compass测量系统培训教程
合集下载
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
– BGGM
British Geologic Survey Geomagnetic Model 校正期：每年
Field Setup
Local Coordinate System
– Well Centre – Site Centre – Field Centre – Use Geodetic Scale Factor
– 正常化二阶带球谐系数 C2.0 = - 484.16685 X 10-6 ± 1.3 X 10-9
– 地球角速度 ω = 7,292,115 X 10-11 rad s-1 ± 0.1500 10-11 rad s-1
参考椭球体对比
Name GRS 1980 WGS 1972
Australian 1965
Field Setup
Geographic Reference System
– Geodetic System
UTM
– 世界划分为60个区，每经度6º为一区 – 以赤道为0点，南北各84º – 最大特点是经线表象为平行直线 – 适用于近赤道低，沿纬线延伸地区
Field Setup
Geographic Reference System
Field Setup
Geographic Reference System
– Geodetic Datum 大地基准
定义投影的中心和半径 常用系统
– WGS84(World Geodetic System 1984) 1984年世界大地测量系统
– Krasovsky1940 1940年克拉索夫斯基
曲率半径 6,356,752.3 6,356,750.5 6,356,774.7 6,356,863.0 6,356,911.9 6,356,911.9 6,356,514.9 6,356,583.8 6,356,256.9 6,356,079.0 6,356,075.4
扁率 1/298.257 1/298.26 1/298.25 1/298.25
Company Setup
Anticollision Settings(防碰设置)
– Scan Method
(3D)Closest Approach (三维逼近法)
Company Setup
Anticollision Settings(防碰设置)
– Scan Method
Traveling Cylinder (法平面法 )
Company Setup
Anticollision Settings
– Warning Levels or Rules
Error Ratio(误差比) Depth Ratio(深度比) Risk Based(风险底线)
Company Setup
Anticollision Settings
Krasovsky 1940 Internatl 1924
HAYford 1909
Clarkel 1880 Clarkel 1866
Airy 1849 Bessel 1841 Everset 1830
平均 6,378,137 6,378,135 6,378,160 6,378,245 6,378,388 6,378,388 6,378,249.1 6,378,206.4 6,377,563.4 6,377,397.2 6,377,276.3
1/297 1/297 1/293.46 1/294.98 1/299.32 1/299.13 1/300.80
功能模块
定向井数据库 定向井设计 定向井测量 防碰扫描 完井报告 相关功能
图例
定向井数据库建立及管理
五级数据结构
– Company – Field – Site – Well – Wellpath
Company Setup
Company Setup
Survey Error Model(测量误差模型)
– Warning Levels or Rules
Error Ratio
– Ratio factor = (Center to Center distance ) / (R1 + R2) – 如为1.00，指两井误差圆正好相碰.
ห้องสมุดไป่ตู้
Company Setup
Anticollision Settings
– Warning Levels or Rules
Depth Ratio
– Depth Ratio = 误差半径 / 井深 – Max Radius 最大半径
Company Setup
Anticollision Settings
– Warning Levels or Rules
Risk Based
Field Setup
Geographic Reference System
– Geodetic Datum 大地基准
WGS84基本参数
– 长半轴 a = 6,378,137 ± 2m
– 地球引力常数 GM = 3,986,005 X 108 m3s-2 ± 0.6 X 108 m3s-2
– ISCWSA(矢量误差 )
主要针对固态磁性仪器，例如MWD，ESS 涉及系统误差 SPE56702
Company Setup
Survey Error Model(测量误差模型)
– Input Errors(输入误差) & Output Errors(输出误差)
1.00 sigma: 65% 2.00 sigma: 95%
– Geodetic System
UTM
Field Setup
Field Setup
Geographic Reference System
– Geodetic System
高斯投影
Field Setup
Geographic Reference System
– Geodetic Datum 大地基准
WGS84
– 协议地球坐标系
Field Setup
Geomagnetic Model
– IGRF
International Geomagnetic Reference Field 校正期：每5年
– WMM
World Magnetic Model 校正期：每5年
– DGRF
Definitive Geomagnetic Reference Field 校正期：每5年
Company Setup
Survey Error Model(测量误差模型)
– Cone of Error(锥形误差 )
基于现场数据和实验数据的比较 经验化
计算公式：前一个球体半径 + 测量间距 x 工具误差系数 /1000 以(井眼误差＋井眼半径)开始
Company Setup
Survey Error Model(测量误差模型)
Company Setup
Anticollision Settings(防碰设置)
– Scan Method
Horizontal plane (水平面法)
Company Setup
Anticollision Settings(防碰设置)
– Scan Method
Traveling Cylinder North (High Side+Azimuth)
Geographic Reference System
– Geodetic System
坐标系，投影模型 常用系统
– Flat Earth – UTM(Universal Transverse Mercator)
墨卡托通用横轴投影系统 North(X), East(Y) – Lambert Projection – GPS(Global Positioning System) – CGP(China Gauss Projection) 中国高斯投影 – US State plane Co-ordinate System 1983 美国国家坐标系统1983
– 估计相碰的概率 – 如为0.01，指100口井里有1口井相碰的概率
Field Setup
Field Setup
Geographic Reference System
– Geodetic System 大地测量系统 – Geodetic datum 大地基准 – Map Zone
Field Setup
Company Setup
Calculation Defaults
– Vertical Section
Slot Site
Vertical Section
Slot Site
Company Setup
Calculation Defaults
– Walk/Turn
MD
– 变化率= 狗腿基本长度 x 测量变化 / 深度变化
– Systematic Ellipse(系统椭圆误差 )
六种误差系数
– Misalignment Error(偏心误差) – Relative Depth Error(相关深度误差) – True Inclination Error(基本井斜误差) – Compass Reference Error(参考罗盘误差) – Gyroscope Azimuth Error(陀螺参考方位误差 ) – Magnetic Azimuth Error(磁方位误差)
HDL
– 变化率 =狗腿基本长度x 测量变化x sin((L1 + L2)/2)/深度变化 – L1是开始井斜，L2是结束井斜
Company Setup
Anticollision Settings(防碰设置)
– Scan Method(包括四种扫描方法)
(3D)Closest Approach (三维逼近法) Traveling Cylinder (法平面法 ) Horizontal plane (水平面法) Traveling Cylinder North (High Side+Azimuth)
Company Setup
Calculation Defaults(默认计算方法)
– Survey Calculation(测量计算)
Average Angle(平均角法) Balance Tangential(平衡正切法) Minimum Curvature(最小曲率法) Radius of Curvature(曲率半径法)
计算机辅助设计和测斜分析系统
COMPASS
Computerized Planning & Analysis Survey System
简介
COMPASS是一套用于定向井设计和监控的 软件包。随着它的升级，现在它的功能已 经相当完备，包括钻前的轨迹设计、水力 参数估算、钻具分析到现场的轨迹监控、 跟踪设计及完井报告等，是一套定向井方 面的优秀软件。
– Systematic Ellipse(系统椭圆误差 )
工业标准，1981年，SPE9223 系统的内因和外因引起 发生在同一个矢量方向上 不考虑随机误差 测斜阅读误差较小或者可以取消 某些系数和加权数不适合MWD和速率陀螺 六种误差系数
Company Setup
Survey Error Model(测量误差模型)
– Systematic Ellipse(系统椭圆误差 ) – Cone of Error(锥形误差 )
– ISCWSA (The Industry Steering Committee for Wellbore Survey Accuracy)(矢量误差 )
Company Setup
Survey Error Model(测量误差模型)
95companysetupcalculationdefaults默认计算方法surveycalculation测量计算averageangle平均角法balancetangential平衡正切法minimumcurvature最小曲率法curvature曲率半径法companysetupcalculationdefaultsverticalsectionsiteverticalsectionsiteslotcompanysetupcalculationdefaults变化率狗腿基本长度变化率狗腿基本长度x测量变化xsinl1l1是开始井斜l2是结束井斜companysetupanticollisionsettings防碰设置scanmethod包括四种扫描方法3dclosestapproach三维逼近法travelingcylinder法平面法horizontalplane水平面法travelingcylindernorthhighsideazimuthcompanysetupanticollisionsettings防碰设置scanmethod3dclosestapproach三维逼近法companysetupanticollisionsettings防碰设置scanmethodtravelingcylinder法平面法companysetupanticollisionsettings防碰设置scanmethodhorizontalplane水平面法companysetupanticollisionsettings防碰设置scanmethodtravelingcylindernorthhighsideazimuthhighsideazimutherrorsurfacecompanysetupanticollisionsettings防碰设置errorsurface误差面ellipticalconiccircularconicrectangularconicincludecasingscompanysetupanticollisionsettingswarninglevelserrorratio误差比depthratio深度比riskbased风险底线companysetupanticollisionsettingswarninglevelserrorratioratiofactorcenterdistance
High Side + Azimuth
Error Surface
Company Setup
Anticollision Settings(防碰设置)
– Error Surface (误差面)
Elliptical Conic Circular Conic Rectangular Conic Include Casings
4m/10000m
Well Centre
Site Centre
Field Centre
Vertical Datum Reference
Wellpath Datum System Datum Well Reference Point
– 相对比较固定的位置 – 井口 – 泥线
Vertical Datum Reference
British Geologic Survey Geomagnetic Model 校正期：每年
Field Setup
Local Coordinate System
– Well Centre – Site Centre – Field Centre – Use Geodetic Scale Factor
– 正常化二阶带球谐系数 C2.0 = - 484.16685 X 10-6 ± 1.3 X 10-9
– 地球角速度 ω = 7,292,115 X 10-11 rad s-1 ± 0.1500 10-11 rad s-1
参考椭球体对比
Name GRS 1980 WGS 1972
Australian 1965
Field Setup
Geographic Reference System
– Geodetic System
UTM
– 世界划分为60个区，每经度6º为一区 – 以赤道为0点，南北各84º – 最大特点是经线表象为平行直线 – 适用于近赤道低，沿纬线延伸地区
Field Setup
Geographic Reference System
Field Setup
Geographic Reference System
– Geodetic Datum 大地基准
定义投影的中心和半径 常用系统
– WGS84(World Geodetic System 1984) 1984年世界大地测量系统
– Krasovsky1940 1940年克拉索夫斯基
曲率半径 6,356,752.3 6,356,750.5 6,356,774.7 6,356,863.0 6,356,911.9 6,356,911.9 6,356,514.9 6,356,583.8 6,356,256.9 6,356,079.0 6,356,075.4
扁率 1/298.257 1/298.26 1/298.25 1/298.25
Company Setup
Anticollision Settings(防碰设置)
– Scan Method
(3D)Closest Approach (三维逼近法)
Company Setup
Anticollision Settings(防碰设置)
– Scan Method
Traveling Cylinder (法平面法 )
Company Setup
Anticollision Settings
– Warning Levels or Rules
Error Ratio(误差比) Depth Ratio(深度比) Risk Based(风险底线)
Company Setup
Anticollision Settings
Krasovsky 1940 Internatl 1924
HAYford 1909
Clarkel 1880 Clarkel 1866
Airy 1849 Bessel 1841 Everset 1830
平均 6,378,137 6,378,135 6,378,160 6,378,245 6,378,388 6,378,388 6,378,249.1 6,378,206.4 6,377,563.4 6,377,397.2 6,377,276.3
1/297 1/297 1/293.46 1/294.98 1/299.32 1/299.13 1/300.80
功能模块
定向井数据库 定向井设计 定向井测量 防碰扫描 完井报告 相关功能
图例
定向井数据库建立及管理
五级数据结构
– Company – Field – Site – Well – Wellpath
Company Setup
Company Setup
Survey Error Model(测量误差模型)
– Warning Levels or Rules
Error Ratio
– Ratio factor = (Center to Center distance ) / (R1 + R2) – 如为1.00，指两井误差圆正好相碰.
ห้องสมุดไป่ตู้
Company Setup
Anticollision Settings
– Warning Levels or Rules
Depth Ratio
– Depth Ratio = 误差半径 / 井深 – Max Radius 最大半径
Company Setup
Anticollision Settings
– Warning Levels or Rules
Risk Based
Field Setup
Geographic Reference System
– Geodetic Datum 大地基准
WGS84基本参数
– 长半轴 a = 6,378,137 ± 2m
– 地球引力常数 GM = 3,986,005 X 108 m3s-2 ± 0.6 X 108 m3s-2
– ISCWSA(矢量误差 )
主要针对固态磁性仪器，例如MWD，ESS 涉及系统误差 SPE56702
Company Setup
Survey Error Model(测量误差模型)
– Input Errors(输入误差) & Output Errors(输出误差)
1.00 sigma: 65% 2.00 sigma: 95%
– Geodetic System
UTM
Field Setup
Field Setup
Geographic Reference System
– Geodetic System
高斯投影
Field Setup
Geographic Reference System
– Geodetic Datum 大地基准
WGS84
– 协议地球坐标系
Field Setup
Geomagnetic Model
– IGRF
International Geomagnetic Reference Field 校正期：每5年
– WMM
World Magnetic Model 校正期：每5年
– DGRF
Definitive Geomagnetic Reference Field 校正期：每5年
Company Setup
Survey Error Model(测量误差模型)
– Cone of Error(锥形误差 )
基于现场数据和实验数据的比较 经验化
计算公式：前一个球体半径 + 测量间距 x 工具误差系数 /1000 以(井眼误差＋井眼半径)开始
Company Setup
Survey Error Model(测量误差模型)
Company Setup
Anticollision Settings(防碰设置)
– Scan Method
Horizontal plane (水平面法)
Company Setup
Anticollision Settings(防碰设置)
– Scan Method
Traveling Cylinder North (High Side+Azimuth)
Geographic Reference System
– Geodetic System
坐标系，投影模型 常用系统
– Flat Earth – UTM(Universal Transverse Mercator)
墨卡托通用横轴投影系统 North(X), East(Y) – Lambert Projection – GPS(Global Positioning System) – CGP(China Gauss Projection) 中国高斯投影 – US State plane Co-ordinate System 1983 美国国家坐标系统1983
– 估计相碰的概率 – 如为0.01，指100口井里有1口井相碰的概率
Field Setup
Field Setup
Geographic Reference System
– Geodetic System 大地测量系统 – Geodetic datum 大地基准 – Map Zone
Field Setup
Company Setup
Calculation Defaults
– Vertical Section
Slot Site
Vertical Section
Slot Site
Company Setup
Calculation Defaults
– Walk/Turn
MD
– 变化率= 狗腿基本长度 x 测量变化 / 深度变化
– Systematic Ellipse(系统椭圆误差 )
六种误差系数
– Misalignment Error(偏心误差) – Relative Depth Error(相关深度误差) – True Inclination Error(基本井斜误差) – Compass Reference Error(参考罗盘误差) – Gyroscope Azimuth Error(陀螺参考方位误差 ) – Magnetic Azimuth Error(磁方位误差)
HDL
– 变化率 =狗腿基本长度x 测量变化x sin((L1 + L2)/2)/深度变化 – L1是开始井斜，L2是结束井斜
Company Setup
Anticollision Settings(防碰设置)
– Scan Method(包括四种扫描方法)
(3D)Closest Approach (三维逼近法) Traveling Cylinder (法平面法 ) Horizontal plane (水平面法) Traveling Cylinder North (High Side+Azimuth)
Company Setup
Calculation Defaults(默认计算方法)
– Survey Calculation(测量计算)
Average Angle(平均角法) Balance Tangential(平衡正切法) Minimum Curvature(最小曲率法) Radius of Curvature(曲率半径法)
计算机辅助设计和测斜分析系统
COMPASS
Computerized Planning & Analysis Survey System
简介
COMPASS是一套用于定向井设计和监控的 软件包。随着它的升级，现在它的功能已 经相当完备，包括钻前的轨迹设计、水力 参数估算、钻具分析到现场的轨迹监控、 跟踪设计及完井报告等，是一套定向井方 面的优秀软件。
– Systematic Ellipse(系统椭圆误差 )
工业标准，1981年，SPE9223 系统的内因和外因引起 发生在同一个矢量方向上 不考虑随机误差 测斜阅读误差较小或者可以取消 某些系数和加权数不适合MWD和速率陀螺 六种误差系数
Company Setup
Survey Error Model(测量误差模型)
– Systematic Ellipse(系统椭圆误差 ) – Cone of Error(锥形误差 )
– ISCWSA (The Industry Steering Committee for Wellbore Survey Accuracy)(矢量误差 )
Company Setup
Survey Error Model(测量误差模型)
95companysetupcalculationdefaults默认计算方法surveycalculation测量计算averageangle平均角法balancetangential平衡正切法minimumcurvature最小曲率法curvature曲率半径法companysetupcalculationdefaultsverticalsectionsiteverticalsectionsiteslotcompanysetupcalculationdefaults变化率狗腿基本长度变化率狗腿基本长度x测量变化xsinl1l1是开始井斜l2是结束井斜companysetupanticollisionsettings防碰设置scanmethod包括四种扫描方法3dclosestapproach三维逼近法travelingcylinder法平面法horizontalplane水平面法travelingcylindernorthhighsideazimuthcompanysetupanticollisionsettings防碰设置scanmethod3dclosestapproach三维逼近法companysetupanticollisionsettings防碰设置scanmethodtravelingcylinder法平面法companysetupanticollisionsettings防碰设置scanmethodhorizontalplane水平面法companysetupanticollisionsettings防碰设置scanmethodtravelingcylindernorthhighsideazimuthhighsideazimutherrorsurfacecompanysetupanticollisionsettings防碰设置errorsurface误差面ellipticalconiccircularconicrectangularconicincludecasingscompanysetupanticollisionsettingswarninglevelserrorratio误差比depthratio深度比riskbased风险底线companysetupanticollisionsettingswarninglevelserrorratioratiofactorcenterdistance
High Side + Azimuth
Error Surface
Company Setup
Anticollision Settings(防碰设置)
– Error Surface (误差面)
Elliptical Conic Circular Conic Rectangular Conic Include Casings
4m/10000m
Well Centre
Site Centre
Field Centre
Vertical Datum Reference
Wellpath Datum System Datum Well Reference Point
– 相对比较固定的位置 – 井口 – 泥线
Vertical Datum Reference