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34-111-24721

Well Details

Well ID: 34-111-24721
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Country: United States
State: Ohio
County: Monroe
Municipality: Switzerland Township
Operator Name: CNX GAS COMPANY LLC
Well Pad ID: US-OH-001436
Farm/Lease Name: FOLLOWAY BRIAN SCOTT
License Status: Producing
License Date: 2017-02-06
Spud Date: 2017-02-16
Spud Drilling Contractor: PATTERSON DRILLING
Final Drill Date: 2017-06-03
Well Total Depth: 18532.00 ft
Configuration: Horizontal
Latitude: 39.820000
Longitude: -80.960000

For data sources see[1]

Well History

Well Status Well Status Date Comment
APP 2017-02-06 Proposed Formations:POINT PLEASANT, Issued Date:2/6/2017, Expired Date:2/6/2019 12:00:00 PM, Drilling unit acres:668.49, Proposed Well Type:OG, Proposed Well Class:EOUT
Correction to Well 2017-05-12 CORRECTION TO TAKE-POINT INFORMATION FROM AS DRILLED SURVEY PLAT.
Reached Total Depth 2017-06-03
Correction to Well 2017-10-27 UPDATE TO TARGET/TAKEPOINT PER AS-DRILLED PLAT
Completion Report Received 2017-12-13
Record Last Modified 2017-12-28
Correction to Well 2017-12-29 UPDATE TAKE POINT PER FINAL AS-DRILLED PLAT
Construction Permit Expires 2019-02-06

For data sources see[2]

Perforation Treatments

Perforation Date Interval Top (ft) Interval Base (ft) Number of Shots
2017-12-18 10963 11136 0
2017-12-18 18254 18405 0
18254 18405 0
10963 11136 0
10963 11136 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 08/17/2017 09/01/2017 10221 19,336,500.0 0

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 Water Consol Carrier/Base Fluid Water 7732-18-5 100 86.8457 161,363,000.0
Sand UPP Proppant Crystalline Silica in the form of Quartz 14808-60-7 99.9 9.19903 17,092,200.0
AP Breaker UPP Gel breaker Ammonium peroxydisulfate 7727-54-0 100 0.000651222 1210
Sulfuric acid 7664-93-9 0.5 0.00000326 6.05
Other Chemical(s) Listed Above See Trade Name(s) List Ammonium acetate 631-61-8 13 0.0112701 20940.4
Alcohols, ethoxylated 68002-97-1 5 0.00433467 8054.01
Distillates (petroleum), hydrotreated light 64742-47-8 55 0.0195733 36368.1
Sulfuric acid 7664-93-9 0.5 0.00000326 6.05
Hexamethylene Triamine Penta(Methylene Phosphonic Acid) 34690-00-1 5 0.000715304 1329.07
DETA phosphonate 15827-60-8 5 0.000715304 1329.07
Quarternary ammonium compounds,

benzyl-C12-16-alkyldimethyl, chlorides

68424-85-1 2.5 0.000466534 866.841
Ethanol 64-17-5 0.3 0.00005598 104.021
Water 7732-18-5 83 0.0154889 28779.1
Thiourea 62-56-6 1 0.00000785 14.59
Alcohols, ethoxylated 68551-12-2 5 0.00433467 8054.01
Methanol 67-56-1 5 0.00003926 72.952
Alcohols, C10-16, ethoxylated 68002-97-1 50 0.000392628 729.52
Alcohols, ethoxylated 68439-50-9 5 0.00433467 8054.01
Formaldehyde 50-00-0 1 0.00000785 14.59
HCL Acid (15%) UPP Acidizing Hydrochloric Acid 7647-01-0 15 0.120445 223791
Unislick ST50 UPP Friction reducer Alcohols, ethoxylated 68551-12-2 5 0.00433467 8054.01
Petroleum distillates, hydrotreated light 64742-47-8 30 0.026008 48324.1
Alcohols, ethoxylated 68002-97-1 5 0.00433467 8054.01
Alcohols, ethoxylated 68439-50-9 5 0.00433467 8054.01
Ammonium acetate 631-61-8 13 0.0112701 20940.4
Aqucar 714 UPP Biocide Glutaraldehyde 111-30-8 14 0.00261259 4854.31
Ethanol 64-17-5 0.3 0.00005598 104.021
Water 7732-18-5 83 0.0154889 28779.1
Quarternary ammonium compounds,

benzyl-C12-16-alkyldimethyl, chlorides

68424-85-1 2.5 0.000466534 866.841
WGA-7 UPP Viscosifier Guar Gum 9000-30-0 55 0.0195733 36368.1
Distillates (petroleum), hydrotreated light 64742-47-8 55 0.0195733 36368.1
Unihib G UPP Acid inhibitor Butyl diglycol 112-34-5 75 0.000588942 1094.28
Thiourea 62-56-6 1 0.00000785 14.59
Methanol 67-56-1 5 0.00003926 72.952
Formaldehyde 50-00-0 1 0.00000785 14.59
Alcohols, C10-16, ethoxylated 68002-97-1 50 0.000392628 729.52
Ceramic Proppant Carbo Ceramics Proppant Ceramic materials and wares, chemicals 66402-68-4 100 2.98646 5,548,970.0
Scale Inhibitor E UPP Scale Inhibitor Hexamethylene Triamine Penta(Methylene Phosphonic Acid) 34690-00-1 5 0.000715304 1329.07
DETA phosphonate 15827-60-8 5 0.000715304 1329.07
Copolymer of Maleic and Acrylic Acid 52255-49-9 20 0.00286121 5316.27

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
2017-08-30 H2O 15 11492 Bbl 598762 Universal Well Services Inc. STAGE 38/38

STAGES 2-37 SEE IMAGES

2017-08-17 H2O 15 13704 Bbl 602368 Universal Well Services Inc. STAGE 1/38

STAGES 2-37 SEE IMAGES

For data sources see[5]

Production Data

Period Operator Name Gas Quantity (mcf) Oil Quantity (bbl) Production Days
2017 CNX GAS COMPANY LLC 1047772 0 60
2018 CNX GAS COMPANY LLC 4805854 0 361
2019 CNX GAS COMPANY LLC 688144 0 89

For data sources see[6] [7]

Waste Data

Period Operator Name Waste Type Quantity (bbl) Production Days
2017 CNX GAS COMPANY LLC Brine 48756 60
2018 CNX GAS COMPANY LLC Brine 88941 361
2019 CNX GAS COMPANY LLC Brine 10559 89

For data sources see[8] [9]

Inspection Data

Inspections Performed

Inspection ID Inspection Date Inspection Type Inspection Result Inspection Comments
-1435687518 2017-2-17 0:00: CS No Violations 6.00
-1657395091 2017-5-17 0:00: CS No Violations 8.50
-2038218070 2020-5-18 0:00: PL No Violations 1.00
0282381306 2017-08-24 Completion Testing No Violations On site inspection to witness the well stimulation process found Universal Well Service pressure pumping service on location stimulating stage 21 of 38 total stages to be stimulated. The stage was stimulated with a total of 11,766 barrels of fluid with a top treating pressure of 10,147 psi. The pressure pumping equipment was pressure tested to 11,600 psi prior to the stage. The stage was perforated between the depths of 14,465 and 14,312 with 48 perforation shot in 4 clusters of 12 shots each cluster. A completion plug was set at 14,485. No abnormal annular pressure was recorded over 25 psi during the stage. The stimulation support equipment is placed on polymer containment with the well pad perimeter earthen berm serving as the primary perimeter containment.
0385230817 2018-02-21 Production Wells No Violations Status check inspection found the well drilling and completion process now complete and the well in line and producing from the tubing flow cross section. The casing section of the well head is isolated with no flow lines attached. All well head annulis have pressure gauges and flow lines present with check valves present on the flow lines. On location is also a production fluid tank battery consisting of a total of (4) tanks of steel construction design situated inside a polymer lined steel containment area. Also on location is 4 gas processing units on each servicing each well on the pad. EQT also has a midstream operation off the back corner of the well pad. Emergency Shut down devices are located at the well pad entrance-at each well head -the tank battery and the gas processing units.
0850832311 2018-05-21 Production Wells No Violations Producing well status check found that a total of 4 wells are present on the well pad and in production with the production valves on the tubing head assemblies in the open position. There is a total od 4 gas processing units on location and 4 steel design production tanks. A 3rd party midstream operator identified as EQT is set up at the rear of the well pad. There is a large portable water storage tank used in the stimulation process set up on the well pad also.
1350784905 2017-08-16 Completion Testing No Violations The pad is named Switz 26 and consists of 4 wells. During my inspection Universal Pressure Pumping, Allied Wireline, and CNX Company Man were on location. Universal Pressure Pumping was rigged up for hydraulic stimulation operations on the C and A well. Operations were at a stand-still and there was not any equipment in operation on location. I discussed with CNX Company Man annular pressure monitoring. He stated that they monitor the annular pressure at the wellhead and then run a line to the frac van when operations begin to record and monitor their pressures. The wellhead was equipped with a frac stack and goat head assembly with all valves in the close position. Annular pressure monitoring was present. A 2 inch diameter steel line was plumbed up to the 9.625 inch diameter casing and ran to a bled off tank.
1435687518 2017-02-17 Casing String Witnessed No Violations I was on location to witness Express Energy cement the 30 inch diameter casing into a 36 inch diameter borehole. Express Energy drilled a 100 foot 36 inch diameter borehole and set 100 feet of 30 inch diameter casing into the hole. Express ran 16 barrels of fresh water gel ahead of the cement. Express then ran 275 sacks of class A cement, 2% CaCL, and .5 parts per sack of floseal with 57.79 barrels of fresh water at 15.6 pounds and a yield of 1.18. Express then displaced with 74.8 barrels of fresh water until we got cement to surface. Express Energy circulated about 20 barrels of cement to surface and finished cementing the casing into the bore hole. The cement fell 30 feet from the surface of the conductor. The well was grouted from the surface the same day it was cemented to fix this issue.
1495037238 2017-05-17 Casing String Witnessed No Violations The purpose of my inspection was to witness the cementing of 677 feet of 18.625 inch diameter surface casing with in a 24 inch diameter hole drilled to a depth of 704 feet. During my inspection I witnessed Allied Oil Services attempted to pressure up to pressure test the lines and the pump malfunctioned and would not work properly. An estimated time of 5 hours was given for the arrival of the replacement pump truck.
1501769037 2017-08-03 Completion Testing No Violations The purpose of my inspection was a status check. During my inspection the well was equipped with a frac valve in the closed position. The pad surface was lined with containment liner and frac tanks were being placed on containment. Location was in preparation for hydraulic stimulation operations.
1657395091 2017-05-17 Casing String Witnessed No Violations The purpose of my inspection was to witness the surface-mine string cement job. The coal seam is from 623 feet to 639 feet in depth. Patterson Drilling Rig 803 drilled a 24 inch diameter borehole to a depth of 704 feet. The 18.625 inch diameter casing, 87.5 pounds per foot, was run to a depth of 677 feet. Following previous problems with a pump truck Allied Cement Services was on location with a functioning pump truck to cement the casing string in two stages with a packer set at 400 feet. 150 barrels of fresh water, 50 barrels of gel, and 20 barrels of fresh water were pumped ahead of the cement. 79 barrels of Class A cement with 1.5 percent calcium and 206 barrels of displacement were pumped to complete the first stage. The plug landed and the packer was energized. The second stage was completed using 60 barrels of fresh water, 50 barrels of gel, 15 barrels of fresh water, and 137 barrels of Class A cement with 1.5 percent calcium. 110 barrels of displacement were pumped, the floats held, and 14 barrels of cement returns were witnessed in the cellar. Cement density from both stages was checked during the job using pressurized scales confirming the weight of 15.6 pounds per gallon.
282381306 2017-8-24 0:00: CT No Violations 1.50
385230817 2018-2-21 0:00: PW No Violations
850832311 2018-5-21 0:00: PW No Violations 0.20

For data sources see[10]

References