Heri Yanto Email and Phone Number

• Subsurface evaluation to increase production by proposing a Well Intervention for the Sungai Lilin Structure, the Jirak Structure targeting with 18 wells, and the Ramba Structure as many as 16 Wells. The realization of success for S well in Sungai Lilin Structure was 100% and R well in Ramba Structure was 103%.• Subsurface evaluation to increase production by proposing a Work Over Ramba Structure for 4 wells. The realization of success ratio for 2 wells in Ramba Structure were 263% and 163%.• Initiative to Fracturing X well in Ramba Structure in Efforts to Prove KLS Layers for future Ramba Structure Field Development.• Analyzing XPT, MDT, and LFA to determine the productive zone and prepare for completion job.• Preparing data for completion in Mangunjaya Structure.• Preparing data for AMORe 2023 and Gas Balance Zone 4 Area 1. • Take part in the Subsurface Team for evaluation and monitoring of RK WO/WI & Drilling Efforts to Increase the Economic Value of Jirak Structures.• Analyzing well test consist of JRK-253, MJ-142, SPA-23, and SPA-048.• Preparing for Field Development of Ramba and Sungai Lilin Field.• Being a part of the subsurface team (Huff and Puff Surfactant Injection and application of Stimulation Gun) for increasing economical Jirak’ Structure.• Become a member of the CIP Zone 4 Area 1 (LCR MJ) team who received the Gold Award at the CIIF Regional 1 event in 2023.

• Classified the reserves category (P1, P2, P3, C1, C2, C3).• Analyzed the Nodal Analysis BK-9 Well by using Prosper software.• Supported my supervisor to arrange the PRR, Adding Reserves, and Post Drill 2 wells documents.• Presented Post Drill Well BK-9 together with PHE ONWJ Team to PT. Pertamina EP Regional 2 Team.

Built well schematic (3 until 5 wells in a week) from drilling operation reports to Wellview software.

While working at PK LKFT UGM, I handled three plan of development projects, namely the Pertamina Hulu Rokan BEKASAP field, Pertamina Hulu Energi NSO field, and Pertamina Hulu Energy ONWJ. Roles and Responsibilities:1. Validated and analyzed well completions reports, analyzed drive mechanism by using Cole Plot Method.2. Analyzed OGIP and OOIP by using MBAL software based on Material Balance Method to validate static model and 3. Analyzed production performance by using OFM software and identified wells with high water cut problems by using Chan plot.4. Analyzed well test for 3 wells by using Ecrin software.

Roles and Responsibilities:1. Taught 100+ students about introduction of Plan of Development for the oil and gas field from exploration, reservoir simulation & prediction of reserves, drilling, production planning, manage development scenarios, and also economic analysis with application Production Sharing Contract Cost Recovery based on Indonesian Regulation. My main responsibility taught economic analysis such as application and regulation.2. Discussed about their final project “Plan of Development” for the final presentation and become the examiner in their final presentation.

Job Description:1. Analyzed reservoir fluid by using PVTP, determined OGIP by using MBAL software, analyzed deliverability test to determine AOFP by using an excel and pressure test to determine the characteristic of reservoir by using ecrin software, made the nodal analysis by using PROSPER, and did production forecast by using GAP. 2. Presented the final project to my field supervisor and others.3. The result of this project is reservoir can produce plateau rate 50 MMSCFD through remaining times 9 years and based on Perjanjian Jual-Beli Gas.

Roles and Responsibilities:1. Taught 100+ students that was divided some groups about theory of PVT Analysis, Pressure Test (PBU and PDD test), Pressure Derivative, Rate Test (Deliverability Test).2. Provided tutorial using the IHS well test software to analysis characteristic of reservoir and potential well rate.3. Discussed about their weekly case study and become the examiner in their final presentation.

UPN “Veteran” Yogyakarta SPE Student Chapter professional organization in UPN “Veteran” Yogyakarta. SPE was so passionate to reach its goals which were to attract SPE members to engage with all SPE board, creating the best teamwork, establishing a standard of excellence, and bridging the present to the future. Roles and Responsibilities:1. Listed inventory UPN SPE SC.2. Conducted 10+ time SPE Vacations aimed to increase the relationship among all the members.3. Coordinated to publish scratch of journalism art (SOJA) once a month with other departments in UPN SPE SC.4. Conducted English Class in collaboration with English conversation and discussion club (ECDC) organization in UPN “Veteran” Yogyakarta.

Roles and Responsibilities:1. Became actively involved as committee in 5+ work-programs of SPE UPN "Veteran"​ Yogyakarta Student Chapter. 2. Joined the members of SPE Magazine aimed to publish the current issue in the oil and gas sector.3. Listed inventory UPN SPE SC.

Public Relation in Student Council of Petroleum Engineering. Public Relation has to bridge all sorts of communication and interaction with other bodies of the organization, professionals, alumni, and other people in general. It was initially used to create more connection with outer parties of the organization itself.Roles and Responsibilities:1. Conducted 4 Graduations of Petroleum Engineering, with specific tasks of giving good impression on graduates and forge strong bonds between students and alumni.2. Conducted 10+ guest lecture and seminars including technical classes and professional classes.3. Attended Rapat Kerja Nasional Perhimpunan Mahasiswa Perminyakan Indonesesia (PERMAPI) to improve cooperation between Petroleum Engineering students, both activities carried out directly or indirectly,4. Followed 300+ students of senior high school Educational Fair 2019 in Indonesia especially Yogyakarta to introduce the world of college they will face in the future especially Petroleum Engineering UPN “Veteran” Yogyakarta.5. Benchmarked with other organizations in Mineral Technology Faculty to discuss about work program Student Council of Petroleum Engineering itself that had done and shared to others.6. Managed Student Council of Petroleum Engineering’s social media accounts such as IG, Facebook, Website, and email to share all activities.

Roles and Responsibilities:1. Assisted Minister of Public Relation to conduct 4 Graduations of Petroleum Engineering with specific tasks being giving good impression on graduates and forge strong bonds between students and alumni.2. Conducted 10+ guest lectures and seminars including technical classes and professional classes.3. Followed 1000+ students of senior high school Educational Fair 2018 in Indonesia especially Yogyakarta to introduce the world of college they will face in the future especially Petroleum Engineering UPN “Veteran” Yogyakarta.4. Managed all Social-Media of Student Council of Petroleum Engineering such as IG, Facebook, Website, and email to share all activities.

Roles and Responsibilities:1. Project manager of education fair 2017 held by SMA N 3 Yogyakarta to introduce campus life which they will face in the future especially Petroleum Engineering UPN “Veteran” Yogyakarta.2. Became actively involved as committee in 5+ work-programs of Student Council of Petroleum Engineering.3. Managed Social-Media of Student Council of Petroleum Engineering especially IG to share all activities.

Roles and Responsibilities:1. Taught 100+ students that was divided some groups about theory of PVT Analysis, Pressure Test (PBU and PDD test), Pressure Derivative, Rate Test (Deliverability Test).2. Provided tutorial using the IHS well test software to analysis characteristic of reservoir and potential well rate.3. Discussed about their weekly case study and become the examiner in their final presentation.

One-month internship program as a fulfillment of Practical Work Program with focus on Production Engineering, Surface Facilities, HSE, and workover & well-service at PT. Pertamina EP Asset 4 Field Cepu in Cepu.Roles and Responsibilities:1. Checked and assessed whether the wells had met safety and security standards2. Surveyed the road for rig movement and employees’ safety equipment when performing work on the field.3. Performed laboratory analysis such as B&SW by using Centrifuge and Oil gravity by using hydrometer & thermometer.4. Helped interpret the results of the cement bond log after squeeze cementing during the workover process.5. Analyzed and wrote scientific paper about Production Improvement Efforts by Doing Condensate Trap from Gas Flare on EPF (Early Production Facilities) Field “X” to become final report and publish it.

Muslims of Petroleum Engineering is an organization that is focused in all about Islam.Roles and Responsibilities:1. Prepared the Financial Proposals and financial accountability reports Activities2. Coordinated all financial processing activities and organizational wealth and account to the chairman.

Roles and Responsibilities:1. Prepared the Financial Proposals and financial accountability reports Activities2. Coordinated all financial processing activities and organizational wealth and account to the chairman.