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37-113-20366

Well Details

Well ID: 37-113-20366
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Country: United States
State: Pennsylvania
County: Sullivan
Municipality: Forks Township
Operator Name: CHIEF OIL & GAS LLC
Well Pad ID: 153025
Farm/Lease Name: BAHL UNIT 2H
License Status: Active
Spud Date: 03/01/2017
Permit Date: 2/9/2017
Unconventional Well: Y
Configuration: Horizontal Well
Latitude: 41.564219
Longitude: -76.513408

For data sources see[1][2][3]

Production Data

Period Operator Name Gas Quantity (mcf) Gas Production Days Oil Quantity (bbl) Oil Production Days Water Quantity (bbl) Water Production Days
2017 CHIEF OIL & GAS LLC 1,430,316.21 171 0.00 0 0.00 0
2018 CHIEF OIL & GAS LLC 2,170,163.99 362 0.00 0 0.00 0
2019 CHIEF OIL & GAS LLC 456,934.62 90 0.00 0 0.00 0

For data sources see[4]

Waste Data

Period Waste Type Quantity Disposal Method Waste Facility ID
2017-03 Drill Cuttings (in Tons) RWC 810 457.26 Tons LANDFILL 301358
2017-04 Drill Cuttings (in Tons) RWC 810 857.43 Tons LANDFILL 301358
2017-04 Drilling Fluid Waste (in Barrels) RWC 803 600.86 Bbl RESIDUAL WASTE PROCESSING FACILITY WMGR123
2017-07 Produced Fluid (in Barrels) RWC 802 7,977.08 Bbl REUSE (AT WELL PAD)
2017-08 Produced Fluid (in Barrels) RWC 802 985.74 Bbl REUSE (AT WELL PAD)
2017-09 Produced Fluid (in Barrels) RWC 802 576.16 Bbl REUSE (AT WELL PAD)
2017-10 Produced Fluid (in Barrels) RWC 802 114.95 Bbl REUSE (AT WELL PAD)
2017-11 Produced Fluid (in Barrels) RWC 802 106.42 Bbl REUSE (AT WELL PAD)
2017-12 Produced Fluid (in Barrels) RWC 802 206.25 Bbl REUSE (AT WELL PAD)
2018-01 Produced Fluid (in Barrels) RWC 802 232.05 Bbl REUSE (AT WELL PAD)
2018-02 Produced Fluid (in Barrels) RWC 802 183.72 Bbl REUSE (AT WELL PAD)
2018-03 Produced Fluid (in Barrels) RWC 802 183.73 Bbl REUSE (AT WELL PAD)
2018-05 Produced Fluid (in Barrels) RWC 802 51.37 Bbl REUSE (AT WELL PAD)
2018-06 Produced Fluid (in Barrels) RWC 802 92.67 Bbl REUSE (AT WELL PAD)
2018-07 Produced Fluid (in Barrels) RWC 802 91.01 Bbl REUSE (AT WELL PAD)
2018-08 Produced Fluid (in Barrels) RWC 802 91.84 Bbl REUSE (AT WELL PAD)
2018-10 Produced Fluid (in Barrels) RWC 802 57.61 Bbl REUSE (AT WELL PAD)
2019-03 Produced Fluid (in Barrels) RWC 802 40.10 Bbl REUSE (AT WELL PAD)

For data sources see[5]

Inspection Data

Inspections Performed

Inspection ID Inspection Category Inspection Date Inspection Type Inspection Result Inspection Comments
2563244 Primary Facility 2017-02-21 Routine/Complete Inspection No Violations Noted No violations cited.
2572249 Primary Facility 2017-03-13 Drilling/Alteration No Violations Noted Arrived @ 13:49. Weather: cloudy, snow storm predicted. Site being prepared for drilling. Containment was down and covered with mats. At the time of my inspection an Allison Crane crew was onsite. Also onsite was a Keystone Clearwater Solutions crew. I spoke to Mark Maguire who said that they were putting OBM from the Yonkin B in the tanks on the right hand side (looking toward the road). They were putting water in the tanks at the back on the left, and base oil in the tank at the front on the left.

The Bahl Unit 1H was shut in and surrounded by fencing. Bahl 2H and Bahl 3H conductors were cut and beveled. Left @ 14:00.

2574514 Primary Facility 2017-03-23 Routine/Partial Inspection No Violations Noted Inspection conducted to assess site conditions during drilling operations. I was accompanied my Chief representative Jeff Browning during my inspection. No violations were cited.
2575575 Primary Facility 2017-03-23 Drilling/Alteration No Violations Noted Arrived @ 11:27. Weather: cloudy. Precision 569 on location. Met with company man Jeff Browning. At the time of my inspection he had just set the pack off and was waiting on the intermediate casing cement. Originally he had been drilling the 2H, but due to anti-collision issues with the completed 1H, the 3H was being drilled from the 2H SHL. Intermediate casing was set at 1590’, used 560 sks, 1.253 yield, 17 bbls return to surface (cement report labeled 3H). Surface casing shoe was set at 558’, 535 sks, 20 bbls returned to surface (cement report labeled 2H). For the 2H, they had been originally set to drill at 2° toward the north to avoid the 1H borehole. Due to the lag in MWD tool reporting, didn’t find out until about 200’ that the well was drifting 2° south. Efforts to get back to the drilling program on track did succeed, so at the time of my inspection, Chief was drilling the 3H from the 2H surface location. Jeff Browning said that he would drill the 3H to kick off @ ¿ 7400’.

Then he would fill the hole

2580923 Primary Facility 2017-03-29 Drilling/Alteration No Violations Noted Weather: cold, windy overcast. Arrived @ 11:45, following a reconnaissance of the nearby abandoned well, which is described in the later part of this inspection report. Precision 569 on location. Met with company man Justin Ford. The surface casing cement job had recently been completed, so they were waiting on cement. The surface casing shoe was set at: 552’, Surface cement job: 560 sks of cement, with a yield of 1.19 cubic feet/sk, and 28 bbls cement return. Like the 3H, drilling for this well was also deviated from the start, using the same bend as previously used on the 3H, but a bigger motor. The deviation went well. No violations were observed during my inspection. Left @ 12:10.

Weather: cold, windy overcast. Arrived @ 11:45, following a reconnaissance of the nearby abandoned well, which is described in the later part of this inspection report. Precision 569 on location. Met with company man Justin Ford. The surface casing cement job had recently been completed, so they were waiting on cement. The sur

2582449 Primary Facility 2017-04-13 Routine/Complete Inspection No Violations Noted Inspection to assess site conditions during drilling operations. No violations cited.
2586736 Primary Facility 2017-04-25 Routine/Complete Inspection No Violations Noted Drilling completed. Well development containment removed. Rig matting stacked on side of well site. Various storage containers remain on site. No violations noted.
2602959 Primary Facility 2017-06-09 Administrative/File Review Violation(s) Noted
2606786 Primary Facility 2017-06-15 Follow-up Inspection Outstanding Violations - Viols Req'd Weather: Cloudy, cooler. Arrived @ 14:00 accompanied by Jon Hafer. The purpose of this inspection was to check on the pressure gauges installed on the 13-3/8” x 9-5/8” annuli of the Bahl 2H and Bahl 3H wells. Bubbling outside of surface casing on these wells was reported by Chief on 6/7/17. At the time of my inspection the Bahl 2H and 3H were being zipper-fracced. The 5-1/2” x 9-5/8” annulus was linked to the frac plumbing and monitored for major changes in flow. The 13-3/8” x 9-5/8” annuli were shut-in to continuous pressure monitors. Also in-line was an analog pressure gauge and a pressure relief valve set to release if pressures approached the regulatory limit.

Bahl 2H: 9-5/8” x 5-1/2”, very low, less than 5 psi, bubbling outside of the surface casing was observed. Bahl 3H: 9-5/8” x 5-1/2”: 34 psi, bubbling ouside of the surface casing was observed.

Following the inspection of the Bahl 2H and 3H wells, the abandoned well well at: 41.56751, -76.50944, off Bahl Rd was monitored. The casing was monitore

2606830 Primary Facility 2017-06-20 Follow-up Inspection Outstanding Violations - Viols Req'd Weather: Pleasant. Arrived @ 14:00 accompanied by Chief Environmental Specialist Jon Hafer. The purpose of this inspection was to check on the pressure gauges installed on the 13-3/8” x 9-5/8” annuli of the Bahl 2H and Bahl 3H wells. Bubbling outside of surface casing on these wells was reported by Chief on 6/7/17. At the time of my inspection the Bahl 1H was being fracced. The 5-1/2” x 9-5/8” annulus was linked to the frac plumbing and monitored for major changes in flow. The 13-3/8” x 9-5/8” annuli were shut-in to continuous pressure monitors. Also in-line was an analog pressure gauge and a pressure relief valve set to release if pressures approached the regulatory limit.

Bahl 2H: 9-5/8” x 5-1/2”, very low, less than 5 psi, bubbling outside of the surface casing was observed. Bahl 3H: 9-5/8” x 5-1/2”: 36 psi, bubbling outside of the surface casing was observed.

Following the inspection of the Bahl 2H and 3H wells, the abandoned well well at: 41.56751, -76.50944, off Bahl Rd was monitored. The casing was

2608462 Primary Facility 2017-06-27 Routine/Complete Inspection No Violations Noted I arrived on-site @ 09:20 hrs. and met Justin Myers, Chief company man. Frac ended Sunday 6/25, and most equipment had already been moved to the Nelson pad for the upcoming frac there. Several banks of Baker tanks and a pair of pump trucks were still present on the site. Water puddled on the pad surface demonstrated low conductance (.3- .980 mS/ cm). Berms had been removed from pad containment for equipment removal; water puddled on the liner also mostly showed low conductance (.4- 1.3 mS/ cm); however, one area near the pump trucks had puddles ranging from 2 mS/cm to greater than 19.99 mS/ cm. The volume of these puddles were low (the largest being 2-3 gallons), and a vac truck operator was immediately deployed to the area by Mr. Myers. Overall condition of the pad liner appeared to be good. PPC and ER plan were in the site mailbox; I departed the site @ 10:15 hrs.
2614876 Primary Facility 2017-07-11 Follow-up Inspection Outstanding Violations - Viols Req'd Weather: cloudy, threat of rain. Arrived @ 12:10 accompanied by Chief Environmental Specialist Jon Hafer. The purpose of this inspection was to document the start of a PBT test on the 13-3/8” x 9-5/8” and 9-5/8” x 5-1/2” annuli of the Bahl 2H and Bahl 3H wells. The test was motivated by an anomaly in pressure data for the 13-3/8” x 9-5/8” annulus of the Bahl 3H during fraccing operations on the Bahl pad (2H, 3H, 1H). Pressures on this annulus on 6/20/17 increased from 35 psig to 71 psig on 6/25/17 when the test was terminated. At the time of my inspection, preparations were being made to drill out plugs. The 9-5/8” x 5-1/2” annuli were shut in and the 13-3/8” x 9-5/8” annuli were open and venting. Since the 9-5/8” x 5-1/2” annuli were not at open equilibrium prior to the start of the test, we agreed to only gather pressure data only on the 13-3/8” x 9-5/8” annuli. The start time for the Bahl 3H was

Was 12:45 and the 0 recording was taken while off line. The start time for the Bahl 2H was 12:52.

2616836 Primary Facility 2017-07-17 Follow-up Inspection Outstanding Violations - Viols Req'd Weather: hot. Arrived @ 11:00 accompanied by Chief Environmental Specialist Jon Hafer. The purpose of this inspection was to check on the pressure build for 13-3/8” x 9-5/8” annuli of the Bahl 2H and Bahl 3H wells which begain on 7/11/17. At the time of my inspection the three wells on this pad (Bahl 1H, 2H, and 3H) were in production. The 9-5/8” x 5-1/2” annuli were shut-in, but not being monitored. For the Bahl 2H, the bubbling in the 20” x 13-3/8” annulus was sporatic and appeared similar to previous observations on 7/11/17 and earlier. On 7/17/17 the pressure on the 13-3/8” x 9-5/8” was 9.3 psi at 12:10 and 33°C. As the inspection terminated a crew arrived on site to open the annular vents and plumb them to a polytank.
2624339 Primary Facility 2017-08-03 Follow-up Inspection Outstanding Violations - Viols Req'd Weather: cloudy, after rain. Arrived @ 10:30 to meet Chief Environmental Specialist Jon Hafer to conclude 7-day PBTs on the Bahl Unit 2H and 3H. At the time of my inspection the three wells on this pad (Bahl 1H, 2H, and 3H) were in production. Pressures at the conclusion of the test were as follows:

Bahl Unit 2H: 9-5/8” X 5-1/2”: 590.10 psig @ 12:10; 13-3/8” x 9-5/8”: 9.10 psig @ 12:10, 20” x 13-3/8”: 12.75 psig @ 12:15. 5-1/2” 1600 psi (0-5000 psi analog). Bahl Unit 3H: 9-5/8” X 5-1/2”: 645.60 psig @ 11:15; 13-3/8” x 9-5/8”: 54 psig @ 12:00, 20” x 13-3/8”: 24.55 psig @ 12:05. 5-1/2” : 1800 psi (0-5000 psi analog). Made plans with Mr Hafer to isolate, purge, briefly shut-in, and collect isotopic samples on 8/7/17.

2624558 Primary Facility 2017-08-07 Follow-up Inspection Outstanding Violations - Viols Req'd Weather: rain. Arrived @ 9:48 with Chief Environmental Specialist Jon Hafer to observe and participate in split isotopic sample collection from annuli on the Bahl Unit 2H and 3H. At the time of my inspection the three wells on this pad (Bahl 1H, 2H, and 3H) were in production. There were no well tags on the Bahl Unit 2H and 3H. Mr Hafer said he would refer this to appropriate Chief staff.

Bahl 2H: there was very little gas on the 13-3/8” x 9-5/8” annular vent, which was making clear water. Mr Hafer drained the other vent, and shut-in the annulus so that we could return to sample after visiting the Nelson pad. Split samples were acquired for: 9-5/8” x 5-1/2” @ 10:15, and 20” x 13-3/8” @ 10:25. Top gauge and 5-1/2”: 1600 psi (0-5000 psi, analog). Left location @ 10:33. Returned to the Bahl at 12:10 to try to collect 13-3/8” x 9-5/8” sample. There was only enough gas for 1 bag, which Mr Hafer collected. We left the sampling set up in place, in case the Department wanted to try again later in the week. Andrea

2670341 Primary Facility 2017-11-07 Routine/Complete Inspection Outstanding Violations - Viols Req'd Arrived at 9:50. Weather cold, cloudy, windy. Andrea Mullen (DEP geologist), Ulyana Trynovich (DEP OGI), and I met with Jon Hafer (Chief Environmental Specialist). There were 3 producing wells on the pad. The purpose of this inspection was to examine the annular plumbing on the 2H and 3H wells (which employ the GE RSH2 well head) and the 1H (which uses the LSH well head), and participate in the acquisition of production gas isotopic samples for the 2H and 3H wells. Following the well inspections, the abandoned well was monitored for combustible gas, but no gas was detected (Altair 5X gas meter calibrated on 11/7/17). During this inspection a crew was working on one of the Bahl pad sediment basins.

The result of this inspection of the Bahl 2H is OUTST, because violations were cited on 06/09/17 (IR#: 2602959), and no new violations were cited during this inspection. Left location @ 11:30.

2670356 Primary Facility 2017-12-06 Routine/Complete Inspection Outstanding Violations - Viols Req'd Arrived at 9:30. Weather: cold, windy. Met with Jon Hafer for conclusion of Bahl 2H and 3H 168-hour PBTs and isotopic sample acquisition. All 3 wells were in production.

Bahl 2H: 1500 psi top gauge. 20" x 13-3/8": 1.74 psig 13-3/8" x 9-5/8": -.35 psig 9-5/8" x 5-1/2": 519.75 psig. Left at 11:50.

2695013 Primary Facility 2018-02-15 Routine/Complete Inspection Outstanding Violations - Viols Req'd Arrived at 12:30. Weather warm with snow and ice melting. There are 3 wells in production on site and an abandoned well off-site, but nearby. Bahl 1H: ice in cellar, 5' below surface, no bubbles. Top gauge: 1200 psi (0-5000 psi). 5-1/2": 1225 psi (0-5000 psi). 9-5/8" x 5-1/2": 36% methane/ volume (Altair 5X gas meter calibrated 2/14/18).

Bahl 3H: cellar water-filled. Top gauge: 1200 psi, 5-1/2": 1150 psi. Bahl 2H: low level water and ice in cellar. Top gauge: 1150, Bahl 2H and 3H are plumbed to the same polytank. Tank about 1/5 full of oil-based mud mixture. 60% methane/ volume at tank mouth. Nearby abandoned well: some water in base of casing - no bubbling. No methane detected.

2725846 Primary Facility 2018-05-03 Routine/Complete Inspection No Violations Noted Three wells staged for production phase. Four each water separators. Dump lines wrapped in insulating blanket. No leaks detected from production equipment. See E&S issues. No enforcement taken at this time.
2785654 Primary Facility 2018-10-09 Routine/Complete Inspection No Violations Noted Weather was 70° and cloudy at time of inspection. There were no Chief representatives on location at time of inspection. Well had a 0-5k psi gauge on the production tubing, the production casing and the pay line. Well also had a digital gauge on the production casing. The digital gauge on the production casing read 1081 psi, tubing pressure was approximately 1100 psi and pay line pressure was approximately 1200 psi at time of inspection. The analog gauge on the production casing appeared to be broken at time of inspection because it was wrapped around behind the zero pin. There were 2 annulus vents plumbed to surface. They were plumbed together and ran over to a poly vent tank. The tank had 100% LEL and 8% methane detected at time of inspection. No violations were noted at time of inspection.
2835741 Primary Facility 2019-02-04 Routine/Complete Inspection No Violations Noted Arrived onsite for a routine inspection at 12:38; the weather was ~50°F, clear, and calm. The gate was open when I arrived.

There were 3 properly tagged Marcellus wells staged for production. The well cellars were filled with water; no bubbling was observed. The wells were plumbed to 2 poly vent tanks that were not on additional secondary containment. There were 3 GPU's and produced water tanks onsite and in secondary containment.

There were 2 infiltration basins constructed at this pad. Both basins had some remaining ice in them. Some areas that were free from snow were well vegetated. Sections of filter sock remained in place around the site. The last logged E&S inspection was 1/14/19.

The Department recommends maintaining a proper inspection schedule and noting those inspections in the onsite log.

No violations noted.

Violations Commited

Inspection ID Violation ID Violation Date Date Resolved Violation Code Violation Type Violation Comments
2602959 787691 2017-06-09 78a73(b) Environmental Health & Safety
2602959 787692 2017-06-09 78a81(a)2 Environmental Health & Safety
2602959 787693 2017-06-09 78a85(a)5 Environmental Health & Safety
2602959 787694 2017-06-09 2018-10-18 78a85(c)2 Environmental Health & Safety
2606786 788684 2017-06-09 78a73(b) Environmental Health & Safety
2606786 788685 2017-06-09 78a81(a)2 Environmental Health & Safety
2606786 788686 2017-06-09 78a85(a)5 Environmental Health & Safety
2606786 788687 2017-06-09 78a85(c)2 Environmental Health & Safety
2606830 788702 2017-06-09 78a73(b) Environmental Health & Safety
2606830 788703 2017-06-09 78a81(a)2 Environmental Health & Safety
2606830 788704 2017-06-09 78a85(a)5 Environmental Health & Safety
2606830 788705 2017-06-09 78a85(c)2 Environmental Health & Safety
2614876 791248 2017-06-09 78a73(b) Environmental Health & Safety
2614876 791249 2017-06-09 78a81(a)2 Environmental Health & Safety
2614876 791250 2017-06-09 78a85(a)5 Environmental Health & Safety
2614876 791251 2017-06-09 78a85(c)2 Environmental Health & Safety
2616836 791690 2017-06-06 78a73(b) Environmental Health & Safety
2616836 791691 2017-06-06 78a81(a)2 Environmental Health & Safety
2616836 791692 2017-06-06 78a85(a)5 Environmental Health & Safety
2616836 791693 2017-06-06 78a85(c)2 Environmental Health & Safety
2624339 793873 2017-06-09 78a73(b) Environmental Health & Safety
2624339 793874 2017-06-09 78a81(a)2 Environmental Health & Safety
2624339 793875 2017-06-09 78a85(a)5 Environmental Health & Safety
2624339 793876 2017-06-09 78a85(c)2 Environmental Health & Safety
2624558 793976 2017-06-09 78a73(b) Environmental Health & Safety
2624558 793977 2017-06-09 78a81(a)2 Environmental Health & Safety
2624558 793978 2017-06-09 78a85(a)5 Environmental Health & Safety
2624558 793979 2017-06-09 78a85(c)2 Environmental Health & Safety
2670341 803925 2017-06-09 78a73(b) Environmental Health & Safety
2670341 803926 2017-06-09 78a81(a)2 Environmental Health & Safety
2670341 803927 2017-06-09 78a85(a)5 Environmental Health & Safety
2670341 803928 2017-06-09 78a85(c)2 Environmental Health & Safety
2670356 803934 2017-06-09 78a73(b) Environmental Health & Safety
2670356 803935 2017-06-09 78a81(a)2 Environmental Health & Safety
2670356 803936 2017-06-09 78a85(a)5 Environmental Health & Safety
2670356 803937 2017-06-09 78a85(c)2 Environmental Health & Safety
2695013 809023 2018-02-15 78a73(b) Environmental Health & Safety
2695013 809024 2018-02-15 78a81(a)2 Environmental Health & Safety
2695013 809025 2018-02-15 78a85(c)2 Environmental Health & Safety
2695013 809026 2018-02-15 78a81(a)2 Environmental Health & Safety

Penalties Applied

Violation ID Penalty ID Penalty Code Penalty Status Penalty Date Enforcement Date Penalty Amount Amount Collected
787691 354179 NOV - Notice of Violation
787692 354179 NOV - Notice of Violation
787693 354179 NOV - Notice of Violation
787694 354179 NOV - Notice of Violation
787694 368514 CACP - Consent Assessment of Civil Penalty COMP - Completed 10/18/2018 2018-10-18 $220,000.00 $220,000.00

For data sources see[6]

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 06/12/2017 06/25/2017 7283 8,433,730.0 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 Chief Oil & Gas Carrier/Base Fluid Listed Below
BIOC 11139A Nalco Champion Biocide Listed Below
Water 7732-18-5 100 85.7791 70,379,400.0
Formaldehyde 50-00-0 1 0.00001000 1
Ethanol, 2,2',2"-nitrilotris-, tris(dihydrogen phosphate) (ester), sodium salt 68171-29-9 30 0.00163 1340
Thiourea 62-56-6 1 0.00001000 1
Quaternary ammonium compound 68424-85-1 10 0.00252 2070
Water 7732-18-5 80 0.02019 16563
Alcohols, (C10-16), ethoxylated 68002-97-1 5 0.00327 2685
(Mineral oil) Light hydrotreated petroleum distillate 64742-47-8 30 0.01964 16110
Water 7732-18-5 85 0.14606 119836
Ammonium acetate 631-61-8 13 0.00851 6981
Alcohols, C12-14, ethoxylated 68439-50-9 5 0.00327 2685
Ethoxylated (C10-16) alcohols 68002-97-1 35 0.00005000 41
Ethylene glycol 107-21-1 30 0.00163 1340
Diethylene glycol mono-n-butyl ether 112-34-5 60 0.00009000 71
Hydrochloric acid 7647-01-0 15 0.02577 21148
Methanol, 67-56-1 5 0.00001000 6
Crystallilne silica 14808-60-7 100 13.9528 11,447,900.0
Ethanol 64-17-5 5 0.00126 1035
Water 7732-18-5 40 0.00218 1786
Acetophenone 98-86-2 1 0.00001000 1
Alcohols, C12-16, ethoxylated 68551-12-2 5 0.00327 2685
Glutaraldehyde 111-30-8 5 0.00126 1035
Unihib G GeoSafe Acid Inhibitor Listed Below
Hydrochloric Acid PVS Acidizing Listed Below
Unislick ST-50 CESI Chemical Friction Reducer Listed Below
SCAL 16484A Nalco Champion Scale Inhibitor Listed Below
Sand Sargent/Unimin Proppant Listed Below

For data sources see[7]

References

  1. ↑ "Permits Issued Detail Report". Pennsylvania Department of Environmental Protection. 2019-05-20. Retrieved 2019-05-21. 
  2. ↑ "Spud Data Report". Pennsylvania Department of Environmental Protection. 2019-04-30. Retrieved 2019-05-16. 
  3. ↑ "Oil and Gas Well Pad Report". Pennsylvania Department of Environmental Protection. 2019-05-20. Retrieved 2019-05-21. 
  4. ↑ "Oil and Gas Production Reports". Pennsylvania Department of Environmental Protection. 2019-03-31. Retrieved 2019-05-21. 
  5. ↑ "Oil and Gas Waste Reports". Pennsylvania Department of Environmental Protection. 2019-03-31. Retrieved 2019-05-21. 
  6. ↑ "Oil and Gas Compliance Report". Pennsylvania Department of Environmental Protection. 2019-05-20. Retrieved 2019-05-21. 
  7. ↑ "FracFocus Fracking Chemicals Database". 2019-04-02. Retrieved 2019-06-19. 
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