井身结构和井下管柱

井身结构、生产管柱简介2011年4月2中海石油（中国）有限公司湛江分公司简介提纲海上采油井典型井身结构南海西部油田典型生产管柱结构渤海油田典型生产管柱结构3中海石油（中国）有限公司湛江分公司井身结构井身结构是指由直径、深度和作用各不相同，且均由注水泥或特制管线进行封固环形空间而形成的轴心线重合的一组套管与水泥环的组合。4中海石油（中国）有限公司湛江分公司典型海上采油井身结构图表层套管技术套管油层套管油气（生产）套管连通油气通道5中海石油（中国）有限公司湛江分公司典型海上采油井身结构图隔水管表层套管技术套管（1层或2层）油气套管尾管6中海石油（中国）有限公司湛江分公司1转盘面平均海平面@23m泥线@175m13-3/8套管@391.67m17-1/2井眼@395m12-1/4井眼@2235m9-5/8套管@2230m8-1/2井眼@2940m51/2复合筛管@2183.6~2934.530导管@197.56m36井眼@198m典型海上采油井身结构图7中海石油（中国）有限公司湛江分公司典型海上采油井身结构图隔水套管封隔上部不稳定的松软地层和水层8中海石油（中国）有限公司湛江分公司典型海上采油井身结构图技术套管封隔难以控制的复杂地层隔水套管在井口地面的部分9中海石油（中国）有限公司湛江分公司典型海上采油井身结构图地质构造的复杂性的具体情况决定了井身结构的复杂性10中海石油（中国）有限公司湛江分公司典型海上采油井身结构图地层塌陷地层漏失11中海石油（中国）有限公司湛江分公司自喷井生产管柱TCP与生产管柱联作自喷管柱单管电泵管柱带“Y-Tool”电泵管柱带“Y-Tool”电泵分采管柱ESP-Y-Tool-TCP联作管柱带“Y-Tool”双电泵分采生产管柱双管管柱生产管柱结构实例12中海石油（中国）有限公司湛江分公司自喷管柱图，分三层可合采也可分采，分采通过开关滑套和坐入堵头实现，8号滑套作为作业时压井循环通道用。W12-1-A3井(MP2)完井管柱1999.10.231序号名称扣型外径(mm)内径(mm)长度(m)深度(m)备注3.5521279mm油管挂4-1/2EUE279.40100.500.283.8332114.3mmN80油管4-1/2EUE141.30100.50119.18123.01436.35mm液控管线1/4NPT6.353.860.00123.015496.85mm安全阀4-1/2EUE170.9496.851.55124.5665114.3mmN80油管4-1/2EUE141.30100.5047.54172.106114.3mmX88.9mm接头EUE114.3076.000.53172.637788.9mmN80油管3-1/2EUE114.3076.003070.363242.998871.45mm滑套3-1/2EUE115.5771.451.243244.239988.9mmN80油管3-1/2EUE114.3076.002.933247.161010177.8mmPHL封隔器3-1/2EUE148.0173.281.593248.75111188.9mmN80油管3-1/2EUE114.3076.00183.173431.92121271.45mm滑套3-1/2EUE115.5771.451.243433.16131388.9mmN80油管3-1/2EUE114.3076.002.933436.091414177.8mmPHL封隔器3-1/2EUE148.0173.281.593437.68151588.9mmN80油管3-1/2EUE114.3076.0011.283448.96161688.9mmTO伸缩节3-1/2EUE114.3072.142.163451.12171788.9mmN80油管3-1/2EUE114.3076.0094.933546.051818711.45mm滑套3-1/2EUE115.5771.451.243547.29191988.9mmN80油管3-1/2EUE114.3076.002.933550.222020177.8mmPHL封隔器3-1/2EUE148.0173.281.593551.81212188.9mmN80油管3-1/2EUE114.3076.001.803553.61222269.85mmX工作筒3-1/2EUE95.7671.450.373553.98232388.9mm带孔管3-1/2EUE114.3076.009.503563.48242469.855mmXN工作筒3-1/2EUE95.7666.930.383563.86252588.9mmN80油管3-1/2EUE114.3076.002.913566.772626变扣接头2-7/8EUPx3-1/2EUB73.0062.000.553567.32272773mmN80油管2-7/8EUE73.0062.003.023570.34282873mm圆头管鞋2-7/8EUE73.0057.150.133570.47注:表中所有数据以原南海四号钻井平台转盘面为基准面自喷井生产管柱思考问题1、该生产管柱类型的自喷井修井压井后容易出现什么情况，需要如何处理？13中海石油（中国）有限公司湛江分公司该图是带射孔枪联作自喷管柱，通过射孔枪射开下层自喷生产。1油田：涠11-1作业平台:海洋9419-5/847#N80套管深:2584.08m2井号：A6井别:注水井原729#13Cr套管顶深:2520m729#13Cr套管回接工具深:2435.03m729#13Cr套管回接至距离井口:376.93m3现场管柱设计：729#N80尾管深:3049m4现场审核：射孔井段:2655.6~2816.8m/2852.2~2990.6m5日期：最大井斜:14.806序号工具描述最大外径(mm)最小内径(mm)长度(m)深度(m)32.76111油管挂(3-1/212.7#NK-3SBb)279.4069.850.4733.23A变扣3-1/212.7#NK-3SBPx3-1/212.7#foxP88.9069.850.2833.5172个3-1/212.7#fox13Cr油管短节88.9069.8512.0545.5633-1/212.7#fox13Cr油管10根88.9069.8595.60141.1641/4液控管线6.401.240.00141.16B53-1/212.7#fox13Cr油管短节88.9069.853.03144.19C62.56Halliburton井下安全阀(3-1/212.7#fox9Cr)143.7565.001.43145.6273-1/212.7#fox13Cr油管260根88.9069.852472.862618.48D82.31XD滑套(3-1/212.7#FOX9Cr)114.5059.001.242619.719油管短节3-1/212.7#FOX127.7667.063.022622.738107RH封隔器(3-1/212.7#FOX)150.9069.691.702624.439116扶正器147.0069.854.522628.951012油管3-1/212.7#FOX14根88.9069.85134.722763.671113放射标记0.002763.671214油管3-1/212.7#FOX5根88.9069.8548.122811.7913152.31XD滑套(3-1/212.7#FOX)114.5059.001.242813.031416油管3-1/212.7#FOX1根88.9069.859.362822.3915172.25配水工作筒(3-1/212.7#FOX)137.0057.000.952823.341618油管短节3-1/212.7#FOX88.9069.853.062826.4017197RH封隔器(3-1/212.7#FOX)150.8869.691.702828.1018206扶正器147.0069.854.522832.6219211.875X工作筒(3-1/212.7#FOX)110.0047.000.432833.0520223个变扣(3-1/212.7#FOX2-7/8'6.5#EUEP）117.0062.000.762833.8121234个串连减震器127.0056.005.042838.852224负压阀73.0061.000.442839.2923252-7/86.5#EUE油管1根73.0062.009.652848.9326机械点火头73.000.922849.85275安全空枪+枪头127.002.352852.2024285射孔枪127.00138.402990.602529液压延时点火头73.001.192991.7926A7套管回接顶部376.9327B7套管回接工具2435.0328C原7套管悬挂2520.00D9-5/8套管鞋2584.0829E人工井底3024.33备注1、以HY941转盘面为基准面；2、油补距34.16m；3、HY941转盘面海拔高度54.68m；CE4、3-1/2电缆保护器13个，绑带3条。2TCP与生产管柱联作自喷管柱思考问题1、该联作管柱类型的自喷井在投产方面有何优点？14中海石油（中国）有限公司湛江分公司该种管柱结构是井下各层压力系数差不多，可实现合采，否则，只有作业起电泵通过钢丝作业开关滑套调层。1序号工具描述外径（mm）内径（mm）长度（m）深度（m）修井机转盘面至油管四通高度9.35111油管挂279.40100.530.369.71424-1/2变扣NK3SBpinXFOXpin114.30100.530.7610.4734-1/2油管12.6#Fox114.30100.53162.14172.6174-1/2变扣FOXboxXNK3SBpin114.30100.531.01173.624-1/2NK3SB短节114.30100.531.37174.993.813油管回收安全阀170.9096.851.58176.5794-1/2变扣NK3SBboxXFOXpin114.30100.531.02177.5954-1/2油管12.6#Fox114.30100.53763.31940.901064-1/2油管12.6#Fox114.30100.539.54950.44114-1/2变扣短节FOXboxXNK3SBpin114.30100.532.46952.90123.813滑套142.2096.851.27954.1713变扣短节4-1/2NK3SBpinXFOXpin114.30100.531.02955.191484-1/2油管12.6#Fox114.30100.539.54964.73154-1/2变扣短节FOXboxXNK3SBpin114.30100.531.12965.854-1/2短节NK3SBboxXpin114.30100.532.71968.56179-5/840#RDH封隔器215.1498.042.12970.68变扣短节4-1/2NK3SBpinXFOXpin114.30100.530.77971.4518104-1/2油管12.6#Fox114.30100.539.54980.9911变扣4-1/2FOXBX3-1/2”EUEP114.30100.532.00982.99123-1/2EUE卸油阀98.50－0.19983.18133-1/2EUE单流阀98.50－0.50983.6814泵出口130.00－0.21983.8915OCEC400方/800m泵OG3100130.00－3.62987.5116泵吸入口130.00－0.54988.0517OCEC540保护器130.00－2.76990.81OCEC540电机138.00－4.82995.6318测压装置（PSI）98.430.96996.5992