Assignment of Assignor's Interest

Recorded: 2016-02-15 Received: 2016-02-15 Pages: 5

Assignor

C&J WELL SERVICES, INC.

Executed: 2015-12-31

Assignee

CJ LUX HOLDINGS S.À R.L.

15, RUE EDWARD STEICHEN, LUXEMBOURG, LUX, L-2540, LUXEMBOURG

Covered Properties (5)

Boron-Containing Oil Well Fracturing Fluid

Application: 14/671,532 →

Carboxylated Cellulose Polymers for Use in Hydraulic Fracturing Operations

Application: 14/622,362 →

PCT: PCTUS2015015888 ↗

Gas or Liquid Control System and Method of Operating

Application: 14/602,575 →

PCT: PCTUS2015012418 ↗

Linkage Assembly for Drilling or Mobile Well Servicing Rig Braking System

Application: 12/972,017 →

Pump Iron Restraint System

Application: 12/424,289 →