Drilling Risk Management

We added:

• specifying the minimum interlayer length in clustering for a group of wells;
• using MD depths of the resulting set in the correlation editor (available by using the sample_md variable in the script);
• using MD, TVD depths of the resulting set in the well logging calculator (available by using the sample_md, sample_tvd variable in the script);
• project archiving with correlations and workflows (available on the Getting started tab via the selected project context menu, item Create project archive file - with additional elements).

Besides:

• a custom filter has been implemented in histograms and crossplots (a string of logical conditions for well logging, available for adding in the filter area);
• the correlation duplication dialog box has been upgraded in the correlation editor (it is now possible to select one of the actions - overwrite, save both options, skip - either for all duplicates at once, or for each duplicate individually);
• the text can now be searched for in the log (the search box opens by pressing Ctrl+F combination).

We added:

• a method of combining curves by zones in "Hydraulic fracturing pressure" section of WBS window;
• processing of no zone case during injection-induced fracture height calculation (previously the calculation did not start with no zones in the well);
• processing correlations with names containing invalid characters (slashes, etc.), as well as checking for such characters when renaming (Correlation editor);
• removing well logs from the list of reference curves (Analysis of well logging quality using histograms);
• “Collapse all” and “Expand all” items into the context menu of the properties area.

Besides:

• now only such types of UOM as Length and Fractions are available when importing sludge diagrams (previously there was no filtering by type in the UOM lists);
• a project can now be transferred to the project tree with an uppercase extension (previously this extension format was not supported);
• when importing curves gradually into the project, only the user-defined interval by depth/time is now used in the WITSML client (information about the interval of set determination from the server is not used).

We added:

• clustering module by mechanical and arbitrary properties for a group of wells (available via the main project menu, item Tools - Special - Clustering);
• import of well log interpretation results from *.xls format.

Besides:

• processing of no fracture growth case is added into the injection-induced fracture height calculation;
• the exponential map of under the cursor values for property cubes in the statistics line at the bottom of the window is added into 3D window (previously the values were always rounded to two decimal places);
• the activity of coloring rating columns during window reopening can now be saved and coloring is enabled by default (1D model optimization).

We added:

• a curve selection window when exporting to the well logging set file;
• export to mud logging data file by depth (*.las, *.xlsx) and by time (*.xlsx);
• the function of mask creation from the list of zone names into the well logging calculator (zone_mask operation);
• processing different names of output fields in custom correlations into “Calculation by zones and facies” method of WBS window (now it is not necessary to give the same names to all output fields).

Besides:

• there are more options of mask creation by the zone name in the correlation editor (it is now possible to transfer to a function multiple names separated by commas);
• icons of the corresponding elements and context menu items in the project tree have been added into the main software window for tabs.

We added:

• calculation by zones and facies in "Horizontal stresses" section of WBS window;
• display and interactive editing of the ECD curve on the log plot in "Well stability in dynamics" section of WBS window;
• captions for stress diagrams and stereograms of mud density in "Wellbore stability" section of WBS window;
• negative check when importing maps from RN-KIN;
• importing several maps simultaneously (it is now possible to select multiple files during import);
• setting the axes style for histograms and crossplots (available by LMB double-clicking on the axis);
• UID field for all objects in WITSML client preview.

Besides:

• the number of polygons in the set is now displayed in the project tree (previously the number of rows was displayed);
• dialogs for creating sets of mud logging, well logging and point data are made modeless (i.e., while working with the dialogs, the access to the main project window is available).

We added:

• accounting for the time zone during time data import to the server (WITSML client);
• checking to receive all elements of input curves to calculate user’s correlations (WBS window);
• a window for selection of wells to be calculated with the possibility of optional well shutting-in (Workflow manager);
• the possibility to export angular geometry data in RESCUE format to an individual folder.

Besides:

• "Injection induced fracture height" module moved from the well context menu to the "Well operation" tab of WBS window;
• Workflow manager window is improved (now there is no dependence on well logging names in methods, well names are specified in drop-down lists in the manager window and may differ);
• the methods in the workflow can now be optionally disabled (Workflow manager);
• the reports can now be generated using 1D geomechanical models;
• the user manual has been updated in the section of geological 3D objects.

We added:

• accounting for time zones in WITSML client (working with time data in the local time zone).

Besides:

• the search in the element tree on the server is not case sensitive now (WITSML client);
• the minimum number of data rows is reduced in one request (Settings, WITSML client section).

We added:

• multi-well import of trajectories/well logging into the project tree;
• the ability to expand/collapse the entire subtree of the project tree selected element;
• automatic recognition of curve types and UOM on the server (WITSML client).

Besides:

• the well trajectory is now not necessary to open well logging settings (time log plot);
• statistics in histograms are now displayed taking into account UOM.

We added:

• copy/paste connections (Settings, WITSML client section);
• the ability to re-import child elements of a node (WITSML client, element tree on the server);
• activity check mark on the icons of trajectories and sets of curves (WITSML client, element tree on the server);
• different icons for curve sets with different index types, one-dimensional curves and images (WITSML client, element tree on the server);
• the ability to change the sorting order via the tree header (WITSML client, element tree on the server);
• import of well data (trajectories, well logging, well logging interpretation results) and structural maps from RN-KIN database;
• "Rock density" field into the group of "Stress state" parameters (1D model).

Besides:

• the operation of a new curve creation taking into account the specified condition in the well logging calculator now accepts both individual numbers and well logging as input (if_else operation);
• the element tree on the server is improved (WITSML client);
• the list of tree elements is updated when adding/removing a set of curves (WITSML client, element tree on the server);
• "Calculation of hydraulic fracturing gradients" chapter has been added to the user manual.

We added:

• an embedded operation into the well logging calculator to create a new curve accounting for a specified condition (if_else operation);
• calculation by zones and facies in "Synthetic Density" and "Synthetic Acoustics" sections of WBS window.

Besides:

• error handling is improved when interacting with the server (WITSML client).

We added:

• calculation of ECD during RIH/POOH operation (available via the right-click menu of Well element);
• assessment of cuttings distribution along the wellbore during drilling (available via the right-click menu of Well element);
• "Frac ports arrangement" instrument (available from the menu Instruments – Special);
• importing the set of curves to WITSML server;
• fracture import from Petrel format file.

Besides:

• display of additional parameters is added when creating a trend (trend equation, coefficient of determination);
• an option of curve averaging is added: by facies or interlayers;
• stereogram visualization is added into "Fracture reactivation" method;
• multiple intersection is now taken into account when creating zones.

We added:

• generation of a daily report on geomechanical drilling support in .xlsx format;
• entry fields for the type and range of values into logging templates;
• export/import of track group templates on the log plot;
• support for local coordinate systems when importing the geological grid.

Besides:

• it is now possible to change colors of histogram blocks;
• "Data type" field is added into the property cube statistics window.

We added:

• a beta version of mud logging curves analysis by depth or time;
• the ability to stop one-time synchronization of values in WITSML-client;
• statistics visualization using curves on the log plot track;
• the ability to hide captions for zone markers using Application Settings;
• the ability to determine the orientation of zone captions using Application Settings;
• the ability to add a curve with undefined values into the well logging set;
• a converter to convert curves of "Pressure" type into curves of "Density" type and vice versa;
• calculation of equivalent circulating density into "Density integral" method in "Geostatic pressure" section of WBS window;
• "Poroelastic model with pore pressure change" method into "Horizontal stresses" section of WBS window;
• saving the log plot depth range within each method in WBS window;
• the ability to display fault properties in a tabular form;
• a button into the log plot toolbar and an item into the track menu to enter display boundaries by depth/time.

Besides:

• working with projects located on a network drive is stabilized;
• interactive setting of stitching points depths is added into the window for stitching well logging curves;
• "Collapse all" button is added for the project tree;
• support for integer interpolation of property cube values is implemented.

We added:

• new features for exporting a log plot image to .pdf with the ability to split into several pages;
• entering the size in pixels using sheet format selection when exporting a log plot image;
• the ability to add, edit and delete comments on the log plot;
• eccentricity and ovality calculation into multifinger caliper analysis;
• tool type "Arbitrary" for processing caliper data with an arbitrary number of fingers into multifinger caliper analysis;
• imaging during selection of tool type "Arbitrary" into multifinger caliper analysis;
• the ability to get properties of wells and boreholes into WITSML-client preview area;
• displaying tables with values for trajectories and curves into WITSML-client preview area;
• setting the maximum number of data rows imported as part of the curve preview in WITSML-client;
• method of combining curves by zones in "Geostatic pressure" section of WBS window;
• well logging operation "Integrating".

Besides:

• settings of zone display styles on the log plot are expanded, they can be now saved to the project file;
• property tables for trajectories, curves and curve sets are expanded in WITSML-client preview area;
• object update modes in WITSML-client are improved.

We added:

• restoring windows opened from project tree elements;
• importing trajectories from files of arbitrary format;
• exporting a log plot image of a given size in a given data display range;
• selecting a curve in the project tree while selecting this curve on the log plot;
• displaying the well construction in depth on the log plot;
• creating an exponential type trend for "Create a trend" well logging operation;
• "Extrapolation" well logging operation;
• group selection/removal of filters, selection/removal of similar filters in different wells when working with a histogram and a crossplot;
• clustering with an arbitrary set of curves.

Besides:

• "Angle" type curves are available for selection in "Combine curves" method of WBS window "Strength properties" section;
• operating with a workflow file copy is implemented;
• an option to copy/paste workflows is added into the workflow manager;
• saving point data and track of zones is implemented in the track group template;
• during well logging, interpolation is performed only for intermediate values of the initial curve, not at its ends;
• an asynchronous operation mode of WITSML-client is implemented;
• new features are implemented: automatic setting of a new project element type (a new mud logging curve (depth/time)) and curve UOM description while dragging the curve into WITSML-client mapping table;
• the user manual is updated.

We added:

• creating the curve of destruction criterion by zones and taking this curve into account during WBS calculation
• calculating and displaying the curve of maximum wellbore wall shear stress during WBS calculation with "Synthetic Image" additional option
• accounting for the zone cube, constant or trend cube when interpolating cubes
• depth derivative/lateral cube calculation into the cube calculator

Besides:

• error messages now appear in a popup while calculating scripts
• the first update cycle for project items starts immediately during auto synchronizing initiation in WITSML client

We added:

• selecting zones/lithotypes when calculating wellbore stability with additional options
• importing, storing and displaying fractures, faults and points in space
• supporting import of data on surfaces, polygones and points in CPS-3, Z-MAP, XYZ formats
• data export in RESCUE format
• a variogram analysis tool
• calculating property cubes using Python scripts
• the ability to set and change the dataset display name
• the ability to use the context menu to change WITSML protocol connection
• visualization of maximum trajectory TVD
• optional output parameter calculation for the Traugott method ("Synthetic density" section) and for the method of calculating dynamic elastic moduli from interval velocities ("Dynamic properties" section) into the wellbore stability element
• accounting for the domain when inserting zones

Besides:

• creating the cubes using well logging data can now be performed simultaneously for various datasets, if the algorithms coincide completely
• saving curves in the well logging calculator is fixed
• the report on multivariate modeling is modified
• now the sludge diagram data is displayed on one log plot track by default
• sludge diagram visualization is fixed and accelerated
• the trajectory determination area boundaries are now taken into account when entering and inserting zones

We added:

• acounting for UOM when setting the well logging palette in 3D window
• step-by-step curve import with the ability to set the maximum number of data lines requested at a time (WITSML-client)
• time recording ang additional recording into mud logging interval (WITSML-client)
• defining the mud window taking into account breakout width into WBS window
• recoding into the lithology column
• multivariate calculations using selected parameters into the Geomechanical model
• an option to enter the scale into Visualization window (mud logging data vs time)

Besides:

• now there is no need to recalculate safe mud window when Synthetic image and Synthetic caliper options are enabled in "Well stability" section of WBS window
• the curves from a removed set are automatically combined into one project set in WITSML-client
• "Combining curves" method has been returned to the available methods lists in "Static elastic properties" and "Strength properties" sections of WBS window
• in the Eaton and Bowers methods the lithocolumn is plotted according to the averaged curve during gamma ray logging averaging (previously, averaging had no effect on lithology) in "Pore pressure" section of WBS window
• the values entered in the table are automatically saved without pressing Enter in Zone editing window

We added:

• an option of creating a 1D WBS model, which is a set of well logs containing information on mechanical, strength and other properties, including well stress state
• importing only top zones or using marker data
• custom point dataset creating tool
• «Operations» module for point data
• calculation of a derivative into well logging operations
• description into the well logging window
• cement ring destruction diagram into «Cement ring stability modeling» method
• a movable depth mark line into «Cement ring stability modeling» and «Sand production modeling» methods
• a tree for managing styles and visibility of objects into the 3D window
• modeling clusters by lithology, with or without modeling by zones into «Clustering» module

Besides:

• now calculations are performed in MD (in previous versions they were performed in TVD, which did not allow taking into account horizontal sections of the well)
• «Fracture reactivation» and «Fracture reactivation potential» methods are now combined
• Borehole geometry tool (two-finger caliper) data analysis is now available
• «Fracture reactivation» method is supplemented by depth selection and the Mohr diagram visualization

We added:

• a new mud log data vs time window, which allows forming individual polygonal chain and scale graphs and saving the resulting graph structure in templates
• the ability to visualize zones in the form of a colored interval on an individual track within the log plot with the center caption

Besides:

• the log plot filling option is modified, now it can be set with one color and on both sides of the curve simultaneously
• the user manual is fully updated

We added:

• a hole size and material grain dependence of strength into sand production simulation
• saving the simulation result of one direction fracture propagation (injection induced fracture module)
• managing the case of defined bottomhole pressure exceeding the pressure of crossing data availability interval (injection induced fracture module)
• visualization of the reactivation density upper and lower limits in the «Wellbore stability analysis» method when «Weak plane» option is enabled

Besides:

• the trend curve is now calculated for the entire well trajectory in the well log window (in the previous versions the trend curve was plotted only for the initial well log curve depths)
• the calculation algorithm in «Porothermoelastic dynamic wellbore stability analysis» method was improved

We added:

• wellbore shape 3D visualization into multifinger caliper analysis
• an option of using caliper fingers positioning into multifinger caliper analysis and visualization
• an operation of well log curve shifting along MD

We implemented:

• dynamic modeling module with the option to select a function to describe time dependence of input parameters
• «Porothermoelastic dynamic wellbore stability analysis» method
• «Viscoelastic dynamic wellbore stability analysis» method (Burger's model)
• Options in the «Wellbore stability analysis» method to account for mud cake influence and plastic material properties
• «Sand production modeling» method (Hettema's and Wilson's models)
• «Cement ring stability modeling» method

We added:

• operations for averaging, shifting, stretching and clearing well log values
• 3D window in the Tools menu and also the ability to save the state of this window into a separate project element
• UOM converter
  

We implemented:

• visualization of accumulated histograms and a cumulative curve and quantiles in the histogram window
• Traugott's method for calculating synthetic density
• modification of the dynamic addition to the mud density calculation

We added:

• coloring by filters in the cross-plot window and in the histogram window;
• displaying statistics on clusters in the clustering window;
• Miller's method and Amoco empirical relation for calculating synthetic density;
• linear transformation and stretching / compressing in well log curve operations.

We implemented:

• tectonic regime determination module;
• the ability to set overlapping sections in the construction window;
• sorting by depth when importing well log curves.

We added:

• the ability to define sections of the wellbore open part in the well construction window
• visualization and editing trajectory parameters: rotary table height, ground level height, wellhead height, local sea level height
• accounting for normal compaction trends during properties transfer
• saving plotted polygons in the cross-plot window

We implemented:

• optional display of the determination coefficient R ^ 2 in the curve formula on the graph as well as font selection for the caption with the formula in the cross-plot window
• model of associated porothermoelasticity in critical densities calculation

We added:

• calculation of injection induced fracture height in an injection well;
• calculation of pore pressure in the sandbody in clays (accounting for centroid effect);
• creation of dependencies in the cross-plot tool using multiple wells data;
• possibility to import the trajectory, using three curves: depth, zenith, azimuth (WITSML-client);
• information display table into the preview window (WITSML-client).

We implemented:

• algorithm for estimation of maximum and minimum horizontal stress components using borehole imager data;
• algorithm for estimation of maximum horizontal stress and its direction using borehole imager data on breakout direction and width;
• data synchronization when well logs changing (when simulating in the wellbore stability window, modeling workflow, when upgrading with WITSML-client).

We added:

• an option of calculating and modeling critical density, stereograms, stress diagrams, synthetic images and the caliper taking into account elastic properties anisotropy;
• static elastic properties calculation using the effective model of a layered medium;
• an option of disconnecting from WITSML-server.

We implemented:

• importing data by drag-and-drop on the element of the project tree;
• viewing and editing parametres of methods in the workflow manager;
• data curve operations window, including trend creating, interpolation, value averaging by wavelets, value averaging by facies.

We added:

• loading and visualisation of cubes, maps and polygons;
• clustering module, including clustering by machine learning methods;
• exponent calculating methods for abnormal pressure zones prediction with Eaton's method.

We implemented:

• cube building from WL set and properties profiles building from the cube;
• operation of cube properties interpolation;
• well shape visualisation using multifinger calipers data.

We implemented:

• calculation of model properties by facies with / without zones;
• methods for assessing the physical and mechanical properties of rocks according to well log and mud logs.

We added:

• taking into account bedding planes while calculating critical densities;
• fracture reactivation simulation.

We added:

• an output of friction angle for each given Mohr circle to the strength certificate;
• the ability to display the depth axis on the log plot with the time axis;
• the ability to set input parameters from the keyboard at the selected depth in the stereogram window;
• taking into account osmotic stresses in the calculation of critical densities.

New improvements:

• all functions from pandas, scipy and numpy libraries can now be used under 'pd', 'sp', and 'np' aliases in well log calculator and correlation editor;
• type and measurement units now can be corrected for loaded well log curve;
• logical operations description is added to the correlation editor.

We added:

• wellbore stability calculation into the near-wellbore zone model (Concentric grid);
• specifying UOM types for the resulting cubes (Cube calculator);
• specifying UOM types and UOM when importing angular geometry cubes (there is a set of default type definition rules with the possibility to customize the rules).

Besides:

• the calculation on geometries with layer pinch-out is now supported (3D model);
• the text can now be searched for in the log (the search box opens by pressing Ctrl+F combination).

We added:

• geometry statistics into the 3D model properties area;
• optionally taking into account refinement in calculations (“Calculation” tab of the 3D model)
• “Collapse all” and “Expand all” items into the context menu of the properties area.

Besides:

• the core is updated to calculate rock stress-strain state (the maximum permissible dimensions of models are increased, memory consumption is optimized);
• fields related to 4D calculation are hidden if 3D calculation is selected in the "Calculation" tab of the 3D model;
• import and export are implemented in the functional dependency database (available via the Database main menu - FD database);
• a project can now be transferred to the project tree with an uppercase extension (previously this extension format was not supported);
• statistics of consumed RAM for typical 3D models is added into the user manual.

We added:

• the ability to save grid quality cubes and 1D MEM tensor components to the tree, even if the main calculation failed (“Calculation” tab of the 3D model);
• accounting for ACTNUM keyword during the hydrodynamic model processing;
• check for the 3D model on which the case was based (Building 1D models using a case).

Besides:

• it is now possible to find a cube of horizontal stress direction for tensor in the cube calculator (the operation name is HOR_DIR in the Tensors drop-down list);
• the exponential map of under the cursor values for property cubes in the statistics line at the bottom of the window is added into 3D window (previously the values were always rounded to two decimal places).

We added:

• setting calculation accuracy and the number of iterations in the near-wellbore zone model (available via the well context menu, item Operations - Near-wellbore zone model);
• saving the element position and size in 3D model tabs.

Besides:

• the ribbon of steps in 3D model can now be shifted (via LMB);
• icons of the corresponding elements and context menu items in the project tree have been added into the main software window for tabs.

We added:

• negative check when importing maps from RN-KIN;
• importing several maps simultaneously (it is now possible to select multiple files during import);
• setting the axes style for histograms and crossplots (available by LMB double-clicking on the axis).

Besides:

• the calculation folder is now removed during case removal in the 3D model (closing the program is now checked: calculation folders that are not linked to any case are removed);
• the discrete palette for integer property cubes is fixed (now by default the palette contains only the values that are in the cube);
• the project tree now displays the number of polygons in the set (the number of lines was displayed previously);
• numbering of faults in the set is fixed (now integer numbering from 1);
• the seismic data import window is updated.

We added:

• accounting for inactive cells in the 3D model when calculating the stress-strain state with HDM;
• calculation of the main values and invariants of the resulting tensors in “Calculation” tab of the 3D model (optional, enabled in case calculation options);
• a warning before restarting the 3D model calculation that previous results will be removed;
• specifying inclination and azimuth as cubes in “Wellbore stability analysis” tab of the 3D model (optional, specified in calculation parameters);
• exporting angular geometry data in RESCUE format to a separate folder (optional, configured in the export dialog);
• numerical calculation of stress-strain state and optional comparison with analytical calculation in the near-wellbore zone model (available via the well context menu, Operations - Near-wellbore zone model);
• reactivation of faults and fractures in the near-wellbore zone model (available via the well context menu, Operations - Near-wellbore zone model).

Besides:

• a toolbar with actions is now available on the tabs of the 3D model 3D window (saving the picture to a file/clipboard, resetting the camera);
• the main 3D model tabs are renamed (“Filling in properties” -> “Stress-strain properties”, “Fracture modeling” -> “Faults/fractures”, “Pressure, Temperature, Saturation” -> “Pressure, Saturation, Temperature”);
• the interface and core for calculating plasticity are updated in the 3D model (plasticity calculation parameters are separated into an individual group in the table of case calculation parameters);
• calculation options in the 3D model are separated into an individual group (“Calculation” tab);
• calculated 3D/4D cubes are now saved using the floppy disk icon in the upper right corner of the 3D model “Calculation” tab (cubes for 3D calculations and cubes for the last step of 4D calculations were previously saved in the tree automatically);
• 4D calculation can now be stopped by clicking a stop button in the upper right corner of the 3D model “Calculation” tab;
• window update when removing the selected well from the project is fixed in “Wellbore stability analysis” tab of the 3D model;
• the view of a clicked region block button is fixed for “Default” theme in “Stress-strain properties” tab of the 3D model (a clicked button was previously no different from a non-clicked one);
• transferring cubes from one angular geometry to another is fixed;
• obtaining the new element name when saving the cut grid is fixed (angular geometries with the same names were previously created in the project root);
• removing variables from the list is fixed in the Angular geometry cube calculator;
• a default folder name in the project tree when importing a model from a file is fixed (Hydrodynamic model);
• displaying sets of points in the 3D window is fixed (the size of the elements is increased);
• reports on geomechanical 1D models can now be generated (available via the main project menu, Reports - On geomechanical models).