X

Track changes made to this page

If you find this page useful and would like to be notified of changes made to this page, start by inputting your email below.



Privacy policy
Close this window

powered by ChangeDetection

Difference between revisions of "0494011909000"

m
m
 
(One intermediate revision by the same user not shown)
Line 3: Line 3:
 
{| class="wikitable welldetails" width="95%"
 
{| class="wikitable welldetails" width="95%"
 
| Well ID: 0494011909000
 
| Well ID: 0494011909000
| style="height=100%; align=center" rowspan="14" | {{#display_map: 53.242262, -110.129556 | width=100% | height=100% }}
+
| style="height=100%; align=center" rowspan="21" | {{#display_map: 53.242262, -110.129556 | width=100% | height=100% }}
 
|-
 
|-
 
| Location: 00/09-19-049-01W4/0
 
| Location: 00/09-19-049-01W4/0
Line 10: Line 10:
 
|-
 
|-
 
| Location Alias 2: 00/09-19-049-01 W4/00
 
| Location Alias 2: 00/09-19-049-01 W4/00
 +
|-
 +
| Country: Canada
 
|-
 
|-
 
| Province: Alberta
 
| Province: Alberta
 +
|-
 +
| Township: 049
 +
|-
 +
| Meridian: 4
 +
|-
 +
| Range: 01
 +
|-
 +
| Section: 19
 
|-
 
|-
 
| County/Municipality: [[County of Vermilion River,_Alberta|County of Vermilion River]]
 
| County/Municipality: [[County of Vermilion River,_Alberta|County of Vermilion River]]
Line 29: Line 39:
 
| Final Drill Date: 1980-09-15
 
| Final Drill Date: 1980-09-15
 
|-
 
|-
| Well Total Depth: 717 m
+
| Well Total Depth: 717.00 m
 
|-
 
|-
 
| Surface Hole Latitude: 53.242262
 
| Surface Hole Latitude: 53.242262
Line 38: Line 48:
 
  | title = General Well Data File - Licensing Data
 
  | title = General Well Data File - Licensing Data
 
|publisher = [[Alberta Energy Regulator]]
 
|publisher = [[Alberta Energy Regulator]]
| date = 2018-05-09
+
| date = 2020-04-22
 
  | url = http://wellwiki.org/wiki/Alberta_Oil_and_Gas_Data_Sources
 
  | url = http://wellwiki.org/wiki/Alberta_Oil_and_Gas_Data_Sources
  | accessdate = 2018-05-14 }}</ref><ref>{{cite web
+
  | accessdate = 2020-05-07 }}</ref><ref>{{cite web
 
  | title = General Well Data File - Drilling Data
 
  | title = General Well Data File - Drilling Data
 
|publisher = [[Alberta Energy Regulator]]
 
|publisher = [[Alberta Energy Regulator]]
| date = 2018-05-09
+
| date = 2020-04-22
 +
| url = http://wellwiki.org/wiki/Alberta_Oil_and_Gas_Data_Sources
 +
| accessdate = 2020-05-07 }}</ref>
 +
== Well History ==
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" | Date
 +
!scope="col" | Event
 +
|-
 +
| 1909-09-09
 +
| Well Log Performed
 +
|-
 +
| 1980-09-05
 +
| Obtained License
 +
|-
 +
| 1980-09-15
 +
| Finished Drilling
 +
|-
 +
| 1980-09-15
 +
| Well Mode changed to Drilled and Cased
 +
|-
 +
| 1980-09-19
 +
| Production Casing Operation Performed
 +
|-
 +
| 1980-10-23
 +
| Perforation Treatment Performed - Jet Perforation
 +
|-
 +
| 1980-10-24
 +
| Well Began Production
 +
|-
 +
| 1980-10-24
 +
| Well Fluid changed to Crude Oil
 +
|-
 +
| 1980-10-24
 +
| Well Mode changed to Pumping
 +
|-
 +
| 1984-09-09
 +
| Well Fluid changed to Crude Oil
 +
|-
 +
| 1984-09-09
 +
| Well Mode changed to Suspended
 +
|-
 +
| 1984-10-03
 +
| Well Fluid changed to Crude Oil
 +
|-
 +
| 1984-10-03
 +
| Well Mode changed to Pumping
 +
|-
 +
| 1986-03-01
 +
| Well Fluid changed to Crude Oil
 +
|-
 +
| 1986-03-01
 +
| Well Mode changed to Suspended
 +
|-
 +
| 1995-05-29
 +
| Well Fluid changed to Crude Oil
 +
|-
 +
| 1995-05-29
 +
| Well Mode changed to Pumping
 +
|-
 +
|}
 +
For data sources see<ref>{{cite web
 +
| title = General Well Data File
 +
|publisher = [[Alberta Energy Regulator]]
 +
| date = 2020-04-22
 
  | url = http://wellwiki.org/wiki/Alberta_Oil_and_Gas_Data_Sources
 
  | url = http://wellwiki.org/wiki/Alberta_Oil_and_Gas_Data_Sources
  | accessdate = 2018-05-14 }}</ref>
+
  | accessdate = 2020-04-29 }}</ref>
 
<!--== Spud Table ==
 
<!--== Spud Table ==
 
{| class="wikitable sortable" width="95%"
 
{| class="wikitable sortable" width="95%"
Line 74: Line 147:
 
| 1980-10-23
 
| 1980-10-23
 
| Perforation
 
| Perforation
| style="text-align: right;" | 588.5
+
| style="text-align: right;" | 588.50
| style="text-align: right;" | 590
+
| style="text-align: right;" | 590.00
 
| style="text-align: right;" | 13
 
| style="text-align: right;" | 13
 
|-
 
|-
Line 82: Line 155:
 
  | title = General Well Data File - Tour-Perforation/Treatment Data
 
  | title = General Well Data File - Tour-Perforation/Treatment Data
 
|publisher = [[Alberta Energy Regulator]]
 
|publisher = [[Alberta Energy Regulator]]
| date = 2018-05-09
+
| date = 2020-04-22
 
  | url = http://wellwiki.org/wiki/Alberta_Oil_and_Gas_Data_Sources
 
  | url = http://wellwiki.org/wiki/Alberta_Oil_and_Gas_Data_Sources
  | accessdate = 2018-05-14 }}</ref>
+
  | accessdate = 2020-05-07 }}</ref>
 
<!--== Fracking Activities ==
 
<!--== Fracking Activities ==
 +
==== Fracking Jobs ====
 
{| class="wikitable sortable" width="95%"
 
{| class="wikitable sortable" width="95%"
!scope="col" | Start Date
+
!scope="col" | Job Number
!scope="col" | End Date
+
!scope="col" | Job Start Date
!scope="col" | Chemical Name
+
!scope="col" | Job End Date
!scope="col" style="text-align: right;" | CAS Number
+
!scope="col" | True Vertical Depth (ft)
 +
!scope="col" | Total Water Volume (gal)
 +
!scope="col" | Total Non-Water Volume (gal)
 +
|-
 +
|}-->
 +
<!--==== Fluid Composition Data ====
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" | Job Number
 +
!scope="col" | Trade Name
 +
!scope="col" | Supplier
 
!scope="col" | Purpose
 
!scope="col" | Purpose
!scope="col" style="text-align: right;" | Job Percentage
+
!scope="col" | Ingredient Name
!scope="col" | Supplier
+
!scope="col" | CAS Number
 +
!scope="col" | Additive Percentage by Mass
 +
!scope="col" | Job Percentage by Mass
 +
!scope="col" | Mass Used (lb)
 +
|-
 
|}-->
 
|}-->
  
Line 115: Line 202:
 
| 1980
 
| 1980
 
| style="text-align: right;" | 1031
 
| style="text-align: right;" | 1031
| style="text-align: right;" | 2.7
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 5.6
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 1981
 
| 1981
 
| style="text-align: right;" | 8225
 
| style="text-align: right;" | 8225
| style="text-align: right;" | 12.1
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 26.2
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 1982
 
| 1982
 
| style="text-align: right;" | 7198
 
| style="text-align: right;" | 7198
| style="text-align: right;" | 5.8
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 15.6
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 1983
 
| 1983
 
| style="text-align: right;" | 486
 
| style="text-align: right;" | 486
| style="text-align: right;" | 0.4
+
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
Line 139: Line 226:
 
| 1984
 
| 1984
 
| style="text-align: right;" | 2107
 
| style="text-align: right;" | 2107
| style="text-align: right;" | 1.0
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 83.8
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 1985
 
| 1985
Line 147: Line 234:
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 25.7
+
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 1988
 
| 1988
Line 153: Line 240:
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 11.1
+
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 1989
 
| 1989
Line 159: Line 246:
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 26.9
+
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 1995
 
| 1995
 
| style="text-align: right;" | 5000
 
| style="text-align: right;" | 5000
| style="text-align: right;" | 14.9
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 125.4
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 1996
 
| 1996
 
| style="text-align: right;" | 7151
 
| style="text-align: right;" | 7151
| style="text-align: right;" | 8.4
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 124.4
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 1997
 
| 1997
Line 177: Line 264:
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 221.0
+
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 1998
 
| 1998
Line 183: Line 270:
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 282.0
+
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 1999
 
| 1999
Line 189: Line 276:
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 365.9
+
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2000
 
| 2000
Line 195: Line 282:
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 450.4
+
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2001
 
| 2001
 
| style="text-align: right;" | 8232
 
| style="text-align: right;" | 8232
| style="text-align: right;" | 1.1
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 591.6
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2002
 
| 2002
 
| style="text-align: right;" | 8519
 
| style="text-align: right;" | 8519
| style="text-align: right;" | 2.3
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 558.8
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2003
 
| 2003
 
| style="text-align: right;" | 8240
 
| style="text-align: right;" | 8240
| style="text-align: right;" | 122.2
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 360.2
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2004
 
| 2004
 
| style="text-align: right;" | 8676
 
| style="text-align: right;" | 8676
| style="text-align: right;" | 118.3
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 780.0
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2005
 
| 2005
 
| style="text-align: right;" | 8759
 
| style="text-align: right;" | 8759
| style="text-align: right;" | 30.9
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 888.1
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2006
 
| 2006
 
| style="text-align: right;" | 8475
 
| style="text-align: right;" | 8475
| style="text-align: right;" | 12.6
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 712.0
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2007
 
| 2007
 
| style="text-align: right;" | 7985
 
| style="text-align: right;" | 7985
| style="text-align: right;" | 11.9
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 866.4
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2008
 
| 2008
 
| style="text-align: right;" | 8686
 
| style="text-align: right;" | 8686
| style="text-align: right;" | 13.0
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 671.8
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2009
 
| 2009
 
| style="text-align: right;" | 8731
 
| style="text-align: right;" | 8731
| style="text-align: right;" | 10.7
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 903.1
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2010
 
| 2010
 
| style="text-align: right;" | 8481
 
| style="text-align: right;" | 8481
| style="text-align: right;" | 20.8
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 857.2
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2011
 
| 2011
 
| style="text-align: right;" | 6527
 
| style="text-align: right;" | 6527
| style="text-align: right;" | 67.4
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 896.3
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2012
 
| 2012
 
| style="text-align: right;" | 8348
 
| style="text-align: right;" | 8348
| style="text-align: right;" | 86.0
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 1128.9
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2013
 
| 2013
 
| style="text-align: right;" | 8543
 
| style="text-align: right;" | 8543
| style="text-align: right;" | 85.3
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 1141.5
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2014
 
| 2014
 
| style="text-align: right;" | 8759
 
| style="text-align: right;" | 8759
| style="text-align: right;" | 75.4
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 1145.9
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2015
 
| 2015
 
| style="text-align: right;" | 8759
 
| style="text-align: right;" | 8759
| style="text-align: right;" | 75.4
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 512.5
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2016
 
| 2016
 
| style="text-align: right;" | 8639
 
| style="text-align: right;" | 8639
| style="text-align: right;" | 129.7
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 660.5
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2017
 
| 2017
 
| style="text-align: right;" | 8687
 
| style="text-align: right;" | 8687
| style="text-align: right;" | 200.8
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 655.3
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
| 2018
 
| 2018
 
| style="text-align: right;" | 3407
 
| style="text-align: right;" | 3407
| style="text-align: right;" | 79.9
 
 
| style="text-align: right;" | 0.0
 
| style="text-align: right;" | 0.0
| style="text-align: right;" | 297.1
+
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 +
|-
 +
| 2019
 +
| style="text-align: right;" | 3480
 +
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 +
|-
 +
| 2020
 +
| style="text-align: right;" | 336
 +
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 +
| style="text-align: right;" | 0.0
 
|-
 
|-
 
|}
 
|}
Line 309: Line 408:
 
  | title = Well Production Data - All Alberta
 
  | title = Well Production Data - All Alberta
 
|publisher = [[Alberta Energy Regulator]]
 
|publisher = [[Alberta Energy Regulator]]
| date = 2018-04-24
+
| date = 2020-04-25
 
  | url = http://wellwiki.org/wiki/Alberta_Oil_and_Gas_Data_Sources
 
  | url = http://wellwiki.org/wiki/Alberta_Oil_and_Gas_Data_Sources
  | accessdate = 2018-05-14 }}</ref>
+
  | accessdate = 2020-05-07 }}</ref>
 
<!--== Occurences ==
 
<!--== Occurences ==
 
{| class="wikitable sortable" width="95%"
 
{| class="wikitable sortable" width="95%"
Line 324: Line 423:
 
<references/>
 
<references/>
 
__NOEDITSECTION__
 
__NOEDITSECTION__
[[Category:Alberta]][[Category:Wells]]
+
[[Category:Alberta Wells]]

Latest revision as of 03:24, 19 January 2021

Well Details

Well ID: 0494011909000
Loading map...
Location: 00/09-19-049-01W4/0
Location Alias: 00/09-19-49-01 W4M
Location Alias 2: 00/09-19-049-01 W4/00
Country: Canada
Province: Alberta
Township: 049
Meridian: 4
Range: 01
Section: 19
County/Municipality: County of Vermilion River
Well Name: PISMO LLOYD 9-19-49-1
Operator Name: Pismo Energy Ltd.
License Number: 0085416
License Date: 1980-09-05
License Status: Issued
Spud Date: 1980-09-10
Final Drill Date: 1980-09-15
Well Total Depth: 717.00 m
Surface Hole Latitude: 53.242262
Surface Hole Longitude: -110.129556

For data sources see[1][2]

Well History

Date Event
1909-09-09 Well Log Performed
1980-09-05 Obtained License
1980-09-15 Finished Drilling
1980-09-15 Well Mode changed to Drilled and Cased
1980-09-19 Production Casing Operation Performed
1980-10-23 Perforation Treatment Performed - Jet Perforation
1980-10-24 Well Began Production
1980-10-24 Well Fluid changed to Crude Oil
1980-10-24 Well Mode changed to Pumping
1984-09-09 Well Fluid changed to Crude Oil
1984-09-09 Well Mode changed to Suspended
1984-10-03 Well Fluid changed to Crude Oil
1984-10-03 Well Mode changed to Pumping
1986-03-01 Well Fluid changed to Crude Oil
1986-03-01 Well Mode changed to Suspended
1995-05-29 Well Fluid changed to Crude Oil
1995-05-29 Well Mode changed to Pumping

For data sources see[3]


Perforation Treatments

Perforation Date Perforation Type Interval Top (m) Interval Base (m) Number of Shots
1980-10-23 Perforation 588.50 590.00 13

For data sources see[4]


Production Data

Period Total Production Hours Gas Quantity (m3) Oil Quantity (m3) Water Quantity (m3)
1980 1031 0.0 0.0 0.0
1981 8225 0.0 0.0 0.0
1982 7198 0.0 0.0 0.0
1983 486 0.0 0.0 0.0
1984 2107 0.0 0.0 0.0
1985 1344 0.0 0.0 0.0
1988 240 0.0 0.0 0.0
1989 888 0.0 0.0 0.0
1995 5000 0.0 0.0 0.0
1996 7151 0.0 0.0 0.0
1997 7128 0.0 0.0 0.0
1998 8591 0.0 0.0 0.0
1999 8531 0.0 0.0 0.0
2000 8423 0.0 0.0 0.0
2001 8232 0.0 0.0 0.0
2002 8519 0.0 0.0 0.0
2003 8240 0.0 0.0 0.0
2004 8676 0.0 0.0 0.0
2005 8759 0.0 0.0 0.0
2006 8475 0.0 0.0 0.0
2007 7985 0.0 0.0 0.0
2008 8686 0.0 0.0 0.0
2009 8731 0.0 0.0 0.0
2010 8481 0.0 0.0 0.0
2011 6527 0.0 0.0 0.0
2012 8348 0.0 0.0 0.0
2013 8543 0.0 0.0 0.0
2014 8759 0.0 0.0 0.0
2015 8759 0.0 0.0 0.0
2016 8639 0.0 0.0 0.0
2017 8687 0.0 0.0 0.0
2018 3407 0.0 0.0 0.0
2019 3480 0.0 0.0 0.0
2020 336 0.0 0.0 0.0

For data sources see[5]

References