公开(公告)号：US11686184B2

公开(公告)日：2023-06-27

申请号：US16901455

申请日：2020-06-15

Applicant: ExxonMobil Technology and Engineering Company

Inventor： Marco De Mattia ,  Mahsa Memarzadeh ,  Curtis J. Holub ,  Amr S. El-Bakry

IPC: E21B43/12 ,  E21B47/008

CPC classification number: E21B43/122 ,  E21B47/008 ,  E21B2200/20

Abstract: A method for producing hydrocarbons in a gas lift well is disclosed. A gas lift rate of the well is monitored while producing hydrocarbons according to an initial gas lift performance curve. One or more well performance parameters for the well are monitored. Disturbances in the well are detected while monitoring the well performance parameters. Transience in the well is modeled. A new gas lift performance curve is derived based on the detected disturbances, the modeled transience, and the initial gas lift performance curve. An optimal allocation of gas lift is determined from the new gas lift performance curve. Hydrocarbons are produced using the determined optimal allocation of gas lift.

公开(公告)号：US11674366B2

公开(公告)日：2023-06-13

申请号：US16436402

申请日：2019-06-10

Applicant: ExxonMobil Technology and Engineering Company

Inventor： Sumeet Trehan ,  Damian N. Burch ,  Amr S. El-Bakry ,  Peeyush Bhargava ,  Curtis J. Holub ,  Jose F. Zapata Usandivaras

IPC: E21B41/00 ,  E21B43/12 ,  E21B49/08 ,  E21B47/008

CPC classification number: E21B41/0092 ,  E21B43/128 ,  E21B47/008 ,  E21B49/08 ,  E21B49/0875

Abstract: A method of predicting hydrocarbon production from one or more artificial lift wells is disclosed. Measurements and/or well test data are obtained from one or more artificial lift wells representing well performance at more than one time period. A statistical model, representing well performance, is generated. Using the statistical model and the measurements and/or well test data, real-time production of the one or more artificial lift wells is predicted and a measure of confidence is generated. Potential optimization opportunities are identified for well performance based on the predicted real-time production of the one or more artificial lift wells. The optimization opportunities are outputted. Hydrocarbon production activities are modified using the optimization opportunities.