Patents by Inventor Potchara Promwikorn

Potchara Promwikorn has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Bypass gaslift system, apparatus, and method for producing a multiple zones well
    Patent number: 8418768
    Abstract: The present invention relates to a system, apparatus, and method provided to selectively produce petroleum fluid from multiple production zones well. The apparatus comprises a casing running downwardly into the well and a tubing string running in the casing. The upper and lower sealing mechanisms are provided for sealing the annular space between the casing and the tubing string, therefore, dividing the well into upper and lower production zones. Moreover, the invention comprises a bypass gaslift system provided with a tubular member, tubing string, connecting means and side pocket mandrels for injecting lifting gas into the multiple production zones well. The system and apparatus according to this invention can selectively operate to simultaneously or separately produce petroleum fluid from vertical apart multiple zones well.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: April 16, 2013
    Assignee: PTT Exploration and Production Public Company Ltd.
    Inventors: Somchai Manopinives, Pramote Phloi-montri, Suraphong Iamchula, Kanit Sangwongwanich, Pairoj Rangponsumrit, Suwan Umnuayponwiwat, Thamarat Pairintra, Pattana Pittrapan, Suwin Sompopsart, Wararit Toempromraj, Kittithuch Hnuruang, Nithipoom Durongwattana, Amnuay Prayadsup, Potchara Promwikorn, Thanawee Kreethapon, Chatchai Kongdachudomkul