custom loading & calculations using interval data...sep 29, 2011 · custom loading &...

Custom Loading & Calculations using Interval Data PETRA® User Group Session Series

Armin Schafer

Technical Sales Executive

PETRA/PetraSeis/GeoSyn

Encana Amphitheatre

Sep 29, 2011

noon – 1 pm

Copyright © 2011 IHS Inc. All Rights Reserved. 2

PETRA© User Session Agenda

1. News and Announcements

2. Accumap - PETRA link 3. Overview & Description of Interval Data

4. Interval Data Detailed Core Analysis Example

5. Questions


Accumap - PETRA link

Requirements:

AccuMap (version 21.06 or newer)

PETRA (version 3.6.1 or newer)

Note: PETRA must be closed (not running) to initiate the link.


Accumap - PETRA link

Live Demo:

• Selected Cache Creek, BC area in Accumap

• Create Well List in Accumap

• Launch PETRA from Accumap using Detail Map | Well Lists | Launch

PETRA or Tools | Well List Manager




2. Accumap - PETRA link

3. Overview & Description of Interval Data 4. Interval Data Detailed Core Analysis Example

5. Questions


Comparing Interval & Zone Data

Filing Cabinet File Folders Files

Zones Tab Zone Zone Items (Data)

Interval Tab Interval Table Interval Record with Data Fields


Interval Data Overview

• Zones are generally used to store data about lithostratigraphic units

• Intervals are meant for storing data outside outside “normal stacked strata”

• Micro features that are too fine scaled • Core descriptions & analysis

• Coal beds

• Cuttings

• Detailed lithology/facies mapping

• RFT

• Faulted repeat pay zones

• Drilling events

• Macro features that span zones • Mud weights and properties

• Bio or paleostratigraphic data

• Completion details

• Perf & test data

• Drilling events


Comparing Interval & Zone Data

• Each interval data type (e.g. core, litho) is stored in a unique table

• Occurrences/records of each type are stored within each table

• Record attributes are stored within “Data Fields” that are unique to each table




2. Accumap - PETRA link

3. Overview & Description of Interval Data

4. Interval Data Detailed Core Analysis Example 5. Questions


Detailed Core Analysis Interval Example

Search for wells with Core Analysis



Wells with Core Analysis in Accumap



Launch Export Manager, launch Template Editor



Remove Sort UWI and UWI Rows



Add Unformatted UWI row



Add Core Attributes



Save template as User – Core Analysis Template



Edit XL Spreadsheet, then save as CSV



Add a new interval Data Table – Core Analysis



Add New Interval Data Fields



Import Core Analysis CSV file into PETRA



Assign start and end columns for the Field Definitions

Note: UWI, Top and BASE Fields are required



View and edit Core Analysis Interval in PETRA



Create New Zone – the DOIG Zone



Extract Average, Max, Min, etc values within a Zone

from Core Analysis



CrossPlot Core Kmax vs CorePorosity vs Core Grain

Density



Create a Porosity Log Curve from Core Analysis

Interval Table



Core Analysis Porosity Curve versus DPSS and as

Discrete Points



Core Analysis Porosity Curve smoothed versus

DPSS



Sometimes Core Analysis Porosity Curve smoothed

needs to be shifted versus DPSS



Shift Core Analysis Porosity Curve



Core Analysis Porosity Curve smoothed before and

after log shift


Interval Data Highlights: Display (Map)

• Plot Interval Colors & Data Markers on Borehole Path

• Options>Interval Data on Well Path…

• Good for tracking changes in lith, biostrat assemblages, gas shows, etc.


Interval Data Highlights: Display (X-Section)

• Every interval stores a set of colors, markers, and patterns that

can be displayed on the cross-section module

• These attributes can be assigned on

a well-by-well basis or in bulk via the

Maintenance > Data Tab >

Find/Replace Button

• To display interval data for a well in

the Cross Section Module, select

Wells>Plot Interval Data.


Interval Data Highlights: Analysis

• Gridding Interval Data

custom loading & calculations using interval data...sep 29, 2011 · custom loading &...

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