1. The University of Texas System (9 from 5,474 patents)

2. Saudi Arabian Oil Company (8 from 6,946 patents)

3. Other (2 from 832,966 patents)

1. 9382791 - Expert systems for well completion using bayesian decision networks including a fluids damage and temperature effects uncertainty node, a perforation considerations uncertainty node, a perforation analysis uncertainty node, and a perforation type decision node

2. 9376905 - Expert systems for well completion using Bayesian probabilities, open hole gravel pack types, gravel pack design details, open hole gravel packs, and completion types

3. 9371726 - Expert systems for well completion using Bayesian probabilities, and a packers consequence node dependent on wellbore fluids, hydrocarbon types, completion fluids, packers decision, and treatment fluids nodes

4. 9366130 - Expert system for well completion using bayesian probabilities and a consequences node dependent on the zonal isolation types, reliability level, cost level, productivity level, the completion type, and the junction classification decision nodes

5. 9366129 - Expert systems for well completion using bayesian decision networks with a multilateral junction design, and a junction classification decision node

6. 9202175 - Systems and methods for an expert system for well control using Bayesian intelligence

7. 9202169 - Systems and methods for drilling fluids expert systems using bayesian decision networks

8. 9140112 - Systems and methods for expert systems for well completion using Bayesian decision models (BDNs), drilling fluids types, and well types

9. 6499540 - Method for detecting a leak in a drill string valve

10. 6474422 - Method for controlling a well in a subsea mudlift drilling system

11. 6394195 - Methods for the dynamic shut-in of a subsea mudlift drilling system