完井设计
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完井设计(海上)well completion design
一、油田基本概况oil field basic overview
1.位置及环境数据location and environmental data
(1)井名well name;
(2)井型well type
(3)地理位置geographical position
(4)构造特征structural feature
(5)作业模式operation mode
(6)目的层位purpose position
(7)设计井深design well depth
(8)完井方式well completion system
2.油藏数据reservoir data
(1)孔隙度porosity
(2)渗透率permeability
(3)原始地层压力initial formation pressure
(4)油层温度reservoir temperature
(5)原油密度oil density
(6)原油地下粘度underground oil viscosity
(7)泥质含量argillaceous content
(8)地层水矿化度formation water salinity
(9)岩性资料lithology data(矿物成分、粒度分析、防砂分析资料)3.钻井数据drilling data
(1)井名well name;
(2)井型well type
(3)井口坐标well head coordinate
(4)套管程序casing program
(5)井身结构well construction
4.完井液设计well completion fluid design
(1)完井液体系well completion fluid system
(2)完井液体系特点characteristic of well completion fluid system (3)完井液性能completion fluid main performance
(4)完井液配方completion fluid formulation
5.筛管规格sand screen standard
(1)优质筛管premium sand screen
(2)盲管规格blank tubing standard
6.油管强度校核oil tube strength check
(1)抗外挤resistance to external pressure
(2)抗内压resistance to internal pressure
(3)屈服强度yield strength
7.井下工具down hole tools
(1)SC-1R顶部封隔器top packer
(2)井下安全阀downhole safety valve
(3)滑套sliding sleev
(4)工作筒nipple
(5)偏心工作筒side pocket mandrel(堵塞器blanking plug、循环阀circulation valve、气举阀gas lift valve、化学剂注入阀chemical fillup valve、配水嘴flow regulator)
(6)伸缩节expansion joint
(7)流动短节flow coupling
(8)安全接头safety apparatus joint
二、作业前准备preparation before operation
三、施工程序construction program
1、刮管洗井well clean up
2、下防砂管柱down pass sand control string
3、下生产管柱down pass production string
4、装采油树install Christmas tree
四、完井质量控制标准well completion quality control standardized
五、完井的工期和费用