南海深水油气田开发方案精选PPT课件.ppt
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1、Start with Engineering, Focus on Solutions1上海利策科技有限公司April 29, 2022南海深水油气田开发方案Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions2内容提要深水油气田开发方案案例分析Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions3深水油气田开发方案1)设计基础2)开发方式的选择3)浮式生产平台的选择
2、4)立管系统的选择5)外输方案的选择6)水下生产系统的考虑7)流动保障的考虑8)建造与安装资源Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions4设计基础1)油气藏数据/钻完井方案2)环境数据/设计准则3)土壤/地质条件4)周边设施5)开发计划Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions5开发方式的选择1)单井产量/井口数2)干式井口 Vs. 湿式井口3)
3、钻井平台钻井 Vs. 生产平台钻井4)修井方式5)人工举升方式5Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions6浮式生产平台的选择1)浮式生产平台类型及特点2)浮式生产平台设计考虑3)浮式生产平台发展趋势6Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions7浮式生产平台 半潜式平台 FPSO 张力腿平台 单立柱平台Start with Engineering
4、, Focus on SolutionsStart with Engineering, Focus on Solutions8半潜式生产平台Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions9浮式生产储油轮(FPSO) 上部模块 船体 系泊系统Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions10浮式生产储油轮(FPSO)Start with Engineeri
5、ng, Focus on SolutionsStart with Engineering, Focus on Solutions11张力腿平台(TLP)Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions12张力腿平台(TLP)Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions13单立柱平台(SPAR)Start with Engineering, Focus o
6、n SolutionsStart with Engineering, Focus on Solutions14单立柱平台(SPAR)Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions15浮式平台设计考虑 上部甲板负荷和面积要求 对浪/流的运动响应 系泊系统 储油能力 重复使用 费用Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions16浮式生产平台-发展趋势浮式平
7、台现状在役数量单位:个分布数量(单位:个)墨西哥湾巴西挪威其他半潜式平台44818810单立柱平台1918001张力腿平台251612616Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions17浮式生产平台-发展趋势整体发展趋势系统简化,高可靠性因地制宜,保证经济性TLP张力筋腱与海底连接处,注重设计安全,消除自我解脱机制高干舷SPARTopside浮托开放式VS封闭中心井17Start with Engineering, Focus on SolutionsStart wit
8、h Engineering, Focus on Solutions18浮式生产平台-发展趋势SEMI(半潜式平台)方形立柱+矩形沉箱深吃水(3341m)高干舷(1820m)应用Enterprise Independence Hub (8000ft WD, 18” SCR)Murphy Thunder Hawk (6100ft WD, 12” SCR)优势:设计简单,码头整装缺点:垂荡较大,不适合大尺度SCR(20+)和浅水区域18Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solution
9、s19立管系统的选择1)深水立管类型及特点2)深水立管设计考虑3)深水立管发展趋势19Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions20深水立管系统 顶部张紧立管 (TTR) 钢悬链立管 (SCR) 柔性立管 混合立管系统Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions21顶部张紧立管 (TTR)Start with Engineering, Focus
10、on SolutionsStart with Engineering, Focus on Solutions22钢悬链立管 (SCR)Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions23柔性立管Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions24混合立管系统Start with Engineering, Focus on SolutionsStart wit
11、h Engineering, Focus on Solutions25深水立管设计关键 浮式平台类型/运动特性 浪/流运动响应特性 管径,长度,内/外压 设计寿命 连接装置 安装方法与能力 费用(经济性)Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions26立管发展趋势261)新材料应用:更高强度,耐腐蚀2)SCR:增加中间浮筒3)柔性管:非金属增强Start with Engineering, Focus on SolutionsStart with Engineering,
12、 Focus on Solutions27外输方案的选择1)外输系统类型管道外输油轮外输油气混输2)天然气外输发展趋势FLNG+LNG船外输CNG船外输27Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions28LNG 外输系统Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions29LNG 外输系统Hegh LNG ABB Start with Engineerin
13、g, Focus on SolutionsStart with Engineering, Focus on Solutions30CNG 外输系统Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions31水下生产系统的考虑1)水下井口的布置2)控制方式的选择3)水下采油树类型4)流动保障的考虑5)化学药剂注入方案6)单井计量方案7)水下工艺设施8)安装与操作方式31Start with Engineering, Focus on SolutionsStart with Engine
14、ering, Focus on Solutions32流动保障的考虑1)管径 Vs. 输送压力2)高凝高粘油品输送(保温)3)水合物防治4)段塞与液体的处理(气液混输)5)腐蚀与磨蚀控制6)减阻措施(降粘、涂层、流型)7)停输、启动与事故控制8)通球清管与智能检测32Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions33建造与安装资源33 国内建造资源大连船舶重工烟台来福士海洋石油工程股份有限公司上海外高桥船厂其他 国内安装资源海洋石油工程股份有限公司上海打捞局其他Start
15、with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions34案例分析1)设计基础2)总体方案3)流动保障4)浮式平台5)水下系统6)后续专题研究34Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions35设计基础 水深: 1500m 海域: 中国南海 离岸: 150 km 凝析气田: 天然气 XXX 亿立方米 设计寿命:25年Start with Engineering, Focu
16、s on SolutionsStart with Engineering, Focus on Solutions36设计基础 环境条件 时间重 现 期(年)3s1min10min30min1h117.614.812.612.111.7527.823.419.819.118.51032.527.323.222.321.62538.232.127.326.325.55042.435.630.329.128.310046.539.133.231.931.0风速(m/s) 参数重现期(年)有效波高(m)最大波高(m)有效周期(s)跨零周期(s)最大周期(s)谱峰周期(s)12.9 5.0 8.7 7.
17、2 11.0 12.2 55.8 10.0 11.2 9.3 14.2 15.8 107.2 12.3 11.8 9.8 14.9 16.6 258.8 15.2 12.2 10.2 15.5 17.2 5010.1 17.3 12.4 10.3 15.7 17.5 10011.3 19.4 12.5 10.4 15.9 17.6 重现期深度1年5年10年25年50年100年0m1.261.912.162.352.552.6710m1.231.812.012.202.332.4320m1.141.751.962.182.312.4350m0.591.191.431.701.872.04100m
18、0.290.520.60.690.750.80150m0.250.380.420.470.490.52200m0.210.310.340.370.390.41300m0.170.250.270.30.310.33500m0.150.220.240.270.280.29流速(m/s)波浪(Jonswap)Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions37设计基础 配产方案前期开发(十年)后期开发(十年)年产量目标产气(108)Nm3XXXX(逐年递减)最大日生产能力最大产气(
19、104)Nm3XXXX最大产液(104)m3XXXX最大产油(104)m3XXXX最大产水(104)m3XXXX单井日产量最大产气(104)Nm3XXXX最大产液(104)m3XXXX最大产油(104)m3XXXX最大产水(104)m3XXXX油气比(体积比)m3/MM Nm38080油水比(体积比)m3/m350.16最大关井压力MPa3535最大井口流动压力MPa2828Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions38设计基础Start with Engineerin
20、g, Focus on SolutionsStart with Engineering, Focus on Solutions39总体方案方案一、 中心处理平台+水下生产系统 方案二、 井口平台+FPSO方案三、 井口处理平台+水下生产系统方案四、 水下生产系统回接到岸方案五、 水下生产系统回接到浅水中继平台 Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions40外输方案一:管道输出(油气分输)外输方案二:管道输出(油气混输)外输方案三:管道输出(气)+ 油轮外输(油)外输方案
21、四:LNG外输(气)+ 油轮外输(油)外输方案Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions41流动保障 水下系统输送到岸上终端管径与输送压力可行性水下增压可行性水合物防治措施 段塞流管道腐蚀和防腐 水下系统输送到浮式平台后外输 小结Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions42流动保障-输送到岸上终端管径与输送压力可行性Start with Eng
22、ineering, Focus on SolutionsStart with Engineering, Focus on Solutions43水下增压方案新技术、多相流体输送、设备简化 适合含气率大于95%的气田,理论上可用于本项目流动保障-输送到岸上终端Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions44水下增压可行性没有工程实例,Ormen Lange等油气田2012年启用供电问题(60MW)维护费用高水下增压技术风险很大,不推荐在本项目应用流动保障-输送到岸上终端St
23、art with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions45水合物生成曲线流动保障-输送到岸上终端水合物Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions46水合物湿气外输管线-温度压力分布曲线5km温温度度2流动保障-输送到岸上终端Start with Engineering, Focus on SolutionsStart with Engineering, Focu
24、s on Solutions47水合物处理:电伴热、水下脱水、注入水合物抑制剂甲醇的加入量38,320kg/h,需很大管径 ,不推荐 推荐加入低剂量抑制剂,注入量以水相的1%计算,即711.66kg/h ,甲醇用于开井及紧急泄放流动保障-输送到岸上终端Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions48管线的清管体积为2X3,078m3推荐在陆上终端设置6,200m3段塞流捕集器 段塞流捕集器分容器式和管式,推荐采用管式捕集器段塞流流动保障-输送到岸上终端Start with
25、 Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions49CO2的含量为7.03mol%,存在腐蚀解决方法:前5公里采用碳钢+内衬不锈钢5公里后,温度基本维持稳定,采用碳钢+缓蚀剂的方案管道腐蚀与防腐流动保障-输送到岸上终端Start with Engineering, Focus on SolutionsStart with Engineering, Focus on Solutions50流动保障 水下系统输送到岸上终端 水下系统输送到浮式平台后外输 管径与输送压力可行性水合物防治措施 段塞流管道
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