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Difference between revisions of "34-019-22606"

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−
__TOC__
+
__TOC__
 
== Well Details ==
 
== Well Details ==
 
{| class="wikitable welldetails" width="95%"
 
{| class="wikitable welldetails" width="95%"
 
| Well ID: 34-019-22606
 
| Well ID: 34-019-22606
−
| style="height=100%; align=center" rowspan="15" | {{#display_map: 40.45546463, -81.10168368 | width=100% | height=100% }}  
+
| style="height=100%; align=center" rowspan="17" | {{#display_map: 40.455399869, -81.10186224 | width=100% | height=100% }}
 
|-
 
|-
−
| County: [[Carroll County, Ohio|Carroll]]
+
| Country: United States
 
|-
 
|-
−
| Municipality:  
+
| State: Ohio
 +
|-
 +
| County: [[Carroll_County,_Ohio|Carroll]]
 +
|-
 +
| Municipality: [[Perry_Township,_Carroll_County,_Ohio|Perry Township]]
 
|-
 
|-
 
| Operator Name: [[CHESAPEAKE EXPLORATION LLC]]
 
| Operator Name: [[CHESAPEAKE EXPLORATION LLC]]
 
|-
 
|-
−
| Well Pad ID:  
+
| Well Pad ID: [[US-OH-001025]]
 
|-
 
|-
−
| Farm/Lease Name:  
+
| Farm/Lease Name: LEGGETT 5-13-6
 
|-
 
|-
−
| First Permit Date:  
+
| License Status: Producing
 
|-
 
|-
−
| Last Permit Date:  
+
| License Date: 2014-08-13
 
|-
 
|-
 
| Spud Date: 2014-08-24
 
| Spud Date: 2014-08-24
 
|-
 
|-
−
| Unconventional:  
+
| Spud Drilling Contractor: [[PATTERSON DRILLING]]
 
|-
 
|-
−
| Configuration:  
+
| Final Drill Date: 2014-10-11
 
|-
 
|-
−
| Well Status: Well Drilled
+
| Well Total Depth: 17335 ft
 
|-
 
|-
−
| Violations: 0
+
| Configuration: Horizontal
 
|-
 
|-
−
| Latitude: 40.45546463
+
| Latitude: 40.455399869
−
|-
 
−
| Longitude: -81.10168368
 
 
|-
 
|-
 +
| Longitude: -81.10186224
 
|}
 
|}
−
== Inspection 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" | INSPECTION ID
+
!scope="col" style="text-align: center"| Well Status
−
!scope="col" | DATE
+
!scope="col" style="width: 15%;text-align: center"| Well Status Date
−
!scope="col" | DESCRIPTION
+
!scope="col" style="text-align: center"| Comment
−
!scope="col" | COMMENT
+
|-
−
!scope="col" | VIOLATION ID
+
| APP
−
!scope="col" | VIOLATION CODE
+
| 2014-07-08
−
!scope="col" | VIOLATION COMMENT
+
| Proposed Formations:TRENTON-BLACK RIVER, Issued Date:7/8/2014, Expired Date:7/7/2016 12:00:00 PM, Drilling unit acres:0, Proposed Well Type:ST, Proposed Well Class:STRT
 
|-
 
|-
−
| 1605237104
+
| APP
−
| 2014-10-15
+
| 2014-08-13
−
|  
+
| Proposed Formations:POINT PLEASANT, Issued Date:8/13/2014, Expired Date:8/12/2016 12:00:00 PM, Drilling unit acres:609.06, Proposed Well Type:OG, Proposed Well Class:POOL
−
| While on the Leggett # 9 - H location for the cementing of the surface casing I noticed a slight  bubbling  in the adjacent cellar ( Leggett # 5 - H , 34-019-2-2606 ). I contacted Chesapeake personnel who had the cellar of the Leggett # 5 - H pumped dry. A leak had developed in the side gate valve of section  A  of the Sweco wellhead. The pressure gauge did not register any pressure. The spindle packing was allowing a leak to pass out of the stem of the valve. With Sweco personnel on location, Chesapeake directed Sweco to correct the matter. Sweco personnel squeezed into the  packing gland  additional packing to fill the void. Upon refilling the valve the cellar was filled with fresh water to allow my visual inspection. The remedy sealed the valve stem. I inspected the wellhead on 10/15/2014 and did not observe any leaking. No violations were identified at this time.
+
|-
−
|  
+
| Reached Total Depth
−
|  
+
| 2014-10-11
 
|  
 
|  
 
|-
 
|-
 +
| Correction to Well
 +
| 2015-03-20
 +
| CHANGE IN TARGET AND TAKE-POINT INFORMATION (FOOTAGES AND COORDINATES) FROM AS DRILLED SURVEY PLAT.
 
|-
 
|-
−
| 5452834
+
| Completion Report Received
−
| 2014-08-25
+
| 2015-09-08
−
|
 
−
| I was on location to witness the placement and cementing of the 20 conductor casing. Top Hole Drilling drilled a 120' deep bore hole which was 26 in diameter. Three joints of 20 casing ( 94 lbs / foot ) were welded together as it was lowered into the bore hole. Openings were cut into the bottom of the casing five feet from the bottom to allow for circulation. Express Energy Services connected to the 20 casing and pumped a cement slurry of 230 sacks of Class A with 3 % CaCl2 back to the surface. I observed 15 barrels of cement return which weighed 14.9 lbs. / gallon. Water temp.  - 78, pH - 7.4. No violations were observed.
 
 
|  
 
|  
 +
|-
 +
| Construction Permit Expires
 +
| 2016-08-12
 
|  
 
|  
 +
|-
 +
| Record Last Modified
 +
| 2017-10-24
 
|  
 
|  
 
|-
 
|-
 
|}
 
|}
 
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 - Well and WellHistry 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>
−
[[Category:Has Chemical Data]]
+
== Perforation Treatments ==
−
==Chemical Data==
 
 
{| class="wikitable sortable" width="95%"
 
{| class="wikitable sortable" width="95%"
−
!scope="col" | HF Fluid Concentration
+
!scope="col" style="text-align: center"| Perforation Date
−
!scope="col" | Ingredient
+
!scope="col" style="text-align: center"| Interval Top (ft)
−
!scope="col" | Additive Concentration
+
!scope="col" style="text-align: center"| Interval Base (ft)
−
!scope="col" | Trade Name
+
!scope="col" style="text-align: center"| Number of Shots
−
!scope="col" | Purpose
 
−
!scope="col" | CAS number
 
−
!scope="col" | Supplier
 
 
|-
 
|-
−
| 0.00678
+
| 2015-09-11
−
| Ammonium sulfate
+
| style="text-align: right;" | 8911
−
| 0.04
+
| style="text-align: right;" | 17132
−
| A264
+
| style="text-align: right;" | 0
−
| B317
 
−
| 7783-20-2
 
−
| B244
 
 
|-
 
|-
 +
|}
 +
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)
 
|-
 
|-
−
| 0.00486
+
| 1
−
| Diammonium peroxidisulphate
+
| 03/27/2015
−
| 0.03
+
| 04/09/2015
−
| A264
+
| style="text-align: right;" | 7887
−
| B317
+
| style="text-align: right;" | 11,559,700.0
−
| 7727-54-0
+
| style="text-align: right;" | 933599
−
| B244
 
 
|-
 
|-
 +
|}
 +
==== 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)
 
|-
 
|-
−
| 0.00098
+
|- valign="top"
−
| Vinylidene chloride/methylacrylate copolymer
+
| rowspan="39"| 1
−
| 0.01
+
| rowspan="1"| Fresh Water
−
| A264
+
| rowspan="1"| CHESAPEAKE ENERGY
−
| B317
+
| rowspan="1"| Carrier/Base Fluid
−
| 25038-72-6
+
| Water
−
| B244
+
| 007732-18-5
 +
| style="text-align: right;" | 100
 +
| style="text-align: right;" | 82.1837
 +
| style="text-align: right;" | 0
 
|-
 
|-
 +
|- valign="top"
 +
| rowspan="1"| Recycled Produced Water
 +
| rowspan="1"| CHESAPEAKE ENERGY
 +
| rowspan="1"| Carrier/Base Fluid
 +
| Water
 +
| 007732-18-5
 +
| style="text-align: right;" | 100
 +
| style="text-align: right;" | 0.95199
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 0.0273
+
|- valign="top"
−
| Potassium borate
+
| rowspan="37"| A264, B244, B317, J218, J475, J580
−
| 0.16
+
J609, J610, L058, Acid, Hydrochloric 15pct
−
| A264
+
Acid, Hydrochloric 7.5pct
−
| B317
+
Northern White Sand, 100 Mesh Sand
−
| 1332-77-0
+
| rowspan="37"| SCHLUMBERGER
−
| B244
+
| rowspan="37"| Anti-Bacterial Agent, Breaker, Corrosion Inhibitor, Cross Linker, Friction Reducer, Gelling Agent, Iron Control Agent, Scale Inhibitor, Acid, Proppant - Nautral
 +
| Formaldehyde
 +
| 50-00-0
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0
 
|-
 
|-
 +
| Ethanol, 2,2,2-nitrilotris-, 1,1,1-tris(dihydrogen phosphate), sodium salt
 +
| 68171-29-9
 +
| style="text-align: right;" | 0.01
 +
| style="text-align: right;" | 0.00179
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 0.0
+
| Methanol
−
| Thiourea
+
| 67-56-1
−
| 68527.0
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0.00024
−
| B317
+
| style="text-align: right;" | 0
−
| polymer with formal
 
−
| B244
 
 
|-
 
|-
 +
| Quartz, Crystalline silica
 +
| 14808-60-7
 +
| style="text-align: right;" | 98.75
 +
| style="text-align: right;" | 16.6653
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 0.0003
+
| Tetrasodium ethylenediaminetetraacetate
−
| Non-crystalline silica (impurity)
+
| 64-02-8
−
| 0.0
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0.00001000
−
| B317
+
| style="text-align: right;" | 0
−
| 7631-86-9
 
−
| B244
 
 
|-
 
|-
 +
| Hydrochloric acid
 +
| 7647-01-0
 +
| style="text-align: right;" | 0.34
 +
| style="text-align: right;" | 0.05774
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 3e-05
 
 
| Magnesium silicate hydrate (talc)
 
| Magnesium silicate hydrate (talc)
−
| 0.0
 
−
| A264
 
−
|  B317
 
 
| 14807-96-6
 
| 14807-96-6
−
| B244
+
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0.00003000
 +
| style="text-align: right;" | 0
 
|-
 
|-
 +
| Urea
 +
| 57-13-6
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0.00033
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 1e-05
+
| Polymer of 2-acrylamido-2-methylpropanesulfonic acid sodium salt and methyl acrylate
−
| Tetrasodium ethylenediaminetetraacetate
+
| 136793-29-8
−
| 0.0
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0.00054
−
| B317
+
| style="text-align: right;" | 0
−
| 64-02-8
 
−
| B244
 
 
|-
 
|-
 +
| Glutaraldehyde
 +
| 111-30-8
 +
| style="text-align: right;" | 0.02
 +
| style="text-align: right;" | 0.00366
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 38193.0
+
| Fatty acids, tall-oil
−
| Acrylamide
+
| 61790-12-3
−
| 0.0
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0.00017
−
| B317
+
| style="text-align: right;" | 0
−
| 2-acrylamido-2-meth
 
−
| B244
 
−
|-
 
 
|-
 
|-
−
| 1e-05
 
 
| poly(tetrafluoroethylene)
 
| poly(tetrafluoroethylene)
−
| 0.0
 
−
| A264
 
−
|  B317
 
 
| 9002-84-0
 
| 9002-84-0
−
| B244
+
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0.00001000
 +
| style="text-align: right;" | 0
 
|-
 
|-
 +
| Potassium borate
 +
| 1332-77-0
 +
| style="text-align: right;" | 0.16
 +
| style="text-align: right;" | 0.0273
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 2e-05
+
| Hexadec-1-ene
−
| 2-propenamid
+
| 629-73-2
−
| 0.0
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0.00001000
−
| B317
+
| style="text-align: right;" | 0
−
| 79-06-1
 
−
| B244
 
 
|-
 
|-
 +
| Trisodium ortho phosphate
 +
| 7601-54-9
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0.00079
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 8e-05
 
−
| Sodium sulfate
 
−
| 0.0
 
−
| A264
 
−
|  B317
 
−
| 7757-82-6
 
−
|  B244
 
−
|-
 
−
|-
 
−
| 0.00027
 
 
| Sodium erythorbate
 
| Sodium erythorbate
−
| 0.0
 
−
| A264
 
−
|  B317
 
 
| 6381-77-7
 
| 6381-77-7
−
| B244
+
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0.00027
 +
| style="text-align: right;" | 0
 
|-
 
|-
 +
| Potassium hydroxide
 +
| 1310-58-3
 +
| style="text-align: right;" | 0.06
 +
| style="text-align: right;" | 0.01009
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 0.0
+
| Ethylene Glycol
−
| Dimethyl siloxanes and silicones
+
| 107-21-1
−
| 0.0
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0.00022
−
| B317
+
| style="text-align: right;" | 0
−
| 63148-62-9
 
−
| B244
 
 
|-
 
|-
 +
| Ammonium sulfate
 +
| 7783-20-2
 +
| style="text-align: right;" | 0.04
 +
| style="text-align: right;" | 0.00678
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 68951.0
+
| Glycerol
−
| Alcohols
+
| 56-81-5
−
| 0.0
+
| style="text-align: right;" | 0.05
−
| A264
+
| style="text-align: right;" | 0.0089
−
| B317
+
| style="text-align: right;" | 0
−
| C14-15
 
−
| B244
 
 
|-
 
|-
 +
| Non-crystalline silica (impurity)
 +
| 7631-86-9
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0.0003
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 0.09186
+
| Octamethylcyclotetrasiloxane
−
| Guar gum
+
| 556-67-2
−
| 0.54
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0
−
| B317
+
| style="text-align: right;" | 0
−
| 9000-30-0
 
−
|  B244
 
 
|-
 
|-
 +
| Acrylamide, 2-acrylamido-2-methylpropanesulfonic acid, sodium salt polymer
 +
| 38193-60-1
 +
| style="text-align: right;" | 0.03
 +
| style="text-align: right;" | 0.005
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 0.00366
+
| 2-propenamid
−
| Glutaraldehyde
+
| 79-06-1
−
| 0.02
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0.00002000
−
| B317
+
| style="text-align: right;" | 0
−
| 111-30-8
 
−
| B244
 
 
|-
 
|-
 +
| Vinylidene chloride/methylacrylate copolymer
 +
| 25038-72-6
 +
| style="text-align: right;" | 0.01
 +
| style="text-align: right;" | 0.00098
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 0.00033
+
| Propargyl alcohol
−
| Urea
+
| 107-19-7
−
| 0.0
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0.00004000
−
| B317
+
| style="text-align: right;" | 0
−
| 57-13-6
 
−
| B244
 
 
|-
 
|-
 +
| Dodecamethylcyclohexasiloxane
 +
| 540-97-6
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 0.00054
+
| Siloxanes and silicones, dimethyl, reaction products with silica
−
| Polymer of 2-acrylamido-2-methylpropanesulfonic acid sodium salt and methyl acrylate
+
| 67762-90-7
−
| 0.0
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0
−
| B317
+
| style="text-align: right;" | 0
−
| 136793-29-8
 
−
| B244
 
 
|-
 
|-
 +
| Alcohols, C14-15, ethoxylated (7EO)
 +
| 68951-67-7
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0.00007000
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 0.00022
+
| Copper(II) sulfate
−
| Ethylene Glycol
+
| 7758-98-7
−
| 0.0
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0
−
| B317
+
| style="text-align: right;" | 0
−
| 107-21-1
 
−
| B244
 
 
|-
 
|-
 +
| Sodium sulfate
 +
| 7757-82-6
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0.00008000
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 2.0
+
| Thiourea, polymer with formaldehyde and 1-phenylethanone
−
| Ethanol
+
| 68527-49-1
−
| 2.0
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0.00014
−
| B317
+
| style="text-align: right;" | 0
−
| 2
 
−
| B244
 
 
|-
 
|-
 +
| Decamethyl cyclopentasiloxane
 +
| 541-02-6
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 0.0
+
| Diammonium peroxidisulphate
−
| Formaldehyde
+
| 7727-54-0
−
| 0.0
+
| style="text-align: right;" | 0.03
−
| A264
+
| style="text-align: right;" | 0.00486
−
| B317
+
| style="text-align: right;" | 0
−
| 50-00-0
 
−
|  B244
 
−
|-
 
 
|-
 
|-
−
| 1e-05
 
−
| Hexadec-1-ene
 
−
| 0.0
 
−
| A264
 
−
|  B317
 
−
| 629-73-2
 
−
|  B244
 
−
|-
 
−
|-
 
−
| 4e-05
 
−
| Propargyl alcohol
 
−
| 0.0
 
−
| A264
 
−
|  B317
 
−
| 107-19-7
 
−
|  B244
 
−
|-
 
−
|-
 
−
| 1e-05
 
 
| 1-Octadecene (C18)
 
| 1-Octadecene (C18)
−
| 0.0
 
−
| A264
 
−
|  B317
 
 
| 112-88-9
 
| 112-88-9
−
| B244
+
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0.00001000
 +
| style="text-align: right;" | 0
 
|-
 
|-
 +
| Guar gum
 +
| 9000-30-0
 +
| style="text-align: right;" | 0.54
 +
| style="text-align: right;" | 0.09186
 +
| style="text-align: right;" | 0
 
|-
 
|-
−
| 0.0
+
| Dimethyl siloxanes and silicones
−
| Fatty acids
+
| 63148-62-9
−
| 61790.0
+
| style="text-align: right;" | 0
−
| A264
+
| style="text-align: right;" | 0
−
| B317
+
| style="text-align: right;" | 0
−
| tall-oil
 
−
| B244
 
 
|-
 
|-
 +
|}
 +
For data sources see<ref>{{cite web
 +
| title = FracFocus Fracking Chemicals Database
 +
| date = 2019-04-02
 +
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-06-19 }}</ref>
 +
== 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
 
|-
 
|-
−
| 0.01009
+
| 2015-04-09
−
| Potassium hydroxide
+
| H2O
−
| 0.06
+
| style="text-align: right;" | 8
−
| A264
+
| style="text-align: right;" | 1560 Bbl
−
| B317
+
| style="text-align: right;" | 334080
−
| 1310-58-3
+
| [[Schlumberger]]
−
| B244
+
| STAGE 55/55
 +
25 SHOTS
 
|-
 
|-
 +
| 2015-03-27
 +
| H2O
 +
| style="text-align: right;" | 15
 +
| style="text-align: right;" | 2054 Bbl
 +
| style="text-align: right;" | 334100
 +
| [[Schlumberger]]
 +
| STAGE 1/55
 +
25 SHOTS
 +
STAGES 2-54 SEE IMAGES
 
|-
 
|-
−
| 0.0
+
|}
−
| Octamethylcyclotetrasiloxane
+
For data sources see<ref>{{cite web
−
| 0.0
+
| title = Risk Based Data Management System - tblStimulation Table
−
| A264
+
|publisher = [[Ohio Department of Natural Resources]]
−
| B317
+
| date =  2019-05-07
−
| 556-67-2
+
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
−
| B244
+
| 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
 
|-
 
|-
 +
| 2015
 +
| [[CHESAPEAKE EXPLORATION LLC]]
 +
| style="text-align: right;" | 360375
 +
| style="text-align: right;" | 48914
 +
| style="text-align: right;" | 156
 
|-
 
|-
−
| 98.75
+
| 2016
−
| Quartz
+
| [[CHESAPEAKE EXPLORATION LLC]]
−
| 14808.0
+
| style="text-align: right;" | 669152
−
| A264
+
| style="text-align: right;" | 59998
−
| B317
+
| style="text-align: right;" | 366
−
| Crystalline silica
 
−
| B244
 
 
|-
 
|-
 +
| 2017
 +
| [[CHESAPEAKE EXPLORATION LLC]]
 +
| style="text-align: right;" | 343831
 +
| style="text-align: right;" | 25334
 +
| style="text-align: right;" | 365
 
|-
 
|-
−
| 0.0089
+
| 2018
−
| Glycerol
+
| [[CHESAPEAKE EXPLORATION LLC]]
−
| 0.05
+
| style="text-align: right;" | 256206
−
| A264
+
| style="text-align: right;" | 16995
−
| B317
+
| style="text-align: right;" | 365
−
| 56-81-5
 
−
| B244
 
 
|-
 
|-
 +
| 2019
 +
| [[CHESAPEAKE EXPLORATION LLC]]
 +
| style="text-align: right;" | 57611
 +
| style="text-align: right;" | 3710
 +
| style="text-align: right;" | 90
 
|-
 
|-
−
| 0.00024
+
|}
−
| Methanol
+
For data sources see<ref>{{cite web
−
| 0.0
+
| title = Risk Based Data Management System - Production Table - Oil and Gas Data
−
| A264
+
|publisher = [[Ohio Department of Natural Resources]]
−
|  B317
+
| date =  2019-05-07
−
| 67-56-1
+
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
−
|  B244
+
| 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
 
|-
 
|-
 +
| 2015
 +
| [[CHESAPEAKE EXPLORATION LLC]]
 +
| Brine
 +
| style="text-align: right;" | 20043
 +
| style="text-align: right;" | 156
 
|-
 
|-
−
| 67762.0
+
| 2016
−
| Siloxanes and silicones
+
| [[CHESAPEAKE EXPLORATION LLC]]
−
| 0.0
+
| Brine
−
| A264
+
| style="text-align: right;" | 19101
−
| B317
+
| style="text-align: right;" | 366
−
| dimethyl
 
−
| B244
 
 
|-
 
|-
 +
| 2017
 +
| [[CHESAPEAKE EXPLORATION LLC]]
 +
| Brine
 +
| style="text-align: right;" | 6954
 +
| style="text-align: right;" | 365
 
|-
 
|-
−
| 0.0
+
| 2018
−
| Decamethyl cyclopentasiloxane
+
| [[CHESAPEAKE EXPLORATION LLC]]
−
| 0.0
+
| Brine
−
| A264
+
| style="text-align: right;" | 6049
−
| B317
+
| style="text-align: right;" | 365
−
| 541-02-6
 
−
| B244
 
 
|-
 
|-
 +
| 2019
 +
| [[CHESAPEAKE EXPLORATION LLC]]
 +
| Brine
 +
| style="text-align: right;" | 1826
 +
| style="text-align: right;" | 90
 
|-
 
|-
−
| 0.00079
+
|}
−
| Trisodium ortho phosphate
+
For data sources see<ref>{{cite web
−
| 0.0
+
| title = Risk Based Data Management System - Production Table - Brine Data
−
| A264
+
|publisher = [[Ohio Department of Natural Resources]]
−
|  B317
+
| date =  2019-05-07
−
| 7601-54-9
+
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
−
|  B244
+
| 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 ==
 +
==== Inspections Performed ====
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" style="text-align: center"| Inspection ID
 +
!scope="col" style="text-align: center"| Inspection Date
 +
!scope="col" style="text-align: center"| Inspection Type
 +
!scope="col" style="text-align: center"| Inspection Result
 +
!scope="col" style="text-align: center"| Inspection Comments
 
|-
 
|-
 +
| 0005452834
 +
| 2014-08-25
 +
| Casing String Witnessed
 +
| No Violations
 +
| I was on location to witness the placement and cementing of the 20 conductor casing. Top Hole Drilling drilled a 120 deep bore hole which was 26 in diameter. Three joints of 20 casing ( 94 lbs / foot ) were welded together as it was lowered into the bore hole. Openings were cut into the bottom of the casing five feet from the bottom to allow for circulation. Express Energy Services connected to the 20 casing and pumped a cement slurry of 230 sacks of Class A with 3 % CaCl2 back to the surface. I observed 15 barrels of cement return which weighed 14.9 lbs. / gallon. Water temp.  - 78, pH - 7.4. No violations were observed.
 
|-
 
|-
−
| 0.05774
+
| 0084178563
−
| Hydrochloric acid
+
| 2017-03-02
−
| 0.34
+
| Preliminary Restoration
−
| A264
+
| No Violations
−
|  B317
+
| I was on location to conduct a preliminary restoration inspection.  The #5H well is in production and consists of a plunger lift assembly.  Jersey barriers were installed around the wellhead.  The well is identified with a legibly-marked well identification sign.  Identification was posted at the tank battery which consisted of twelve 400 bbl production tanks, four  labeled as containing produced water, and eight labelled as containing condensate.  The tank battery is surrounded by a dike.  There are e-stops outside the barriers, and the tanks are grounded, and have static dissipaters.  There is a truck grounding area for trucks collecting condensate and/or produced water.  Lightning protection and a windsock are installed on top of the production tanks. Production equipment on the well pad consisted of:
−
| 7647-01-0
+
12- 400 bbl production tanks, four labelled as containing produced water, and eight labelled as containing condensate
−
| B244
+
8 sand separators
 +
8 gas processing units
 +
1 low pressure vertical separator 
 +
1 oil stabilization unit
 +
1 vapor recovery unit
 +
1 horizontal separator,
 +
1 compressor station
 +
Two bullet tanks
 +
Jersey barriers are installed around the production equipment.  The access road and man doors were locked.  Drainage and erosion controls at the pad are in place and functioning.  A closed-loop, above-ground drilling pit system was used, so there are no earthen pits requiring closure.  The pad has a crushed limestone surface, and is in good repair. The lease road was stable in in good repair.
 
|-
 
|-
 +
| 0507298431
 +
| 2018-09-05
 +
| Production Wells
 +
| No Violations
 +
| The well was equipped with a plunger-lift assembly.  The surface/intermediateannular gauge displayed a reading of zero psi, and the intermediate/production annular gauge displayed 150 psi.  No changes have been made to the production pad equipment since my last inspection. No violations were observed.
 
|-
 
|-
−
| 0.0
+
| 1605237104
−
| Dodecamethylcyclohexasiloxane
+
| 2014-10-15
−
| 0.0
+
| Casing String Witnessed
−
| A264
+
| No Violations
−
|  B317
+
|  While on the Leggett # 9 - H location for the cementing of the surface casing I noticed a slight  bubbling  in the adjacent cellar ( Leggett # 5 - H ,  34-019-2-2606 ). I contacted Chesapeake personnel who had the cellar of the Leggett # 5 - H pumped dry. A leak had developed in the side gate valve of section  A  of the Sweco wellhead. The pressure gauge did not register any pressure. The spindle packing was allowing a leak to pass out of the stem of the valve. With Sweco personnel on location, Chesapeake directed Sweco to correct the matter. Sweco personnel squeezed into the  packing gland additional packing to fill the void. Upon refilling the valve the cellar was filled with fresh water to allow my visual inspection. The remedy sealed the valve stem. I inspected the wellhead on 10/15/2014 and did not observe any leaking. No violations were identified at this time.
−
| 540-97-6
 
−
| B244
 
 
|-
 
|-
 +
| 1763504033
 +
| 2018-11-19
 +
| Production Wells
 +
| No Violations
 +
| The well was equipped with a plunger-lift assembly. The surface/intermediate gauge displayed zero psi and the intermediate/production gauge displayed 40 psi.  I performed a walk-around inspection of the pad and no violations were observed at the time of inspection.
 
|-
 
|-
−
| 0.95199
+
|}
−
| Water
+
<!--==== Violations Commited ====
−
| 100.0
+
{| class="wikitable sortable" width="95%"
−
| Recycled Produced Water
+
!scope="col" style="text-align: center"| Inspection ID
−
| Carrier/Base Fluid
+
!scope="col" style="text-align: center"| Violation ID
−
| 007732-18-5
+
!scope="col" style="text-align: center"| Violation Date
−
| CHESAPEAKE ENERGY
+
!scope="col" style="text-align: center"| Violation Code
 +
!scope="col" style="text-align: center"| Violation Comments
 
|-
 
|-
−
|-
+
|}-->
−
| 82.1837
+
For data sources see<ref>{{cite web
−
| Water
+
| title = Risk Based Data Management System - tblInspection, tblInspFail and tblinspFlDesc Tables
−
| 100.0
+
|publisher = [[Ohio Department of Natural Resources]]
−
| Fresh Water
+
| date = 2019-05-07
−
| Carrier/Base Fluid
+
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources
−
| 007732-18-5
+
| accessdate = 2019-05-21 }}</ref>
−
| CHESAPEAKE ENERGY
+
==References==
−
|-
+
<references/>
−
|}
 
−
For data sources see<ref>{{cite web | title = FracFocus Chemical Disclosure Registry |publisher = [http://www.fracfocusdata.org/DisclosureSearch/]| date = 2015-08-10 | url = http://wellwiki.org/wiki/Well_Chemicals_Data_Sources | accessdate = 2015-08-10 }}</ref>
 
−
== References ==
 
−
{{reflist}}
 
 
__NOEDITSECTION__
 
__NOEDITSECTION__
−
[[Category:Wells]]
+
[[Category:Ohio Wells]]
 +
[[Category:FracFocus]]

Revision as of 08:35, 31 July 2019

Well Details

Well ID: 34-019-22606
Loading map...
Country: United States
State: Ohio
County: Carroll
Municipality: Perry Township
Operator Name: CHESAPEAKE EXPLORATION LLC
Well Pad ID: US-OH-001025
Farm/Lease Name: LEGGETT 5-13-6
License Status: Producing
License Date: 2014-08-13
Spud Date: 2014-08-24
Spud Drilling Contractor: PATTERSON DRILLING
Final Drill Date: 2014-10-11
Well Total Depth: 17335 ft
Configuration: Horizontal
Latitude: 40.455399869
Longitude: -81.10186224

For data sources see[1]

Well History

Well Status Well Status Date Comment
APP 2014-07-08 Proposed Formations:TRENTON-BLACK RIVER, Issued Date:7/8/2014, Expired Date:7/7/2016 12:00:00 PM, Drilling unit acres:0, Proposed Well Type:ST, Proposed Well Class:STRT
APP 2014-08-13 Proposed Formations:POINT PLEASANT, Issued Date:8/13/2014, Expired Date:8/12/2016 12:00:00 PM, Drilling unit acres:609.06, Proposed Well Type:OG, Proposed Well Class:POOL
Reached Total Depth 2014-10-11
Correction to Well 2015-03-20 CHANGE IN TARGET AND TAKE-POINT INFORMATION (FOOTAGES AND COORDINATES) FROM AS DRILLED SURVEY PLAT.
Completion Report Received 2015-09-08
Construction Permit Expires 2016-08-12
Record Last Modified 2017-10-24

For data sources see[2]

Perforation Treatments

Perforation Date Interval Top (ft) Interval Base (ft) Number of Shots
2015-09-11 8911 17132 0

For data sources see[3]

Fracking Activities

Fracking Jobs

Job Number Job Start Date Job End Date True Vertical Depth (ft) Total Water Volume (gal) Total Non-Water Volume (gal)
1 03/27/2015 04/09/2015 7887 11,559,700.0 933599

Fluid Composition Data

Job Number Trade Name Supplier Purpose Ingredient Name CAS Number Additive Percentage by Mass Job Percentage by Mass Mass Used (lb)
1 Fresh Water CHESAPEAKE ENERGY Carrier/Base Fluid Water 007732-18-5 100 82.1837 0
Recycled Produced Water CHESAPEAKE ENERGY Carrier/Base Fluid Water 007732-18-5 100 0.95199 0
A264, B244, B317, J218, J475, J580 
J609, J610, L058, Acid, Hydrochloric 15pct
Acid, Hydrochloric 7.5pct
Northern White Sand, 100 Mesh Sand
SCHLUMBERGER Anti-Bacterial Agent, Breaker, Corrosion Inhibitor, Cross Linker, Friction Reducer, Gelling Agent, Iron Control Agent, Scale Inhibitor, Acid, Proppant - Nautral Formaldehyde 50-00-0 0 0 0
Ethanol, 2,2,2-nitrilotris-, 1,1,1-tris(dihydrogen phosphate), sodium salt 68171-29-9 0.01 0.00179 0
Methanol 67-56-1 0 0.00024 0
Quartz, Crystalline silica 14808-60-7 98.75 16.6653 0
Tetrasodium ethylenediaminetetraacetate 64-02-8 0 0.00001000 0
Hydrochloric acid 7647-01-0 0.34 0.05774 0
Magnesium silicate hydrate (talc) 14807-96-6 0 0.00003000 0
Urea 57-13-6 0 0.00033 0
Polymer of 2-acrylamido-2-methylpropanesulfonic acid sodium salt and methyl acrylate 136793-29-8 0 0.00054 0
Glutaraldehyde 111-30-8 0.02 0.00366 0
Fatty acids, tall-oil 61790-12-3 0 0.00017 0
poly(tetrafluoroethylene) 9002-84-0 0 0.00001000 0
Potassium borate 1332-77-0 0.16 0.0273 0
Hexadec-1-ene 629-73-2 0 0.00001000 0
Trisodium ortho phosphate 7601-54-9 0 0.00079 0
Sodium erythorbate 6381-77-7 0 0.00027 0
Potassium hydroxide 1310-58-3 0.06 0.01009 0
Ethylene Glycol 107-21-1 0 0.00022 0
Ammonium sulfate 7783-20-2 0.04 0.00678 0
Glycerol 56-81-5 0.05 0.0089 0
Non-crystalline silica (impurity) 7631-86-9 0 0.0003 0
Octamethylcyclotetrasiloxane 556-67-2 0 0 0
Acrylamide, 2-acrylamido-2-methylpropanesulfonic acid, sodium salt polymer 38193-60-1 0.03 0.005 0
2-propenamid 79-06-1 0 0.00002000 0
Vinylidene chloride/methylacrylate copolymer 25038-72-6 0.01 0.00098 0
Propargyl alcohol 107-19-7 0 0.00004000 0
Dodecamethylcyclohexasiloxane 540-97-6 0 0 0
Siloxanes and silicones, dimethyl, reaction products with silica 67762-90-7 0 0 0
Alcohols, C14-15, ethoxylated (7EO) 68951-67-7 0 0.00007000 0
Copper(II) sulfate 7758-98-7 0 0 0
Sodium sulfate 7757-82-6 0 0.00008000 0
Thiourea, polymer with formaldehyde and 1-phenylethanone 68527-49-1 0 0.00014 0
Decamethyl cyclopentasiloxane 541-02-6 0 0 0
Diammonium peroxidisulphate 7727-54-0 0.03 0.00486 0
1-Octadecene (C18) 112-88-9 0 0.00001000 0
Guar gum 9000-30-0 0.54 0.09186 0
Dimethyl siloxanes and silicones 63148-62-9 0 0 0

For data sources see[4]

Stimulations Data

Stimulation Date Chemical Agent Chemical Agent Concentration (%) Fracking Fluid Volume Mass of Proppant Used (lb) Fracking Company Comments
2015-04-09 H2O 8 1560 Bbl 334080 Schlumberger STAGE 55/55

25 SHOTS

2015-03-27 H2O 15 2054 Bbl 334100 Schlumberger STAGE 1/55

25 SHOTS STAGES 2-54 SEE IMAGES

For data sources see[5]

Production Data

Period Operator Name Gas Quantity (mcf) Oil Quantity (bbl) Production Days
2015 CHESAPEAKE EXPLORATION LLC 360375 48914 156
2016 CHESAPEAKE EXPLORATION LLC 669152 59998 366
2017 CHESAPEAKE EXPLORATION LLC 343831 25334 365
2018 CHESAPEAKE EXPLORATION LLC 256206 16995 365
2019 CHESAPEAKE EXPLORATION LLC 57611 3710 90

For data sources see[6] [7]

Waste Data

Period Operator Name Waste Type Quantity (bbl) Production Days
2015 CHESAPEAKE EXPLORATION LLC Brine 20043 156
2016 CHESAPEAKE EXPLORATION LLC Brine 19101 366
2017 CHESAPEAKE EXPLORATION LLC Brine 6954 365
2018 CHESAPEAKE EXPLORATION LLC Brine 6049 365
2019 CHESAPEAKE EXPLORATION LLC Brine 1826 90

For data sources see[8] [9]

Inspection Data

Inspections Performed

Inspection ID Inspection Date Inspection Type Inspection Result Inspection Comments
0005452834 2014-08-25 Casing String Witnessed No Violations I was on location to witness the placement and cementing of the 20 conductor casing. Top Hole Drilling drilled a 120 deep bore hole which was 26 in diameter. Three joints of 20 casing ( 94 lbs / foot ) were welded together as it was lowered into the bore hole. Openings were cut into the bottom of the casing five feet from the bottom to allow for circulation. Express Energy Services connected to the 20 casing and pumped a cement slurry of 230 sacks of Class A with 3 % CaCl2 back to the surface. I observed 15 barrels of cement return which weighed 14.9 lbs. / gallon. Water temp. - 78, pH - 7.4. No violations were observed.
0084178563 2017-03-02 Preliminary Restoration No Violations I was on location to conduct a preliminary restoration inspection. The #5H well is in production and consists of a plunger lift assembly. Jersey barriers were installed around the wellhead. The well is identified with a legibly-marked well identification sign. Identification was posted at the tank battery which consisted of twelve 400 bbl production tanks, four labeled as containing produced water, and eight labelled as containing condensate. The tank battery is surrounded by a dike. There are e-stops outside the barriers, and the tanks are grounded, and have static dissipaters. There is a truck grounding area for trucks collecting condensate and/or produced water. Lightning protection and a windsock are installed on top of the production tanks. Production equipment on the well pad consisted of:

12- 400 bbl production tanks, four labelled as containing produced water, and eight labelled as containing condensate 8 sand separators 8 gas processing units 1 low pressure vertical separator 1 oil stabilization unit 1 vapor recovery unit 1 horizontal separator, 1 compressor station Two bullet tanks Jersey barriers are installed around the production equipment. The access road and man doors were locked. Drainage and erosion controls at the pad are in place and functioning. A closed-loop, above-ground drilling pit system was used, so there are no earthen pits requiring closure. The pad has a crushed limestone surface, and is in good repair. The lease road was stable in in good repair.

0507298431 2018-09-05 Production Wells No Violations The well was equipped with a plunger-lift assembly. The surface/intermediateannular gauge displayed a reading of zero psi, and the intermediate/production annular gauge displayed 150 psi. No changes have been made to the production pad equipment since my last inspection. No violations were observed.
1605237104 2014-10-15 Casing String Witnessed No Violations While on the Leggett # 9 - H location for the cementing of the surface casing I noticed a slight bubbling in the adjacent cellar ( Leggett # 5 - H , 34-019-2-2606 ). I contacted Chesapeake personnel who had the cellar of the Leggett # 5 - H pumped dry. A leak had developed in the side gate valve of section A of the Sweco wellhead. The pressure gauge did not register any pressure. The spindle packing was allowing a leak to pass out of the stem of the valve. With Sweco personnel on location, Chesapeake directed Sweco to correct the matter. Sweco personnel squeezed into the packing gland additional packing to fill the void. Upon refilling the valve the cellar was filled with fresh water to allow my visual inspection. The remedy sealed the valve stem. I inspected the wellhead on 10/15/2014 and did not observe any leaking. No violations were identified at this time.
1763504033 2018-11-19 Production Wells No Violations The well was equipped with a plunger-lift assembly. The surface/intermediate gauge displayed zero psi and the intermediate/production gauge displayed 40 psi. I performed a walk-around inspection of the pad and no violations were observed at the time of inspection.

For data sources see[10]

References

  1. ↑ "Risk Based Data Management System - Well, tblLocational, tblPlugWell, tblInspection, tblCivilTownships and tblPad Tables". Ohio Department of Natural Resources. 2019-05-07. Retrieved 2019-05-21. 
  2. ↑ "Risk Based Data Management System - Well and WellHistry Tables". Ohio Department of Natural Resources. 2019-05-07. Retrieved 2019-05-21. 
  3. ↑ "Risk Based Data Management System - Perfs Table". Ohio Department of Natural Resources. 2019-05-07. Retrieved 2019-05-21. 
  4. ↑ "FracFocus Fracking Chemicals Database". 2019-04-02. Retrieved 2019-06-19. 
  5. ↑ "Risk Based Data Management System - tblStimulation Table". Ohio Department of Natural Resources. 2019-05-07. Retrieved 2019-05-21. 
  6. ↑ "Risk Based Data Management System - Production Table - Oil and Gas Data". Ohio Department of Natural Resources. 2019-05-07. Retrieved 2019-05-21. 
  7. ↑ "Combined Production - Oil and Gas Data". Ohio Department of Natural Resources. 2019-05-07. Retrieved 2019-05-21. 
  8. ↑ "Risk Based Data Management System - Production Table - Brine Data". Ohio Department of Natural Resources. 2019-05-07. Retrieved 2019-05-21. 
  9. ↑ "Combined Production - Brine Data". Ohio Department of Natural Resources. 2019-05-07. Retrieved 2019-05-21. 
  10. ↑ "Risk Based Data Management System - tblInspection, tblInspFail and tblinspFlDesc Tables". Ohio Department of Natural Resources. 2019-05-07. Retrieved 2019-05-21. 
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