Petrel 2013 Reservoir Engineering Module 6: Well Engineering
Lesson 1: Importing Well Data
Flow from the reservoir to the surface
Flow fro rom m the rese serrvoir to the su surrfac acee is mo mode dele ledd in mu multltip iple le st stag ages es:: Grid bloc ockk to grid bl bloock Grid Gr id bl bloc ockk to we well ll co conn nnec ecti tion on Well connection to reference depth Refe Re fere renc ncee de dept pthh to su surf rfac acee •
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Reference depth to surface
Well connection to reference depth
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Grid block to well connection
Grid block to grid block
Well data import workflow 1. Import well head. 2. Import well path (deviation). 3. Import branching wells. 4. Import observed data. data.
Import Well Data: Well Header Use the Well heads format to impo im port rt th thee we wellll he head ader er lo loca catition on..
The table shows how Petrel imports each column.
Import Impo rt fililee he head ader er information
Import Well Paths
1. Use the Well path/deviation (ASCII) format to import the well trajectory. 2. Matc Matchh the the fifile lena name me to an existing well name.
Import Branching Wells Use the Multiple well paths/ deviations form fo rmat at to im impo port rt we wellllss wi with th br bran anch ches es..
Specify the column of the data.
Specify the well name prefix.
Specify the number of columns and data type.
Well Spreadsheet
Make a Vertical Well
1. Click Click on a 3D grid grid or a map map to to get the X and Y coordinates of the selected position in the status bar. 2. Righ Rightt-cl clic ickk on th thee Wells folder and select New well from the drop-down menu. 3. In the Create new well dialog, enter a well name, select a well symbol, and enter the well head X and Y location.
Digitize Well Path Usee th Us thee Di Digi gittiz izee we wellll to tool ol pa pale lett ttee to: digitize on a General Intersection. Display all data of interest: - Pr Prope opert rtyy Hori rizon zonss - Ho - Fa Faul ults ts - Se Seis ismi mic. c. digitize on a filtered 3D grid property.
Well Type 1.Simple
1 2
3. Side track
3
2.Standalone
Automatic Well Well Placement: Best Fit Method Method
Automatic Well Well Placement: Create Multilaterals Multilaterals
Well Manager
Wel elll ma mana nage ger r is a tool for viewing well data with the ass ssoc ociiated at atttrib ibut utees. On Onlly th e e n a b l e d d a t a fi e l d s o f th e Well manager sprea spr eads dshee heett are edi edita table ble..
Vertical Well Intersection 1. Right-click the well and select Create vertical well intersection. intersection.
2. Click Toggle visualization v isualization on plane
1 3. Use the blue radio button to display on the plane.
Synthetic Logs 1.
Open the Make logs tab in the settings for the new well and select a property property..
2.
Click the Make logs button.
1
1 3.
Open the Style settings for the property from the Global well log and select the Draw log as 3D pipe option.
2
3
Exercise Dataset > Projects > Module-7 Well Engineering > Well Engineering_exercise.pet Pg.. 344 Pg 344 - 35 3544
Lesson 2: Well Completions Design
Well Completion Design
Completion Items in the Input Pane
Display the completions items stored in the Input pane in the Wells folder by togg to ggliling ng ON th thee ch chec eckk bo boxe xes. s. Modi Mo dify fy co comp mple letition on ititem emss wi with th th thes esee to tool ols: s: Welll sec sectio tion n wi windo ndow w (M (Manu anual al de desig sign) n) Wel Completion etionss manag manager er Compl Comp Completi letion on item itemss Settings Automa omated ted des design ign tool Aut Glo Global bal pro proper pertie tiess tool
Well Section Window (1) 1. Crea Create te and disp display lay Well Well completions in Well sections. 1
2 Display a simulated property (such as oil saturation) through time for a selected well.
NOTE: Mouse over the displayed grid property in a well section to show the valu va luee of th thee pr prop oper erty ty..
2
Well Section Window (2) Well section window allows you to display multiple multip le wells.
3D Grid properties can also be displayed as a background object including 3D grid simulation results whe henn wellllss ar we aree SST SSTVD VD..
Toggle synchronized scrolling and scaling.
Insert a Completion Item 1. Act ctiive the Well completion design process. 2. Click Add/edit a perforation function bar.
from the
2
3. Click Click in the Comp Complet letion ionss track track panel panel to to insert insert a new perforation.
3
4. Ent Enter er a dat datee for for the the perf perfora oratio tion. n.
4
Grid block to well connection No casing
Casing at exact depth bottom model. Open
Casing longer than the bottom model.
Casing shorter than the bottom model.
Casing shorter than the bottom model but plugged.
No connection
No connection Extra connection No connection In Petrel, Grid block to well connections are defined by the completions, depending on the completion type and location the grid cell will be open or close to flow.
Enlarge/squeeze a display item in the Well section window Stretch/squee Stretch/s queeze ze the perforation
Must be in Select or Pick mode
Move the perforation up/down
Completions Manager
Drag any column header into the dark gray area to group well data based on thee co th cont nten entt of th that at co colu lumn mn.. Use the dr drop op-d -dow ownn lilist stss to fifiltlter er..
Completions Manager: Equipment Tab Use this tab to define new equipment. The equipment defined here can be used by one or mo more re co comp mple letition on ititem ems. s.
Well Completion Design: Operations (1) Create and modify completion items on the Operations tab.
Well Completion Design: Operations (2) Select an operation, then fill in the necessary settings.
Import Event Data (1) Well completions and associated data are imported using the Well even ev entt da data ta (A (ASC SCII II)) (* (*.e .ev) v) format. Match the well name on file to a well in the project.
Import Event Data (2) A Completions folder is added to thee we th wellll fo fold lder ers. s.
Match the date format to the form fo rmat at in th thee im impo port rt fifile le..
Event Data: File Format
Date
Event
Top depth (MD)
Bottom depth (MD)
Parameters (diameter, skin ...)
Completion Items: Time Player Perforation 1
Squeeze 1
Plug Pl ugba back ck 1 Use the Time player buttons to see the completions change thro th roug ugh h ti time me..
Stimulation 1
Exercise Continue using the project from the previous exercise. Pg.. 371 Pg 371 - 38 3833
