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Form 3160-5 UNITED STATES FORM APPROVED OMB No. 1004-0137 (June 2019) DEPARTMENT OF THE INTERIOR Expires:October 31,2021 BUREAU OF LAND MANAGEMENT 5.Lease Serial No. COC-0119986 SUNDRY NOTICES AND REPORTS ON WELLS 6.If Indian,Allottee or Tribe Name Do not use this form for proposals to drill or to re-enter an abandoned well. Use Form 3160-3(APD)for such proposals. SUBMIT IN TRIPLICATE-Other instructions on page 2 7.If Unit of CA/Agreement,Name and/or No. 1.Type of Well ❑Oil Well ❑ Gas Well ©Other 8.Well Name and No.BG 1 2.Name of Operator Natural Soda LLC 9.API Well No. 3a.Address 3200 Rio Blanco County Rd 31 3b.Phone No.(include area code) 10.Field and Pool or Exploratory Area Rifle,CO.81650 (970)878-3674 Piceance Creek Basin 4.Location of Well(Footage,Sec., T.,R.,M.,or Survey Description) 11.Country or Parish,State 382.3 FNL,748.2 FWL,S35,T1S,R98W,6th PM Rio Blanco County,CO 12.CHECK THE APPROPRIATE BOX(ES)TO INDICATE NATURE OF NOTICE,REPORT OR OTHER DATA TYPE OF SUBMISSION TYPE OF ACTION ❑Notice of Intent ❑Acidize ❑Deepen ❑Production(Start/Resume) ❑Water Shut-Off ❑Alter Casing ❑Hydraulic Fracturing ❑Reclamation ❑Well Integrity ❑✓ Subsequent Report ❑Casing Repair ❑New Construction ❑Recomplete ❑Other ❑Change Plans ❑✓ Plug and Abandon ❑Temporarily Abandon ❑Final Abandonment Notice ❑Convert to Injection ❑Plug Back ❑Water Disposal 13. Describe Proposed or Completed Operation:Clearly state all pertinent details,including estimated starting date of any proposed work and approximate duration thereof.If the proposal is to deepen directionally or recomplete horizontally,give subsurface locations and measured and true vertical depths of all pertinent markers and zones.Attach the Bond under which the work will be performed or provide the Bond No.on file with BLM/BIA.Required subsequent reports must be filed within 30 days following completion of the involved operations.If the operation results in a multiple completion or recompletion in a new interval,a Form 3160-4 must be filed once testing has been completed.Final Abandonment Notices must be filed only after all requirements,including reclamation,have been completed and the operator has determined that the site is ready for final inspection.) All depths are referenced to GL.The BG-1 well reached the end of its useful life and has been plugged and abandoned. The nitrogen lift sampling pump and all associated tubing was pulled out of the well. A 3.75-inch tri-cone bit was advanced down the well to drill-out a cast iron bridge plug at a depth of 1,559 feet below ground level(BGL). The hard cement plug was drilled from 1,699 feet to 1,700.5 feet to gauge the consistency of the plug.Fluid in the well was air lifted(with foam)from a depth of 1,700.5 feet. The casing was then cleaned with a 4.5-inch casing scraper to 1,700 feet. A cement bond log (CBL)was run from a depth of 1,690.5 feet to identify perforation zones. The 4.5-inch casing was perforated at 1,305, 1,150,966,585,250,and 50 feet BGL with 3 shots per foot and 120 degree phasing. All cement plugs were placed using the balance method. Plug 1 cement consisted of 16.8 bbls(73.5 sks)of 14.3 lb/gal Portland Type 1/II cement and was pumped in three lifts:355 gallons of cement at a depth of 1,680 feet,200 gallons at 1,380 feet,and 150 gallons at 1,180 feet. Plug 1 was allowed to set 18.5 hours,after which the top of cement was tagged at 813 feet. Plug 2 cement consisted of 17.9 bbls(77.9 sks)of 14.3 lb/gal Portland Type 1/II cement and was pumped in two lifts,the first lift of 400 gallons from 800 feet,and the second lift of 350 gallons from 600 feet to surface. The calculated volume of 1,700.5 feet of 4.5-inch OD cased hole was 26.4 bbls(148.2 cu ft).A total of 34.6 bbls(151.4 sks, 194.4 cu ft)of cement,31.1%excess,was used to plug and abandon the BG-1 well to surface. The BG-1 plug and abandonment was completed on 9/21/22. For additional information please see attached As-Built Plug and Abandonment diagram. 14.I hereby certify that the foregoing is true and correct. Name(Printed/Typed) Gerald J.Daub Title President,Daub&Associates,Inc. Signature Date THE SPACE FOR FEDERAL OR STATE OFICE USE Approved by Title Date ------------------------------------------------------------------------ Conditions of approval,if any,are attached.Approval of this notice does not warrant or certify that the applicant holds legal or equitable title to those rights in the subject lease Office which would entitle the applicant to conduct operations thereon. Title 18 U.S.0 Section 1001 and Title 43 U.S.0 Section 1212,make it a crime for any person knowingly and willfully to make to any department or agency of the United States any false,fictitious or fraudulent statements or representations as to any matter within its jurisdiction. (Instructions on page 2)