Directive 065: Resources Applications for Oil and Gas Reservoirs ...

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3.1.7 Explanatory Notes to Determine If the DE or SD Processes May Be Utilized 1. Are the pools involved already approved for commingling in the well? To answer this question, the list of pools approved for commingling, as identified in the fieldbased MU orders, must be checked. An evaluation needs to be made as to whether each productive interval in the well proposed for commingling is currently part of an existing pool as defined by the ERCB. If each interval proposed for commingling is within the boundaries of existing pools as defined at the time the licensee is conducting its evaluation and these pools are already approved for commingling, production from the pools may be commingled in the subject well without any notice to the ERCB. Commingled production must be reported to the Registry using the existing commingled production code for the pools involved. If at the time of the evaluation, the pools in the well have not been approved for commingling as set out in the field-based MU orders, the licensee may proceed to use the DE or SD decision tree to determine whether the well is a candidate for commingling through the DE or SD process. If the well is a candidate for commingling using the DE or SD process, production may be commingled in the wellbore immediately. Commingled production must be reported to the Registry using the DE or SD code available for each field, and the licensee must operate within the DE and SD criteria at all times. If the proposed commingling does not meet the criteria for either DE or SD commingling and commingling is desired, an application in accordance with Section 3.1.8 of Directive 065 must be submitted. 2. Are there any intervals proposed for commingling that are not within the area or stratigraphic interval of the DE? To answer this question, the licensee must confirm if the well and intervals proposed for commingling are within the area and stratigraphic interval of the related DE. This information is provided on the order for each DE, which is available on the ERCB Web site www.ercb.ca under Industry Zone : Rules Regulations Requirements : Management of Commingling in the Wellbore. If the well is outside the area of the DE or there are any perforated intervals within the wellbore that are outside the stratigraphic interval of the DE, the well is not permitted to commingle production under the DE process. If commingling of production is desired in this circumstance, the licensee may proceed to the SD decision tree and determine if the proposed commingling meets the criteria for SD commingling. If the proposed commingling does not meet the criteria for either DE or SD commingling and commingling is desired, an application in accordance with Section 3.1.8 of Directive 065 must be submitted. 3. If there are any perforations above the BGWP, is it anticipated that there would be water production equal to or greater than 5 m3/well/month from all intervals in the well? A licensee may determine whether any interval proposed for commingling is above BGWP from the data provided in ERCB ST55: Alberta’s Base of Groundwater Protection (BGWP) Information. The volume of 5 m 3 /well/month is proposed as a practical cutoff to allow for small volumes of water, including water of condensation that may periodically need to be cleaned out of the well. 3-14 • ERCB Directive 065: Resources Applications / Commingled Production (October 2011)
If it is anticipated that water volumes equal to or greater than 5 m 3 /well/month could be produced from any or all intervals in the well that has perforations above the BGWP, a licensee may not commingle production using the DE or SD process. If an existing well that is to be recompleted for commingled production has produced greater than 5 m 3 /well/month of water from the well in any of the last 12 months, a licensee may not commingle production using the DE or SD process. If the licensee wishes to commingle production in this circumstance, an application in accordance with Section 3.1.8 of Directive 065 must be submitted. The application must provide a case that water produced with commingled production will not contaminate groundwater or adversely impact the recovery of gas from coals. Licensees should note that commingling of production in wells with completions above the BGWP that have actual or anticipated water production equal to or greater than 5 m 3 /month conflicts with Directive 044. Licensees must also ensure that operations comply with the AENV Water Act, taking particular note that non-saline water may not be produced without a groundwater diversion permit, non-saline aquifers may not be mixed, and saline and non-saline aquifers may not be mixed. 4. Are there any water wells within a 600 m radius with a total depth less than 25 m from the top of the perforations of the well proposed for commingling? This requirement has consideration for Directive 027: Shallow Fracturing Operations— Interim Controls, Restricted Operations, and Technical Review and for AENV’s Standard for Baseline Water—Well Testing for Coalbed Methane/Natural Gas in Coal Operations, April 2006. If the situation as illustrated below exists, the licensee may not commingle production using the DE or SD process. If the licensee wishes to commingle production in this circumstance, an application in accordance with Section 3.1.8 of Directive 065 must be submitted. ERCB Directive 065: Resources Applications / Commingled Production (October 2011) • 3-15
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Directive 065 Revised edition Octob
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6.2 When to Make This Application .
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How to Use This Directive Introduct
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filing applications All other secti
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Gas Conservation Act, Oil and Gas C
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Figure 2. Resources Applications Ev
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DAY MONTH YEAR Resources Applicatio
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Resources Applications Notification
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Table 1. Minimum notification requi
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Unit 1 Equity 1.1 Application for a
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Requirements Comments ii) interpret
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Requirements Comments It is not usu
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51(4)(b), 55(2), and 56, although e
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Requirements Comments vi) the scale
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Requirements b) a statement of the
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1.3 Application for a Common Carrie
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Requirements b) the name of the com
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Requirements Comments iii) completi
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Requirements b) a statement of the
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1.4 Application for a Common Proces
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Requirements 2) A statement of whet
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Requirements wellbore(s), with date
Page 45 and 46: Requirements Comments into an alloc
Page 47 and 48: 1.5 Application for a Compulsory Po
Page 49 and 50: Requirements 3) A statement of the
Page 51 and 52: Requirements ii) interpretation of
Page 53 and 54: Unit 2 Conservation 2.1 Application
Page 55 and 56: The ERCB will issue its disposition
Page 57 and 58: • The holder of the ER approval m
Page 59 and 60: • The proposed injection wells ha
Page 61 and 62: 3) What is the existing ERCB approv
Page 63 and 64: important to enter the correct iden
Page 65 and 66: YES means that your pool interpreta
Page 67 and 68: 2) the expected sweep efficiencies
Page 69 and 70: Along with the stage of reserves re
Page 71 and 72: If the proposed ER scheme is for a
Page 73 and 74: 3) the forecast annual gas injectio
Page 75 and 76: 2.4 Application for Concurrent Prod
Page 77 and 78: Requirements d) the supporting data
Page 79 and 80: 2.5 Application for Pool Delineatio
Page 81 and 82: Requirements c) an interpreted and
Page 83 and 84: Unit 3 Production Control 3.1 Commi
Page 85 and 86: 3.1.3.4 Compliance Assurance With t
Page 87 and 88: • varying interests, and • off-
Page 89 and 90: 3.1.4 Determination of Commingling
Page 91 and 92: Figure 3.2 Decision Tree for the Co
Page 93 and 94: Figure 3.3. Decision Tree to Determ
Page 95: Figure 3.4. Decision Tree to Determ
Page 99 and 100: commingling a minimum of 15 working
Page 101 and 102: If commingling is desired for pools
Page 103 and 104: Table 3.2 Summary of Requirements f
Page 105 and 106: Requirements • an evaluation of t
Page 107 and 108: Requirements 4) If there are perfor
Page 109 and 110: Requirements c) a tabulation of the
Page 111 and 112: Requirements 18) Identification of
Page 113 and 114: 3.2 Background to Good Production P
Page 115 and 116: Requirements Comments d) a tabulati
Page 117 and 118: Requirements Comments more informat
Page 119 and 120: 3.5.1 Requirements for an Applicati
Page 121 and 122: 3.6.3 How the ERCB Processes the Ap
Page 123 and 124: Requirements Comments b) the predic
Page 125 and 126: Requirements Comments considered to
Page 127 and 128: Unit 4 Disposal/Storage 4.1 Applica
Page 129 and 130: Requirements Comments c) porosity a
Page 131 and 132: Requirements 11) A tabulation of yo
Page 133 and 134: Equity—Class II-IV Only Disposal
Page 135 and 136: Requirements Comments 5) A discussi
Page 137 and 138: Requirements porosity, and water sa
Page 139 and 140: Requirements 2) For non-H 2 S gas d
Page 141 and 142: Notification—Equity and Safety Re
Page 143 and 144: Requirements Comments i) stratigrap
Page 145 and 146: Pool Reserves and Deliverability In
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Environment and Safety The ERCB is
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Unit 5 Corporate Changes 5.1 Change
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Unit 6 Gas and Ethane Removal 6.1 B
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6.3.3 Short-Term Ethane Removal App
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Requirements Comments If an existin
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Requirements Comments authorized”
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Requirements • the zone or zones
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Requirements Comments 3) Permit(s)
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Unit 7 Application for Special Well
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Oil The baseline well density for o
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If the ownership within a holding i
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7.2.6 When to File a Spacing Applic
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ack to the Crown. Applications to r
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7.3.1.5 Outstanding Objections All
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• In the case of a commingled wel
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3) The applied-for well density mus
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7.4.6 ERCB Spacing Application Deci
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7.6 Explanatory Notes for Applicati
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7.6.2.4 Application Details 1) What
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Table 7.2. Production and volumetri
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Appendix A References How to Use Th
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Unit 4—Disposal/Storage 4.1 Class
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Appendix B Notification Templates S
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Sample Notice Letters for Commingli
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Sample Template of Notification Let
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Appendix C Application for Gas-Oil
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Appendix D Transfer of Approval AGR
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Appendix E ERCB Staff Contacts* UNI
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Appendix F Enhanced Recovery (ER) S
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Resources Enhanced Recovery (ER) Sc
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10. Provide the following for the p
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Appendix G Gas and Ethane Removal F
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Short-Term Gas Removal Application
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This application is made under Sect
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Long-Term Gas Removal Application (
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Short-Term Ethane Removal Applicati
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Appendix H Gas Reserve Data Sheet E
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Appendix I EAS Well Spacing Applica
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New Spacing Application—Holdings
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Completing the New Spacing Applicat
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• 1 Section • Limited by Buffer
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New Spacing Application—Special D
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Completing the New Spacing Applicat
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Rescind Spacing Application—Holdi
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Completing the Rescind Spacing Appl
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Rescind Spacing Application—Speci
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Completing the Rescind Spacing Appl
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Modify Spacing Application—Holdin
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Completing the Modify Spacing Appli
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Appendix J Special Well Spacing Not
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ERCB that you do not want to appear
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OR As [Company] is the lessee of yo
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Appendix K Special Well Spacing Att
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Lessee Map and Notification Area Sh
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Appendix L Standard Target Areas an
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Appendix M Target Area Descriptions
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Appendix N Special Well Spacing Dec
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DECLARATION OF NOTIFICATION _______
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