API 6A Certified Solutions · Oil & Gas Upstream

PT. MEKANIKA
HIRARKI
SERAYA

Specialized products and service provider of wellhead, gate valve, and actuator solutions for the oil and gas upstream sector. Delivering high-quality products that meet API 6A specifications.

BP Berau
Ongoing Since 2021
TechnipFMC
Ongoing Since 2021
PHE
Pertamina Hulu Energi
10+
Notable Project References

API 6A
Products

API 6A Gate Valve

Full-bore and reduced-bore gate valves engineered for high-pressure, high-temperature wellhead applications. Built to API 6A standards for reliable upstream performance.

Specification
API 6A · PSL 1–4 · PR1 & PR2

API 6A Pneumatic Actuator

Spring-return and double-acting pneumatic actuators designed for fail-safe operation on surface wellhead gate valves. Precision-engineered for demanding field conditions.

Specification
API 6A · Spring Return · Double Acting

API 6A Hydraulic Actuator

High-thrust hydraulic actuators for remote operation of wellhead gate valves in subsurface-controlled or high-differential-pressure environments requiring precise actuation force.

Specification
API 6A · High Differential Pressure

Surface Wellhead & X-Mas Tree

Complete surface wellhead and Christmas Tree assemblies for onshore and offshore applications. Engineered for pressure containment, wellbore access, and production flow control.

Specification
API 6A · Onshore & Offshore

End-to-End
Well Services

Wellhead Department

Wellhead Inspection

Comprehensive condition assessment and integrity evaluation of wellhead components to ensure operational safety and compliance with industry standards.

Wellhead Maintenance

Scheduled and corrective maintenance programs including seal replacement, pressure testing, and valve servicing to maximize wellhead longevity and reliability.

Wellhead Installation

Expert installation of surface wellhead systems and Christmas Trees, executed by experienced engineers ensuring correct assembly and pressure-tested completion.

Well Department

Well Intervention

Downhole intervention operations to restore, optimize, or diagnose well performance without the need for a full workover rig, using light-intervention methods and tools.

Workover

Full workover operations including tubing replacement, pump installation, zone re-perforation, and stimulation treatments to restore declining well productivity.

Well Completion

End-to-end well completion services including perforation, casing installation, tubing assembly, and production testing, bringing newly drilled wells into productive operation.

Projects &
Clients

Notable Customers
BP
TechnipFMC
Pertamina Hulu Energi
Bunyu Tapa Energi
Asia Serv
Varley Indonesia
AMOS
Revolutek
Notable Projects
Client Project Type Location Year Photo
BP Berau Ltd Wellhead Maintenance Papua 2021 – Current Wellhead Maintenance BP Berau
PHE Wellhead X-Mas Tree Products Supply Offshore Northwest Java 2024
TechnipFMC Wellhead X-Mas Tree Products Supply Jakarta 2021 – Current
KSO Pertamina
PT. Bunyu Tapa Energi
Wellhead X-Mas Tree Products Supply Bunyu Island, North Kalimantan 2024 – Current
KSO Pertamina
PT. Bunyu Tapa Energi
Well Development (Workover) Bunyu Island, North Kalimantan 2024 – Current
KSO Pertamina
PT. Bunyu Tapa Energi
Wellhead Maintenance Bunyu Island, North Kalimantan 2024 – Current Wellhead Inspection Bunyu Tapa Energi
PT. Alloy Mas Oilfield Services Wellhead X-Mas Tree Products Supply Jakarta 2024
PT. Asia Serv Indonesia Wellhead X-Mas Tree Products Supply Tangerang 2024
PT. Varley Indonesia Wellhead X-Mas Tree Products Supply Tangerang 2024
PT. Revolutek Dananjaya Mandiri Wellhead X-Mas Tree Products Supply Cikarang 2024

Why Choose
MHS

PT. MHS is committed to delivering the highest quality products and services to our customers. All of our personnel are well known in the industry for their extensive experience of more than 30 years in product knowledge and technical expertise.

API 6A
Specification

All products meet rigorous API 6A specifications for wellhead and Christmas Tree equipment.

24 / 7
Support

Our technical team is available around the clock, because the oil & gas industry never stops.

30 +
Years Experience

Deep industry knowledge with personnel who have decades of field and technical experience.

SAFOCO
Exclusive Agent

Exclusive Indonesian representative for Safoco Inc., Houston TX — industry-leading gate valve and actuator manufacturer.

Contact
Us

Address

Jl. Cempaka No. 13-16 RT1 RW8,
Jatisampurna, Kota Bekasi,
Jawa Barat 17435, Indonesia

Fax

(+62) 21 845 93 262