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 "34-151-25696"

m
m
Line 1: Line 1:
__TOC__
+
__TOC__
 
== Well Details ==
 
== Well Details ==
 
{| class="wikitable welldetails" width="95%"
 
{| class="wikitable welldetails" width="95%"
 
| Well ID: 34-151-25696
 
| Well ID: 34-151-25696
| style="height=100%; align=center" rowspan="15" | {{#display_map: 40.8442813, -81.10292 | width=100% | height=100% }}  
+
| style="height=100%; align=center" rowspan="17" | {{#display_map: 40.844294383, -81.10292088 | width=100% | height=100% }}
 
|-
 
|-
| County: [[Stark County, Ohio|Stark]]
+
| Country: United States
 
|-
 
|-
| Municipality:  
+
| State: Ohio
 
|-
 
|-
| Operator Name: [[C & T ENERGY OF EAST CANTON]]
+
| County: [[Stark_County,_Ohio|Stark]]
 +
|-
 +
| Municipality: [[Washington_Township,_Stark_County,_Ohio|Washington Township]]
 +
|-
 +
| Operator Name: [[C & T ENERGY OF EAST CANTON IN]]
 
|-
 
|-
 
| Well Pad ID:  
 
| Well Pad ID:  
 
|-
 
|-
| Farm/Lease Name:  
+
| Farm/Lease Name: STOUDT UNIT
 
|-
 
|-
| First Permit Date:  
+
| License Status: Producing
 
|-
 
|-
| Last Permit Date:  
+
| License Date: 2010-11-05
 
|-
 
|-
 
| Spud Date: 2010-10-08
 
| Spud Date: 2010-10-08
 
|-
 
|-
| Unconventional: No
+
| Spud Drilling Contractor: [[ADVENT DRLG]]
 
|-
 
|-
| Configuration: Vertical
+
| Final Drill Date: 2010-10-12
 
|-
 
|-
| Well Status: Producing
+
| Well Total Depth: 5541 ft
 
|-
 
|-
| Violations: 0
+
| Configuration: Vertical
 
|-
 
|-
| Latitude: 40.8442813
+
| Latitude: 40.844294383
|-
 
| Longitude: -81.10292
 
 
|-
 
|-
 +
| Longitude: -81.10292088
 
|}
 
|}
== Production Data ==
+
For data sources see<ref>{{cite web
 +
| title = Risk Based Data Management System - Well, tblLocational, tblPlugWell, tblInspection, tblCivilTownships and tblPad Tables
 +
|publisher = [[Ohio Department of Natural Resources]]
 +
| date =  2019-05-07
 +
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-05-21 }}</ref>
 +
== Well History ==
 
{| class="wikitable sortable" width="95%"
 
{| class="wikitable sortable" width="95%"
!scope="col" | PERIOD
+
!scope="col" style="text-align: center"| Well Status
!scope="col" | GAS QUANTITY
+
!scope="col" style="width: 15%;text-align: center"| Well Status Date
!scope="col" | GAS PRODUCTION DAYS
+
!scope="col" style="text-align: center"| Comment
!scope="col" | CONDENSATE QUANTITY
+
|-
!scope="col" | CONDENSATE PRODUCTION DAYS
+
| APP
!scope="col" | OIL QUANTITY
+
| 2010-09-21
!scope="col" | OIL PRODUCTION DAYS
+
| Proposed Formations:CLINTON, Issued Date:9/21/2010, Expired Date:9/20/2012 12:00:00 PM, Drilling unit acres:40.76, Proposed Well Type:OG, Proposed Well Class:POOL
 
|-
 
|-
| 2010-0
+
| Reached Total Depth
| style="text-align:right;" | 0.0
+
| 2010-10-12
 
|  
 
|  
 +
|-
 +
| Construction Permit Expires
 +
| 2012-09-20
 
|  
 
|  
 +
|-
 +
| Completion Report Received
 +
| 2013-09-23
 
|  
 
|  
| style="text-align:right;" | 129.0
+
|-
 +
| Record Last Modified
 +
| 2017-02-15
 
|  
 
|  
 
|-
 
|-
 +
|}
 +
For data sources see<ref>{{cite web
 +
| title = Risk Based Data Management System - Well and WellHistry Tables
 +
|publisher = [[Ohio Department of Natural Resources]]
 +
| date =  2019-05-07
 +
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-05-21 }}</ref>
 +
== Perforation Treatments ==
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" style="text-align: center"| Perforation Date
 +
!scope="col" style="text-align: center"| Interval Top (ft)
 +
!scope="col" style="text-align: center"| Interval Base (ft)
 +
!scope="col" style="text-align: center"| Number of Shots
 +
|-
 +
| 2013-09-24
 +
| style="text-align: right;" | 5318
 +
| style="text-align: right;" | 5426
 +
| style="text-align: right;" | 53
 +
|-
 +
|}
 +
For data sources see<ref>{{cite web
 +
| title = Risk Based Data Management System - Perfs Table
 +
|publisher = [[Ohio Department of Natural Resources]]
 +
| date =  2019-05-07
 +
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-05-21 }}</ref>
 +
<!--== Fracking Activities ==
 +
==== Fracking Jobs ====
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" style="text-align: center"| Job Number
 +
!scope="col" style="text-align: center"| Job Start Date
 +
!scope="col" style="text-align: center"| Job End Date
 +
!scope="col" style="text-align: center"| True Vertical Depth (ft)
 +
!scope="col" style="text-align: center"| Total Water Volume (gal)
 +
!scope="col" style="text-align: center"| Total Non-Water Volume (gal)
 +
|-
 +
|}-->
 +
<!--==== Fluid Composition Data ====
 +
{| class="wikitable sortable" style="width: 100%"
 +
!scope="col" style="text-align: center"| Job Number
 +
!scope="col" style="text-align: center"| Trade Name
 +
!scope="col" style="text-align: center"| Supplier
 +
!scope="col" style="text-align: center"| Purpose
 +
!scope="col" style="text-align: center"| Ingredient Name
 +
!scope="col" style="white-space: nowrap;text-align: center"| CAS Number
 +
!scope="col" style="text-align: center"| Additive Percentage by Mass
 +
!scope="col" style="text-align: center"| Job Percentage by Mass
 +
!scope="col" style="text-align: center"| Mass Used (lb)
 +
|-
 +
|}-->
 +
== Stimulations Data ==
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" style="text-align: center"| Stimulation Date
 +
!scope="col" style="text-align: center"| Chemical Agent
 +
!scope="col" style="text-align: center"| Chemical Agent Concentration (%)
 +
!scope="col" style="text-align: center"| Fracking Fluid Volume
 +
!scope="col" style="text-align: center"| Mass of Proppant Used (lb)
 +
!scope="col" style="text-align: center"| Fracking Company
 +
!scope="col" style="text-align: center"| Comments
 
|-
 
|-
| 2011-0
 
| style="text-align:right;" | 20405.0
 
 
|  
 
|  
 +
| H2O
 +
| style="text-align: right;" | 15
 +
| style="text-align: right;" | 178000 Gal
 +
| style="text-align: right;" | 76000
 +
| [[Superior Well Services]]
 
|  
 
|  
|
 
| style="text-align:right;" | 2470.0
 
|
 
 
|-
 
|-
 +
|}
 +
For data sources see<ref>{{cite web
 +
| title = Risk Based Data Management System - tblStimulation Table
 +
|publisher = [[Ohio Department of Natural Resources]]
 +
| date =  2019-05-07
 +
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-05-21 }}</ref>
 +
== Production Data ==
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" style="text-align: center"| Period
 +
!scope="col" style="text-align: center"| Operator Name
 +
!scope="col" style="text-align: center"| Gas Quantity (mcf)
 +
!scope="col" style="text-align: center"| Oil Quantity (bbl)
 +
!scope="col" style="text-align: center"| Production Days
 +
|-
 +
| 2010
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 129
 +
| style="text-align: right;" | 30
 +
|-
 +
| 2011
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| style="text-align: right;" | 20405
 +
| style="text-align: right;" | 2470
 +
| style="text-align: right;" | 0
 +
|-
 +
| 2012
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| style="text-align: right;" | 10697
 +
| style="text-align: right;" | 1151
 +
| style="text-align: right;" | 366
 +
|-
 +
| 2013
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| style="text-align: right;" | 8817
 +
| style="text-align: right;" | 935
 +
| style="text-align: right;" | 365
 +
|-
 +
| 2014
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| style="text-align: right;" | 6786
 +
| style="text-align: right;" | 615
 +
| style="text-align: right;" | 365
 +
|-
 +
| 2015
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| style="text-align: right;" | 5310
 +
| style="text-align: right;" | 611
 +
| style="text-align: right;" | 365
 +
|-
 +
| 2016
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| style="text-align: right;" | 4284
 +
| style="text-align: right;" | 627
 +
| style="text-align: right;" | 365
 +
|-
 +
| 2017
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| style="text-align: right;" | 4243
 +
| style="text-align: right;" | 496
 +
| style="text-align: right;" | 365
 +
|-
 +
| 2018
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| style="text-align: right;" | 2353
 +
| style="text-align: right;" | 372
 +
| style="text-align: right;" | 365
 +
|-
 +
|}
 +
For data sources see<ref>{{cite web
 +
| title = Risk Based Data Management System - Production Table - Oil and Gas Data
 +
|publisher = [[Ohio Department of Natural Resources]]
 +
| date =  2019-05-07
 +
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-05-21 }}</ref>
 +
<ref>{{cite web
 +
| title = Combined Production - Oil and Gas Data
 +
|publisher = [[Ohio Department of Natural Resources]]
 +
| date = 2019-05-07
 +
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-05-21 }}</ref>
 +
== Waste Data ==
 +
{| class="wikitable sortable"
 +
!scope="col" style="text-align: center"| Period
 +
!scope="col" style="text-align: center"| Operator Name
 +
!scope="col" style="text-align: center"| Waste Type
 +
!scope="col" style="text-align: center"| Quantity (bbl)
 +
!scope="col" style="text-align: center"| Production Days
 +
|-
 +
| 2010
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| Brine
 +
| style="text-align: right;" | 1050
 +
| style="text-align: right;" | 30
 +
|-
 +
| 2011
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| Brine
 +
| style="text-align: right;" | 1450
 +
| style="text-align: right;" |
 +
|-
 +
| 2012
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| Brine
 +
| style="text-align: right;" | 385
 +
| style="text-align: right;" | 366
 +
|-
 +
| 2013
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| Brine
 +
| style="text-align: right;" | 350
 +
| style="text-align: right;" | 365
 
|-
 
|-
| 2012-0
+
| 2014
| style="text-align:right;" | 10697.0
+
| [[C & T ENERGY OF EAST CANTON IN]]
|
+
| Brine
|
+
| style="text-align: right;" | 210
|
+
| style="text-align: right;" | 365
| style="text-align:right;" | 1151.0
 
|
 
 
|-
 
|-
 +
| 2015
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| Brine
 +
| style="text-align: right;" | 140
 +
| style="text-align: right;" | 365
 
|-
 
|-
| 2013-0
+
| 2016
| style="text-align:right;" | 8817.0
+
| [[C & T ENERGY OF EAST CANTON IN]]
|
+
| Brine
|
+
| style="text-align: right;" | 140
|
+
| style="text-align: right;" | 365
| style="text-align:right;" | 935.0
 
|
 
 
|-
 
|-
 +
| 2017
 +
| [[C & T ENERGY OF EAST CANTON IN]]
 +
| Brine
 +
| style="text-align: right;" | 70
 +
| style="text-align: right;" | 365
 
|-
 
|-
| 2014-0
+
| 2018
| style="text-align:right;" | 6786.0
+
| [[C & T ENERGY OF EAST CANTON IN]]
| style="text-align:right;" | 365.0
+
| Brine
|  
+
| style="text-align: right;" | 150
|  
+
| style="text-align: right;" | 365
| style="text-align:right;" | 615.0
 
| style="text-align:right;" | 365.0
 
 
|-
 
|-
 
|}
 
|}
 
For data sources see<ref>{{cite web
 
For data sources see<ref>{{cite web
  | title = Ohio Department of Natural Resources RBDMS
+
  | title = Risk Based Data Management System - Production Table - Brine Data
  | publisher = [http://oilandgas.ohiodnr.gov/]
+
|publisher = [[Ohio Department of Natural Resources]]
  | date = 2015-06-19
+
  | date =  2019-05-07
  | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources#Production
+
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
  | accessdate = 2015-06-20 }}</ref>
+
| accessdate = 2019-05-21 }}</ref>
 +
<ref>{{cite web
 +
| title = Combined Production - Brine Data
 +
|publisher = [[Ohio Department of Natural Resources]]
 +
  | date = 2019-05-07
 +
  | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
 +
  | accessdate = 2019-05-21 }}</ref>
 
== Inspection Data ==
 
== Inspection Data ==
 +
==== Inspections Performed ====
 
{| class="wikitable sortable" width="95%"
 
{| class="wikitable sortable" width="95%"
!scope="col" | INSPECTION ID
+
!scope="col" style="text-align: center"| Inspection ID
!scope="col" | DATE
+
!scope="col" style="text-align: center"| Inspection Date
!scope="col" | DESCRIPTION
+
!scope="col" style="text-align: center"| Inspection Type
!scope="col" | COMMENT
+
!scope="col" style="text-align: center"| Inspection Result
!scope="col" | VIOLATION ID
+
!scope="col" style="text-align: center"| Inspection Comments
!scope="col" | VIOLATION CODE
+
|-
!scope="col" | VIOLATION COMMENT
+
| 0050014095
 +
| 2011-11-01
 +
| Preliminary Restoration
 +
| No Violations
 +
| The well is in production, the site is reclaimed, and identification signs are posted. The Preliminary Restoration is PASSED.
 +
|-
 +
| 0918000426
 +
| 2011-02-11
 +
| Preliminary Restoration
 +
| No Violations
 +
| The well is in production. There is evidence within the tank battery dike that a the stock tank overflowed. The release area is covered with straw and snow covered.
 
|-
 
|-
 
| 1160153966
 
| 1160153966
 
| 2010-12-01
 
| 2010-12-01
|  
+
| Preliminary Restoration
 +
| No Violations
 
| The site is reclaimed and the well is in production. There was no vegetation observed, so I did not pass the Preliminary Restoration at this time.
 
| The site is reclaimed and the well is in production. There was no vegetation observed, so I did not pass the Preliminary Restoration at this time.
|
 
|
 
|
 
|-
 
 
|-
 
|-
 
| 1286499642
 
| 1286499642
 
| 2010-10-07
 
| 2010-10-07
|  
+
| Drill / Deepen /  Reopen
 +
| No Violations
 
| The drilling location is cut and the access is stoned.
 
| The drilling location is cut and the access is stoned.
|
 
|
 
|
 
|-
 
 
|-
 
|-
 
| 1287006352
 
| 1287006352
 
| 2010-10-13
 
| 2010-10-13
|  
+
| Drill / Deepen /  Reopen
| Cemented 4-1/2'' dia casing. Good circulation was maintained throughout the entire cement job. Drilling pits and liners are intact.
+
| No Violations
|
+
| Cemented 4-1/2 dia casing. Good circulation was maintained throughout the entire cement job. Drilling pits and liners are intact.
|
 
|
 
|-
 
 
|-
 
|-
 
| 1287411832
 
| 1287411832
 
| 2010-10-15
 
| 2010-10-15
|  
+
| Drill / Deepen /  Reopen
 +
| No Violations
 
| Advent Drilling is moving off of the location today.
 
| Advent Drilling is moving off of the location today.
|
 
|
 
|
 
 
|-
 
|-
|-
+
| 1656575198
| -1656575198
 
 
| 2010-10-09
 
| 2010-10-09
|  
+
| Drill / Deepen /  Reopen
 +
| No Violations
 
| Cemented surface casing. Drilling pits and liners are intact.
 
| Cemented surface casing. Drilling pits and liners are intact.
|
 
|
 
|
 
|-
 
 
|-
 
|-
 
| 1688374840
 
| 1688374840
 
| 2010-10-08
 
| 2010-10-08
|  
+
| Drill / Deepen /  Reopen
 +
| No Violations
 
| Advent Drilling is moving onto the location and will spud today.
 
| Advent Drilling is moving onto the location and will spud today.
|
 
|
 
|
 
 
|-
 
|-
 +
|}
 +
<!--==== Violations Commited ====
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" style="text-align: center"| Inspection ID
 +
!scope="col" style="text-align: center"| Violation ID
 +
!scope="col" style="text-align: center"| Violation Date
 +
!scope="col" style="text-align: center"| Violation Code
 +
!scope="col" style="text-align: center"| Violation Comments
 
|-
 
|-
| 50014095
+
|}-->
| 2011-11-01
 
|
 
| The well is in production, the site is reclaimed, and identification signs are posted. The Preliminary Restoration is PASSED.
 
|
 
|
 
|
 
|-
 
|-
 
| 918000426
 
| 2011-02-11
 
|
 
| The well is in production. There is evidence within the tank battery dike that a the stock tank overflowed. The release area is covered with straw and snow covered.
 
|
 
|
 
|
 
|-
 
|}
 
 
For data sources see<ref>{{cite web
 
For data sources see<ref>{{cite web
  | title = Ohio Department of Natural Resources RBDMS
+
  | title = Risk Based Data Management System - tblInspection, tblInspFail and tblinspFlDesc Tables
  | publisher = [http://oilandgas.ohiodnr.gov/]
+
  |publisher = [[Ohio Department of Natural Resources]]
  | date = 2015-06-19
+
  | date = 2019-05-07
  | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources#Inspection
+
  | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
  | accessdate = 2015-06-20 }}</ref>
+
  | accessdate = 2019-05-21 }}</ref>
== References ==
+
==References==
{{reflist}}
+
<references/>
 
__NOEDITSECTION__
 
__NOEDITSECTION__
[[Category:Wells]]
+
[[Category:Ohio Wells]]

Revision as of 03:55, 24 July 2019

Well Details

Well ID: 34-151-25696
Loading map...
Country: United States
State: Ohio
County: Stark
Municipality: Washington Township
Operator Name: C & T ENERGY OF EAST CANTON IN
Well Pad ID:
Farm/Lease Name: STOUDT UNIT
License Status: Producing
License Date: 2010-11-05
Spud Date: 2010-10-08
Spud Drilling Contractor: ADVENT DRLG
Final Drill Date: 2010-10-12
Well Total Depth: 5541 ft
Configuration: Vertical
Latitude: 40.844294383
Longitude: -81.10292088

For data sources see[1]

Well History

Well Status Well Status Date Comment
APP 2010-09-21 Proposed Formations:CLINTON, Issued Date:9/21/2010, Expired Date:9/20/2012 12:00:00 PM, Drilling unit acres:40.76, Proposed Well Type:OG, Proposed Well Class:POOL
Reached Total Depth 2010-10-12
Construction Permit Expires 2012-09-20
Completion Report Received 2013-09-23
Record Last Modified 2017-02-15

For data sources see[2]

Perforation Treatments

Perforation Date Interval Top (ft) Interval Base (ft) Number of Shots
2013-09-24 5318 5426 53

For data sources see[3]

Stimulations Data

Stimulation Date Chemical Agent Chemical Agent Concentration (%) Fracking Fluid Volume Mass of Proppant Used (lb) Fracking Company Comments
H2O 15 178000 Gal 76000 Superior Well Services

For data sources see[4]

Production Data

Period Operator Name Gas Quantity (mcf) Oil Quantity (bbl) Production Days
2010 C & T ENERGY OF EAST CANTON IN 0 129 30
2011 C & T ENERGY OF EAST CANTON IN 20405 2470 0
2012 C & T ENERGY OF EAST CANTON IN 10697 1151 366
2013 C & T ENERGY OF EAST CANTON IN 8817 935 365
2014 C & T ENERGY OF EAST CANTON IN 6786 615 365
2015 C & T ENERGY OF EAST CANTON IN 5310 611 365
2016 C & T ENERGY OF EAST CANTON IN 4284 627 365
2017 C & T ENERGY OF EAST CANTON IN 4243 496 365
2018 C & T ENERGY OF EAST CANTON IN 2353 372 365

For data sources see[5] [6]

Waste Data

Period Operator Name Waste Type Quantity (bbl) Production Days
2010 C & T ENERGY OF EAST CANTON IN Brine 1050 30
2011 C & T ENERGY OF EAST CANTON IN Brine 1450
2012 C & T ENERGY OF EAST CANTON IN Brine 385 366
2013 C & T ENERGY OF EAST CANTON IN Brine 350 365
2014 C & T ENERGY OF EAST CANTON IN Brine 210 365
2015 C & T ENERGY OF EAST CANTON IN Brine 140 365
2016 C & T ENERGY OF EAST CANTON IN Brine 140 365
2017 C & T ENERGY OF EAST CANTON IN Brine 70 365
2018 C & T ENERGY OF EAST CANTON IN Brine 150 365

For data sources see[7] [8]

Inspection Data

Inspections Performed

Inspection ID Inspection Date Inspection Type Inspection Result Inspection Comments
0050014095 2011-11-01 Preliminary Restoration No Violations The well is in production, the site is reclaimed, and identification signs are posted. The Preliminary Restoration is PASSED.
0918000426 2011-02-11 Preliminary Restoration No Violations The well is in production. There is evidence within the tank battery dike that a the stock tank overflowed. The release area is covered with straw and snow covered.
1160153966 2010-12-01 Preliminary Restoration No Violations The site is reclaimed and the well is in production. There was no vegetation observed, so I did not pass the Preliminary Restoration at this time.
1286499642 2010-10-07 Drill / Deepen / Reopen No Violations The drilling location is cut and the access is stoned.
1287006352 2010-10-13 Drill / Deepen / Reopen No Violations Cemented 4-1/2 dia casing. Good circulation was maintained throughout the entire cement job. Drilling pits and liners are intact.
1287411832 2010-10-15 Drill / Deepen / Reopen No Violations Advent Drilling is moving off of the location today.
1656575198 2010-10-09 Drill / Deepen / Reopen No Violations Cemented surface casing. Drilling pits and liners are intact.
1688374840 2010-10-08 Drill / Deepen / Reopen No Violations Advent Drilling is moving onto the location and will spud today.

For data sources see[9]

References