Basic_Project_Geolog_6.7

1

Project Basics

Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Starting Project . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Using Project . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Project Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Limit / Specify for Processing Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Document Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Opening / Creating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Closing / Saving All . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Use Rulers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Workspace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Well Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Section Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Setting Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Default Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Run Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Exiting Project . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3D Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Dips from 3D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Tops from 3D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Export Well Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Export Well Tops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Export {top}.xyz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

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Project Basics

1-1

Overview

Project is the Geolog application for managing projects and performing multiwell processing on large numbers of wells. From Geolog Version 6.6 onwards, multiwell processing capabilities are also available in Geolog’s Well application. In Well, several wells may be loaded into memory, processed, and then the changes saved or discarded, as required. Therefore, it is strongly recommended that only a few wells be opened consecutively, based on available memory. If large numbers of wells are to be processed simultaneously, use the Project application (wells are not stored in memory, and data is immediately processed and saved to the database). The following functionality is available within the Project application:

Project •

Specify Specify well wellss and and secti sections ons to limit limit proces processin sing. g.

•

Within the "proces "processing sing wells" wells" subset, subset, specify specify wells wells to be displayed displayed using the Datum Datum

•

Crea Create te well well and and sect sectio ion n lists lists..

•

Specify Specify datum datum sett settings ings to proce process ss a speci specific fic rang range e of data. data.

Catalogs •

Display Display and and modify modify detail detailss of well wellss via the Well Catalo Catalog. g.

•

Mana Manage ge sect section ionss via the the Sect Sectio ion n Catal Catalog. og.

•

Perfor Perform m batch batch administ administrat ration ion funct function ionss on large large numbers numbers of wells wells..

See Catalogs for further information.

Mapsheet •

Map Map and and mana manage ge we well lls. s.

•

Copy Copy or or incl include ude wells wells from from othe otherr proj project ects. s.

•

Display maps of well well locatio locations ns using using a variety variety of projections projections and basemaps. basemaps.

•

Displ Display ay well well devia deviati tion on plot plots. s.

•

Include Include CGMs CGMs as backg backgrou round nd map displ displays ays of conto contours urs,, boundar boundaries ies,, etc.

•

Graphically Graphically draw draw and display display lines lines of section, section, and select wells that that are displaye displayed d in cross cross section section using Geolog’s Section application.

See Mapsheet for further information.

Xplot •

Crosspl Crossplot ot logs logs or or log log expres expressio sions ns from from multi multiple ple wells. wells.

•

View View and and man manipu ipulat late e data data in in 3D for forma mat. t.


Proj Pr ojec ectt Ba Basi sics cs 11-2 2

•

Perform regression analysis.

•

Calculate new logs using contractor log interpretation charts, Ternary diagrams, etc.

See Xplot for further information.

Frequency •

Create and format histograms of a single log from multiple wells to display the data distribution and cumulative frequency curve.

See Frequency for further information.

Artist •

Graphically create or update CGM files.

See Artist for further information.

Loglan •

Create and edit Loglan modules for log processing and database access within the Project application.

See Loglan for further information.

General Tools •

The General menu lists a variety of tools for performing operations such as using mathematical expressions to evaluate new logs or automatically remove spikes in a l og. These operations, and many others in Geolog, start the Module Launcher to display a module for that operation. The modules, which are provided with Geolog, or created using Loglan, are used for displaying, creating, and editing data (for example, to show log values, edit output logs, etc.).

See General Tools for information on the individual tools found on the General menu, and “Using the Module Launcher” on page 2-31 for information on using the Module Launcher.

Petrophysics •

Perform petrophysical analyses on all or a specified number of wells. Environmental corrections, formation evaluation and defining pay- zone characteristics are examples of some of the functions available.

See Petrophysics for further information on all the available functionality.

Geology •

Perform geological analyses, such as facies and/or permeability prediction from wireline logs, facies propagation, dip analysis of array data, and image manipulation, on all or a specified number of wells.

See Facimage, Geomage and Fuzzy Logic for further information on functionality. •

Modules to import dips and tops data from the 3D geological model and modules to export data such as well paths and well tops in a .csv file format, and surface picks in an .xyz file format. These modules are detailed in "3D Model" on page 1-18.

See “3D Geological Model” on page 4-1 for further information about the creation and maintenance of the 3D geological module and “GS Wells” on page 4-1 for information on how it is utilized.


Project Basics 1-3

Starting Project See Geolog Launcher Bar for information on starting Geolog and the Project application. See also: •

Using Geolog —assistance with using and navigating the software, and general processing and formatting functions;

•

“Using the Module Launcher” on page 2-31 —using Geolog’s modules.

•

“Working in Tables” on page 2-39 —using Geolog’s table format.


Project Basics 1-4

Using Project Working projects are created and opened from the Geolog Launcher Bar—see “Project Management” on page 1-5 for further information. Once created, Geolog’s Project application is used to manage the project and perform multiwell processing.

Project Window Title Bar Menu Bar Toolbar

Display area

Display Bar Status Bar Datum Fig. 1: Geolog’s Project window Table 1-1, "Project Window Components" on page 1-6 provides a description of the various components of the Project window.


Project Basics 1-5

Table 1-1: Project Window Components Component

Description

Title Bar

The Title Bar of the window indicates that you are working in Project. It also displays the number of wells, number of sections and default set (see "Setting Defaults" on page 1-15) currently selected for processing, and view information (e.g. the currently active document view which may be a mapsheet, Artist file, Xplot file, etc.).

Menu Bar, Toolbar, Display Bar and Status Bar

See Using Geolog for information on using the various common window components in Geolog.

Display area

The area where "Document Views" on page 1-9 are displayed. This may be a single document view (e.g. a single mapsheet) or a tiled representation of all open document views (e.g. a mapsheet, text view and crossplot).

Datum

Refer to “Datum” on page 2-5 for more information.

Limit / Specify for Processing When the Project application is started; a blank Project window is opened with the Datum displayed, and all wells in the currently open project are avail able for display and selection in the Datum, Catalogs and/or on a mapsheet. When you select Wells to Process from the m enu you are selecting a set of wells from the project list of wells to be available in the Datum - Wells List which can then be selected for displaying and processing. During a Project working session, all, or only a selected set of, wells and/or sections in a project may be specified for processing. Selecting wells/sections to process can be done using the: •

menu - see "Menu Selection" on page 1-6;

•

“Datum” on page 2-5 - use the datum to limit the process wells displayed

•

Catalogs - see “Wells to Process” on page 1-18 and “Sections to Process” on page 2-6, or

•

Mapsheet - see “Graphical Selection” on page 1-7.

Menu Selection To specify wells / sections to process 1.

Select Project > Wells to Process... or click the icon, to display the “Multiple Select Dialog Box” on page 1-27 to select the wells to be available in the Datum - Wells List to be selected to process and/or display on a project view (e.g., mapsheet).


Project Basics 1-6

Wells to be processed

It is important to ensure that the required wel ls to process are listed in the SELECT ION section of the dialog box, as it is possible to select zero wells to process, which may not be the desired selection. 2.

Click OK.

3. If required, select Project > Sections to Process... or click the sections to process and/or display on a mapsheet.

icon, to specify the

The wells available to process are displayed in the Datum. If required, use the “Datum” on page 2-5 to select a subset of the wells.


Project Basics 1-7

To change the wells available in the Datum - Wells List 1.

Select Project > Wells to Process... or click the

icon.

2.

Use the “Multiple Select Dialog Box” on page 1-27 to add or remove from the SELECTION section the wells or sections to process.

To change the sections to process 1.

Select Project > Sections to Process... or click the

icon.

2.

Use the “Multiple Select Dialog Box” on page 1-27 to add or remove from the SELECTION section the sections to process.

NOTE Create "Well Lists" on page 1-12 and "Section Lists" on page 1-14 to quickly access commonly used wells and/or sections.


Project Basics 1-8

Document Views Use the Project > View menu options to open or create different document views in the Project application window, and save and/or close all currently open documents. See “Rulers” on page 3-15 for information on displaying rulers in document views.

Opening / Creating To create (New) or open (View) various document views within the Project window, select Project > View. Click on the appropriate link below for further information on that document type.

Project

> View

> Well Catalog > Section Catalog > New

> Mapsheet > Xplot > Frequency > Artist > Loglan

> Mapsheet... > Xplot... > Frequency... > Artist... > Loglan...

Closing / Saving All The Close All and Save All options on the Project > View menu are used to close and/or save all currently open document views.

To save and close all open documents •

Select Project > View > Close All. Geolog closes all unmodified documents and displays the “File Modified Dialog Box” on page 135 for each modified and unsaved document, providing the opportunity to either save or discard the changes, or cancel the operation.

To save all open documents •

Select Project > View > Save All. Geolog will then: — save all documents which have been previously sav ed and then modified. — open the “File Select Dialog Box” on page 1-28 for each new file, prompting you to enter a file name, directory, etc. to save the file.


Project Basics 1-9

Use Rulers See “Rulers” on page 3-15 in Using Geolog.


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1-10

Workspace See “Workspace” on page 1-37 in Using Geolog.


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1-11

Well Lists The Well List option is for saving selected wells as a group for quick retrieval for multiwell display and/or processing. You can create any number of well lists for any one project. Note that these well lists can then also be used in other Geolog applications to assist in quick retrieval (e.g. when searching for a well or wells to open in the Well application).

To create and save a well list 1.

Select Project > Well Lists... to display the Well List Maintenance dialog box.

2.

Select the required wells (see “Multiple Select Dialog Box” on page 1-27 for information on using this dialog box).

NOTE ALL is a Geolog reserved well list name and i s the default list which includes all wells in the currently open project, therefore, this name cannot be used for other lists. 3.

Click on the Save As... button to display the Well List Save As dialog box.

4.

Enter a name for the well list and click OK. The well list is saved to the project’s directory with the file extension .well_list.


wells

Project Basics

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To modify a well list 1.


2.

In the SELECTION section, locate and select the well list in the Well List field. (To clear the Selection section, select the "blank" at the top of the list).

NOTE If you select a SOURCE well list f irst, and then select a SELECTION well li st, wells are not displayed in the SELECTION section if they do not exist in the SOURCE well list. 3.

To remove wells, click on the well(s) and click on the Deselect

button.

4.

To add wells, locate and select the well(s) from the SOURCE section and click on the Select button.

5.

Click on the Save button to save the modified well list with the same name. Or Click on the Save As... button to create a new well list.

To delete a well list 1.


2.

In the SELECTION section, locate and select the well list in the Well List field.

3.

Click on the Delete... button.

4.

Click OK to confirm the deletion.

Alternatively, Well Lists (and "Section Lists" on page 1-14) can be graphically selected and created from a mapsheet (see “Graphical Selection” on page 1-7 for further details) or created using the Catalogs.


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Section Lists A Section List is used to save a group of selected sections to specify sections to process (see "Limit / Specify for Processing" on page 1-6), or to display only that group of sections and their respective wells on a Mapsheet.

NOTE ALL is a Geolog reserved section list name and is the default list which includes all sections in the currently open project, therefore, this name cannot be used for other lists.

To create or modify a Section List 1.

Select Project > Section Lists... to display the Section List Maintenance dialog box.

2.

Create, modify and delete Section Lists as described for "Well Lists" on page 1-12.


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Setting Defaults To reduce data entry, and improve performance, set and layout defaults can be specified. See “Setting Defaults” on page 2-3 in Using Geolog, and "Default Layout" on page 1-15 for further details.

NOTE Default settings specified are for the current working session only and need to be set each time Project is started. See Also Launching Applications in the Catalogs documentation.

Default Layout When a default layout is specified, that layout: •

is opened whenever the Well application is launched from the Project window;

•

is associated with new sections graphically created on a Mapsheet to display well data in the Section application.

To specify a default layout 1.

Select Project > Default Layout...

2.

Use the “File Select Dialog Box” on page 1-28 to locate and select the required layout.


Project Basics

1-15

Run Command Select Project > Run... to run a command, script or module within the Project window. See “Run Commands” on page 1-38 in Using Geolog for further details.


Project Basics

1-16

Exiting Project To exit Project 1.

Select Project > Exit.

2.

If changes have not been saved, the “File Modified Dialog Box” on page 1-35 be displayed for each unsaved document view—select the appropriate action as described in "Closing / Saving All" on page 1-9.


Project Basics

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3D Model This section details the modules that can be used to import 3D geological model dips and tops and to export well data.

Dips from 3D Use this module, gm_well_dips_from_gm, to extract well dips from the project’s 3D geological model and create a calculated dip Set (DIP_CALC) in the currently open wells.

To use the dips from the 3D geological model 1.

Select Geology > 3D Model > Dips from 3D to display the gm_well_dips_from_gm module.

2.

If required, change the Output Set.

3.

If required, change the default GM_NAME.

4.

Click Start to run the module.

Tops from 3D Use this module, gm_well_tops_from_gm, to extract well tops from the project’s 3D geological model and create a calculated tops Set (TOPS_CALC) in the currently open wells.

To use the tops from the 3D geological model 1.

Select Geology > 3D Model > Tops from 3D to display the gm_well_tops_from_gm module.


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2.

If required, change the Output Set.

3.

If required, change the default GM_NAME specified.

4.



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Export Well Paths Use this module, gm_well_path_export, to export the wellp ath data from the currently open wells to ./data/ well_path.csv.

To export the wellpaths 1.

Select Geology > 3D Model > Export Well paths to display the gm_well_path_export module.

2.

If required, change the export path/filename specified.

3.


Export Well Tops Use this module, gm_well_tops_export, to export the well tops from the currently open wells to ./data/ well_tops.csv.

To export the well tops 1.

Select Geology > 3D Model > Export Well Tops to display the gm_well_tops_export module.

2.

If required, change the export path/filename specified.

3.



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Export {top}.xyz Use this module, gm_surface_picks_export, to export either picked surface picks or all surface picks from the currently open wells to a file per pick ./data/top_name.xyz.

To export the selected surface picks 1.

Select Geology > 3D Model > Export {top}.xyz to display the gm_surface_picks_export module.

2.

Set the parameters for the module as explained in Table 1-2, "gm_surface_picks_export Module Components" on page 1-21.

3.


The gm_surface_picks_export Module

Table 1-2: gm_surface_picks_export Module Components Parameter Name

Default

Description

PICK_OPT

Picked

If required, change the picks to process to all picks.

INTERVAL_OPT

Picked

If required, change the picks to process to all picks.

TOPS

TOPS

If required, select the required Tops log.

DEPTH

DEPTH

If required, select the required Depth log.


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Index A access Project application 4

D data specifying to process in Project 6 default layout, use of in Project 15

F functionality available in Project 2

G Geolog working projects, managing 2

L Layout specifying default in Project 15 list section, definition/use of 14 well, definition/use of 12

M managing Geolog projects 2

N names reserved well list 12

P processing specify data for in Project 6 Project See also Mapsheet, Catalogs 2 available functionality in 2 specifying data to process 6 starting 4 projects (Geolog working) managing 2

R reserved names


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ALL 12 run Project 4

S sections lists, definition/use of 14 select subset of sections 14 subset of wells 12 start Project 4

W wells list, create 12 list, definition/use of 12


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Basic_Project_Geolog_6.7

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