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 "0304202007002"

m
m
Line 3: Line 3:
 
{| class="wikitable welldetails" width="95%"
 
{| class="wikitable welldetails" width="95%"
 
| Well ID: 0304202007002
 
| Well ID: 0304202007002
−
| style="height=100%; align=center" rowspan="14" | {{#display_map: 51.579641, -112.776715 | width=100% | height=100% }}
+
| style="height=100%; align=center" rowspan="21" | {{#display_map: 51.579641, -112.776715 | width=100% | height=100% }}
 
|-
 
|-
 
| Location: 00/07-20-030-20W4/2
 
| Location: 00/07-20-030-20W4/2
Line 10: Line 10:
 
|-
 
|-
 
| Location Alias 2: 00/07-20-030-20 W4/02
 
| Location Alias 2: 00/07-20-030-20 W4/02
 +
|-
 +
| Country: Canada
 
|-
 
|-
 
| Province: Alberta
 
| Province: Alberta
 +
|-
 +
| Township: 030
 +
|-
 +
| Meridian: 4
 +
|-
 +
| Range: 20
 +
|-
 +
| Section: 20
 
|-
 
|-
 
| County/Municipality: [[Starland County,_Alberta|Starland County]]
 
| County/Municipality: [[Starland County,_Alberta|Starland County]]
Line 17: Line 27:
 
| Well Name: 981384 DRUM 7-20-30-20
 
| Well Name: 981384 DRUM 7-20-30-20
 
|-
 
|-
−
| Operator Name:  
+
| Operator Name: [[Trident Exploration (Alberta) Corp.]]
 
|-
 
|-
 
| License Number: 0318730
 
| License Number: 0318730
Line 29: Line 39:
 
| Final Drill Date: 2004-12-02
 
| Final Drill Date: 2004-12-02
 
|-
 
|-
−
| Well Total Depth: 701 m
+
| Well Total Depth: 701.00 m
 
|-
 
|-
 
| Surface Hole Latitude: 51.579641
 
| Surface Hole Latitude: 51.579641
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
 +
|-
 +
| 2004-11-10
 +
| Obtained License
 +
|-
 +
| 2004-11-30
 +
| Surface Casing Operation Performed
 +
|-
 +
| 2004-12-02
 +
| Finished Drilling
 +
|-
 +
| 2004-12-02
 +
| Production Casing Operation Performed
 +
|-
 +
| 2004-12-02
 +
| Rig Released
 +
|-
 +
| 2004-12-02
 +
| Well Mode changed to Drilled and Cased
 +
|-
 +
| 2004-12-10
 +
| Well Log Performed
 +
|-
 +
| 2004-12-21
 +
| Perforation Treatment Performed - Jet Perforation
 +
|-
 +
| 2004-12-23
 +
| Perforation Treatment Performed - Fractured
 +
|-
 +
| 2005-01-11
 +
| Perforation Treatment Performed - Jet Perforation
 +
|-
 +
| 2005-01-17
 +
| Perforation Treatment Performed - Fractured
 +
|-
 +
| 2007-10-18
 +
| Perforation Treatment Performed - Jet Perforation
 +
|-
 +
| 2007-10-19
 +
| Well Log Performed
 +
|-
 +
| 2007-10-23
 +
| Perforation Treatment Performed - Fractured
 +
|-
 +
| 2007-10-29
 +
| Well Structure changed to Commingled
 +
|-
 +
| 2009-06-25
 +
| Well Structure changed to Commingled
 +
|-
 +
| 2017-02-28
 +
| Perforation Treatment Performed - Jet Perforation
 +
|-
 +
|}
 +
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:
 
| 2004-12-21
 
| 2004-12-21
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 621.5
+
| style="text-align: right;" | 621.50
−
| style="text-align: right;" | 624.5
+
| style="text-align: right;" | 624.50
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2004-12-23
 
| 2004-12-23
−
| Fracture  
+
| Fracture
−
| style="text-align: right;" | 621.5
+
| style="text-align: right;" | 621.50
−
| style="text-align: right;" | 624.5
+
| style="text-align: right;" | 624.50
 
| style="text-align: right;" | 0
 
| style="text-align: right;" | 0
 
|-
 
|-
 
| 2005-01-11
 
| 2005-01-11
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 531
+
| style="text-align: right;" | 531.00
−
| style="text-align: right;" | 532
+
| style="text-align: right;" | 532.00
 
| style="text-align: right;" | 13
 
| style="text-align: right;" | 13
 
|-
 
|-
 
| 2005-01-11
 
| 2005-01-11
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 527.5
+
| style="text-align: right;" | 527.50
−
| style="text-align: right;" | 529.5
+
| style="text-align: right;" | 529.50
 
| style="text-align: right;" | 13
 
| style="text-align: right;" | 13
 
|-
 
|-
 
| 2005-01-17
 
| 2005-01-17
−
| Fracture  
+
| Fracture
−
| style="text-align: right;" | 527.5
+
| style="text-align: right;" | 527.50
−
| style="text-align: right;" | 532
+
| style="text-align: right;" | 532.00
 
| style="text-align: right;" | 0
 
| style="text-align: right;" | 0
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 350
+
| style="text-align: right;" | 350.00
−
| style="text-align: right;" | 351
+
| style="text-align: right;" | 351.00
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 343.4
+
| style="text-align: right;" | 343.40
−
| style="text-align: right;" | 344.5
+
| style="text-align: right;" | 344.50
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 308.5
+
| style="text-align: right;" | 308.50
−
| style="text-align: right;" | 309.8
+
| style="text-align: right;" | 309.80
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 292
+
| style="text-align: right;" | 292.00
−
| style="text-align: right;" | 293
+
| style="text-align: right;" | 293.00
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 285
+
| style="text-align: right;" | 285.00
−
| style="text-align: right;" | 286.5
+
| style="text-align: right;" | 286.50
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 263.5
+
| style="text-align: right;" | 263.50
−
| style="text-align: right;" | 266
+
| style="text-align: right;" | 266.00
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 236.5
+
| style="text-align: right;" | 236.50
−
| style="text-align: right;" | 240.5
+
| style="text-align: right;" | 240.50
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 228.5
+
| style="text-align: right;" | 228.50
−
| style="text-align: right;" | 229.3
+
| style="text-align: right;" | 229.30
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 203
+
| style="text-align: right;" | 203.00
−
| style="text-align: right;" | 205.2
+
| style="text-align: right;" | 205.20
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 202
+
| style="text-align: right;" | 202.00
−
| style="text-align: right;" | 202.8
+
| style="text-align: right;" | 202.80
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 196
+
| style="text-align: right;" | 196.00
−
| style="text-align: right;" | 197.2
+
| style="text-align: right;" | 197.20
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 187.6
+
| style="text-align: right;" | 187.60
−
| style="text-align: right;" | 189
+
| style="text-align: right;" | 189.00
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 184.5
+
| style="text-align: right;" | 184.50
−
| style="text-align: right;" | 185.5
+
| style="text-align: right;" | 185.50
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 180.5
+
| style="text-align: right;" | 180.50
−
| style="text-align: right;" | 184
+
| style="text-align: right;" | 184.00
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 176
+
| style="text-align: right;" | 176.00
−
| style="text-align: right;" | 180
+
| style="text-align: right;" | 180.00
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 174
+
| style="text-align: right;" | 174.00
−
| style="text-align: right;" | 175.1
+
| style="text-align: right;" | 175.10
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 172
+
| style="text-align: right;" | 172.00
−
| style="text-align: right;" | 173
+
| style="text-align: right;" | 173.00
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 171
+
| style="text-align: right;" | 171.00
−
| style="text-align: right;" | 172
+
| style="text-align: right;" | 172.00
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 169
+
| style="text-align: right;" | 169.00
−
| style="text-align: right;" | 170.5
+
| style="text-align: right;" | 170.50
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 166
+
| style="text-align: right;" | 166.00
−
| style="text-align: right;" | 168
+
| style="text-align: right;" | 168.00
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 151
+
| style="text-align: right;" | 151.00
−
| style="text-align: right;" | 152.1
+
| style="text-align: right;" | 152.10
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-18
 
| 2007-10-18
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 132.5
+
| style="text-align: right;" | 132.50
−
| style="text-align: right;" | 134.2
+
| style="text-align: right;" | 134.20
 
| style="text-align: right;" | 14
 
| style="text-align: right;" | 14
 
|-
 
|-
 
| 2007-10-23
 
| 2007-10-23
−
| Fracture  
+
| Fracture
−
| style="text-align: right;" | 132.5
+
| style="text-align: right;" | 132.50
−
| style="text-align: right;" | 351
+
| style="text-align: right;" | 351.00
 
| style="text-align: right;" | 0
 
| style="text-align: right;" | 0
 
|-
 
|-
 
| 2017-02-28
 
| 2017-02-28
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 618.5
+
| style="text-align: right;" | 618.50
−
| style="text-align: right;" | 620
+
| style="text-align: right;" | 620.00
 
| style="text-align: right;" | 13
 
| style="text-align: right;" | 13
 
|-
 
|-
 
| 2017-02-28
 
| 2017-02-28
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 614
+
| style="text-align: right;" | 614.00
−
| style="text-align: right;" | 615
+
| style="text-align: right;" | 615.00
 
| style="text-align: right;" | 13
 
| style="text-align: right;" | 13
 
|-
 
|-
 
| 2017-02-28
 
| 2017-02-28
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 611
+
| style="text-align: right;" | 611.00
−
| style="text-align: right;" | 613
+
| style="text-align: right;" | 613.00
 
| style="text-align: right;" | 13
 
| style="text-align: right;" | 13
 
|-
 
|-
 
| 2017-02-28
 
| 2017-02-28
 
| Perforation
 
| Perforation
−
| style="text-align: right;" | 606
+
| style="text-align: right;" | 606.00
−
| style="text-align: right;" | 607
+
| style="text-align: right;" | 607.00
 
| style="text-align: right;" | 13
 
| style="text-align: right;" | 13
 
|-
 
|-
Line 268: Line 341:
 
  | 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%"
 +
!scope="col" | Job Number
 +
!scope="col" | Job Start Date
 +
!scope="col" | Job End Date
 +
!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%"
 
{| class="wikitable sortable" width="95%"
−
!scope="col" | Start Date
+
!scope="col" | Job Number
−
!scope="col" | End Date
+
!scope="col" | Trade Name
−
!scope="col" | Chemical Name
+
!scope="col" | Supplier
−
!scope="col" style="text-align: right;" | CAS Number
 
 
!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 309: Line 396:
 
|-
 
|-
 
| 2017-02-28
 
| 2017-02-28
−
| No Incident
+
| No Incident Encountered
−
| style="text-align: right;" | N/A
+
| style="text-align: right;" | 0.00
−
| style="text-align: right;" | N/A
+
| style="text-align: right;" | 0.00
 
|-
 
|-
 
|}
 
|}
Line 317: Line 404:
 
  | title = General Well Data File - Tour-Occurence Data
 
  | title = General Well Data File - Tour-Occurence 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>
 
==References==
 
==References==
 
<references/>
 
<references/>
 
__NOEDITSECTION__
 
__NOEDITSECTION__
 
[[Category:Alberta]][[Category:Wells]]
 
[[Category:Alberta]][[Category:Wells]]

Revision as of 00:19, 11 July 2020

Well Details

Well ID: 0304202007002
Loading map...
Location: 00/07-20-030-20W4/2
Location Alias: 00/07-20-30-20 W4M
Location Alias 2: 00/07-20-030-20 W4/02
Country: Canada
Province: Alberta
Township: 030
Meridian: 4
Range: 20
Section: 20
County/Municipality: Starland County
Well Name: 981384 DRUM 7-20-30-20
Operator Name: Trident Exploration (Alberta) Corp.
License Number: 0318730
License Date: 2004-11-10
License Status: Issued
Spud Date: 2004-11-28
Final Drill Date: 2004-12-02
Well Total Depth: 701.00 m
Surface Hole Latitude: 51.579641
Surface Hole Longitude: -112.776715

For data sources see[1][2]

Well History

Date Event
2004-11-10 Obtained License
2004-11-30 Surface Casing Operation Performed
2004-12-02 Finished Drilling
2004-12-02 Production Casing Operation Performed
2004-12-02 Rig Released
2004-12-02 Well Mode changed to Drilled and Cased
2004-12-10 Well Log Performed
2004-12-21 Perforation Treatment Performed - Jet Perforation
2004-12-23 Perforation Treatment Performed - Fractured
2005-01-11 Perforation Treatment Performed - Jet Perforation
2005-01-17 Perforation Treatment Performed - Fractured
2007-10-18 Perforation Treatment Performed - Jet Perforation
2007-10-19 Well Log Performed
2007-10-23 Perforation Treatment Performed - Fractured
2007-10-29 Well Structure changed to Commingled
2009-06-25 Well Structure changed to Commingled
2017-02-28 Perforation Treatment Performed - Jet Perforation

For data sources see[3]


Perforation Treatments

Perforation Date Perforation Type Interval Top (m) Interval Base (m) Number of Shots
2004-12-21 Perforation 621.50 624.50 14
2004-12-23 Fracture 621.50 624.50 0
2005-01-11 Perforation 531.00 532.00 13
2005-01-11 Perforation 527.50 529.50 13
2005-01-17 Fracture 527.50 532.00 0
2007-10-18 Perforation 350.00 351.00 14
2007-10-18 Perforation 343.40 344.50 14
2007-10-18 Perforation 308.50 309.80 14
2007-10-18 Perforation 292.00 293.00 14
2007-10-18 Perforation 285.00 286.50 14
2007-10-18 Perforation 263.50 266.00 14
2007-10-18 Perforation 236.50 240.50 14
2007-10-18 Perforation 228.50 229.30 14
2007-10-18 Perforation 203.00 205.20 14
2007-10-18 Perforation 202.00 202.80 14
2007-10-18 Perforation 196.00 197.20 14
2007-10-18 Perforation 187.60 189.00 14
2007-10-18 Perforation 184.50 185.50 14
2007-10-18 Perforation 180.50 184.00 14
2007-10-18 Perforation 176.00 180.00 14
2007-10-18 Perforation 174.00 175.10 14
2007-10-18 Perforation 172.00 173.00 14
2007-10-18 Perforation 171.00 172.00 14
2007-10-18 Perforation 169.00 170.50 14
2007-10-18 Perforation 166.00 168.00 14
2007-10-18 Perforation 151.00 152.10 14
2007-10-18 Perforation 132.50 134.20 14
2007-10-23 Fracture 132.50 351.00 0
2017-02-28 Perforation 618.50 620.00 13
2017-02-28 Perforation 614.00 615.00 13
2017-02-28 Perforation 611.00 613.00 13
2017-02-28 Perforation 606.00 607.00 13

For data sources see[4]


Occurences

Occurence Date Occurence Type Occurence Depth (m) Occurence Control Depth (m)
2017-02-28 No Incident Encountered 0.00 0.00

For data sources see[5]

References

  1. ↑ "General Well Data File - Licensing Data". Alberta Energy Regulator. 2020-04-22. Retrieved 2020-05-07. 
  2. ↑ "General Well Data File - Drilling Data". Alberta Energy Regulator. 2020-04-22. Retrieved 2020-05-07. 
  3. ↑ "General Well Data File". Alberta Energy Regulator. 2020-04-22. Retrieved 2020-04-29. 
  4. ↑ "General Well Data File - Tour-Perforation/Treatment Data". Alberta Energy Regulator. 2020-04-22. Retrieved 2020-05-07. 
  5. ↑ "General Well Data File - Tour-Occurence Data". Alberta Energy Regulator. 2020-04-22. Retrieved 2020-05-07. 
Retrieved from "https://wellwiki-prod.cloud.arc.gwu.edu/index.php?title=0304202007002&oldid=9603584"