There are many mud logging companies in the world :
- Geoservices (which was bought by SLB)
- Halliburton Mud logging company
- Baker Huges Mud logging company
- Weatherford Mud logging company
- CNPC Mud logging company
- Sinopec Mud logging company
- ………
ChinaMudLogging.com (CML) is a specialist oilfield mud logging products and services company with a focus on providing customers safe, and more technically advanced geological, surface formation evaluation, drilling monitoring, and light well intervention products and services.