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1 Engineering of Platform, Drilling, Logging and Testing in Offshore Oil Exploration and Development 海洋石油勘探与开发 : 平台建造钻井测井与测试林鹤鸣中海石油深圳分公司勘探部 Lin Heming Exploration Department, CNOOC-Shenzhen Ltd. August 22-25

2 Offshore Oil Exploration, Exploitation, Production and Abandonment 海洋石油勘探开发生产和弃置 Seismic Acquisition 地震采集 Seismic Interpretation 地震解释 Petroleum Research 综合石油地质研究 Prospect Evaluation 有利目标评价 Abandon 弃井 No Discovery 无发现 Logging 测井 Drilling 钻井 Choose Well Location 井位确定 Discovery 油气发现 Abandon 弃井 No Commercial Value 无商业价值 Testing 测试 Exploitation 开发 Production 生产 Abandonment 油田弃置

3 Engineering of Platform 平台的工程建造

4 Platform of Offshore Oil Exploration and Production 海洋石油平台

5 Main Facilities of Offshore Exploration and Production 海上设施生产平台 Production Platform billion RMB 储油轮 FPSO billion RMB 水下设施 Subsea Facilities 1-3 billion RMB 钻井 / 勘探平台 Drilling Platform 2-6 billion RMB

6 Platform of Offshore Oil Exploration and Production 海洋石油平台油气田设施建设内容按过程分包括 : Building Procedure of a Production Platform 1 设计 Design 2 建造 Building 3 安装 Installment 4 调试 Commissioning 5 机械完工和投产 Putting into Production

7 Platform of Offshore Oil Exploration and Production 海洋石油平台导管架建造 Jecket Building 上部组块建造 Top Block Building 钻机建造 Drilling Rig Building 生活楼建造 Living Courter Building

8 Platform of Offshore Oil Exploration and Production 海洋石油平台运输 Transport 导管架下水 Jacket Launching 打桩 Piling 钻机模块吊装 Drilling Rig Lifting 连接调试 Hook up and Commissioning

9 Platform of Offshore Oil Exploration and Production 海洋石油平台 HYSY 981 Jack up Semisub Drilling ship

10 Drilling of Offshore Oil Exploration 海洋石油钻井

11 Drilling of Offshore Oil Exploration 海洋石油钻井目前, 钻井平台已发展到第六代 The latest platform is the 6 th generation.

12 Drilling of Offshore Oil Exploration 海洋石油钻井 Typical drilling programmer for drillship and semi-submersible (subsea wellhead system) 钻井船或半潜式平台钻井的典型井身结构 Typical Well structure for jack-up or production platform 30 conductor+20casing+13-3/8 casing +9-5/8 casing+7 casing 自升式或生产平台钻井的典型井身结构

13 Drilling of Offshore Oil Exploration 海洋石油钻井 HIGH INVESTMENT 高投资 HIGH TECHNOLOGY 高技术 HIGH RISK 高风险

1. The building cost and rent cost are very high # HYSY 981 building cost------6 billion RMB # Jack-up rent

5-2 million RMB/day # Deepwater drillship or semi-submersible rent cost------3 million RMB /day. 2.

Logistic services cost high The day rate of an exploration well is about 2.

14 1. The building cost and rent cost are very high # HYSY 981 building cost billion RMB # Jack-up rent cost million RMB/day # Shallow-water semi-submersible rent cost million RMB/day # Deepwater drillship or semi-submersible rent cost million RMB /day. 2. Drilling material cost high 3. High technology brings high cost Drilling of Offshore Oil Exploration 海洋石油钻井 4. Logistic services cost high The day rate of an exploration well is about million RMB/day in shallow water and 5-6 million RMB/day in deepwater. Total cost of drilling to develop a common oil field by platform in shallow water is billion RMB and more than 3 billion RMB in deepwater.

15 Drilling of Offshore Oil Exploration 海洋石油钻井 Advanced drilling equipment, drilling and completion technology 先进的设备和技术 Subsea technology ROV 水下机器人 DP or subsea position 海底定位 Subsea wellhead, intelligence Completion and X TREE 水下井口智能完井采油树

16 Drilling of Offshore Oil Exploration 海洋石油钻井 Limited space on platform make well control difficult, easy to get a fire or even explosion and cause the serious death accident and oil spill crisis. 主要风险 : 火灾爆炸死亡溢油等 Tough environment: Typhoon, monsoon and black current and so on. 恶劣环境 : 台风季风黑潮等 Shallow layer geologic hazard Shallow gas accident 浅层地质灾害浅层气

17 Wireline Logging of Offshore Drilling 电缆测井

Wireline Logging of Offshore Drilling 电缆测井 The

Porosity 渗透率 K Permeability 泥质含量 Vsh Volume of

18 Wireline Logging of Offshore Drilling 电缆测井 The Purpose: 岩性物性电性含油气性 Lithology Porosity & Permeability Resistivity Oil Saturation Formation Evaluation: 有效孔隙度 Φ Effective Porosity 渗透率 K Permeability 泥质含量 Vsh Volume of Shal 含水饱和度 Sw Water Saturation 有效厚度 H Thickness S w = n abr R φ t w m

19 Spectrum Fluid ID Radioactivity

20 Wire Logging Raw Data Data Processing & Analysis!

21 综合测井图 Composite logging map

22 Testing of Offshore Drilling 测试

Testing of Offshore Oil Exploration 测试 The Concept of Testing 测试的概念 Formation testing is established in drilling engineering formation channel-hole through certain measures after the formation fluid

23 Testing of Offshore Oil Exploration 测试 The Concept of Testing 测试的概念 Formation testing is established in drilling engineering formation channel-hole through certain measures after the formation fluid into the wellbore out, and even the fluid and production through a series of homework, understand of fluid properties, capacity and to obtain all kinds of formation parameters of the data such as whole process called formation testing. 地层测试是在钻井工程建立起地层通道 --- 井眼之后, 通过一定的措施使地层流体流入井筒甚至喷出地面, 并对流体和产层通过一系列作业, 搞清流体性质产能及取得各种地层特性参数等资料的整个工艺过程称为地层测试

24 Testing of Offshore Oil Exploration 测试计量罐分离器输送泵加热炉压风机油管汇钢丝绞车阻流管汇燃烧头气管汇燃烧臂数据头流动头井上设备和井下工具 Surface Equipment and Downhole Equipment

Testing of Offshore Oil Exploration 测试 The Purpose of Testing 测试的目的 1. Ascertain formation fluid property and output capacity; 确定地层流体性质及产出能力 2.

25 Testing of Offshore Oil Exploration 测试 The Purpose of Testing 测试的目的 1. Ascertain formation fluid property and output capacity; 确定地层流体性质及产出能力 2. Determine the effective thickness of production and the effective permeability; 确定产层有效厚度及有效渗透率 3. Ascertain pressure-p and temperature-t in Produce layer ; 确定产层压力 P 和温度 T 4. Find out the extent of damage of the strata; 弄清地层的损害程度 5. Ascertain formation during test no failure phenomenon; 确认地层在测试过程中无衰竭现象 6. Sure in the stratum oil--water interface position or oil--gas or air-water interface; 确定地层中的油 - 水界面位置或油 - 气或气 - 水界面 7. Sure test radius, boundary display and single well control geological reserves, etc. 确定测试半径边界显示及单井控制地质储量等

26 Process Technology 测试方法 1. Conventional test 常规油气测试 2. Low permeability and low porosity reservoirs test 低孔低渗油气层测试 3. The sand formation testing of heavy oil 稠油出砂地层测试 4. Open hole test 裸眼测试 5. Fracturing test 压裂测试 6. Semi-submersible test 半潜测试 7. Acidification test 酸化测试 8. Screw pumps test 螺杆泵泵抽测试 Testing of Offshore Oil Exploration 测试

27 Meaning of the Testing 测试的意义 1. for oil and gas reservoir/drill evaluation to provide information; 为油气藏 / 油气田的钻后评价提供资料 2. for reserve calculation to provide direct parameters (such as: including hydrocarbon area, the effective thickness, formation of crude oil, the original volume coefficient Boi dissolved gas oil than Rsi, original reservoir pressure); 为储量计算提供直接参数 ( 诸如 : 含烃面积有效厚度地层原油体积系数 Boi 原始溶解气油比 Rsi 原始储层压力 ) 3. further for the writing of the test report to provide information. 进一步为测试报告的编写提供资料 Testing of Offshore Oil Exploration 测试

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<4D6963726F736F667420576F7264202D20C8EDCDC1B5D8BBF9CDB2BBF9CAD4B2C9C6BDCCA8B5C4CACAD3C3D0D4B7D6CEF6> 第 47 卷第 2 期西安建筑科技大学学报 ( 自然科学版 ) Vol. 47 No.2 2015 年 4 月 J. Xi'an Univ. of Arch. & Tech. (Natural Science Edition) Apr. 2015 DOI:10.15986/j.1006-7930.2015.02.016 软土地基筒基试采平台的适用