Höegh Esperanza FSRU – Flawless LNG Sampler inspection

In the second quarter of 2023 Analytical Solutions and Products (ASaP) completed an LNG Sampler System for the Höegh Esperanza (FSRU Floating Storage Regasification Unit). Including probe vaporizers, LNG sampling cabinet, preventive maintenance operating system, natural gas analyzers, and calibration gas facilities.

We would like to thank Höegh LNG for their order and putting confidence in our company. In cooperation with Höegh the LNG Sampling System is completed successfully.

In the picture from left to right: ASaP’s project engineer Bart Berkhout, testing engineer Peter Kearney, and third-party inspector Rob de Ruiter from DNV. No error was found during de inspection. A flawless system is delivered to the end customer.

Höegh Esperanza FSRU - ASaP LNG Sampling System FAT Factory Acceptance Test - From ASaP Bart Berkhout and Peter Kearney

Höegh Esperanza FSRU – ASaP LNG Sampling System

The LNG Sampling System for the Höegh Esperanza FSRU consists of following main items.

  • Two LNG probes and vaporizers. The Phazer is ASaP’s brand name for a combined LNG probe-vaporizer with its patented active sub-cooling. The Phazer prevents partial- and pre vaporization of LNG under all circumstances and ensuring the best analytical performance. The Phazers are controlled locally from the LNG sampling system. LNG extraction probe with integrated sub-cooled section, ensuring a bubble free and 100% liquid transportation to the vaporizer.
  • One basic intermittent LNG Sampling System, according to ISO 8943. The LNG sample cylinders are mounted in a stainless-steel cabinet. The system supports multiple streams and automatic stream switching. The system is suitable to be installed in ATEX Zone 1.
  • Natural gas chromatographs to measure the composition of the LNG vaporized sample.
  • Preventive maintenance operation system AIM. The Analytical Information Module: it is a combined package for controlling and monitoring all parameters of the ASaP LNG custody transfer system. It also is a continuous and online performance monitoring tool for the complete LNG custody transfer system. It also monitors performance of all individual instruments of the system like gas chromatographs, and detectors.

A great addition is the preventive maintenance software. Since all parameters of the system are monitored, it is easy to set trigger for maintenance indicators. By controlling preventative maintenance, the risk and changes of systems errors are reduced to an absolute minimum.

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Höegh Esperanza FSRU: An Overview

In 2015, the distinguished FSRU ship, Höegh Esperanza, began its journey when an order was placed with Hyundai Heavy Industries in South Korea. The keel for Höegh Esperanza was laid on December 28, 2015, marking a significant milestone. By March 17, 2017, the ship made its grand launch, and it was finally delivered to its proud owner on April 5, 2018.

Shortly after its inception, the Höegh Esperanza was chartered by CNOOC Gas & Power Trading and Marketing in June 2018. This chartered service commenced in November 2018 at the bustling Port of Tianjin.

In 2019, AGL Energy, a prominent Australian energy company, had plans to utilize the Höegh Esperanza for a decade at the proposed LNG terminal Crib Point, located on the Mornington-Halbinsel south of Melbourne. However, due to environmental concerns, the terminal project didn’t receive the green light from authorities in March 2021.

Höegh Esperanza FSRU ship moored in docks  - ASaP LNG Sampling System
Höegh Esperanza moored in the Wilhelmshaven.

Höegh Esperanza and Its Role in Wilhelmshaven

By May 5, 2022, an announcement from Höegh LNG Holdings revealed that they signed crucial contracts with the German Federal Ministry for Economic Affairs and Climate Action. This contract centered on chartering two FSRUs, including the illustrious Höegh Esperanza, for a ten-year operation in Germany. This move is a testament to the Höegh Esperanza’s capabilities, ensuring a continuous capacity of 5 billion cubic meters per annum of LNG.

An Insight into Höegh Esperanza’s Specifications

Delving into the specifics, the Höegh Esperanza boasts an impressive 110,499 GT measurement, complemented by its 290 m length and 46 m breadth. Its deadweight tonnage stands at a noteworthy 92,217 tdw. Propelling this mammoth vessel is a state-of-the-art dual-fuel diesel-electric system, fortified with four dual-fuel Wärtsilä-Italia W8L50DF engines. As a contingency measure, the Höegh Esperanza has a backup Cummins KTA 38D emergency diesel engine.

Designed for optimal versatility, the Höegh Esperanza supports both open and closed regasification operations. Its GTT Mark III membrane tanks can hold an impressive 170,000 m³ of liquefied natural gas. Furthermore, the ship boasts two auxiliary boilers and four exhaust boilers, ensuring efficient heat utilization. Upholding rigorous standards, the Höegh Esperanza has received classification from the reputable ship classification society DNV.

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Custody Transfer

Service engineer Vinicius Rossetti with ASaP LNG Sampler with AIM predictive maintenance software

Cryogenic Sampling

ASaP LNG Sampler and the Phazer LNG-Probe Vaporizer

Natural gas analyzers

Process gas chromatograph analyzers PGCs ABB NGC8206 Yokogawa GC8000 Honeywell EnCal 3000 Emerson Rosemount 370xa Process gas chromatograph analyzers PGCs

Mercury sampling

Integrated Mercury sampling HMI with intuitive user software

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Contact our Höegh Esperanza specialist directly

You can contact us is you have a question about Höegh Esperanza when it suits you. See our specialist’s contact information below.

Hans-Peter Visser - ASaP - Address and contact persons





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Höegh Esperanza practical solutions

With Höegh Esperanza ASaP offers practical total solutions. The well-established and complementary ASaP analytical package of services and products is an important contribution to the right solutions for your analytical needs. Moreover, the team spirit and the cooperation with specific partners give us the opportunity to design, build, locally install and commission tailor made sample probes, analyzer systems and shelters for you. All these products and systems can be built according to the latest industry guidelines and certifications.

ASaP is the reputable provider of analytical solutions; We can provide you with a full-service package for including engineering, manufacturing, software development, offshore service, gas analyzers, system integration, and cutting-edge bio-LNG or LNG Custody Transfer Systems (CTMS), LNG Probe-Vaporizers, advanced LNG Sampling Systems, and precise natural gas analysis systems. You are kindly invited to consult our team about Höegh Esperanza or any analytical challenge!

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