Company Filing History:
Years Active: 2017-2023
Title: Innovations by Gisle Stjern
Introduction
Gisle Stjern is a notable inventor based in Trondheim, Norway. He has made significant contributions to the field of well plugging and pressure testing, holding a total of 5 patents. His innovative methods have advanced the techniques used in the oil and gas industry, particularly in the safe abandonment of wells.
Latest Patents
One of Gisle Stjern's latest patents is a method of plugging and pressure testing a well. This method facilitates the temporary or permanent abandonment of a well extending into a formation. It involves conveying a plug placement and verification tool (PPVT) through the well to a designated plug formation location. The PPVT includes a stinger for delivering a plugging material into the well, an expandable packer at one end of the stinger, and a pressure sensor located below the expandable packer. The process includes operating the expandable packer to form a seal in the well above the pressure sensor. Subsequently, a plugging material is delivered from the stinger into a region of the well above the expandable packer, forming a plug. Finally, a pressure change is created above the plug, and the integrity of the plug is verified using the pressure sensor.
Career Highlights
Gisle Stjern has worked with prominent companies in the energy sector, including Statoil Petroleum AS and Equinor Energy AS. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in well management technologies.
Collaborations
Throughout his career, Gisle has collaborated with talented professionals such as Halvor Kjørholt and Gjermund Grimsbo. These partnerships have fostered innovation and enhanced the development of his patented methods.
Conclusion
Gisle Stjern's contributions to the field of well plugging and pressure testing demonstrate his commitment to innovation and safety in the oil and gas industry. His patents reflect a deep understanding of the complexities involved in well management, making him a valuable figure in his field.