井综合施工总结

十屋油田BK20P2井冲砂施工总结中国石化东北油气分公司9十屋油田BK20P2井冲砂施工总结井段：2259-2263m编写人：帖奇珍审核人：倪晶波队长：张强施工单位：东北石油局工程公司试油二队竣工日期：9月19日一、施工目旳解除近井污染，改善地层旳渗流条件，评价储层产能。二、基本数据完井日期.3.23水泥返高(m)地面完钻井深(m)2708.00固井质量完钻层位沙河子组钻井泥浆密度1.15g/cm3补心高(m)5浸泡时间(d)油补距(m)5.1钻井液漏失无最大井斜2330.73m/85.50井涌无原人工井底(m)已射孔层位砂面(m)已射孔井段(m)2258-2260m、2183-2185m2116-2118m、1908-1910m灰面(m)油层厚度(m)桥塞面(m)层数三、套管数据套管类型外径(mm)内径(mm)钢级壁厚(mm)下入深度(m)表层套管244.5222.4N8011.05248.35技术套管177.8161.7N808.051541.59技术套管177.8159.42N809.192270.00短套管位置(m)（工程深度）油层附近接箍位置（m）1840.52,1851.32,1884.49,1895.57,1994.87,.95,2137.65,2148.69,2170.97,2182.05,2193.28,2204.37四、施工过程工序施工内容搬迁上井8月27日7:00-11:00通井机搬迁上井。11:00-28日7:00平整井场，同步备水25m³，并配制为注：5吨自吊车运送值班房、10m³计量罐、油管架、发电机来回两次40公里。两吨自吊车运送库房、发电机来回两次4028日7:00-13:30通井机就位立塔，摆驴头，提出抽油杆2根。洗井28日13:30-18:30连接泵车管线，泵车大排量反循环洗井至进出口液性一致，排量580L/min，泵压3.1MPa，冲砂洗井用5‰KCl水溶液60m3。出口返出原油6.5m3，返出水7m起抽油杆柱及泵挂管柱28日18:30-29日7:00做提杆柱前准备。29日7:00-21:00提出井内抽油杆。（期间9:00-11:00接受Φ48.9mm平式油管90根。）21:00-23:30拆井口，安装SFZ18-35型半封防喷器及简易自封。23:30-30日12:30提出井内所有油管。冲砂30日12:30-31日8:00下冲砂管柱至1917.66m。8:00-16:00泵车反循环冲砂至笔尖井深2273.91m。16:00-17:30泵车反循环洗井3周，出口无砂返出，泵压2.4MPa，排量560L/min，用5‰KCl水溶液65m3。出口返出水6m3管柱构造：Φ48.26mm笔尖+Φ48.26mm油管47根+变扣+Φ73mmN80平式油管191根。17:30-18:30将管柱提至笔尖底界井深2075.18m，安装井口。注：泵车冲砂工作11小时。液氮气举31日18:30-9月3日13:43维护井场，13:43-16:30液氮反举，泵压由0↗19MPa，排量0.65-0.98m3/min，共注入液氮15.63m3，出口返出水排液3日16:30-4日7:00控制放喷排液，放空井内氮气，井口油压由19↘0MPa，排出水6.5m3，合计排出水24.5m3、原油冲砂4日7:00-10:30拆井口，安装SFZ18-35型半封防喷器。10:30-11:30下冲砂管柱至笔尖底界井深2184.41m处遇阻。11:30-16:30泵车大排量反循环冲洗至笔尖底界井深2258.48m。16:30-19:00泵车大排量反循环洗井至进出口液性一致，泵压3.2MPa，排量580L/min，用5‰KCl水溶液60m3，出口返出水7m3,返出原油11m3及少量压裂砂。19:00-5日7:00提出井内油管（泵车冲砂工作8小时）。清洗油管对泵试压5日7:00-10:30提出井内所有冲砂管柱。10:30-11:30清洗油管180根，同步地面对抽油泵试压5MPa，30min压力不降，试压合格。（清蜡车工作5.5小时）。下泵挂管柱及抽油杆柱5日11:30-18:00下泵挂管柱至丝堵底界井深1727.34m，Φ44mm抽油泵底界井深1675.92m。构造：丝堵（0.15m）+Φ73mmN80平式油管5根+砂锚（3.09m）+双公（0.91m）+Φ44mm泵底带撞击式泄油器+Φ73mmN80平式油管175根+油管挂。18:00-23:00拆防喷器，安装井口，地面清洗抽油杆205根。23:00-6日13:30下抽油杆至泵底，安装抽油杆防喷盒，调节防冲距0.4m。抽油杆构造：柱塞（1.48m）+（Φ19mm抽油杆+强磁支撑抗磨副）×10根+补偿器（0.56m）+Φ19mm抽油杆50根+变丝（0.10m）+Φ22mm抽油杆95根+光杆。(其中Φ19mm抽油杆每5根加1个扶正器，Φ22mm抽油杆每6根加一种)。调节抽油机机抽试采6日13:30-14:00试抽出液正常并憋压1.8MPa，20min压力不降，试压合格。14:00-8日7:00调节抽油机，挂驴头，同步通井机放井塔清理井场，结束施工。试采状况日期生产时间（h）含水%油量(t)水量(t)液量(t)-9-824100028.0128.01-9-922.599.40.1422.7522.89-9-1024921.7219.7321.45-9-1122.5901.7715.9217.69-9-122488.51.9114.6816.59-9-132482.52.3310.9813.31-9-142479.62.6710.4413.11-9-152475.62.748.4911.23-9-162475.61.173.614.78-9-172468.93.718.2111.92五、施工分析与特殊状况阐明本次对1908-2258m进行冲砂施工。第一次冲砂：泵车反循环洗井3周，出口无砂返出。进行液氮反举，泵压由0↗19MPa，排量0.65-0.98m3/min，共注入液氮15.63m3，出口返出水第二次冲砂：下冲砂管柱至笔尖底界井深2184.41m处遇阻，泵车大排量反循环冲洗至笔尖底界井深2258.48m。出口返出少量压裂砂。六、用料状况BK20P2井材料消耗一览表名称型号及尺寸单位数量拉清水方210拉污水方210氯化钾吨1.1旋塞阀70MPa个2Φ73mmN80双公短节根1自封胶皮个4防污布米500七、井身构造示意图ф73mmN80平式油管175根ф44mm柱塞+柱塞（1.48m）+（Φ19mm抽油杆+强磁支撑抗磨副）×10根+补偿器（0.56m）+Φ19mm抽油杆50根+变丝（0.10m）+Φ22mm抽油杆95根+光杆。(其中Φ19mm抽油杆每5根加1个扶正器，Φ22mm抽油杆每6根加一种)Φ44mm泵底带撞击式泄油器×1675.92m砂锚×3.09m×1679.01mф73mmN80平式油管5根丝堵×0.15m×1727.34BK20P2完井管柱图八、投产井深构造示意图砂锚44mm泵（1675.92m）2259-2643m强磁防蜡器丝堵泄油器抽油杆扶正器抽油杆油管砂锚44mm泵（1675.922259-2643强磁防蜡器丝堵泄油器抽油杆扶正器抽油杆油管BK20P2井管柱构造设计示意图九、附完井管柱具体登记表表7-1BK20P2井完井管柱数据表编号单根长（m）合计长（m）编号单根长（m）合计长（m）编号单根长（m）合计长（m）钢级丝堵0.1559.6388.83N80油管19.6469.6499.64壁厚（mm）油管29.6379.60409.6493.146.45油管38.7489.6519.65油管49.6399.6529.63直径（mm）油管59.63209.6196.2039.6473砂锚3.0919.6449.65备注双公短节0.9151.4229.6359.64ф44mm泵+泄油器6.8439.6469.6219.6749.6379.6029.6459.6489.6339.6169.6599.6549.6079.60509.6496.3559.6089.5219.6269.6398.8329.6279.53309.6395.4139.6389.6418.8349.6499.6328.8359.61109.60102.9939.6369.6419.6449.6479.6129.6459.6489.6539.5368.8399.6449.6179.63609.6496.30表7-2BK20P2井完井管柱数据表编号单根长（m）合计长（m）编号单根长（m）合计长（m）编号单根长（m）合计长（m）钢级19.6449.6079.65N8029.6059.6389.64壁厚（mm）39.6469.6499.606.4549.6179.631109.6495.4659.6488.8319.64直径（mm）69.6598.8328.837379.64908.8392.3039.64备注89.6018.8349.6599.6528.8359.60709.6096.2738.8369.6119.6248.8379.6029.6458.8389.6139.6468.8399.6349.6278.831209.6595.4659.6088.8319.6469.6299.6029.6379.641009.6389.8739.6388.8318.8349.6399.6129.6459.62809.6495.4639.5969.5918.8349.6079.6428.8359.6089.6539.6569.6599.64表7-3BK20P2井完管柱数据表编号单根长（m）合计长（m）编号单根长（m）合计长（m）编号单根长（m）合计长（m）钢级1309.6439.64N8019.6349.64壁厚（mm）29.6259.615.5139.6369.6149.6079.60直径（mm）59.6489.617369.6199.60备注79.641609.6496.2389.6519.6399.6429.561409.6496.3039.6419.6449.6428.9759.61泵底1670.82+油补距5.1=1675.92m39.6469.63丝堵1727.34m49.6178.8358.9689.5969.6499.6179.601709.6395.3789.6019.5899.6429.621509.6094.9038.8319.6348.8329.6559.6446.50表7-4BK20P2井完井抽油杆数据表编号单根长（m）合计长（m）编号单根长（m）合计长（m）编号单根长（m）合计长（m）钢级柱塞1.4828.0448.00杆17.9419mm38.0458.01壁厚（mm）抗19.1848.0468.02杆28.0458.0478.01抗29.1768.0488.01直径（mm）杆38.0478.0498.0019抗39.1788.03308.0180.64备注杆48.0498.0418.02抗49.18108.0490.1328.00杆58.0118.0338.00抗59.2028.0448.00杆68.0338.0058.00抗69.1748.0368.01杆78.0358.0678.01抗79.2068.0587.99杆88.0378.0398.00抗89.2088.04408.0080.03杆98.0498.04补0.56抗99.20208.0280.3418.00杆108.01164.36补0.5628.00抗109.1918.0038.00补偿器0.5628.0248.0018.0338.0058.00表7-5BK20P2井完井抽油杆数据表编号单根长（m）合计长（m）编号单根长（m）合计长（m）编号单根长（m）合计长（m）钢级68.0298.0218.0778.01708.0180.1627.95壁厚（mm）88.0018.0037.9798.0128.0048.07508.0280.6238.0057.97直径（mm）18.0148.0167.9719、2228.0158.02扶0.24备注38.0168.0278.0648.0078.0588.0558.0088.0498.0668.0098.04108.0780.5278.00808.0480.2217.9688.0118.0528.0798.0028.05扶0.24608.0080.0438.0437.9517.9948.0548.0728.0358.0458.0738.0368.0668.0748.0378.0578.0758.0588.0488.0668.0098.05扶0.2478.00908.0580.4898.0688.00变丝0.1022mm208.0480.90表7-6BK2