位移：,1030,米；水平段长：,817.69,米,2006,年,1,月,1,日进行酸洗处理，测试无阻流量,0.08,10,4,m,3,/d,由于产能很低，下,4,1,/,2,”,套管。

四、,尾管射孔机械分段压裂完井工艺技术,2,、,DP35-1,压裂层段优选,3355,3425,m,，,70m,3111.6,3248.5,m,，,126.9m,2911.9,3102.0,m,，,190.1m,2749.1,2903.4,m,，,154.3m,四、,尾管射孔机械分段压裂完井工艺技术,3,、,DP35-1,井机械分段压裂完井工具,油层一,油层二,扶正器,SPK344,封隔器,SP,注入阀,SP,单流阀,SPK344,封隔器,压力、温度测试仪器,扶正器,SP,安全接头,SP,水力锚,导向器,41/2,in,扶正器,SPK344-90,封隔器压温器,90,节流器,SPK344-90,封隔器,41/2,in,扶正器,90,水力锚安全接头,四、,尾管射孔机械分段压裂完井工艺技术,4,、定向射孔工艺,采用,73,枪、,89,高能弹，,180。