David Ray Sellers JR.

Follow

Person

Pearland, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multi-layered temperature responsive pressure isolation device
- Patent number 9,540,900
- Issue date Jan 10, 2017
- Halliburton Energy Services, Inc.
- David Ray Sellers
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MULTI-LAYERED TEMPERATURE RESPONSIVE PRESSURE ISOLATION DEVICE
- Publication number 20150218903
- Publication date Aug 6, 2015
- HALLIBURTON ENERGY SERVICES, INC.
- David Ray Sellers
- E21 - EARTH DRILLING MINING