Accurate pressure measurement is a fundamental requirement in oil, gas, and subsea downhole applications.

Operating in some of the most extreme environments on Earth, these industries rely on precise data to ensure efficiency, safety, and equipment longevity.

Equipment integrity and safety depend on precise pressure data. Downhole environments expose tools and machinery to extreme pressures, high temperatures, and corrosive substances. If pressure fluctuations go undetected or are miscalculated, critical components such as casing, tubing, and valves may fail. This can lead to catastrophic wellbore collapses, environmental damage, and costly downtime.

Another critical aspect is real-time decision-making. Modern oil and gas operations rely on advanced digital monitoring systems to assess well conditions instantly. A slight deviation in pressure readings can indicate potential issues such as leaks, blockages, or unexpected reservoir changes. Rapid detection allows for timely interventions, reducing operational risks and maintenance costs.

In subsea applications, where wells are often drilled at great depths, hydrostatic pressure and pressure balance become even more crucial. Ensuring that wellbore pressure is correctly controlled prevents dangerous blowouts, which occur when uncontrolled hydrocarbons surge to the surface due to a pressure imbalance. Conversely, excessive pressure control can cause formation damage, reducing the permeability of the rock and making extraction more difficult.

The HI5000 downhole pressure transmitter from ESI Technology addresses these challenges effectively. Its compact design, with a maximum length of 57mm, allows for easy integration into downhole tools where space is limited. Constructed from NACE-certified titanium alloy, the HI5000 offers exceptional corrosion resistance, ensuring durability in harsh and corrosive environments.

At the heart of the HI5000 is ESI’s unique Silicon-on-Sapphire (SoS) sensor technology. This advanced design features a piezoresistive silicon strain gauge circuit epitaxially grown onto a sapphire diaphragm, forming a single crystalline structure. This configuration provides high sensitivity and stability, allowing the sensor to withstand high shock and vibration inputs typical in downhole operations. The sapphire element is molecularly bonded to a titanium sub-diaphragm, enhancing its ability to endure high over-pressures and offering superb corrosion resistance. The sensor exhibits virtually no hysteresis and maintains excellent long-term stability across wide temperature ranges. ​

The HI5000 operates effectively in high-temperature environments up to 200°C and can measure pressures up to 2,000 bar. Its all-welded and sealed construction ensures reliability under extreme conditions.

Incorporating the HI5000 into downhole operations enhances the accuracy and reliability of pressure measurements, leading to improved decision-making and operational efficiency. Its robust design and advanced sensor technology make it a dependable solution for the demanding conditions encountered in oil, gas, and subsea environments.

In conclusion, accurate pressure measurement is vital for maintaining efficiency, safety, and environmental protection in oil, gas, and subsea downhole applications. Reliable data ensures optimal resource extraction while mitigating the risks associated with extreme downhole conditions.

If you are looking for high-quality pressure transmitters tailored to your needs, ESI Technology provides industry-leading solutions with advanced engineering and robust designs. Contact us to find the perfect solution for your application.