If you find this page useful and would like to be notified of changes made to this page, start by inputting your email below.
powered by ChangeDetection
m |
m |
||
| (3 intermediate revisions by the same user not shown) | |||
| Line 3: | Line 3: | ||
{| class="wikitable welldetails" width="95%" | {| class="wikitable welldetails" width="95%" | ||
| Well ID: 37-125-01202 | | Well ID: 37-125-01202 | ||
| − | | style="height=100%; align=center" rowspan=" | + | | style="height=100%; align=center" rowspan="17" | {{#display_map: 40.163333, -80.309750 | width=100% | height=100% }} |
|- | |- | ||
| Country: United States | | Country: United States | ||
| Line 19: | Line 19: | ||
| Farm/Lease Name: MONTGOMERY J 8 | | Farm/Lease Name: MONTGOMERY J 8 | ||
|- | |- | ||
| − | | License Status: | + | | License Status: INACTIVE |
|- | |- | ||
| − | | Spud Date: | + | | Spud Date: |
|- | |- | ||
| Permit Date: | | Permit Date: | ||
| + | |- | ||
| + | | Well Type: OIL | ||
|- | |- | ||
| Unconventional Well: N | | Unconventional Well: N | ||
|- | |- | ||
| Configuration: Vertical Well | | Configuration: Vertical Well | ||
| + | |- | ||
| + | | Conservation: No | ||
|- | |- | ||
| Latitude: 40.163333 | | Latitude: 40.163333 | ||
| Line 49: | Line 53: | ||
| url = http://wellwiki.org/wiki/Pennsylvania_Oil_and_Gas_Data_Sources | | url = http://wellwiki.org/wiki/Pennsylvania_Oil_and_Gas_Data_Sources | ||
| accessdate = 2019-05-21 }}</ref> | | accessdate = 2019-05-21 }}</ref> | ||
| + | == Well History == | ||
| + | {| class="wikitable sortable" width="95%" | ||
| + | !scope="col" | Date | ||
| + | !scope="col" | Event | ||
| + | |- | ||
| + | | 1901-07-17 | ||
| + | | Drilling Completion | ||
| + | |- | ||
| + | | 1901-10-14 | ||
| + | | Performed Stimulation | ||
| + | |- | ||
| + | | 1986-04-18 | ||
| + | | OLD WELL | ||
| + | |- | ||
| + | |} | ||
| + | For data sources see<ref>{{cite web | ||
| + | | title = Compiled from multiple data sources - see Pennsylvania Oil and Gas Data Sources | ||
| + | | date = 2020-02-27 | ||
| + | | url = http://wellwiki.org/wiki/Pennsylvania_Oil_and_Gas_Data_Sources | ||
| + | | accessdate = 2020-02-27 }}</ref> | ||
| + | <!--== 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%" | ||
| + | !scope="col" | Job Number | ||
| + | !scope="col" | Trade Name | ||
| + | !scope="col" | Supplier | ||
| + | !scope="col" | Purpose | ||
| + | !scope="col" | Ingredient Name | ||
| + | !scope="col" | CAS Number | ||
| + | !scope="col" | Additive Percentage by Mass | ||
| + | !scope="col" | Job Percentage by Mass | ||
| + | !scope="col" | Mass Used (lb) | ||
| + | |- | ||
| + | |}--> | ||
| + | |||
| + | == Stimulation Data == | ||
| + | {| class="wikitable sortable" width="95%" | ||
| + | !scope="col" | Stimulation Date | ||
| + | !scope="col" | Phase Number | ||
| + | !scope="col" | Chemical Agent | ||
| + | !scope="col" | Volume (gal) | ||
| + | !scope="col" | Treating Pressure (psi) | ||
| + | !scope="col" | Breakdown Pressure (psi) | ||
| + | |- | ||
| + | | 1901-10-14 | ||
| + | | style="text-align: right;" | | ||
| + | |||
| + | | style="text-align: right;" | 0 | ||
| + | | style="text-align: right;" | 0 | ||
| + | | style="text-align: right;" | 0 | ||
| + | |- | ||
| + | |} | ||
| + | For data sources see<ref>{{cite web | ||
| + | | title = Completion Reports - Stimulations | ||
| + | | publisher = Pennsylvania Department of Conservation and Natural Resources | ||
| + | | date = 2020-03-02 | ||
| + | | url = http://wellwiki.org/wiki/Pennsylvania_Oil_and_Gas_Data_Sources | ||
| + | | accessdate = 2020-03-02 }}</ref> | ||
== Production Data == | == Production Data == | ||
{| class="wikitable sortable" width="95%" | {| class="wikitable sortable" width="95%" | ||
| Line 61: | Line 133: | ||
|- | |- | ||
| 1993 | | 1993 | ||
| − | | | + | | [[PENNZOIL PROD CO]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 1996 | | 1996 | ||
| − | | | + | | [[PENNZOIL PROD CO]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 1997 | | 1997 | ||
| − | | | + | | [[PENNZOIL PROD CO]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 1998 | | 1998 | ||
| − | | | + | | [[PENNZOIL PROD CO]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 1999 | | 1999 | ||
| − | | | + | | [[PENNZOIL PROD CO]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2000 | | 2000 | ||
| − | | | + | | [[PENNZOIL PROD CO]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2001 | | 2001 | ||
| − | | | + | | [[EAST RESOURCES INC]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2002 | | 2002 | ||
| − | | | + | | [[EAST RESOURCES INC]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2003 | | 2003 | ||
| − | | | + | | [[EAST RESOURCES INC]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2005 | | 2005 | ||
| − | | | + | | [[EAST RESOURCES INC]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2006 | | 2006 | ||
| − | | | + | | [[EAST RESOURCES INC]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2007 | | 2007 | ||
| − | | | + | | [[EAST RESOURCES INC]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2008 | | 2008 | ||
| − | | | + | | [[EAST RESOURCES INC]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2010 | | 2010 | ||
| − | | | + | | [[EAST RESOURCES MGMT LLC]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2011 | | 2011 | ||
| − | | | + | | [[SWEPI LP]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2012 | | 2012 | ||
| − | | | + | | [[SWEPI LP]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2013 | | 2013 | ||
| − | | | + | | [[SWEPI LP]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2014 | | 2014 | ||
| − | | | + | | [[SWEPI LP]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2015 | | 2015 | ||
| − | | | + | | [[SWEPI LP]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2016 | | 2016 | ||
| − | | | + | | [[SWEPI LP]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2017 | | 2017 | ||
| − | | | + | | [[SWEPI LP]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
| 2018 | | 2018 | ||
| − | | | + | | [[DALLAS ENERGY LLC]] |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
| style="text-align: right;" | 0.00 | | style="text-align: right;" | 0.00 | ||
| − | | style="text-align: right;" | | + | | style="text-align: right;" | 0 |
|- | |- | ||
|} | |} | ||
| Line 268: | Line 340: | ||
{| class="wikitable sortable" width="95%" | {| class="wikitable sortable" width="95%" | ||
!scope="col" | Period | !scope="col" | Period | ||
| + | !scope="col" | Operator | ||
!scope="col" | Waste Type | !scope="col" | Waste Type | ||
!scope="col" | Quantity | !scope="col" | Quantity | ||
| Line 307: | Line 380: | ||
!scope="col" | Penalty Amount | !scope="col" | Penalty Amount | ||
!scope="col" | Amount Collected | !scope="col" | Amount Collected | ||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
|- | |- | ||
|}--> | |}--> | ||
| Well ID: 37-125-01202 | Loading map...
{"type":"SATELLITE","minzoom":false,"maxzoom":false,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"mappingservice":"googlemaps3","width":"100%","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"wmsoverlay":false,"copycoords":false,"static":false,"zoom":14,"layers":[],"controls":["pan","zoom","type","scale","streetview","rotate"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"resizable":false,"kmlrezoom":false,"poi":true,"markercluster":false,"clustergridsize":60,"clustermaxzoom":20,"clusterzoomonclick":true,"clusteraveragecenter":true,"clusterminsize":2,"imageoverlays":[],"kml":[],"gkml":[],"searchmarkers":"","enablefullscreen":false,"scrollwheelzoom":false,"locations":[{"text":"","title":"","link":"","lat":40.163333,"lon":-80.30975,"icon":""}]} |
| Country: United States | |
| State: Pennsylvania | |
| County: Washington | |
| Municipality: Canton Township | |
| Operator Name: DALLAS ENERGY LLC | |
| Well Pad ID: | |
| Farm/Lease Name: MONTGOMERY J 8 | |
| License Status: INACTIVE | |
| Spud Date: | |
| Permit Date: | |
| Well Type: OIL | |
| Unconventional Well: N | |
| Configuration: Vertical Well | |
| Conservation: No | |
| Latitude: 40.163333 | |
| Longitude: -80.309750 |
| Date | Event |
|---|---|
| 1901-07-17 | Drilling Completion |
| 1901-10-14 | Performed Stimulation |
| 1986-04-18 | OLD WELL |
For data sources see[4]
| Stimulation Date | Phase Number | Chemical Agent | Volume (gal) | Treating Pressure (psi) | Breakdown Pressure (psi) |
|---|---|---|---|---|---|
| 1901-10-14 | 0 | 0 | 0 |
For data sources see[5]
| Period | Operator Name | Gas Quantity (mcf) | Gas Production Days | Oil Quantity (bbl) | Oil Production Days | Water Quantity (bbl) | Water Production Days |
|---|---|---|---|---|---|---|---|
| 1993 | PENNZOIL PROD CO | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 1996 | PENNZOIL PROD CO | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 1997 | PENNZOIL PROD CO | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 1998 | PENNZOIL PROD CO | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 1999 | PENNZOIL PROD CO | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2000 | PENNZOIL PROD CO | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2001 | EAST RESOURCES INC | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2002 | EAST RESOURCES INC | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2003 | EAST RESOURCES INC | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2005 | EAST RESOURCES INC | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2006 | EAST RESOURCES INC | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2007 | EAST RESOURCES INC | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2008 | EAST RESOURCES INC | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2010 | EAST RESOURCES MGMT LLC | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2011 | SWEPI LP | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2012 | SWEPI LP | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2013 | SWEPI LP | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2014 | SWEPI LP | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2015 | SWEPI LP | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2016 | SWEPI LP | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2017 | SWEPI LP | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
| 2018 | DALLAS ENERGY LLC | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 |
For data sources see[6]