2023 Geothermal Well Concept & Planning.pptx

basic

1. Build Org Capability . Identify and economically frame opportunities. Conduct Rig Market Survey Map Drilling services requirement (supporting services) Review & identify National & provincial relevant legislation & regulations Identify related permits and licenses Conduct the Environmental Baseline assessment (EBA) Project Risk assessment 1. Sub-Surface Evaluation I Resourcing Plan Project Delivery Schedule Rig & Drilling services Contracting Strategy Pre - Well Design Offset Well Analysis Pre - Cost Estimate Compliance & Regulatory Register Permitting & License Register Project Risk Register 1 Complete Well Design Drilling HAZID workshop Prepare Safety Case Site Preparation Procure all the major services Continue building Org Capability Obtain permit and license approvals Project Risk Assessment 3 Rig Contractor HSSE audit Sub-Surface Evaluation III Final BOD QA/QC Plan Drilling Rig Contract Drilling services Contracts Well Logistics Plan Site Preparation Report Well HSSE Plan Safety Case HSSE Bridging Document License & permit approvals Project Risk Register 3 Project budget and Cost Estimate & well AFE Determine Contracting Strategy Evaluate Logistical options Procure the Drilling Rig & Drilling Support Services Procure LLI Continue building Org Capability Prepare Project HSSE Plan Project Risk Assessment 2 Obtain permit and license approvals Sub-Surface Evaluation II Risk Register Basis Of well Design BOD. Drilling Rig Contracted Pre-Logistics Plan Project Delivery Schedule Well AFE (well and LLIs) Logistic Basis of Design Environmental Baseline assessment (EBA) Report Project HSSE Plan License & permit approvals Project Risk Register 2 DWOP Workshop (Operations on Paper.) Obtain all permit and license approvals Finalize Programs Rig Start-Up Prepare Site Specific Documents Rig Audit & Inspection Mobilization plan (personal, Materials & Equipment's Drilling Program Lessons Learned Register Rig & Equipment Load out List Close out Rig Audit and Inspection action items DWOP Obtain All relevant License & permit approvals Mobilization plan document (personal, Materials & Equipment STAGE 1 STAGE 2 STAGE 4 STAGE 3 ACTIVITIES DELIVERAB LES Drilling Well Management System (DWMS) Stage Gate Process

2. Drilling Stages and Deliverables Well Proposal Offset Well Review Well Objective and basic well design Contracting Strategy Initial Well cost License and Permitting Register Basic Risk Register Location Survey and Site Preparation planning Concept Selection Basis of Design Well AFE (detailed well cost) Logistical Plan HSSE Plan Contract & Tendering Process License and Permitting Register 2 Site Preparation & Access Road works Drilling Program Formation Evaluation Program HSSE Program Equipment & Material Load Out List Finalised Drilling, Material and Services Contracts

3. Subsurface Gate Deliverables Preliminary Well target coordinate Number of reservoir targets Preliminary key seismic surface map Regional geology cross-section Geological cross-section on well location ( Preliminary Well Top Prognosis Offset Well analysis Preliminary pore pressure prediction & temperature profile Well target coordinate Key seismic surface map Regional geology cross-section Geological cross-section on well location Well Prognosis Pore pressure prediction & temperature profile Geo-hazard identification Data acquisition plan Updated well target coordinate (if necessary) Updated geological cross-section on well location (if necessary) Updated pore pressure prediction & temperature profile (if necessary) Geo-hazard identification & mitigation plan Final data acquisition plan Well forecast Well testing design

4. Drilling Project High-Level Schedule

5. Drilling Project Detailed Schedule Example

6. Drilling Project Detailed Schedule Example

7. Drilling Project Illustration Example